AMERICAN AADVANTAGE MILEAGE FUNDS
N-30D, 1998-06-29
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<PAGE>   1
 
                    [AMERICAN AADVANTAGE MILEAGE FUNDS LOGO]
 
                             - Platinum Class(sm) -
                                P.O. Box 619003
                        Dallas/Fort Worth Airport, Texas
                                   75261-9003
                                 (800) 967-9009
 
                              - Mileage Class(R) -
                                P.O. Box 419643
                        Kansas City, Missouri 64141-6643
                                 (800) 388-3344
 
This report is prepared for shareholders of the American
AAdvantage Mileage Funds and may be distributed to others
only if preceded or accompanied by a current prospectus.
 
                               SEMI-ANNUAL REPORT
                                 APRIL 30, 1998
 
                    [AMERICAN AADVANTAGE MILEAGE FUNDS LOGO]
 
                             BALANCED MILEAGE FUND
                         GROWTH AND INCOME MILEAGE FUND
                         INTERMEDIATE BOND MILEAGE FUND
                       INTERNATIONAL EQUITY MILEAGE FUND
                          SHORT-TERM BOND MILEAGE FUND
                           MONEY MARKET MILEAGE FUND
                      MUNICIPAL MONEY MARKET MILEAGE FUND
                   U.S. GOVERNMENT MONEY MARKET MILEAGE FUND
 
                                   MANAGED BY
                         AMR INVESTMENT SERVICES, INC.
 
<PAGE>   2
 
Dear Fellow Shareholder:
 
     We are pleased to report to you on the performance of the American
AAdvantage Mileage Funds and provide you with a copy of the Semi-Annual Report
for the six months ended April 30, 1998.
 
                           The Domestic Equity Funds
 
  Market Recap:
 
     The equity markets soared during the six months ending April 30, 1998
fueled by low inflation, low interest rates, low unemployment, a federal budget
surplus, strong corporate profits and strong mutual fund inflows. The only
damper seems to have been the crisis in Asia, which rocked the U.S. equity
markets in October 1997 and has periodically affected the markets since that
time. After regaining lost ground due to the Asian situation, the Dow Jones
Industrial Average and the S&P 500 Index climbed to new highs, with the Dow
Jones Industrial Average breaking the 9000 mark in early April and posting a
gain of 22.81% for the six months. The S&P 500 Index lagged only slightly,
returning 22.46% for the six month period. Large cap stocks continue to
outperform the market with the momentum of well known growth stocks. Although
the U.S. markets have shown a strong resistance to the "Asian Flu," recent U.S.
stock market price volatility indicates that worried investors are closely
watching as developments unfold. Some fallout is expected as the year
progresses.
 
  Performance Recap:
  Balanced Fund
 
     The Balanced Fund's total return for the six months ending April 30, 1998
was 11.75%, slightly lagging the Lipper Balanced Index total return of 12.27%.
 
     The Fund modestly increased its holdings in stocks from 56.4% at October
31, 1997 to 59.4% at April 30, 1998, as the stock market's momentum continued to
surge higher. Also, as interest rates fell during the period, bond yields became
less attractive. The bond segment's 3.92% (7.90% annualized) return surpassed
the Lehman Corp/Govt Index return of 3.65% (7.36% annualized).
 
     The momentum of the market favored growth stocks during the period. As a
result, the Fund's value investment style (purchasing stocks with lower than
market price-to-earnings ratios and higher than market growth rates) resulted in
stock selection much different than that of the S&P 500 Index. The Fund's stock
segment returned 18.42% for the six month period versus the S&P 500 Index return
of 22.46%. The Fund modestly underweighted communication services and
substantially underweighted technology, which were the top two performing
sectors in the S&P 500 Index. Stock selection in the consumer staples sector and
an overweighting in energy stocks also hurt performance as tobacco stocks and
oil prices continued to decline. On the other hand, the Fund overweighted
consumer cyclicals and financials which were above average performers in the S&P
500 Index. Banks and financial service companies continue to provide positive
earnings growth given cost savings resulting from industry consolidation.
 
  Growth and Income Mileage Fund
 
     The Growth and Income Mileage Fund's performance for the six months ending
April 30, 1998 was 16.83%, ending slightly below the Lipper Growth and Income
Index total return average of 17.07%.
 
     Since the Fund utilizes the same investment managers and the same approach
to stock selection as the Balanced Fund, it also benefited from overweighted
positions in consumer cyclicals and financial
<PAGE>   3
 
stocks but suffered on a relative basis from the poor stock selection in
consumer staples sector and overweighting energy stocks.
 
  International Equity Fund
  Market Recap:
 
     Despite the strong foreign market returns over the past six months, there
was a marked disparity among different countries and regions. European markets
were swept up in the euphoria of the European Monetary Union (EMU) and lower
interest rates which have driven investors into the equity markets. However the
Japanese market, despite strength early in 1998, remained disappointing as the
content of the latest stimulus package, combined with slumping economic growth
and an uncertain outcome to the region's crisis, negatively impacted investor
sentiment. Japan's return of approximately negative 10% for the six months ended
April 30, ranked it second to last, just ahead of Malaysia, among the 21 markets
that comprise the EAFE Index (the Morgan Stanley Capital International Europe,
Australia and Far East Index).
 
  Performance Recap:
 
     The International Equity Fund posted strong absolute results for the six
months ended April 30, 1998. The Fund's total return for the six month period
was 14.39% compared to a 16.58% return for the Lipper International Index.
 
     The attractiveness of the market in the United Kingdom has led the Fund to
overweight the country as well as make the country the largest weighting in the
Fund. The Fund continues to underweight Germany, while overweighting the more
attractive smaller European markets. The Fund's 13% holdings in Japan represent
a large underweighting for the reasons previously noted.
 
                                 The Bond Funds
 
  Market Recap:
 
     For the six month period ended April 30, 1998, the bond market was
mesmerized by the robust U.S. economic expansion, tight labor markets, the lack
of inflationary pressure and the Asian economic meltdown.
 
     During this timeframe, the U.S. GDP expanded approximately 4.25%, created
1.7 million new nonfarm jobs and the unemployment rate dropped to 4.3%, a 28
year low. However, what made this period so remarkable was the economy's ability
to accomplish this prosperity without creating any serious inflation. Amazingly,
inflation at the wholesale level (PPI) registered declines in five of the six
months. This unprecedented economic performance caused the Chairman of the
Federal Reserve, Alan Greenspan, to comment that this is the best economic
period he has seen in his 50 year professional career.
 
     As a result, the bond market performed well as short and long-term interest
rates declined, the yield curve flattened and corporate spreads remained tight.
Additionally, the crisis in Asia created a flight to quality which buoyed bond
prices further as U.S. dollar-denominated investments became more attractive
globally. The two year Treasury note ended the period yielding just seven basis
points higher than the overnight fed funds rate. The 30 year Treasury bond ended
the period yielding 5.95%, 20 basis points less than it did at the beginning of
the period. More recently, the yield curve has flattened even further as the 30
year Treasury bond reached a record low 5.57% yield. The Asian hangover and its
 
                                        2
<PAGE>   4
 
longer term effect on U.S. economic prosperity continues to be a wild card which
bond traders suspect will slow down the economic momentum in the U.S. and
suppress future inflationary pressures.
 
  Performance Recap:
  Intermediate Bond Fund
 
     The Intermediate Bond Fund's return for the two months since its inception
through April 30, 1998 was 1.05% (6.39% annualized) compared to 0.80% (4.79%
annualized) return for the Lipper Intermediate Investment Grade Debt Average for
the same period.
 
  Short-Term Bond Fund
 
     The Short-Term Bond Fund's annualized total return for the six months
ending April 30, 1998 was 3.13% (6.31% annualized), compared to the 2.63% (5.30%
annualized) return for its benchmark, the Linked Lipper Short-Term Investment
Grade Debt Average.
 
     For the period, the duration of the Fund was largely neutral or long of its
benchmark, which had a slightly positive impact on the Fund's returns.
Additionally, the Fund realized incremental income by holding mortgage-backed
securities. On April 30, 1998, the portfolio's weighted average duration was 2.0
years.
 
                             The Money Market Funds
 
  Market Recap:
 
     During this period, the economy remained very strong with GDP growing 4.25%
for the period. Meanwhile, the unemployment rate dropped to its lowest level
since 1970, and consumer confidence reached its highest level since 1968.
Historically, strong economic momentum, low unemployment and high consumer
confidence levels have led to inflation. However, this time we experienced
wholesale deflation (prices declining), consumer disinflation (the rate of price
increases declining) and uncertainty in Asia, all of which enabled the Federal
Reserve to maintain steady interest rates with the Fed Funds rate at 5.50%.
 
     The Funds displayed strong performance during this period by investing in
variable rate securities, several of which included daily, seven day or ninety
day demand features. Additionally, the Funds curtailed their exposure to issuers
with Asian implications, particularly Japanese banks, and continued to maintain
their "AAA" rating from Fitch IBCA, a Nationally Recognized Statistical Rating
Organization.
 
     We believe the Fed will continue its steady monetary policy in the near
term and the Funds are well positioned to take advantage of these favorable
conditions for the remainder of 1998.
 
  Performance Recap:
  Money Market Fund
 
     For the six month period ending April 30, 1998, the Fund's annualized total
return was 5.16%, outperforming its Lipper Benchmark, the Money Market
Instrument Funds' Average of 4.90%. During the same period, the Platinum Class
annualized total return was 4.74%.
 
                                        3
<PAGE>   5
 
  Municipal Money Market Fund
 
     For the six month period ending April 30, 1998, the Fund achieved an
annualized total return of 3.23%, and outperformed its benchmark, the Lipper
Tax-Exempt Money Market Funds' Average, of 3.02%. Since its inception, the Fund
has invested exclusively in high credit worthy municipal issuers that have been
further credit enhanced by either a bank letter of credit of bond insurance.
 
  U.S. Government Money Market Fund
 
     For the six month period ending April 30, 1998, the Fund had an annualized
total return for the period of 5.16%, and outperformed its Lipper benchmark, the
Lipper U.S. Government Money Market Funds Average of 4.96%.
 
     As always, we appreciate your confidence and support and we will continue
to strive to provide you with above average returns.
 
                                            Sincerely,
 
                                            /s/ WILLIAM F. QUINN
 
                                            William F. Quinn
                                            President
                                            American AAdvantage Mileage Funds
 
                                        4
<PAGE>   6
 
                      (This page intentionally left blank)
 
                                        5
<PAGE>   7
 
AMERICAN AADVANTAGE MILEAGE FUNDS
STATEMENTS OF ASSETS AND LIABILITIES
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                             Growth and    Intermediate    International    Short-Term
                                                 Balanced      Income          Bond           Equity           Bond
                                                 --------    ----------    ------------    -------------    ----------
                                                          (in thousands, except share and per share amounts)
<S>                                              <C>         <C>           <C>             <C>              <C>
ASSETS:
    Investment in Portfolio, at value..........  $  4,035     $ 11,368        $    1         $  5,671        $  1,255
    Receivable for fund shares sold............         -            3             -                -               -
    Receivable for expense reimbursement (Note
      2).......................................        11            -             6                -               7
    Deferred organization costs, net...........         5            5             -                5               5
                                                 --------     --------        ------         --------        --------
        TOTAL ASSETS...........................     4,051       11,376             7            5,676           1,267
                                                 --------     --------        ------         --------        --------
 
LIABILITIES:
    Payable for fund shares redeemed...........         -           60             -                -               -
    Accrued organization costs.................         9            8             -                8               8
    Management fees payable (Note 2)...........         3            2             -                1               -
    Other liabilities..........................        18           27             6               15              11
                                                 --------     --------        ------         --------        --------
        TOTAL LIABILITIES......................        30           97             6               24              20
                                                 --------     --------        ------         --------        --------
NET ASSETS.....................................  $  4,021     $ 11,279        $    1         $  5,652        $  1,247
                                                 ========     ========        ======         ========        ========
 
ANALYSIS OF NET ASSETS:
    Paid-in-capital............................     3,274        7,501             1            4,287           1,287
    Accumulated undistributed investment
      income...................................        33           45             -               10               -
    Accumulated net realized gain (loss).......       470          974             -              158             (25)
    Unrealized appreciation (depreciation) of
      investments..............................       244        2,759             -            1,197             (15)
                                                 --------     --------        ------         --------        --------
NET ASSETS.....................................  $  4,021     $ 11,279        $    1         $  5,652        $  1,247
                                                 ========     ========        ======         ========        ========
Shares outstanding (no par value)..............   216,410      436,907           101          291,125         130,047
                                                 ========     ========        ======         ========        ========
Net asset value, offering and redemption price
  per share....................................  $  18.58     $  25.82        $10.02         $  19.41        $   9.59
                                                 ========     ========        ======         ========        ========
</TABLE>
 
                             See accompanying notes
 
                                        6
<PAGE>   8
 
AMERICAN AADVANTAGE MILEAGE FUNDS
STATEMENTS OF ASSETS AND LIABILITIES - CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                               Money       Municipal      U.S. Government
                                                               Market     Money Market     Money Market
                                                              --------    ------------    ---------------
                                                                      (in thousands, except share
                                                                        and per share amounts)
<S>                                                           <C>         <C>             <C>
ASSETS:
    Investment in Portfolio, at value.......................  $175,433    $    28,802       $    33,139
    Receivable for expense reimbursement (Note 2)...........        74              -                 5
    Deferred organization costs, net........................         5              5                 5
                                                              --------    -----------       -----------
        TOTAL ASSETS........................................   175,512         28,807            33,149
                                                              --------    -----------       -----------
 
LIABILITIES:
    Accrued organization costs..............................         8              8                 8
    Dividends payable.......................................         2              5                 2
    Management and administrative services fees payable
      (Note 2)..............................................        48              1                 1
    Other liabilities.......................................       322             57                27
                                                              --------    -----------       -----------
        TOTAL LIABILITIES...................................       380             71                38
                                                              --------    -----------       -----------
NET ASSETS..................................................  $175,132    $    28,736       $    33,111
                                                              ========    ===========       ===========
 
ANALYSIS OF NET ASSETS:
    Paid-in-capital.........................................   175,132         28,736            33,111
                                                              --------    -----------       -----------
NET ASSETS..................................................  $175,132    $    28,736       $    33,111
                                                              ========    ===========       ===========
 
Shares outstanding (no par value)...........................       N/A     28,735,718        33,111,224
                                                                          ===========       ===========
 
Net asset value, offering and redemption price per share....       N/A    $      1.00       $      1.00
                                                                          ===========       ===========
 
MILEAGE CLASS:
    Net asset value, offering and redemption price per share
      (110,462,021 shares outstanding)......................  $   1.00            N/A               N/A
                                                              ========
 
PLATINUM CLASS:
    Net asset value, offering and redemption price per share
      (64,670,156 shares outstanding).......................  $   1.00            N/A               N/A
                                                              ========
</TABLE>
 
                             See accompanying notes
 
                                        7
<PAGE>   9
 
AMERICAN AADVANTAGE MILEAGE FUNDS
STATEMENTS OF OPERATIONS
Six Months Ended April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                Growth and   Intermediate   International   Short-Term
                                                     Balanced     Income         Bond          Equity          Bond
                                                     --------   ----------   ------------   -------------   ----------
                                                                              (in thousands)
<S>                                                  <C>        <C>          <C>            <C>             <C>
INVESTMENT INCOME ALLOCATED FROM PORTFOLIO:
    Interest income................................  $     50   $        8   $          -   $           9   $       44
    Dividend income (net of foreign taxes of $5 in
      International Equity Fund)...................        25          127              -              56            -
    Income derived from securities lending, net....         -            1              -               1            -
    Portfolio expenses.............................        (6)         (19)             -             (15)          (2)
                                                     --------   ----------   ------------   -------------   ----------
        NET INVESTMENT INCOME ALLOCATED FROM
          PORTFOLIO................................        69          117              -              51           42
                                                     --------   ----------   ------------   -------------   ----------
FUND EXPENSES:
    Management fees (Note 2).......................         5           14              -               6            2
    Transfer agent fees............................         2            6              -               3            1
    Professional fees..............................         3            4              1               1            1
    Registration fees and expenses.................         9            9              5               9            9
    Distribution fees..............................         5           14              -               6            2
    Other expenses.................................         2            2              -               2            -
                                                     --------   ----------   ------------   -------------   ----------
        TOTAL FUND EXPENSES........................        26           49              6              27           15
                                                     --------   ----------   ------------   -------------   ----------
        Less reimbursement of expenses (Note 2)....        14           11              6               3           12
                                                     --------   ----------   ------------   -------------   ----------
        NET FUND EXPENSES..........................        12           38              -              24            3
                                                     --------   ----------   ------------   -------------   ----------
NET INVESTMENT INCOME..............................        57           79              -              27           39
                                                     --------   ----------   ------------   -------------   ----------
REALIZED AND UNREALIZED GAIN (LOSS) ALLOCATED FROM
  PORTFOLIO:
    Net realized gain (loss) on investments and
      foreign currency transactions................       152          507              -              95           (4)
    Change in net unrealized appreciation or
      depreciation of investments and foreign
      currency translations........................       217        1,336              -             563            2
                                                     --------   ----------   ------------   -------------   ----------
        NET GAIN (LOSS) ON INVESTMENTS.............       369        1,843              -             658           (2)
                                                     --------   ----------   ------------   -------------   ----------
NET INCREASE IN NET ASSETS RESULTING FROM
  OPERATIONS.......................................  $    426   $    1,922   $          -   $         685   $       37
                                                     ========   ==========   ============   =============   ==========
</TABLE>
 
                             See accompanying notes
 
                                        8
<PAGE>   10
AMERICAN AADVANTAGE MILEAGE FUNDS
STATEMENTS OF OPERATIONS -- CONTINUED
Six Months Ended April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                      U.S.
                                                                       Municipal   Government
                                                              Money      Money       Money
                                                              Market    Market       Market
                                                              ------   ---------   ----------
                                                                      (in thousands)
<S>                                                           <C>      <C>         <C>
INVESTMENT INCOME ALLOCATED FROM PORTFOLIO:
    Interest income.........................................  $4,566     $517         $896
    Portfolio expenses......................................   (134)      (28)         (31)
                                                              ------     ----         ----
        NET INVESTMENT INCOME ALLOCATED FROM PORTFOLIO......  4,432       489          865
                                                              ------     ----         ----
FUND EXPENSES:
    Management fees (Note 2)................................     37         5            8
    Administrative service fees - Platinum Class (Note 2)...    159         -            -
    Transfer agent fees.....................................      -        12            8
    Transfer agent fees - Mileage Class.....................     70         -            -
    Professional fees.......................................     17         2            1
    Registration fees and expenses..........................     39        10           14
    Distribution fees.......................................      -        35           39
    Distribution fees - Mileage Class.......................    125         -            -
    Distribution fees - Platinum Class......................     72         -            -
    Other expenses..........................................     30         4            3
                                                              ------     ----         ----
        TOTAL FUND EXPENSES.................................    549        68           73
                                                              ------     ----         ----
        Less reimbursement of expenses (Note 2).............     37        10            7
                                                              ------     ----         ----
        NET FUND EXPENSES...................................    512        58           66
                                                              ------     ----         ----
NET INVESTMENT INCOME.......................................  3,920       431          799
                                                              ------     ----         ----
REALIZED GAIN ALLOCATED FROM PORTFOLIO:
    Net realized gain on investments........................      3         -            -
                                                              ------     ----         ----
        NET GAIN ON INVESTMENTS.............................      3         -            -
                                                              ------     ----         ----
NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS........  $3,923     $431         $799
                                                              ======     ====         ====
</TABLE>
 
                             See accompanying notes
 
                                        9
<PAGE>   11
 
AMERICAN AADVANTAGE MILEAGE FUNDS
STATEMENTS OF CHANGES IN NET ASSETS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                                         Intermediate
                                         Balanced                Growth and Income           Bond         International Equity
                                 -------------------------   -------------------------   ------------   -------------------------
                                     Six                         Six                                        Six
                                   Months                      Months                                     Months
                                    Ended         Year          Ended         Year       March 2, to       Ended         Year
                                  April 30,       Ended       April 30,       Ended       April 30,      April 30,       Ended
                                    1998       October 31,      1998       October 31,       1998          1998       October 31,
                                 (Unaudited)      1997       (Unaudited)      1997       (Unaudited)    (Unaudited)      1997
                                 -----------   -----------   -----------   -----------   ------------   -----------   -----------
                                                                          (in thousands)
<S>                              <C>           <C>           <C>           <C>           <C>            <C>           <C>
INCREASE (DECREASE) IN NET
 ASSETS:
OPERATIONS:
   Net investment income.......    $   57        $  105       $     79       $   150         $  -         $    27       $    70
   Net realized gain (loss) on
     investments and foreign
     currency transactions.....       152           426            507           760            -              95           154
   Change in net unrealized
     appreciation or
     depreciation of
     investments and foreign
     currency translations.....       217             -          1,336         1,083            -             563           440
                                   ------        ------       --------       -------         ----         -------       -------
       NET INCREASE IN NET
        ASSETS RESULTING FROM
        OPERATIONS.............       426           531          1,922         1,993            -             685           664
                                   ------        ------       --------       -------         ----         -------       -------
DISTRIBUTIONS TO SHAREHOLDERS:
   Net investment income.......      (112)          (77)          (156)         (112)           -             (76)          (40)
   Net realized gain on
     investments...............      (227)          (35)          (510)         (154)           -            (118)          (52)
                                   ------        ------       --------       -------         ----         -------       -------
       NET DISTRIBUTIONS TO
        SHAREHOLDERS...........      (339)         (112)          (666)         (266)           -            (194)          (92)
                                   ------        ------       --------       -------         ----         -------       -------
CAPITAL SHARE TRANSACTIONS:
   Proceeds from sales of
     shares....................       419           830          8,286        10,940           26           3,928         2,290
   Reinvestment of dividends
     and distributions.........       316           107            632           252            -             181            84
   Cost of shares redeemed.....      (238)         (414)       (11,408)       (6,640)         (25)         (4,167)       (1,114)
                                   ------        ------       --------       -------         ----         -------       -------
       NET INCREASE (DECREASE)
        IN NET ASSETS FROM
        CAPITAL SHARE
        TRANSACTIONS...........       497           523         (2,490)        4,552            1             (58)        1,260
                                   ------        ------       --------       -------         ----         -------       -------
NET INCREASE (DECREASE) IN NET
 ASSETS........................       584           942         (1,234)        6,279            1             433         1,832
NET ASSETS:
   Beginning of period.........     3,437         2,495         12,513         6,234            -           5,219         3,387
                                   ------        ------       --------       -------         ----         -------       -------
   END OF PERIOD*..............    $4,021        $3,437       $ 11,279       $12,513         $  1         $ 5,652       $ 5,219
                                   ======        ======       ========       =======         ====         =======       =======
   *Includes undistributed net
     investment income of......    $   33        $   88       $     45       $   122         $  -         $    10       $    59
                                   ======        ======       ========       =======         ====         =======       =======
 
<CAPTION>
 
                                      Short-Term Bond
                                 -------------------------
                                     Six
                                   Months
                                    Ended         Year
                                  April 30,       Ended
                                    1998       October 31,
                                 (Unaudited)      1997
                                 -----------   -----------
<S>                              <C>           <C>
INCREASE (DECREASE) IN NET
 ASSETS:
OPERATIONS:
   Net investment income.......    $   39        $   67
   Net realized gain (loss) on
     investments and foreign
     currency transactions.....        (4)            1
   Change in net unrealized
     appreciation or
     depreciation of
     investments and foreign
     currency translations.....         2            (6)
                                   ------        ------
       NET INCREASE IN NET
        ASSETS RESULTING FROM
        OPERATIONS.............        37            62
                                   ------        ------
DISTRIBUTIONS TO SHAREHOLDERS:
   Net investment income.......       (39)          (67)
   Net realized gain on
     investments...............         -             -
                                   ------        ------
       NET DISTRIBUTIONS TO
        SHAREHOLDERS...........       (39)          (67)
                                   ------        ------
CAPITAL SHARE TRANSACTIONS:
   Proceeds from sales of
     shares....................       270           483
   Reinvestment of dividends
     and distributions.........        38            65
   Cost of shares redeemed.....      (285)         (485)
                                   ------        ------
       NET INCREASE (DECREASE)
        IN NET ASSETS FROM
        CAPITAL SHARE
        TRANSACTIONS...........        23            63
                                   ------        ------
NET INCREASE (DECREASE) IN NET
 ASSETS........................        21            58
NET ASSETS:
   Beginning of period.........     1,226         1,168
                                   ------        ------
   END OF PERIOD*..............    $1,247        $1,226
                                   ======        ======
   *Includes undistributed net
     investment income of......    $    -        $    -
                                   ======        ======
</TABLE>
 
                             See accompanying notes
 
                                       10
<PAGE>   12
 
AMERICAN AADVANTAGE MILEAGE FUNDS
STATEMENTS OF CHANGES IN NET ASSETS -- CONTINUED
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                    Municipal                U.S. Government
                                                      Money Market                Money Market                Money Market
                                                -------------------------   -------------------------   -------------------------
                                                Six Months                  Six Months                  Six Months
                                                   Ended                       Ended                       Ended
                                                 April 30,    Year Ended     April 30,    Year Ended     April 30,    Year Ended
                                                   1998       October 31,      1998       October 31,      1998       October 31,
                                                (Unaudited)      1997       (Unaudited)      1997       (Unaudited)      1997
                                                -----------   -----------   -----------   -----------   -----------   -----------
                                                                                 (in thousands)
<S>                                             <C>           <C>           <C>           <C>           <C>           <C>
INCREASE (DECREASE) IN NET ASSETS:
OPERATIONS:
   Net investment income......................  3$,920.....    $  6,465       $   431      $    831       $   799       $   687
   Net realized gain on investments...........           3            2             -             -             -             1
                                                 ---------     --------       -------      --------       -------       -------
       NET INCREASE IN NET ASSETS RESULTING
        FROM OPERATIONS.......................       3,923        6,467           431           831           799           688
                                                 ---------     --------       -------      --------       -------       -------
DISTRIBUTIONS TO SHAREHOLDERS:
   Net investment income......................           -            -          (431)         (831)         (799)         (687)
   Net investment income - Mileage Class......      (2,560)      (5,222)            -             -             -             -
   Net investment income - Platinum Class.....      (1,360)      (1,243)            -             -             -             -
   Net realized gain on investments...........           -            -             -             -             -            (1)
   Net realized gain on investments - Mileage
     Class....................................          (2)          (2)            -             -             -             -
   Net realized gain on investments - Platinum
     Class....................................          (1)           -             -             -             -             -
                                                 ---------     --------       -------      --------       -------       -------
       NET DISTRIBUTIONS TO SHAREHOLDERS......      (3,923)      (6,467)         (431)         (831)         (799)         (688)
                                                 ---------     --------       -------      --------       -------       -------
CAPITAL SHARE TRANSACTIONS:
   Proceeds from sales of shares..............     185,569      151,656        25,764        20,081        12,617        28,992
   Reinvestment of dividends and
     distributions............................       3,269        6,128           341           819           560           575
   Cost of shares redeemed....................    (167,837)    (125,791)      (23,933)      (23,062)       (8,857)      (11,414)
                                                 ---------     --------       -------      --------       -------       -------
       NET INCREASE (DECREASE) IN NET ASSETS
        FROM CAPITAL SHARE TRANSACTIONS.......      21,001       31,993         2,172        (2,162)        4,320        18,153
                                                 ---------     --------       -------      --------       -------       -------
NET INCREASE (DECREASE) IN NET ASSETS.........      21,001       31,993         2,172        (2,162)        4,320        18,153
NET ASSETS:
   Beginning of period........................     154,131      122,138        26,564        28,726        28,791        10,638
                                                 ---------     --------       -------      --------       -------       -------
   END OF PERIOD..............................   $ 175,132     $154,131       $28,736      $ 26,564       $33,111       $28,791
                                                 =========     ========       =======      ========       =======       =======
</TABLE>
 
                             See accompanying notes
 
                                       11
<PAGE>   13
 
AMERICAN AADVANTAGE MILEAGE FUNDS
NOTES TO FINANCIAL STATEMENTS
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
1.  ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES
 
     American AAdvantage Mileage Funds (the "Trust") is organized as a
Massachusetts business trust under a Declaration of Trust dated February 14,
1995 and is registered under the Investment Company Act of 1940 (the "Act"), as
amended, as a no-load, open-end management investment company. On July 19, 1995,
the Trust's Board of Trustees (the "Board") created seven separate series as
follows: American AAdvantage Balanced Mileage Fund, American AAdvantage Growth
and Income Mileage Fund, American AAdvantage International Equity Mileage Fund,
American AAdvantage Short-Term Bond Mileage Fund, American AAdvantage Money
Market Mileage Fund, American AAdvantage Municipal Money Market Mileage Fund and
American AAdvantage U.S. Government Money Market Mileage Fund (each a "Fund" and
collectively the "Funds"). Prior to March 1, 1998, the American AAdvantage
Short-Term Bond Mileage Fund was known as the American AAdvantage Limited-Term
Income Mileage Fund. The Funds (other than the Intermediate Bond Mileage Fund)
commenced active operations on November 1, 1995. The Money Market Mileage Fund
commenced sales of a second class of shares designated as "Platinum Class" on
January 29, 1996. At the same time, the existing shares of the Money Market
Mileage Fund were redesignated as "Mileage Class" shares. The American
AAdvantage Intermediate Bond Mileage Fund commenced active operations on March
2, 1998.
 
     Each Fund invests all of its investable assets in the corresponding
portfolio of the AMR Investment Services Trust, an open-end diversified
management investment company, as follows:
 
<TABLE>
    <S>                                       <C>             <C>
    AMERICAN AADVANTAGE:          & INVESTS ASSETS IN &       AMR INVESTMENT SERVICES TRUST:
    Balanced Mileage Fund                                     Balanced Portfolio
    Growth and Income Mileage Fund                            Growth and Income Portfolio
    Intermediate Bond Mileage Fund                            Intermediate Bond Portfolio
    International Equity Mileage Fund                         International Equity Portfolio
    Short-Term Bond Mileage Fund                              Short-Term Bond Portfolio
    Money Market Mileage Fund                                 Money Market Portfolio
    Municipal Money Market Mileage Fund                       Municipal Money Market Portfolio
    U.S. Government Money Market Mileage Fund                 U.S. Government Money Market Portfolio
</TABLE>
 
     Each AMR Investment Services Portfolio has the same investment objectives
as its corresponding Fund. The value of such investment reflects each Fund's
proportionate interest in the net assets of the corresponding portfolio (.37%,
 .55%, .0%, .54%, 1.26%, 8.86%, 24.37% and 18.94% at April 30, 1998 of the AMR
Investment Services Balanced, Growth and Income, Intermediate Bond,
International Equity, Short-Term Bond, Money Market, Municipal Money Market and
U.S. Government Money Market Portfolios, respectively) (each a "Portfolio" and
collectively the "Portfolios"). The financial statements of the Portfolios are
included elsewhere in this report and should be read in conjunction with the
Funds' financial statements.
 
     AMR Investment Services, Inc. (the "Manager") is a wholly-owned subsidiary
of AMR Corporation, the parent company of American Airlines, Inc. ("American"),
and was organized in 1986 to provide business management, advisory,
administrative and asset management consulting services.
 
                                       12
<PAGE>   14
AMERICAN AADVANTAGE MILEAGE FUNDS
NOTES TO FINANCIAL STATEMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
     The following is a summary of the significant accounting policies followed
by the Funds.
 
  Valuation of Investments
 
     Valuation of securities by the Portfolios is discussed in Note 1 of the
Portfolios' Notes to Financial Statements which are included elsewhere in this
report.
 
  Investment Income and Dividends to Shareholders
 
     Each Fund records its share of net investment income and realized and
unrealized gain (loss) in the Portfolio each day. All net investment income and
realized and unrealized gain (loss) of each Portfolio are allocated pro rata
among the corresponding Fund and other investors in each Portfolio at the time
of such determination. Dividends from net investment income of the Balanced,
Growth and Income and International Equity Mileage Funds normally will be
declared and paid annually. The Intermediate Bond and the Short-Term Bond
Mileage Funds generally declare dividends from net investment income daily,
payable monthly. Distributions, if any, of net realized capital gains normally
will be paid annually after the close of the fiscal year in which realized.
 
     The Money Market, Municipal Money Market and U.S. Government Money Market
Mileage Funds (the "Money Market Funds") generally declare dividends daily from
net investment income and net short-term capital gain, if any, payable monthly.
 
     Dividends are determined in accordance with income tax principles which may
treat certain transactions differently than generally accepted accounting
principles.
 
  Federal Income and Excise Taxes
 
     It is the policy of each of the Funds to comply with the requirements of
the Internal Revenue Code applicable to regulated investment companies and to
distribute substantially all net investment income as well as any net realized
capital gains on the sale of investments. Therefore, no federal income or excise
tax provision is required. At April 30, 1998, the Short-Term Bond Mileage Fund
had a capital loss carryforward for federal income tax purposes of approximately
$38,000 expiring in years 2004 - 2005.
 
     All dividends paid by the Municipal Money Market Mileage Fund were
"exempt - interest dividends", therefore 100% free of any regular federal income
tax. Approximately 46% of interest earned was derived from investments in
certain private activity bonds for purposes of the federal alternative minimum
tax calculation.
 
  Deferred Organization Expenses
 
     Expenses incurred by a Fund in connection with its organization are being
amortized on a straight-line basis over a five-year period.
 
  Expenses
 
     Expenses directly attributable to a Fund are charged to that Fund's
operations. Expenses directly attributable to a Class of shares are charged to
that Class. Expenses incurred by the Trust with respect to any two or more of
the Funds are allocated in proportion to the net assets of each Fund, except
where
                                       13
<PAGE>   15
AMERICAN AADVANTAGE MILEAGE FUNDS
NOTES TO FINANCIAL STATEMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
allocations of direct expenses to each Fund can otherwise be made fairly. Each
share of each Fund, regardless of class, bears equally those expenses that are
allocated to the Fund as a whole.
 
  Valuation of Shares
 
     The price per share is calculated separately for each Fund on each day on
which shares are offered for sale and orders accepted or upon receipt of a
redemption request. Net asset value per share is computed by dividing the value
of a Fund's total assets (which includes the value of the Fund's investment in
its corresponding Portfolio), less liabilities, by the number of Fund shares
outstanding. With respect to a class of the Money Market Mileage Fund, price per
share is computed by dividing the value of the Class' pro rata allocation of the
Fund's investments and other assets, less liabilities, by the number of Class
shares outstanding.
 
2.  TRANSACTIONS WITH AFFILIATES
 
  Management Agreement
 
     The Manager and the Trust entered into a Management Agreement which
obligates the Manager to provide or oversee administrative and management
services to the Funds. As compensation for performing the duties required under
the Management Agreement, the Manager receives an annualized fee of .25% of the
average daily net assets of the Balanced, Growth and Income, Intermediate Bond,
International Equity and Short-Term Bond Mileage Funds and .05% of the net
assets of each of the Money Market Funds.
 
  Administrative Services Plan
 
     The Trust has adopted an Administrative Services Plan with respect to the
Platinum Class of the Money Market Mileage Fund. As compensation for providing
administrative services, the Manager receives an annual fee of .55% of the
average daily net assets of the Money Market Mileage Fund - Platinum Class.
 
  Distribution Plan
 
     The Trust has adopted a Distribution Plan (the "Plan") pursuant to Rule
12b-1 under the Act. A separate plan has been adopted by the Mileage Class and
Platinum Class of the Money Market Mileage Fund. Under the Plan, as compensation
for distribution assistance, the Manager receives an annual fee of .25% of the
average daily net assets of each Class or Fund. The fee will be payable without
regard to whether the amount of the fee is more or less than the actual expenses
incurred in a particular month by the Manager for distribution assistance.
During the six months ended April 30, 1998, the Manager waived distribution fees
totaling $4,714, $11,337, $3, $3,481, $1,511, $9,798 and $7,027 for the
Balanced, Growth and Income, Intermediate Bond, International Equity, Short-Term
Bond, Municipal Money Market and U.S. Government Money Market Mileage Funds,
respectively. During the same period, the Manager waived $22,315 and $14,901 for
the Money Market Mileage Fund - Mileage Class and the Money Market Mileage
Fund - Platinum Class, respectively.
 
                                       14
<PAGE>   16
AMERICAN AADVANTAGE MILEAGE FUNDS
NOTES TO FINANCIAL STATEMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
  Other
 
     Certain officers or trustees of the Trust are also officers of the Manager
or American. The Trust makes no direct payments to its officers. Unaffiliated
trustees and their spouses are provided free unlimited air transportation on
American. However, the Trust compensates each Trustee with payments in an amount
equal to the Trustee's income tax on the value of this free airline travel. For
the six months ended April 30, 1998, the cost of air transportation was not
material to any of the Funds.
 
  Reimbursement of Expenses
 
     For the six months ended April 30, 1998, the Manager reimbursed expenses
totaling $14,476, $11,337, $5,902, $3,481 and $12,251 for the Balanced, Growth
and Income, Intermediate Bond, International Equity and Short-Term Bond Mileage
Funds, respectively.
 
3. CAPITAL SHARE TRANSACTIONS
 
     The tables below summarize the activity in capital shares of the Funds (in
thousands). Each share of the Money Market Mileage Funds is valued at $1.00:
 
Six Months Ended April 30, 1998
 
<TABLE>
<CAPTION>
                                                                                   Growth and        Intermediate
                                                                 Balanced            Income          Bond Mileage
                                                               Mileage Fund       Mileage Fund           Fund
                                                              ---------------   -----------------   ---------------
                                                              Shares   Amount   Shares    Amount    Shares   Amount
                                                              ------   ------   ------   --------   ------   ------
<S>                                                           <C>      <C>      <C>      <C>        <C>      <C>
Shares sold.................................................    23     $ 419      353    $  8,286      3      $ 26
Reinvestment of dividends...................................    19       316       28         632     --        --
Shares redeemed.............................................   (13)     (238)    (472)    (11,408)    (2)      (25)
                                                               ---     -----    -----    --------    ---      ----
Net increase (decrease) in capital shares outstanding.......    29     $ 497      (91)   $ (2,490)     1      $  1
                                                               ===     =====    =====    ========    ===      ====
</TABLE>
 
<TABLE>
<CAPTION>
                                                               International       Short-Term
                                                                   Equity             Bond
                                                                Mileage Fund      Mileage Fund
                                                              ----------------   ---------------
                                                              Shares   Amount    Shares   Amount
                                                              ------   -------   ------   ------
<S>                                                           <C>      <C>       <C>      <C>
Shares sold.................................................    203    $ 3,928     28     $ 270
Reinvestment of dividends...................................     11        181      4        38
Shares redeemed.............................................   (218)    (4,167)   (30)     (285)
                                                               ----    -------    ---     -----
Net increase (decrease) in capital shares outstanding.......     (4)   $   (58)     2     $  23
                                                               ====    =======    ===     =====
</TABLE>
 
<TABLE>
<CAPTION>
                                                                 Money Market
                                                                 Mileage Fund             Municipal     U.S. Government
                                                        ------------------------------   Money Market    Money Market
                                                        Mileage Class   Platinum Class   Mileage Fund    Mileage Fund
                                                        -------------   --------------   ------------   ---------------
<S>                                                     <C>             <C>              <C>            <C>
Shares sold...........................................      97,063          88,506          25,764          12,617
Reinvestment of dividends.............................       2,099           1,170             341             560
Shares redeemed.......................................     (93,806)        (74,031)        (23,933)         (8,857)
                                                           -------         -------         -------          ------
Net increase in capital shares outstanding............       5,356          15,645           2,172           4,320
                                                           =======         =======         =======          ======
</TABLE>
 
                                       15
<PAGE>   17
AMERICAN AADVANTAGE MILEAGE FUNDS
NOTES TO FINANCIAL STATEMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
Year Ended October 31, 1997
 
<TABLE>
<CAPTION>
                                                                      Growth and       International      Limited-Term
                                                    Balanced            Income             Equity            Income
                                                  Mileage Fund       Mileage Fund       Mileage Fund      Mileage Fund
                                                 ---------------   ----------------   ----------------   ---------------
                                                 Shares   Amount   Shares   Amount    Shares   Amount    Shares   Amount
                                                 ------   ------   ------   -------   ------   -------   ------   ------
<S>                                              <C>      <C>      <C>      <C>       <C>      <C>       <C>      <C>
Shares sold....................................     49    $ 830      502    $10,940     135    $ 2,290      50    $ 483
Reinvestment of dividends......................      7      107       13        252       5         84       7       65
Shares redeemed................................    (24)    (414)    (310)    (6,640)    (66)    (1,114)    (50)    (485)
                                                 -----    -----    -----    -------   -----    -------   -----    -----
Net increase in capital shares outstanding.....     32    $ 523      205    $ 4,552      74    $ 1,260       7    $  63
                                                 =====    =====    =====    =======   =====    =======   =====    =====
</TABLE>
 
<TABLE>
<CAPTION>
                                                                 Money Market
                                                                 Mileage Fund             Municipal     U.S. Government
                                                        ------------------------------   Money Market    Money Market
                                                        Mileage Class   Platinum Class   Mileage Fund    Mileage Fund
                                                        -------------   --------------   ------------   ---------------
<S>                                                     <C>             <C>              <C>            <C>
Shares sold...........................................      85,725          65,931          20,081           28,992
Reinvestment of dividends.............................       5,027           1,101             819              575
Shares redeemed.......................................     (92,514)        (33,277)        (23,062)         (11,414)
                                                           -------         -------         -------          -------
Net increase (decrease) in capital shares
  outstanding.........................................      (1,762)         33,755          (2,162)          18,153
                                                           =======         =======         =======          =======
</TABLE>
 
                                       16
<PAGE>   18
 
AMERICAN AADVANTAGE BALANCED MILEAGE FUND
FINANCIAL HIGHLIGHTS
(For a share outstanding throughout the period)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                              Six Months
                                                                 Ended             Year Ended
                                                               April 30,           October 31,
                                                                 1998       -------------------------
                                                              (Unaudited)      1997         1996(A)
                                                              -----------   -----------   -----------
<S>                                                           <C>           <C>           <C>
Net asset value, beginning of period(B).....................    $18.32        $16.01        $13.97
                                                                ------        ------        ------
Income from investment operations:
    Net investment income(C)................................      0.26          0.58          0.49
    Net gains on securities (both realized and
      unrealized)(C)........................................      1.74          2.44          1.65
                                                                ------        ------        ------
Total from investment operations............................      2.00          3.02          2.14
                                                                ------        ------        ------
Less distributions:
    Dividends from net investment income....................     (0.58)        (0.49)        (0.10)
    Distributions from net realized gains on securities.....     (1.16)        (0.22)            -
                                                                ------        ------        ------
Total distributions.........................................     (1.74)        (0.71)        (0.10)
                                                                ------        ------        ------
Net asset value, end of period..............................    $18.58        $18.32        $16.01
                                                                ======        ======        ======
Total return(D).............................................    11.75%        19.52%        15.97%
                                                                ======        ======        ======
Ratios and supplemental data:
    Net assets, end of period (in thousands)................    $4,021        $3,437        $2,495
    Ratios to average net assets (annualized)(C D):
         Expenses...........................................     0.96%         0.99%         1.01%
         Net investment income..............................     3.07%         3.45%         3.58%
</TABLE>
 
- ---------------
 
(A)  Capital Guardian Trust Company was replaced by Brandywine Asset Management
     as an investment adviser to the Balanced Fund on April 1, 1996.
 
(B)  The net asset value per share for the Balanced Mileage Fund has been
     adjusted for a stock split which occurred on November 1, 1995 in the ratio
     of 1.43169.
 
(C)  The per share amounts and ratios reflect income and expenses assuming
     inclusion of the Fund's proportionate share of the income and expenses of
     the respective AMR Investment Services Portfolio.
 
(D)  Operating results in the year and period indicated below excluded expenses
     reimbursed by the Manager. Results prior to expense reimbursements were as
     follows:
 
<TABLE>
<CAPTION>
                                                              Six Months
                                                                 Ended             Year Ended
                                                               April 30,           October 31,
                                                                 1998       -------------------------
                                                              (Unaudited)      1997          1996
                                                              -----------   -----------   -----------
<S>                                                           <C>           <C>           <C>
Ratio of expenses to average net assets (annualized)........     1.73%         1.83%         2.93%
Ratio of net investment income to average net assets
  (annualized)..............................................     2.30%         2.61%         1.66%
</TABLE>
 
                                       17
<PAGE>   19
 
AMERICAN AADVANTAGE GROWTH AND INCOME MILEAGE FUND
FINANCIAL HIGHLIGHTS
(For a share outstanding throughout the period)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                           Six Months
                                             Ended              Year Ended
                                           April 30,            October 31,
                                              1998       -------------------------
                                          (Unaudited)       1997         1996(A)
                                          ------------   -----------   -----------
<S>                                       <C>            <C>           <C>
Net asset value, beginning of
  period(B).............................    $ 23.72        $ 19.35       $15.94
                                            -------        -------       ------
Income from investment operations:
    Net investment income(C)............       0.26           0.31         0.34
    Net gains on securities (both
      realized and unrealized)(C).......       3.50           4.87         3.16
                                            -------        -------       ------
Total from investment operations........       3.76           5.18         3.50
                                            -------        -------       ------
Less distributions:
    Dividends from net investment
      income............................      (0.39)         (0.34)       (0.09)
    Distributions from net realized
      gains on securities...............      (1.27)         (0.47)           -
                                            -------        -------       ------
Total distributions.....................      (1.66)         (0.81)       (0.09)
                                            -------        -------       ------
Net asset value, end of period..........    $ 25.82        $ 23.72       $19.35
                                            =======        =======       ======
Total return(D).........................     16.83%         27.60%       22.77%
                                            =======        =======       ======
Ratios and supplemental data:
    Net assets, end of period (in
      thousands)........................    $11,279        $12,513       $6,234
    Ratios to average net assets
      (annualized)(C D):
         Expenses.......................      1.01%            99%        1.00%
         Net investment income..........      1.36%          1.78%        2.13%
</TABLE>
 
- ---------------
 
(A)  Capital Guardian Trust Company was replaced by Brandywine Asset Management
     as an investment adviser to the Growth and Income Fund on April 1, 1996.
 
(B)  The net asset value per share for the Growth and Income Mileage Fund has
     been adjusted for a stock split which occurred on November 1, 1995 in the
     ratio of 1.254705.
 
(C)  The per share amounts and ratios reflect income and expenses assuming
     inclusion of the Fund's proportionate share of the income and expenses of
     the respective AMR Investment Services Portfolio.
 
(D)  Operating results in the year and period indicated below excluded expenses
     reimbursed by the Manager. Results prior to expense reimbursements were as
     follows:
 
<TABLE>
<CAPTION>
                                                              Six Months
                                                                 Ended             Year Ended
                                                               April 30,           October 31,
                                                                 1998       -------------------------
                                                              (Unaudited)      1997          1996
                                                              -----------   -----------   -----------
<S>                                                           <C>           <C>           <C>
Ratio of expenses to average net assets (annualized)........     1.21%         1.31%         1.88%
Ratio of net investment income to average net assets
  (annualized)..............................................     1.16%         1.46%         1.25%
</TABLE>
 
                                       18
<PAGE>   20
 
AMERICAN AADVANTAGE INTERMEDIATE BOND MILEAGE FUND
FINANCIAL HIGHLIGHTS
(For a share outstanding throughout the period)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                March 2,
                                                              to April 30,
                                                                  1998
                                                              (Unaudited)
                                                              ------------
<S>                                                           <C>
Net asset value, beginning of period........................     $10.00
                                                                 ------
Income from investment operations:
    Net investment income(A)................................       0.09
    Net gains on securities (both realized and
     unrealized)(A).........................................       0.02
                                                                 ------
Total from investment operations............................       0.11
                                                                 ------
Less distributions:
    Dividends from net investment income....................      (0.09)
    Distributions from net realized gains on securities.....          -
                                                                 ------
Total distributions.........................................      (0.09)
                                                                 ------
Net asset value, end of period..............................     $10.02
                                                                 ======
Total return(B).............................................      1.05%
                                                                 ======
Ratios and supplemental data:
    Net assets, end of period (in thousands)................     $    1
    Ratios to average net assets (annualized)(A B):
         Expenses...........................................      0.85%
         Net investment income..............................      4.86%
</TABLE>
 
- ---------------
 
(A)  The per share amounts and ratios reflect income and expenses assuming
     inclusion of the Fund's proportionate share of the income and expenses of
     the respective AMR Investment Services Portfolio.
 
(B)  Operating results in the year and period indicated below excluded expenses
     reimbursed by the Manager. Results prior to expense reimbursements were as
     follows:
 
<TABLE>
<CAPTION>
                                                                March 2,
                                                              to April 30,
                                                                  1998
                                                              (Unaudited)
                                                              ------------
<S>                                                           <C>
Ratio of expenses to average net assets (annualized)........     504.10%
Ratio of net investment income to average net assets
  (annualized)..............................................    (498.39%)
</TABLE>
 
                                       19
<PAGE>   21
 
AMERICAN AADVANTAGE INTERNATIONAL EQUITY MILEAGE FUND
FINANCIAL HIGHLIGHTS
(For a share outstanding throughout the period)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                Six Months            Year Ended
                                                                  Ended               October 31,
                                                              April 30, 1998   -------------------------
                                                               (Unaudited)        1997          1996
                                                              --------------   -----------   -----------
<S>                                                           <C>              <C>           <C>
Net asset value, beginning of period(A).....................      $17.67         $15.31        $13.15
                                                                  ------         ------        ------
Income from investment operations:
    Net investment income(B)................................        0.10           0.25          0.20
    Net gains on securities (both realized and
      unrealized)(B)........................................        2.33           2.52          2.03
                                                                  ------         ------        ------
Total from investment operations............................        2.43           2.77          2.23
                                                                  ------         ------        ------
Less distributions:
    Dividends from net investment income....................       (0.27)         (0.18)        (0.07)
    Distributions from net realized gains on securities.....       (0.42)         (0.23)            -
                                                                  ------         ------        ------
Total distributions.........................................       (0.69)         (0.41)        (0.07)
                                                                  ------         ------        ------
Net asset value, end of period..............................      $19.41         $17.67        $15.31
                                                                  ======         ======        ======
Total return(C).............................................      14.39%         18.44%        16.58%
                                                                  ======         ======        ======
Ratios and supplemental data:
    Net assets, end of period (in thousands)................         $5,652      $5,219           $3,387
    Ratios to average net assets (annualized)(B C):
         Expenses...........................................       1.51%          1.47%         1.48%
         Net investment income..............................       1.03%          1.61%         1.63%
</TABLE>
 
- ---------------
 
(A)  The net asset value per share for the International Equity Mileage Fund has
     been adjusted for a stock split which occurred on November 1, 1995 in the
     ratio of 1.520913.
 
(B)  The per share amounts and ratios reflect income and expenses assuming
     inclusion of the Fund's proportionate share of the income and expenses of
     the respective AMR Investment Services Portfolio.
 
(C)  Operating results in the year and period indicated below excluded expenses
     reimbursed by the Manager. Results prior to expense reimbursements were as
     follows:
 
<TABLE>
<CAPTION>
                                                                Six Months            Year Ended
                                                                  Ended               October 31,
                                                              April 30, 1998   -------------------------
                                                               (Unaudited)        1997          1996
                                                              --------------   -----------   -----------
<S>                                                           <C>              <C>           <C>
Ratio of expenses to average net assets (annualized)........      1.64%           1.68%         2.71%
Ratio of net investment income to average net assets
  (annualized)..............................................      0.90%           0.40%         4.20%
</TABLE>
 
                                       20
<PAGE>   22
 
AMERICAN AADVANTAGE SHORT-TERM BOND MILEAGE FUND
FINANCIAL HIGHLIGHTS
(For a share outstanding throughout the period)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                 Six Months         Year Ended
                                                                    Ended           October 31,
                                                              April 30, 1998(A)   ---------------
                                                                 (Unaudited)       1997     1996
                                                              -----------------   ------   ------
<S>                                                           <C>                 <C>      <C>
Net asset value, beginning of period(B).....................        $ 9.60        $ 9.65   $ 9.83
                                                                    ------        ------   ------
Income from investment operations:
    Net investment income(C)................................          0.31          0.61     0.59
    Net (losses) on securities (both realized and
     unrealized)(C).........................................         (0.01)        (0.05)   (0.18)
                                                                    ------        ------   ------
Total from investment operations............................          0.30          0.56     0.41
                                                                    ------        ------   ------
Less distributions:
    Dividends from net investment income....................         (0.31)        (0.61)   (0.59)
    Distributions from net realized gains on securities.....             -             -        -
                                                                    ------        ------   ------
Total distributions.........................................         (0.31)        (0.61)   (0.59)
                                                                    ------        ------   ------
Net asset value, end of period..............................        $ 9.59        $ 9.60   $ 9.65
                                                                    ======        ======   ======
Total return(D).............................................         3.13%         5.90%    4.55%
                                                                    ======        ======   ======
Ratios and supplemental data:
    Net assets, end of period (in thousands)................        $1,247        $1,226   $1,168
    Ratios to average net assets (annualized)(C D):
         Expenses...........................................         0.84%         0.85%    0.86%
         Net investment income..............................         6.43%         6.37%    6.08%
</TABLE>
 
- ---------------
 
(A)  Prior to March 1, 1998, the American AAdvantage Short-Term Bond Mileage
     Fund was known as the American AAdvantage Limited-Term Income Mileage Fund.
 
(B)  The net asset value per share for the Short-Term Bond Mileage Fund has been
     adjusted for a stock split which occurred on November 1, 1995 in the ratio
     of 2.034588.
 
(C)  The per share amounts and ratios reflect income and expenses assuming
     inclusion of the Fund's proportionate share of the income and expenses of
     the respective AMR Investment Services Portfolio.
 
(D)  Operating results in the year and period indicated below excluded expenses
     reimbursed by the Manager. Results prior to expense reimbursements were as
     follows:
 
<TABLE>
<CAPTION>
                                                                Six Months       Year Ended
                                                                  Ended          October 31,
                                                              April 30, 1998   ---------------
                                                               (Unaudited)      1997     1996
                                                              --------------   ------   ------
<S>                                                           <C>              <C>      <C>
Ratio of expenses to average net assets (annualized)........      2.86%         3.01%    3.19%
Ratio of net investment income to average net assets
  (annualized)..............................................      4.41%         4.21%    3.75%
</TABLE>
 
                                       21
<PAGE>   23
 
AMERICAN AADVANTAGE MONEY MARKET MILEAGE FUNDS
FINANCIAL HIGHLIGHTS
(For a share outstanding throughout the period)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                            Money Market(A)
                                              ---------------------------------------------------------------------------
                                                        Mileage Class                         Platinum Class
                                              ---------------------------------   ---------------------------------------
                                              Six Months                          Six Months
                                                 Ended          Year Ended           Ended                    January 29,
                                               April 30,        October 31,        April 30,    Year Ended        to
                                                 1998       -------------------      1998       October 31,   October 31,
                                              (Unaudited)     1997       1996     (Unaudited)      1997          1996
                                              -----------   --------   --------   -----------   -----------   -----------
<S>                                           <C>           <C>        <C>        <C>           <C>           <C>
Net asset value, beginning of period........   $   1.00     $   1.00   $   1.00     $  1.00       $  1.00       $  1.00
                                               --------     --------   --------     -------       -------       -------
Income from investment operations:
    Net investment income(B)................       0.03         0.05       0.05        0.02          0.05          0.03
    Dividends from net investment income....      (0.03)       (0.05)     (0.05)      (0.02)        (0.05)        (0.03)
                                               --------     --------   --------     -------       -------       -------
Net asset value, end of period..............   $   1.00     $   1.00   $   1.00     $  1.00       $  1.00       $  1.00
                                               ========     ========   ========     =======       =======       =======
Total return(C).............................      2.56%        5.14%      5.12%       2.35%         4.71%         4.78%
                                               ========     ========   ========     =======       =======       =======
Ratios and supplemental data:
    Net assets, end of period (in
      thousands)............................   $110,462     $104,947   $106,709     $64,670       $49,184       $15,429
    Ratios to average net assets
      (annualized)(B C):
         Expenses...........................      0.67%        0.67%      0.67%       1.08%         1.09%         1.09%
         Net investment income..............      5.12%        5.02%      5.02%       4.69%         4.64%         4.48%
</TABLE>
 
- ---------------
 
(A)   The Platinum Class of the Money Market Mileage Fund commenced active
      operations on January 29, 1996 and at that time the existing shares of the
      Fund were designated as Mileage Class shares.
 
(B)   The per share amounts and ratios reflect income and expenses assuming
      inclusion of the Fund's proportionate share of the income and expenses of
      the respective AMR Investment Services Portfolio.
 
(C)   Operating results in the year and period indicated below excluded expenses
      reimbursed by the Manager. Results prior to expense reimbursements were as
      follows:
 
<TABLE>
<CAPTION>
                                                                          Money Market
                                            ------------------------------------------------------------------------
                                                           Mileage Class                        Platinum Class
                                            Six Months    ---------------   Six Months    --------------------------
                                               Ended        Year Ended         Ended                    January 29,
                                             April 30,      October 31,      April 30,    Year Ended         to
                                               1998       ---------------      1998       October 31,   October 31,
                                            (Unaudited)    1997     1996    (Unaudited)      1997           1996
                                            -----------   ------   ------   -----------   -----------   ------------
<S>                                         <C>           <C>      <C>      <C>           <C>           <C>
Ratio of expenses to average net assets
  (annualized)............................      0.71%      0.74%    0.78%       1.13%        1.14%          1.24%
Ratio of net investment income to average
  net assets (annualized).................      5.08%      4.95%    4.91%       4.64%        4.59%          4.33%
</TABLE>
 
                                       22
<PAGE>   24
 
AMERICAN AADVANTAGE MUNICIPAL MONEY MARKET MILEAGE FUND
FINANCIAL HIGHLIGHTS
(For a share outstanding throughout the period)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                              Six Months
                                                                 Ended         Year Ended
                                                               April 30,       October 31,
                                                                 1998       -----------------
                                                              (Unaudited)    1997      1996
                                                              -----------   -------   -------
<S>                                                           <C>           <C>       <C>
Net asset value, beginning of period........................    $  1.00     $  1.00   $  1.00
                                                                -------     -------   -------
Income from investment operations:
    Net investment income(A)................................       0.02        0.03      0.03
    Dividends from net investment income....................      (0.02)      (0.03)    (0.03)
                                                                -------     -------   -------
Net asset value, end of period..............................    $  1.00     $  1.00   $  1.00
                                                                =======     =======   =======
Total return(B).............................................      1.60%       3.18%     3.19%
                                                                =======     =======   =======
Ratios and supplemental data:
    Net assets, end of period (in thousands)................    $28,736     $26,564   $28,726
    Ratios to average net assets (annualized)(A B):
         Expenses...........................................      0.65%       0.65%     0.66%
         Net investment income..............................      3.21%       3.13%     3.14%
</TABLE>
 
- ---------------
 
(A)  The per share amounts and ratios reflect income and expenses assuming
     inclusion of the Fund's proportionate share of the income and expenses of
     the respective AMR Investment Services Portfolio.
 
(B)  Operating results in the year and period indicated below excluded expenses
     reimbursed by the Manager. Results prior to expense reimbursements were as
     follows:
 
<TABLE>
<CAPTION>
                                                              Six Months
                                                                 Ended        Year Ended
                                                               April 30,      October 31,
                                                                 1998       ---------------
                                                              (Unaudited)    1997     1996
                                                              -----------   ------   ------
<S>                                                           <C>           <C>      <C>
Ratio of expenses to average net assets (annualized)........     0.73%       0.78%    0.80%
Ratio of net investment income to average net assets
  (annualized)..............................................     3.13%       3.00%    3.00%
</TABLE>
 
                                       23
<PAGE>   25
 
AMERICAN AADVANTAGE U.S. GOVERNMENT MONEY MARKET MILEAGE FUND
FINANCIAL HIGHLIGHTS
(For a share outstanding throughout the period)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                              Six Months
                                                                 Ended         Year Ended
                                                               April 30,    October 31, 1997
                                                                 1998       -----------------
                                                              (Unaudited)   1997(A)    1996
                                                              -----------   -------   -------
<S>                                                           <C>           <C>       <C>
Net asset value, beginning of period........................    $  1.00     $  1.00   $  1.00
                                                                -------     -------   -------
Income from investment operations:
    Net investment income(B)................................       0.03        0.05      0.05
    Dividends from net investment income....................      (0.03)      (0.05)    (0.05)
                                                                -------     -------   -------
Net asset value, end of period..............................    $  1.00     $  1.00   $  1.00
                                                                =======     =======   =======
Total return(C).............................................      2.56%       5.00%     4.98%
                                                                =======     =======   =======
Ratios and supplemental data:
    Net assets, end of period (in thousands)................    $33,111     $28,791   $10,638
    Ratios to average net assets (annualized)(B C):
         Expenses...........................................      0.62%       0.62%     0.62%
         Net investment income..............................      5.12%       4.91%     4.82%
</TABLE>
 
- ---------------
 
(A)  Prior to March 1, 1997, the American AAdvantage U.S. Government Money
     Market Mileage Fund was known as the American AAdvantage U.S. Treasury
     Money Market Mileage Fund and operated under different investment policies.
 
(B)  The per share amounts and ratios reflect income and expenses assuming
     inclusion of each Fund's proportionate share of the income and expenses of
     the respective AMR Investment Services Portfolio.
 
(C)  Operating results in the year and period indicated below excluded expenses
     reimbursed by the Manager. Results prior to expense reimbursements were as
     follows:
 
<TABLE>
<CAPTION>
                                                              Six Months
                                                                 Ended        Year Ended
                                                               April 30,      October 31,
                                                                 1998       ---------------
                                                              (Unaudited)   1997(A)   1996
                                                              -----------   -------   -----
<S>                                                           <C>           <C>       <C>
Ratio of expenses to average net assets (annualized)........     0.67%       0.78%    0.80%
Ratio of net investment income to average net assets
  (annualized)..............................................     5.07%       4.75%    4.33%
</TABLE>
 
                                       24
<PAGE>   26
 
AMR INVESTMENT SERVICES BALANCED PORTFOLIO
SCHEDULE OF INVESTMENTS
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                   Par
                                  Amount       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
U.S. TREASURY OBLIGATIONS - 20.74%
U.S. TREASURY BILLS - 1.95%
Due 7/30/1998..................  $  8,000    $    7,903
Due 8/27/1998..................    12,000        11,799
Due 11/12/1998.................     1,500         1,460
                                             ----------
    TOTAL U.S. TREASURY
      BILLS....................                  21,162
                                             ----------
U.S. TREASURY BONDS - 7.03%
11.625%, Due 11/15/2004........     4,000         5,264
14.00%, Due 11/15/2011.........     2,750         4,242
10.375%, Due 11/15/2012........     5,770         7,640
7.25%, Due 5/15/2016...........     3,500         3,975
7.50%, Due 11/15/2016..........     8,800        10,235
8.125%, Due 8/15/2019..........     9,825        12,260
7.25%, Due 8/15/2022...........    12,000        13,830
6.25%, Due 8/15/2023...........     5,650         5,812
6.75%, Due 8/15/2026...........     1,940         2,130
6.375%, Due 8/15/2027..........     4,500         4,739
6.125%, Due 11/15/2027.........     5,910         6,052
                                             ----------
    TOTAL U.S. TREASURY
      BONDS....................                  76,179
                                             ----------
U.S. TREASURY COUPON STRIPS - 1.01%
Due 5/15/2011..................     4,000         1,841
Due 2/15/2016..................    17,000         5,806
Due 11/15/2018.................    11,500         3,314
                                             ----------
    TOTAL U.S. TREASURY COUPON
      STRIPS...................                  10,961
                                             ----------
U.S. TREASURY NOTES - 10.75%
5.625%, Due 11/30/1998.........     6,000         6,006
5.125%, Due 12/31/1998.........     2,000         1,996
5.875%, Due 2/28/1999..........     5,490         5,504
5.875%, Due 3/31/1999..........     2,750         2,759
6.375%, Due 5/15/1999..........    14,560        14,669
6.00%, Due 6/30/1999...........     1,000         1,005
5.875%, Due 8/31/1999..........     3,500         3,512
5.625%, Due 10/31/1999.........     1,500         1,500
6.875%, Due 3/31/2000..........     1,500         1,534
6.25%, Due 5/31/2000...........     1,000         1,012
6.00%, Due 8/15/2000...........     2,000         2,016
6.125%, Due 9/30/2000..........     8,680         8,778
8.50%, Due 11/15/2000..........     5,500         5,870
5.625%, Due 11/30/2000.........     4,500         4,500
6.375%, Due 3/31/2001..........     2,000         2,039
</TABLE>
 
<TABLE>
<CAPTION>
                                   Par
                                  Amount       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
5.875%, Due 8/15/2001..........  $  6,240    $    6,648
7.50%, Due 11/15/2001..........     1,000         1,058
7.50%, Due 5/15/2002...........     2,500         2,662
6.375%, Due 8/15/2002..........     5,500         5,643
6.25%, Due 8/31/2002...........       370           378
6.25%, Due 2/15/2003...........     1,000         1,023
5.75%, Due 8/15/2003...........     8,550         8,574
5.875%, Due 2/15/2004..........     3,500         3,533
7.25%, Due 8/15/2004...........     1,000         1,080
7.875%, Due 11/15/2004.........     2,000         2,230
6.50%, Due 5/15/2005...........     6,040         6,302
6.50%, Due 8/15/2005...........     2,250         2,349
5.875%, Due 11/15/2005.........     5,000         5,036
7.00%, Due 7/15/2006...........     6,650         7,180
                                             ----------
    TOTAL U.S. TREASURY
      NOTES....................                 116,396
                                             ----------
    TOTAL U.S. GOVERNMENT &
      AGENCY OBLIGATIONS.......                 224,698
                                             ----------
U.S. AGENCY MORTGAGE-BACKED
  OBLIGATIONS - 2.07%
FEDERAL HOME LOAN MORTGAGE
  CORPORATION - 0.36%
6.50%, Due 10/15/2006..........     1,500         1,507
7.00%, Due 12/1/2012...........     1,418         1,445
6.00%, Due 3/1/2013............       648           639
6.50%, Due 5/15/2014...........        91            91
7.00%, Due 4/15/2019...........       207           207
                                             ----------
    TOTAL FEDERAL HOME LOAN
      MORTGAGE CORPORATION.....                   3,889
                                             ----------
FEDERAL NATIONAL MORTGAGE
  ASSOCIATION - 1.30%
Pool #66185, 6.154%,
  Due 7/1/2018.................     1,684         1,671
Series 1989-21G, 10.45%,
  Due 4/25/2019................       150           164
Discount Note, 0.00%,
  Due 10/9/2019................     2,950           777
Pool #218949, 7.75%,
  Due 12/1/2023................       516           518
Pool #266196, 7.748%,
  Due 1/1/2024.................     1,056         1,072
Pool #306505, 8.00%,
  Due 3/1/2025.................       863           895
</TABLE>
 
                             See accompanying notes
                                       25
<PAGE>   27
AMR INVESTMENT SERVICES BALANCED PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                   Par
                                  Amount       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
REMIC, 6.75%,
  Due 10/25/2018...............  $     71    $       71
REMIC, 6.50%,
  Due 11/25/2007...............       211           210
Pool #408204, 6.50%,
  Due 1/1/2028.................     1,983         1,964
Pool #416831, 6.50%,
  Due 3/1/2028.................       674           668
TBA, 7.02%,
  Due 6/23/2025................     2,000         2,186
TBA, 6.09%,
  Due 9/27/2027................     1,500         1,456
TBA, 5.98%,
  Due 11/12/2027...............     2,500         2,398
                                             ----------
    TOTAL FEDERAL NATIONAL
      MORTGAGE ASSOCIATION.....                  14,050
                                             ----------
GOVERNMENT NATIONAL MORTGAGE ASSOCIATION - 0.41%
Pool #102932, 10.50%,
  Due 9/15/1998................         1             1
Series 1994-2 CIO, 7.99125%,
  Due 4/16/2010................        24            24
Pool #180220, 9.00%,
  Due 10/15/2016...............       688           745
Pool #1849, 8.50%,
  Due 8/20/2024................       338           353
Pool #466318, 7.00%
  Due 1/15/2028................     3,294         3,334
                                             ----------
    TOTAL GOVERNMENT NATIONAL
      MORTGAGE ASSOCIATION                        4,457
                                             ----------
    TOTAL U.S. AGENCY
      MORTGAGE-BACKED
      OBLIGATIONS..............                  22,396
                                             ----------
ASSET-BACKED SECURITIES - 1.22%
Amresco Commercial Mortgage
  Funding I, Series 1997-C1 A3,
  7.19%, Due 6/17/2029.........     1,510         1,565
Asset Securitization
  Corporation, Series 1997-D5
  A1C, 6.75%, Due 2/14/2041....     2,000         2,033
Chase Commercial Mortgage
  Securities Corporation,
  Series 1997-1 A2, 7.37%,
  Due 2/19/2007................     1,100         1,153
Chase Manhattan Auto Owner Trust,
  1996-C A3, 5.95%,
  Due 11/15/2000...............       850           850
</TABLE>
 
<TABLE>
<CAPTION>
                                   Par
                                  Amount       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
Chase Manhattan Credit Card
  Master Trust, 1996-4A, 6.73%,
  Due 2/15/2003................  $  1,550    $    1,562
Citibank Credit Card Master
  Trust I, 5.85%, Due
  4/10/2003....................     2,380         2,380
ContiMortgage Home Equity
  Loan Trust, 1994-4 A2, 7.96%,
  Due 9/15/2009................       393           395
NationsBank Auto Owner Trust,
  1996-A A3, 6.375%,
  Due 7/15/2000................     2,532         2,539
Olympic Automobile Receivable,
  7.875%, Due 7/15/2001........       548           555
Western Financial Grantor
  Trust, 1994-3 A2, 6.65%, Due
  12/1/1999....................       140           140
                                             ----------
    TOTAL ASSET-BACKED
      SECURITIES...............                  13,172
                                             ----------
NON-AGENCY MORTGAGE-BACKED OBLIGATIONS - 1.71%
Citicorp Mortgage Securities,
  Incorporated,
  8.50%, Due 4/1/2017..........       400           399
  6.92%, Due 8/25/2027.........     1,893         1,902
Credit Suisse First Boston
  Mortgage, 7.24%,
  Due 6/20/2029................       400           416
CountryWide, Incorporated,
  8.25%, Due 5/25/2010.........       600           621
CountryWide, Incorporated,
  7.50%, Due 7/25/2011.........       735           748
Ditech Home Loan Owner, 6.59%,
  Due 4/15/2013................     2,225         2,238
DLJ Mortgage Acceptance
  Corporation, 1994-Q1 2A1,
  4.56029%, Due 3/25/2024......       189           188
Firstplus Home Loan Owner
  Trust, 6.20%, Due
  3/10/2015....................     2,000         1,992
General Electric Capital
  Mortgage Services,
  Incorporated, 1992-4A A4,
  8.00%, Due 4/25/2022.........       345           346
GE Capital Mortgage Services,
  Incorporated
  7.50%, Due 10/25/2025........     1,693         1,693
Green Tree Financial
  Corporation, 1996-8 A4,
  7.00%,
  Due 10/15/2027...............     1,300         1,329
Mortgage Capital Funding,
  Incorporated
  6.758%, Due 2/20/2004........       654           663
</TABLE>
 
                             See accompanying notes
                                       26
<PAGE>   28
AMR INVESTMENT SERVICES BALANCED PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                   Par
                                  Amount       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
Nomura Asset Securities
  Corporation,
  8.15%, Due 4/4/2027..........  $  1,500    $    1,636
Residential Funding Mortgage
  Securities I,
  6.35%, Due 8/25/2023.........       275           274
Long Beach Acceptance Auto
  Grantor,
  6.19%, Due 1/25/2005.........       757           756
The Money Store Home Equity
  Trust, Series 1996 A-A8,
  7.66%,
  Due 8/15/2026................     1,500         1,569
Securitized Multiple Asset,
  7.72%, Due 4/15/2005.........     1,723         1,730
                                             ----------
    TOTAL NON-AGENCY
      MORTGAGE-BACKED
      OBLIGATIONS..............                  18,500
                                             ----------
CORPORATE BONDS - 12.36%
BANKS - 2.00%
BankAmerica Corporation, 9.75%,
  Due 7/1/2000.................       600           645
Bank of Boston, N.A., MTN,
  6.375%, Due 3/25/2008........     4,200         4.162
Capital One Bank
  8.125%, Due 3/1/2000.........     1,690         1,747
  7.35%, Due 6/20/2000.........       385           394
Chase Manhattan Corporation,
  8.625%, Due 5/1/2002.........       700           758
  6.375%, Due 2/15/2008........     2,000         1,975
Chemical New York Corporation,
  9.75%, Due 6/15/1999.........       900           936
First Chicago NBD, 9.875%, Due
  8/15/2000....................     1,000         1,081
Fleet Financial Corporation,
  7.92%, Due 12/11/2026........     1,180         1,249
NationsBank Corporation,
  7.00%, Due 9/15/2001.........     1,000         1,027
  6.375%, Due 2/15/2008........     1,600         1,591
Skandinaviska Enskilda Banken,
  6.594%, Due 6/29/2049........     3,800         3,942
Wells Fargo Capital,
  7.96%, Due 12/15/2026........     2,000         2,132
                                             ----------
    TOTAL BANKS................                  21,639
                                             ----------
FINANCE - 3.25%
Auburn Hills Trust, 12.00%, Due
  5/1/2020.....................     1,650         2,648
Banponce Trust I, 8.327%, Due
  2/1/2027.....................     1,000         1,066
Caterpillar Financial Services,
  6.32%, Due 9/1/2000..........     2,500         2,515
CNA Financial Corporation,
  6.95%, Due 1/15/2018.........     1,675         1,643
</TABLE>
 
<TABLE>
<CAPTION>
                                   Par
                                  Amount       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
Countrywide Funding
  Corporation, MTN, 6.38%, Due
  10/8/2002....................  $  2,135    $    2,130
Florida Windstorm Underwriting,
  6.85%, Due 8/25/2007.........     2,950         3,010
Ford Motor Credit Company,
  6.125%, Due 4/28/2003........     2,125         2,115
General Electric Capital Corp,
  7.875%, Due 12/1/2006........     1,000         1,109
General Motors Acceptance
  Corporation, 6.375%, Due
  12/1/2001....................     1,700         1,713
Lehman Brothers Holdings,
  Incorporated,
  7.41%, Due 5/25/1999.........       500           507
  7.25%, Due 4/15/2003.........     1,370         1,417
  7.375%, Due 5/15/2004........     1,125         1,177
  6.50%, Due 4/15/2008.........     2,900         2,872
Merrill Lynch Mortgage
  Investors, Incorporated,
  7.12%, Due 6/18/2029.........       660           683
Paine Webber Group,
  Incorporated MTN, 7.74%, Due
  1/30/2012....................     2,200         2,381
Simon Debartolo Group LP,
  6.75%, Due 7/15/2004.........       750           741
Spieker Properties Corporation,
  7.125%, Due 12/1/2006........       260           264
  8.00%, Due 7/19/2005.........       290           309
Texaco, Incorporated MTN,
  6.19%, Due 7/9/2003..........       750           754
Travelers Property Casualty
  Corporation, 6.75%, Due
  4/15/2001....................     2,600         2,647
United Dominion Realty Trust,
  Incorporated, 7.25%, Due
  1/15/2007....................     1,000         1,008
URSA Major Rated Limited, MTN,
  144A, 5.90%, Due 1/6/2003
  (Note B).....................     2,500         2,494
                                             ----------
    TOTAL FINANCE..............                  35,203
                                             ----------
INDUSTRIAL - 5.44%
Albertsons, Incorporated,
  6.375%, Due 6/1/2000.........     1,000         1,009
A.H. Belo Corporation, 7.25%,
  Due 9/15/2027................       930           973
Atlantic Richfield Corporation,
  8.50%, Due 4/1/2012..........     1,270         1,523
  9.875%, Due 3/1/2016.........       700           939
Bemis Company, Incorporated,
  6.70% Due 7/1/2005...........     1,000         1,022
Capital Cities/ABC, 8.875%, Due
  12/15/2000...................     1,000         1,070
</TABLE>
 
                             See accompanying notes
                                       27
<PAGE>   29
AMR INVESTMENT SERVICES BALANCED PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                   Par
                                  Amount       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
Coca-Cola Company, 6.625%, Due
  10/1/2002....................  $  1,000    $    1,020
Coca-Cola Enterprises, 6.70%,
  Due 10/15/2036...............     1,120         1,163
Comcast Cable Communication,
  144A, 8.375%, Due 5/1/2007
  (Note B).....................     4,000         4,445
Dresser Industries, 6.25%, Due
  6/1/2000.....................     2,000         2,013
E.I. DuPont de Nemours & Company,
  6.75%, Due 10/15/2002........     1,000         1,027
Exxon Capital Corporation,
  7.45%, Due 12/15/2001........     1,000         1,049
Ford Motor Company,
  9.00%, Due 9/15/2001.........     1,000         1,085
  7.70%, Due 5/15/1997.........     3,675         4,022
Halliburton Company, 6.30%, Due
  8/5/2002.....................     1,165         1,172
Hershey Foods Company,
  6.95%, Due 3/1/2007..........     1,000         1,053
Hutchinson Technology, 144A,
  6.00%, Due 3/15/2005 (Note
  B)...........................       120           150
Ingersoll Rand Company, 6.34%,
  Due 12/3/2001................     2,100         2,110
International Business
  Machines, Incorporated,
  7.125%, Due 12/1/2096........     3,590         3,733
The May Department Store
  Company, 7.625%,
  Due 8/15/2013................     1,890         2,098
McDonald's Corporation, 6.50%,
  Due 8/1/2007.................     1,000         1,025
Occidental Petroleum
  Corporation, 6.40%, Due
  4/1/2003.....................     1,035         1,031
  6.50%, Due 4/1/2005..........       520           518
Oracle Corporation, 6.91%, Due
  2/15/2007....................     1,250         1,279
Petroleum Geo-Services Corporation,
  7.50%, Due 3/31/2007.........     1,070         1,145
  7.125%, Due 3/30/2028........     1,680         1,677
Philip Morris Companies,
  Incorporated,
  8.25%, Due 10/15/2003........     3,540         3,831
  8.375%, Due 1/15/2017........       437           463
Potash Corporation Sask,
  Incorporated, 7.125%,
  Due 6/15/2007................       630           648
Sara Lee Corporation, 6.00%,
  Due 1/15/2008................     1,200         1,185
</TABLE>
 
<TABLE>
<CAPTION>
                                   Par
                                  Amount       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
Sears Roebuck Acceptance
  Corporation MTN, 6.60%, Due
  10/9/2001....................  $  3,870    $    3,908
  6.71%, Due 9/17/2003.........     2,710         2,748
Stop & Shop Companies, 9.75%,
  Due 2/1/2002.................     2,000         2,231
Sysco Corporation, 7.00%, Due
  5/1/2006.....................     1,000         1,049
USA Waste Services,
  Incorporated, 6.50%, Due
  12/15/2002...................     1,300         1,301
WMX Technologies, Incorporated,
  6.65%, Due 5/15/2005.........     1,200         1,211
Walt Disney, Incorporated,
  6.75%, Due 3/30/2006.........     1,000         1,038
                                             ----------
    TOTAL INDUSTRIAL...........                  58,964
                                             ----------
 
TRANSPORTATION -- 0.34%
Norfolk Southern Corporation,
  7.80%, Due 5/15/2027.........     1,035         1,160
NWA Trust, 11.30%,
  Due 6/21/2014................     1,945         2,514
                                             ----------
 
    TOTAL TRANSPORTATION.......                   3,674
                                             ----------
 
UTILITY - 0.22%
K N Energy, Incorporated,
  6.65%, Due 3/1/2005..........       850           853
Southern California Edison
  Company, 8.25%, Due
  2/1/2000.....................     1,425         1,477
                                             ----------
    TOTAL UTILITY..............                   2,330
                                             ----------
 
FOREIGN BONDS - 1.11%
Enersis SA, 6.90%, Due
  12/1/2006....................     1,500         1,487
Fokus Bank AS, Variable Rate,
  Due 9/29/2004................     1,600         1,638
Foreningsbanken, Variable Rate,
  Due 12/29/2049...............     3,250         3,263
Hydro-Quebec,
  7.91%, Due 11/18/2024........       670           832
Nordbanken, Variable Rate,
  Due 10/29/2049...............     3,000         2,996
Province of Quebec,
  7.00%, Due 1/30/2007.........     1,750         1,826
    TOTAL FOREIGN BONDS........                  12,042
                                             ----------
    TOTAL CORPORATE BONDS......                 133,852
                                             ----------
</TABLE>
 
                             See accompanying notes
                                       28
<PAGE>   30
AMR INVESTMENT SERVICES BALANCED PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
PREFERRED STOCK - 0.13%
Home Ownership Funding 2,
  Series 144A (Note B).........         2    $    1,451
                                             ----------
    TOTAL PREFERRED STOCK......                   1,493
                                             ----------
COMMON STOCK - 59.51%
BASIC MATERIALS - 4.49%
AGRICULTURAL PRODUCTS - 0.14%
New Holland N.V................    65,000         1,593
                                             ----------
    TOTAL AGRICULTURAL
      PRODUCTS.................                   1,593
                                             ----------
ALUMINUM - 0.58%
Alumax, Incorporated...........    48,400         2,390
Aluminum Company of America....    24,000         1,860
Reynolds Metals Company........    30,000         1,980
                                             ----------
    TOTAL ALUMINUM PRODUCTS....                   6,230
                                             ----------
CHEMICALS - 2.29%
Airgas, Incorporated...........   173,450         2,688
ARCO Chemical Company..........    30,000         1,594
Dow Chemical...................    20,000         1,934
E.I. DuPont de Nemours &
  Company......................    23,000         1,675
Eastman Chemical Company.......    39,400         2,709
FMC Corporation (non-income
  producing)...................    52,550         4,076
Great Lakes Chemical
  Corporation..................    26,000         1,307
Millenium Chemicals,
  Incorporated.................   178,571         6,406
PPG Industries, Incorporated...    34,500         2,439
                                             ----------
    TOTAL CHEMICALS............                  24,828
                                             ----------
CONSTRUCTION - 0.12%
DeBeers Construction Mines,
  Limited......................    51,700         1,331
                                             ----------
    TOTAL CONSTRUCTION.........                   1,331
                                             ----------
CONTAINERS/PACKAGING (PAPER) - 0.14%
Union Camp Corporation.........    25,000         1,509
                                             ----------
    TOTAL
      CONTAINERS/PACKAGING.....                   1,509
                                             ----------
METALS MINING - 0.01%
Commonwealth Industries,
  Incorporated.................     3,400            58
                                             ----------
    TOTAL METALS MINING........                      58
                                             ----------
PAPER & FOREST PRODUCTS - 1.20%
Boise Cascade Corporation......    32,700         1,228
Georgia Pacific Corporation....    15,600         1,204
</TABLE>
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
Georgia Pacific Corporation....    23,500    $      602
International Paper Company....    61,000         3,183
Louisiana Pacific
  Corporation..................    59,200         1,295
Mead Corporation...............    44,000         1,523
Westvaco Corporation...........    44,000         1,334
Weyerhaeuser Company...........    45,000         2,593
                                             ----------
    TOTAL PAPER & FOREST
      PRODUCTS.................                  12,962
                                             ----------
STEEL - 0.01%
Citation Corporation
  (non-income producing).......     1,896            40
WHX Corporation (non-income
  producing)...................     2,400            38
                                             ----------
    TOTAL STEEL................                      78
                                             ----------
    TOTAL BASIC MATERIALS......                  48,589
                                             ----------
CAPITAL GOODS - 6.77%
AEROSPACE/DEFENSE - 1.27%
Avteam, Incorporated (non-
  income producing)............    27,300           293
Lockheed Martin Corporation....    86,788         9,666
Northrop Corporation...........    15,000         1,585
Thiokol Corporation............    41,100         2,214
                                             ----------
    TOTAL AEROSPACE/DEFENSE....                  13,758
                                             ----------
ELECTRICAL EQUIPMENT - 1.62%
The Carbide/Graphite Group
  (non-income producing).......     7,700           248
CBS Corporation................    47,100         1,678
Hadco Corporation..............     1,400            53
Honeywell, Incorporated........   124,500        11,594
Hutchinson Technology..........     2,500            77
Philips Electronics N.V........    18,000         1,620
Rockwell International
  Corporation..................    35,000         1,958
Stoneridge, Incorporated (non-
  income producing)............    14,800           309
                                             ----------
    TOTAL ELECTRICAL
      EQUIPMENT................                  17,537
                                             ----------
MACHINERY-DIVERSIFIED - 0.90%
Aviall Incorporated............     4,100            57
Caterpillar Incorporated.......    27,000         1,537
Deere and Company..............   124,200         7,258
Denison International PLC ADR
  (non-income producing).......    14,800           266
Dover Corporation..............    11,500           454
Hussman International,
  Incorporated.................     4,500            78
</TABLE>
 
                             See accompanying notes
                                       29
<PAGE>   31
AMR INVESTMENT SERVICES BALANCED PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
Silicon Valley Group
  Incorporated.................     4,800    $       91
                                             ----------
    TOTAL MACHINERY-
      DIVERSIFIED..............                   9,741
                                             ----------
MANUFACTURING (DIVERSIFIED) - 2.24%
Coltec Industries, Incorporated
  (non-income producing).......   101,800         2,545
Eaton Corporation..............    10,000           924
Harsco Corporation.............    40,000         1,840
Millipore Corporation..........    75,925         2,619
Tenneco, Incorporated..........   153,100         6,593
Textron, Incorporated..........   124,600         9,750
                                             ----------
    TOTAL MANUFACTURING........                  24,271
                                             ----------
OFFICE EQUIPMENT & SUPPLIES - 0.02%
Micros Systems, Incorporated
  (non-income producing).......     8,353           227
                                             ----------
    TOTAL OFFICE EQUIPMENT &
      SUPPLY...................                     227
                                             ----------
WASTE MANAGEMENT - 0.72%
Waste Management,
  Incorporated.................   232,400         7,785
                                             ----------
    TOTAL WASTE MANAGEMENT.....                   7,785
                                             ----------
    TOTAL CAPITAL GOODS........                  73,319
                                             ----------
COMMUNICATION SERVICE - 3.05%
TELEPHONE - 2.73%
Alltel Corporation.............    55,000         2,351
Bell Atlantic Corporation......    12,328         1,153
GTE Corporation................   119,400         6,977
SBC Communications.............   217,768         9,024
US West, Incorporated..........   190,200        10,033
                                             ----------
    TOTAL TELEPHONE............                  29,538
                                             ----------
TELEPHONE LONG DISTANCE - 0.32%
AT&T Corporation...............    58,000         3,484
                                             ----------
    TOTAL TELEPHONE LONG
      DISTANCE.................                   3,484
                                             ----------
    TOTAL COMMUNICATION
      SERVICE..................                  33,022
                                             ----------
CONSUMER STAPLES - 3.61%
BEVERAGES-ALCOHOLIC - 1.14%
Anheuser Busch Companies,
  Incorporated.................   262,700        12,035
Brown Forman Corporation.......     5,575           316
                                             ----------
    TOTAL BEVERAGES-
      ALCOHOLIC................                  12,351
                                             ----------
BROADCASTING (TV RADIO CABLE) - 0.02%
Groupe AB SA...................    38,720           230
                                             ----------
    TOTAL BROADCASTING (TV
      RADIO CABLE).............                     230
                                             ----------
</TABLE>
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
ENTERTAINMENT - 0.01%
Alliance Communications
  Corporation..................     5,900    $      109
                                             ----------
    TOTAL ENTERTAINMENT........                     109
                                             ----------
FOODS - 0.39%
J & J Snack Foods
  Corporation..................     8,100           158
Nabisco Holdings Corporation,
  Class A......................    31,975         1,529
RJR Nabisco Holdings...........    86,850         2,416
Zapata Corporation.............     8,500           108
                                             ----------
    TOTAL FOODS................                   4,211
                                             ----------
HOUSEHOLD PRODUCTS (NON-DURABLE) - 0.32%
First Brands Corporation.......   103,750         2,782
Fort James Corporation.........    13,300           660
                                             ----------
    TOTAL HOUSEHOLD PROD
      (NON-DURABLE)............                   3,442
                                             ----------
HOUSEWARES - 0.22%
Fortune Brands, Incorporated...    50,000         1,844
Tupperware, Incorporated.......    20,000           541
                                             ----------
    TOTAL HOUSEWARES...........                   2,385
                                             ----------
RETAIL STORES-FOOD CHAINS - 0.03%
Dominick's Supermarkets,
  Incorporated (non-income
  producing)...................     7,300           292
                                             ----------
    TOTAL RETAIL STORES-FOOD
      CHAINS...................                     292
                                             ----------
TOBACCO - 1.48%
Gallaher Group PLC, ADR (non-
  income producing)............    79,400         1,633
Hanson PLC, ADR................    34,150         1,012
Imperial Tobacco Group PLC.....    23,300           329
Philip Morris Companies,
  Incorporated.................   351,150        13,102
                                             ----------
    TOTAL TOBACCO..............                  16,076
                                             ----------
    TOTAL CONSUMER STAPLES.....                  39,096
                                             ----------
CONSUMER-CYCLICALS - 8.17%
AUTO PARTS & EQUIPMENT - 1.32%
Dana Corporation...............   143,300         8,473
Goodyear Tire and Rubber
  Company......................    35,800         2,506
ITT Industries, Incorporated...    92,600         3,374
                                             ----------
    TOTAL AUTO PARTS &
      EQUIPMENT................                  14,353
                                             ----------
AUTOMOBILES - 3.01%
Chrysler Corporation...........   157,800         6,342
Ford Motor Company.............   305,000        13,973
</TABLE>
 
                             See accompanying notes
                                       30
<PAGE>   32
AMR INVESTMENT SERVICES BALANCED PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
General Motors Corporation.....   179,500    $   12,094
Meritor Automotive,
  Incorporated.................     8,333           215
                                             ----------
    TOTAL AUTOMOBILES..........                  32,624
                                             ----------
BUILDING MATERIALS GROUP - 0.08%
Armstrong World Industries,
  Incorporated.................     7,700           660
NCI Building Systems,
  Incorporated (non-income
  producing)...................     3,325           173
                                             ----------
    TOTAL BUILDING MATERIALS
      GROUP....................                     833
                                             ----------
FOOTWEAR - 0.31%
Nike, Incorporated.............    21,200         1,012
Nine West Group,
  Incorporated.................    83,975         2,336
                                             ----------
    TOTAL FOOTWEAR.............                   3,348
                                             ----------
GAMING LOTTERY & PARIMUTUEL - 0.04%
American Coin Merchandising,
  Incorporated (non-income
  producing)...................    19,700           414
Anchor Gaming..................       800            67
                                             ----------
    TOTAL GAMING LOTTERY &
      PARIMUTUEL...............                     481
                                             ----------
HOUSEHOLD FURNISHINGS & APPLIANCES - 0.25%
Whirlpool Corporation..........    37,000         2,664
                                             ----------
    TOTAL HOUSEHOLD FURNISHINGS
      & APPLIANCES.............                   2,664
                                             ----------
LEISURE TIME (PRODUCTS) - 0.57%
Hasbro, Incorporated...........    80,925         2,979
Mattel, Incorporated...........    82,850         3,174
                                             ----------
    TOTAL LEISURE TIME
      (PRODUCTS)...............                   6,153
                                             ----------
PUBLISHING - 0.38%
A.H. Belo, Incorporated, Class
  A............................    71,425         3,781
Playboy Enterprises............    16,400           285
                                             ----------
    TOTAL PUBLISHING...........                   4,066
                                             ----------
RETAIL - 1.88%
Friedmans, Incorporated........    21,300           445
Intimate Brands,
  Incorporated.................     1,345            39
J.C. Penney Company,
  Incorporated.................    63,700         4,527
K Mart Corporation.............   294,500         5,135
Sears Roebuck & Company........   157,700         9,354
Toys R Us, Incorporated........    29,500           813
                                             ----------
    TOTAL RETAIL...............                  20,313
                                             ----------
</TABLE>
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
SERVICES (ADVERTISING/MARKETING) - 0.25%
Firstservice Corporation.......    14,300    $      171
Mac-Gray Corporation (non-
  income producing)............     1,000            16
Pittston Company...............    53,200         2,081
Princeton Video Image,
  Incorporated.................     6,600            40
Ralco Holdings, Incorporated...    14,500           288
Wackenhut Corporation..........     3,100            67
                                             ----------
    TOTAL SERVICES.............                   2,663
                                             ----------
TEXTILES (APPAREL) - 0.08%
Russell Corporation............    34,000           918
                                             ----------
    TOTAL TEXTILES (APPAREL)...                     918
                                             ----------
    TOTAL CONSUMER-
      CYCLICALS................                  88,416
                                             ----------
ENERGY - 6.31%
OIL & GAS - 3.00%
Abraxas Petroleum Corporation
  (non-income producing).......    14,291           145
Baker Hughes, Incorporated.....   232,200         9,404
Burlington Resources...........    54,486         2,561
Coho Energy, Incorporated......    12,757            96
Dresser Industries,
  Incorporated.................   202,300        10,697
Oryx Energy Company............    99,125         2,590
Transcoastal Marine Services,
  Incorporated (non-income
  producing)...................     2,700            31
Ultramar Diamond Shamrock
  Corporation..................    58,000         1,874
Union Pacific Resource Group,
  Incorporated.................   108,800         2,598
Union Texas Petroleum Holdings,
  Incorporated.................   123,500         2,493
                                             ----------
    TOTAL OIL & GAS............                  32,489
                                             ----------
OIL (DOMESTIC INTEGRATED) - 2.15%
Atlantic Richfield Company.....    69,000         5,382
Occidental Petroleum
  Corporation..................   233,000         6,859
Phillips Petroleum Company.....   222,100        11,008
                                             ----------
    TOTAL OIL (DOMESTIC
      INTEGRATED)..............                  23,249
                                             ----------
OIL (INTERNATIONAL INTEGRATED) - 1.16%
Amoco Corporation..............    47,200         2,089
British Petroleum PLC..........    44,252         4,182
Elf Aquitaine..................    35,100         2,279
Exxon Corporation..............    30,800         2,246
</TABLE>
 
                             See accompanying notes
                                       31
<PAGE>   33
AMR INVESTMENT SERVICES BALANCED PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
Royal Dutch Petroleum Company..    32,100    $    1,816
                                             ----------
    TOTAL OIL (INTERNATIONAL
      INTEGRATED)..............                  12,612
                                             ----------
    TOTAL ENERGY...............                  68,350
                                             ----------
FINANCIALS - 14.52%
Banks - 6.41%
Banc One Corporation...........    46,640         2,743
BankAmerica Corporation........   121,500        10,328
Bankers Trust Company New
  York.........................    78,550        10,143
Chase Manhattan Corporation....   113,000        15,658
First Chicago NBD..............   163,781        15,211
First Midwest Bank,
  Incorporated.................     2,600           135
First Security Corporation.....    67,500         1,654
Fleet Financial Group,
  Incorporated.................    39,800         3,438
J.P.Morgan & Company,
  Incorporated.................    30,675         4,026
National City Corporation......    13,000           900
PNC Bank Corporation...........    86,200         5,210
                                             ----------
    TOTAL BANKS................                  69,446
                                             ----------
CONSUMER FINANCE - 0.84%
Associates First Capital
  Corporation..................    60,280         4,506
Beneficial Corporation.........    20,000         2,607
Household International,
  Incorporated.................    15,000         1,972
                                             ----------
    TOTAL CONSUMER FINANCE.....                   9,085
                                             ----------
FINANCIAL - 2.92%
Ace, Limited...................    73,200         2,772
American Express Company.......   122,500        12,495
American General Corporation...    28,600         1,905
Executive Risk, Incorporated...     1,000            67
Federal Home Loan Mortgage
  Corporation..................    70,150         3,249
Federal National Mortgage
  Association..................    83,225         4,983
FPIC Insurance Group (non-
  income producing)............     2,947           102
Fund American Enterprises,
  Incorporated.................     7,425         1,037
Morgan Stanley Dean Witter
  Discover & Company...........    41,200         3,250
Mutual Risk Management
  Limited......................     3,400           115
The PMI Group, Incorporated....    20,000         1,625
                                             ----------
    TOTAL FINANCIAL............                  31,600
                                             ----------
</TABLE>
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
INSURANCE (LIFE/HEALTH) - 0.15%
Aetna, Incorporated............    17,000    $    1,374
Esg Re Limited.................     9,100           234
                                             ----------
    TOTAL INSURANCE
      (LIFE/HEALTH)............                   1,608
                                             ----------
INSURANCE (MULTI-LINE) - 0.49%
Lincoln National Corporation...    25,000         2,220
Travelers Corporation..........    51,205         3,133
                                             ----------
    TOTAL INSURANCE
      (MULTI-LINE).............                   5,353
                                             ----------
INSURANCE BROKERS - 0.73%
Aon Corporation................   116,450         7,511
Healthplan Services
  Corporation..................    16,100           392
                                             ----------
    TOTAL INSURANCE BROKERS....                   7,903
                                             ----------
INSURANCE-PROPERTY-CASUALTY - 2.18%
Allstate Corporation...........    51,800         4,986
American Financial Group,
  Incorporated.................    66,100         2,879
Chubb Corporation..............    59,000         4,657
IPC Holdings, Limited..........     6,530           211
Mid Ocean Limited..............    42,000         3,166
Old Republic International
  Corporation..................    65,950         2,984
Safeco Corporation.............    25,000         1,248
Stirling Cooke Brown
  Holdings.....................     5,800           164
TIG Holdings, Incorporated.....   135,800         3,268
                                             ----------
    TOTAL INSURANCE-
      PROPERTY-CASUALTY........                  23,563
                                             ----------
INVESTMENT BANKING/BROKERAGE - 0.32%
Paine Webber Group,
  Incorporated.................    78,350         3,511
                                             ----------
    TOTAL INVESTMENT
      BANKING/BROKERAGE........                   3,511
                                             ----------
SAVINGS & LOAN COMPANIES - 0.48%
Coastal Bancorp,
  Incorporated.................       717            26
H.F. Ahmanson & Company........    35,000         2,669
Washington Federal,
  Incorporated.................       759            21
Washington Mutual,
  Incorporated.................    35,000         2,452
                                             ----------
    TOTAL SAVINGS & LOAN
      COMPANIES................                   5,168
                                             ----------
    TOTAL FINANCIALS...........                 157,237
                                             ----------
HEALTH CARE - 1.09%
American Home Products
  Corporation..................    15,000         1,397
Baxter International,
  Incorporated.................    32,000         1,774
Bristol-Myers Squibb Company...    25,400         2,689
</TABLE>
 
                             See accompanying notes
                                       32
<PAGE>   34
AMR INVESTMENT SERVICES BALANCED PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
Foundation Health Systems......    86,500    $    2,503
Pharmacia & Upjohn,
  Incorporated.................    82,300         3,462
                                             ----------
    TOTAL HEALTH CARE..........                  11,825
                                             ----------
TECHNOLOGY - 3.26%
COMPUTERS - 1.06%
Data General Corporation (non-
  income producing)............    79,400         1,211
International Business Machines
  Corporation..................    67,000         7,764
Radisys Corporation............     6,900           188
Seagate Technology.............    88,000         2,349
                                             ----------
    TOTAL COMPUTERS............                  11,512
                                             ----------
ELECTRONICS DEFENSE - 0.63%
Raytheon Company...............   123,343         6,807
                                             ----------
    TOTAL ELECTRONICS
      DEFENSE..................                   6,807
                                             ----------
ELECTRONICS-SEMICONDUCTORS - 0.24%
MEMC Electronic Materials,
  Incorporated.................    62,000           872
National Semiconductor
  Corporation..................     5,000           110
VLSI Technology, Incorporated
  (non-income producing).......    77,300         1,594
                                             ----------
    TOTAL ELECTRONICS-
      SEMICONDUCTORS...........                   2,576
                                             ----------
SERVICES - 1.33%
Eastman Kodak Company..........    23,000         1,660
Unova, Incorporated............     5,400           126
Vanstar Corporation............    18,700           249
Xerox Corporation..............   108,800        12,349
                                             ----------
    TOTAL SERVICES.............                  14,384
                                             ----------
    TOTAL TECHNOLOGY...........                  35,279
                                             ----------
TRANSPORTATION - 1.90%
AIR FREIGHT - 0.01%
Airnet Systems.................     5,800           157
                                             ----------
    TOTAL AIR FREIGHT..........                     157
                                             ----------
RAILROADS - 1.85%
Burlington Northern,
  Incorporated.................    17,800         1,762
CSX Corporation................   147,200         7,728
GATX Corporation...............    25,000         2,072
Norfolk Southern Corporation...   221,300         7,400
Union Pacific Capital Trust....    20,000         1,096
                                             ----------
    TOTAL RAILROADS............                  20,058
                                             ----------
</TABLE>
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                 --------    ----------
                                 (dollars in thousands)
<S>                              <C>         <C>
SHIPPING - 0.02%
Teekay Shipping Corporation....     5,792    $      178
                                             ----------
    TOTAL SHIPPING.............                     178
                                             ----------
WATER UTILITIES - 0.02%
Trico Marine Services,
  Incorporated.................     8,700           197
                                             ----------
    TOTAL WATER UTILITIES......                     197
                                             ----------
    TOTAL TRANSPORTATION.......                  20,590
                                             ----------
UTILITIES - 6.34%
ELECTRIC COMPANIES - 5.05%
Central & Southwest
  Corporation..................    97,600         2,544
CMS Energy Corporation.........   167,200         7,304
Dominion Resources,
  Incorporated.................    78,800         3,117
DTE Energy Company.............   109,700         4,299
Edison International...........    65,000         1,938
Entergy Corporation............   198,500         4,938
Houston Industries,
  Incorporated.................   263,400         7,655
Illinova Corporation...........    75,000         2,292
Northeast Utilities............   359,400         5,076
Peco Energy Company............    73,000         1,738
Potomac Electric Power.........    44,400         1,088
PP & L Resources,
  Incorporated.................   140,000         3,229
Public Service Enterprise
  Group, Incorporated..........    38,400         1,289
Rochester Gas & Electric,
  Incorporated.................    30,000           934
Scana Corporation..............    28,000           836
Texas Utilities Company........    85,600         3,424
Unicom Corporation.............    85,500         2,971
                                             ----------
    TOTAL ELECTRIC COMPANIES...                  54,672
                                             ----------
NATURAL GAS-DISTRIBUTION-PIPE LINE - 1.29%
Coastal Corporation............    34,325         2,452
El Paso Natural Gas Company....    27,688         1,023
Equitable Resources,
  Incorporated.................    37,100         1,206
Peoples Energy Corporation.....    46,000         1,668
Williams Companies,
  Incorporated.................   243,235         7,692
                                             ----------
    TOTAL NATURAL GAS-
      DISTRIBUTION- PIPE
      LINE.....................                  14,041
                                             ----------
    TOTAL UTILITIES............                  68,713
                                             ----------
TOTAL COMMON STOCKS............                 644,436
                                             ----------
</TABLE>
 
                             See accompanying notes
                                       33
<PAGE>   35
AMR INVESTMENT SERVICES BALANCED PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                              <C>         <C>
                                      Par
                                   Amount         Value
                                 --------    ----------
                                 (dollars in thousands)
SHORT-TERM INVESTMENTS (NOTE A) - 19.00%
AMR Investments Strategic Cash
  Business Trust...............  $119,793    $  119,793
                                             ----------
    TOTAL SHORT-TERM
      INVESTMENTS..............                 205,771
                                             ----------
TOTAL INVESTMENTS - 116.74%
  (COST $1,056,357)............               1,264,276
                                             ----------
LIABILITIES, NET OF OTHER
  ASSETS - (16.74%)............                (181,307)
                                             ----------
TOTAL NET ASSETS - 100%........              $1,082,969
                                             ==========
</TABLE>
 
- ---------------
 
Based on the cost of investments of $1,057,533 for federal income tax purposes
at April 30, 1998, the aggregate gross unrealized appreciation was $213,670, the
aggregate gross unrealized depreciation was $6,927 and the net unrealized
appreciation of investments was $206,743.
 
(A) Rates associated with short-term investments represent yield to maturity.
 
(B) Security exempt from registration under Rule 144A of the Securities Act of
    1933. These securities may be resold in transactions exempt from
    registration, normally to qualified institutional buyers. At the period end,
    the value of these securities amounted to $8,540,000 or 0.8% of net assets.
 
ABBREVIATIONS:
 
ADR - American Depositary Receipt
AS - Company
LP - Limited Partnership
MTN - Medium-Term Note
NV - Company
PLC - Public Limited Corporation
REMIC - Real Estate Mortgage Investment Conduit
SA - Company
TBA - To Be Announced
 
                             See accompanying notes
                                       34
<PAGE>   36
 
AMR INVESTMENT SERVICES GROWTH AND INCOME PORTFOLIO
SCHEDULE OF INVESTMENTS
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                ----------   ----------
                                (dollars in thousands)
<S>                             <C>          <C>
CONVERTIBLE STOCK - 0.02%
Hutchinson Technology,
  Incorporated, Series 144A
  (Note B)....................     280,000   $      351
                                             ----------
    TOTAL CONVERTIBLE STOCK...                      351
                                             ----------
COMMON STOCKS - 98.23%
BASIC MATERIALS - 7.80%
AGRICULTURAL PRODUCTS - 0.22%
New Holland NV................     185,000        4,532
                                             ----------
    TOTAL AGRICULTURAL
      PRODUCTS................                    4,532
                                             ----------
ALUMINUM - 0.89%
Alumax, Incorporated..........     164,000        8,097
Aluminum Company of America...      58,000        4,495
Reynolds Metals Company.......      90,000        5,940
                                             ----------
    TOTAL ALUMINUM............                   18,532
                                             ----------
CHEMICALS - 4.28%
Airgas, Incorporated..........     623,475        9,664
ARCO Chemical Company.........      96,000        5,100
Dow Chemical Company..........      51,000        4,931
E.I. Du Pont de Nemours &
  Company.....................      60,000        4,369
Eastman Chemical Company......     203,875       14,016
FMC Corporation (non-income
  producing)..................     257,850       19,999
Great Lakes Chemical
  Corporation.................      73,400        3,688
Millennium Chemicals
  Incorporated................     538,371       19,314
PPG Industries,
  Incorporated................     115,600        8,171
                                             ----------
    TOTAL CHEMICALS...........                   89,252
                                             ----------
CONTAINERS/PACKAGING
  (PAPER) - 0.20%
Union Camp Corporation........      71,000        4,287
                                             ----------
    TOTAL CONTAINERS/
      PACKAGING (PAPER).......                    4,287
                                             ----------
CONSTRUCTION - 0.22%
DeBeers Construction Mines,
  Limited.....................     175,100        4,509
                                             ----------
    TOTAL CONSTRUCTION........                    4,509
                                             ----------
METALS MINING- 0.01%
Commonwealth Industries
  Incorporated................       7,600          129
                                             ----------
    TOTAL METALS MINING.......                      129
                                             ----------
PAPER & FOREST PRODUCTS - 1.82%
Boise Cascade Corporation.....     107,000        4,019
Georgia-Pacific Corporation...     108,700        5,090
International Paper Company...     179,000        9,342
</TABLE>
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                ----------   ----------
                                (dollars in thousands)
<S>                             <C>          <C>
Louisiana Pacific
  Corporation.................     155,900   $    3,410
Mead Corporation..............     124,000        4,293
Westvaco Corporation..........     162,100        4,914
Weyerhaeuser Company..........     120,000        6,915
                                             ----------
    TOTAL PAPER & FOREST
      PRODUCTS................                   37,983
                                             ----------
STEEL - 0.16%
Citation Corporation
  (non-income producing)......       4,468           93
USX-US Steel Group............      79,700        3,118
WHX Corporation (non-income
  producing)..................       5,500           86
                                             ----------
    TOTAL STEEL...............                    3,297
                                             ----------
    TOTAL BASIC MATERIALS.....                  162,521
                                             ----------
CAPITAL GOODS - 11.47%
AEROSPACE/DEFENSE - 2.44%
Avteam, Incorporated (non-
  income producing)...........      64,200          690
Lockheed Martin Corporation...     278,648       31,034
Northrop Grumman
  Corporation.................      51,000        5,390
Thiokol Corporation...........     254,500       13,711
                                             ----------
    TOTAL AEROSPACE/
      DEFENSE.................                   50,825
                                             ----------
ELECTRICAL EQUIPMENT - 2.37%
CBS Corporation...............     127,300        4,535
The Carbide/Graphite Group
  (non-income producing)......      18,300          590
Hadco Corporation.............       3,100          119
Honeywell, Incorporated.......     359,500       33,478
Hutchinson Technology.........       6,000          186
Philips Electronics N.V.......      52,000        4,680
Rockwell International
  Corporation.................      90,000        5,034
Stoneridge, Incorporated (non-
  income producing)...........      34,800          726
                                             ----------
    TOTAL ELECTRICAL
      EQUIPMENT...............                   49,348
                                             ----------
MACHINERY - DIVERSIFIED - 1.66%
Aviall Incorporated...........      11,300          158
Caterpillar, Incorporated.....      90,300        5,141
Deere and Company.............     344,600       20,138
Denison International PLC, ADR
  (non-income producing)......      34,700          625
Dover Corporation.............     203,100        8,022
Hussman International,
  Incorporated................      10,600          184
Silicon Valley Group
  Incorporated................      11,500          218
                                             ----------
    TOTAL MACHINERY -
      DIVERSIFIED.............                   34,486
                                             ----------
</TABLE>
 
                             See accompanying notes
                                       35
<PAGE>   37
AMR INVESTMENT SERVICES GROWTH AND INCOME PORTFOLIO
SCHEDULE OF INVESTMENTS - CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                ----------   ----------
                                (dollars in thousands)
<S>                             <C>          <C>
MANUFACTURING
  (DIVERSIFIED) - 3.97%
Coltec Industries,
  Incorporated (non-income
  producing)..................     484,600   $   12,115
Eaton Corporation.............      53,000        4,896
Harsco Corporation............     112,000        5,152
Millipore Corporation.........     347,875       12,002
Tenneco, Incorporated.........     396,500       17,074
Textron, Incorporated.........     401,500       31,417
                                             ----------
    TOTAL MANUFACTURING
      (DIVERSIFIED)...........                   82,656
                                             ----------
OFFICE EQUIPMENT & SUPPLIES - 0.02%
Micros Systems, Incorporated
  (non-income producing)......       8,940          526
                                             ----------
    TOTAL OFFICE EQUIPMENT &
      SUPPLIES................                      526
                                             ----------
WASTE MANAGEMENT - 1.01%
Waste Management,
  Incorporated................     630,500       21,122
                                             ----------
    TOTAL WASTE MANAGEMENT....                   21,122
                                             ----------
    TOTAL CAPITAL
      GOODS...................                  238,963
                                             ----------
COMMUNICATION SERVICE - 4.30%
TELEPHONE - 3.89%
Alltel Corporation............     122,300        5,228
Bell Atlantic Corporation.....      46,720        4,371
GTE Corporation...............     329,800       19,273
SBC Communications,
  Incorporated................     566,354       23,468
US West, Incorporated.........     543,600       28,675
                                             ----------
    TOTAL TELEPHONE...........                   81,015
                                             ----------
TELEPHONE LONG DISTANCE - 0.41%
AT&T Corporation..............     143,100        8,595
                                             ----------
    TOTAL TELEPHONE LONG
      DISTANCE................                    8,595
                                             ----------
    TOTAL COMMUNICATION
      SERVICE.................                   89,610
                                             ----------
CONSUMER STAPLES - 6.27%
BEVERAGES - ALCOHOLIC - 1.95%
Anheuser-Busch Companies,
  Incorporated................     857,900       39,303
Brown-Forman, Incorporated....      23,825        1,349
                                             ----------
    TOTAL BEVERAGES -
      ALCOHOLIC...............                   40,652
                                             ----------
BROADCASTING (TV RADIO CABLE) - 0.03%
Groupe AB SA, ADR (non-income
  producing)..................      89,960          534
                                             ----------
    TOTAL BROADCASTING (TV
      RADIO CABLE)............                      534
                                             ----------
</TABLE>
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                ----------   ----------
                                (dollars in thousands)
<S>                             <C>          <C>
ENTERTAINMENT - 0.01%
Alliance Communications
  Corporation.................      14,000   $      259
                                             ----------
    TOTAL
      ENTERTAINMENT...........                      259
                                             ----------
FOODS - 1.00%
J & J Snack Foods,
  Corporation.................      19,400          378
Nabisco Holdings Corporation,
  Class A.....................     218,825       10,463
RJR Nabisco Holdings
  Corporation.................     352,170        9,795
Zapata, Corporation...........      20,000          255
                                             ----------
    TOTAL FOODS...............                   20,891
                                             ----------
HOUSEHOLD PRODUCTS (NON-DURABLE) - 0.52%
First Brands Corporation......     388,150       10,407
Fort James Corporation........       6,400          318
                                             ----------
    TOTAL HOUSEHOLD PRODUCTS
      (NON-DURABLE)...........                   10,725
                                             ----------
HOUSEWARES - 0.34%
Fortune Brands,
  Incorporated................     142,000        5,236
Tupperware, Incorporated......      65,000        1,759
                                             ----------
    TOTAL HOUSEWARES..........                    6,995
                                             ----------
RETAIL STORES - FOOD CHAINS - 0.03%
Dominicks Supermarkets
  Incorporated................      17,200          689
                                             ----------
    TOTAL RETAIL STORES - FOOD
      CHAINS..................                      689
                                             ----------
TOBACCO - 2.39%
Gallaher Group PLC, ADR (non-
  income producing)...........     277,200        5,700
Hanson PLC, ADR...............      81,087        2,402
Imperial Tobacco Group PLC....     108,400        1,531
Philip Morris Company,
  Incorporated................   1,075,750       40,139
                                             ----------
    TOTAL TOBACCO.............                   49,772
                                             ----------
    TOTAL CONSUMER STAPLES....                  130,517
                                             ----------
CONSUMER - CYCLICALS - 13.09%
AUTO PARTS & EQUIPMENT - 2.02%
Dana Corporation..............     397,800       23,520
Goodyear Tire & Rubber
  Company.....................     105,100        7,357
ITT Industries,
  Incorporated................     308,800       11,252
                                             ----------
    TOTAL AUTO PARTS &
      EQUIPMENT...............                   42,129
                                             ----------
AUTOMOBILES - 4.48%
Chrysler Corporation..........     416,100       16,722
Ford Motor Company............     837,600       38,373
General Motors Corporation....     559,100       37,669
</TABLE>
 
                             See accompanying notes
                                       36
<PAGE>   38
AMR INVESTMENT SERVICES GROWTH AND INCOME PORTFOLIO
SCHEDULE OF INVESTMENTS - CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                ----------   ----------
                                (dollars in thousands)
<S>                             <C>          <C>
Meritor Automotive,
  Incorporated................      20,333   $      525
                                             ----------
    TOTAL AUTOMOBILES.........                   93,289
                                             ----------
BUILDING MATERIALS GROUP - 0.20%
Armstrong World Industries
  Incorporated................      43,300        3,713
NCI Building Systems,
  Incorporated (non-income
  producing)..................       7,897          411
                                             ----------
    TOTAL BUILDING MATERIALS
      GROUP...................                    4,124
                                             ----------
FOOTWEAR - 0.68%
Nike, Incorporated............      90,400        4,317
Nine West Group,
  Incorporated................     358,000        9,957
                                             ----------
    TOTAL FOOTWEAR............                   14,274
                                             ----------
GAMING LOTTERY & PARIMUTUEL - 0.05%
American Coin Merchandising,
  Incorporated (non-income
  producing)..................      46,600          979
Anchor Gaming.................       1,800          152
                                             ----------
    TOTAL GAMING LOTTERY &
      PARIMUTUAL..............                    1,131
                                             ----------
HOUSEHOLD FURNISHINGS & APPLIANCES - 0.35%
Whirlpool Corporation.........     100,000        7,200
                                             ----------
    TOTAL HOUSEHOLD
      FURNISHINGS &
      APPLIANCES..............                    7,200
                                             ----------
LEISURE TIME (PRODUCTS) - 1.18%
Hasbro, Incorporated..........     340,975       12,552
Mattel, Incorporated..........     312,350       11,967
                                             ----------
    TOTAL LEISURE TIME
      (PRODUCTS)..............                   24,519
                                             ----------
PUBLISHING - 0.60%
A. H. Belo, Incorporated,
  Class A.....................     223,575       11,835
Playboy Enterprises
  Incorporated................      38,500          669
                                             ----------
    TOTAL PUBLISHING..........                   12,504
                                             ----------
RETAIL - 2.82%
Friedman's Incorporated (non-
  income producing)...........      50,000        1,044
Intimate Brands,
  Incorporated................       3,265           95
K Mart Corporation............     747,000       13,026
J.C. Penney Company,
  Incorporated................     209,800       14,909
Sears Roebuck & Company.......     438,400       26,003
Toys R Us, Incorporated.......     132,500        3,652
                                             ----------
    TOTAL RETAIL..............                   58,729
                                             ----------
SERVICES - 0.59%
Princeton Video Image
  Incorporated................      15,600           94
</TABLE>
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                ----------   ----------
                                (dollars in thousands)
<S>                             <C>          <C>
Firstservice Corporation......      33,400   $      399
Mac-Gray Corporation (non-
  income producing)...........       2,600           43
Pittston Brinks Group.........     278,000       10,877
Ralcorp Holdings Incorporated
  New.........................      34,200          680
Wackenhut Corporation.........       7,300          158
                                             ----------
    TOTAL SERVICES............                   12,251
                                             ----------
TEXTILES (APPAREL) - 0.12%
Russell Corporation...........      95,000        2,565
                                             ----------
    TOTAL TEXTILES
      (APPAREL)...............                    2,565
                                             ----------
    TOTAL CONSUMER -
      CYCLICALS...............                  272,715
                                             ----------
ENERGY - 11.68%
OIL & GAS - 4.84%
Abraxas Petroleum Corporation
  (non-income producing)......      33,518          339
Baker Hughes, Incorporated....     596,500       24,158
Burlington Resources..........     202,141        9,501
Coho Energy, Incorporated
  (non-income producing)......      30,064          227
Dresser Industries,
  Incorporated................     554,100       29,298
Oryx Energy Company...........     370,475        9,679
Transcoastal Marine Services,
  Incorporated (non-income
  producing)..................       6,200           71
Ultramar Diamond Shamrock
  Corporation.................     142,000        4,588
Union Pacific Resources Group,
  Incorporated................     490,300       11,706
Union Texas Petroleum
  Holdings, Incorporated......     555,900       11,222
                                             ----------
    TOTAL OIL & GAS...........                  100,789
                                             ----------
OIL (DOMESTIC INTEGRATED) - 3.88%
Atlantic Richfield
  Corporation.................     430,600       33,587
Occidental Petroleum
  Corporation.................     592,200       17,433
Phillips Petroleum Company....     603,000       29,886
                                             ----------
    TOTAL OIL (DOMESTIC
      INTEGRATED).............                   80,906
                                             ----------
OIL (INTERNATIONAL INTEGRATED) - 2.96%
Amoco Corporation.............     119,000        5,266
British Petroleum, PLC, ADR...     136,176       12,869
Elf Aquitaine SA, ADR.........     119,600        7,767
Exxon Corporation.............      81,100        5,915
Mobil Corporation.............      44,000        3,476
Royal Dutch Petroleum Company,
  New York
  Registry....................     108,900        6,160
</TABLE>
 
                             See accompanying notes
                                       37
<PAGE>   39
AMR INVESTMENT SERVICES GROWTH AND INCOME PORTFOLIO
SCHEDULE OF INVESTMENTS - CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                ----------   ----------
                                (dollars in thousands)
<S>                             <C>          <C>
Texaco, Incorporated..........     328,900   $   20,227
                                             ----------
    TOTAL OIL (INTERNATIONAL
      INTEGRATED).............                   61,680
                                             ----------
    TOTAL ENERGY..............                  243,375
                                             ----------
FINANCIALS - 24.05%
BANKS - 10.76%
Banc One Corporation..........     213,910       12,581
BankAmerica Corporation.......     428,700       36,439
Bankers Trust Corporation New
  York........................     254,450       32,856
Chase Manhattan Corporation...     310,214       42,984
First Chicago NBD.............     462,065       42,914
First Midwest Bancorp,
  Incorporated................       6,300          327
First Security Corporation....     247,500        6,064
First Union Corporation.......      34,000        2,053
Fleet Financial Group,
  Incorporated................     100,500        8,681
J.P. Morgan & Company,
  Incorporated................     139,425       18,300
National City Corporation.....      34,400        2,382
NationsBank Corporation.......      80,000        6,060
PNC Bank Corporation..........     207,700       12,553
                                             ----------
    TOTAL BANKS...............                  224,194
                                             ----------
CONSUMER FINANCE - 1.21%
Associates First Capital
  Corporation.................     164,803       12,319
Beneficial Corporation........      52,000        6,779
Household International,
  Incorporated................      46,000        6,046
                                             ----------
    TOTAL CONSUMER FINANCE....                   25,144
                                             ----------
FINANCIAL (DIVERSIFIED) - 5.10%
Ace Limited...................     351,150       13,300
American Express Company......     324,400       33,089
American General
  Corporation.................      88,600        5,903
Executive Risk,
  Incorporated................       2,500          167
Federal Home Loan Mortgage
  Corporation.................     302,450       14,007
Federal National Mortgage
  Association.................     300,975       18,021
FPIC Insurance Group,
  Incorporated (non-income
  producing)..................       7,020          242
Fund American Enterprises,
  Incorporated................      42,750        5,969
Morgan Stanley Dean Witter
  Discover & Company..........     128,400       10,128
Mutual Risk Management,
  Limited.....................       7,900          268
</TABLE>
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                ----------   ----------
                                (dollars in thousands)
<S>                             <C>          <C>
The PMI Group, Incorporated...      62,000   $    5,038
                                             ----------
    TOTAL FINANCIAL
      (DIVERSIFIED)...........                  106,132
                                             ----------
INSURANCE (LIFE/HEALTH) - 0.56%
Aetna Incorporated............      60,000        4,849
Esg Re Limited................      21,400          551
TransAmerica Corporation......      55,000        6,352
                                             ----------
    TOTAL INSURANCE
      (LIFE/HEALTH)...........                   11,752
                                             ----------
INSURANCE (MULTI-LINE) - 0.97%
Hartford Financial Services
  Group, Incorporated.........      51,200        5,670
Lincoln National
  Corporation.................      70,000        6,217
Travelers Group...............     137,086        8,388
                                             ----------
    TOTAL INSURANCE
      (MULTI-LINE)............                   20,275
                                             ----------
INSURANCE BROKERS - 0.83%
Aon Corporation...............     255,100       16,454
Healthplan Services
  Corporation.................      37,800          921
                                             ----------
    TOTAL INSURANCE BROKERS...                   17,375
                                             ----------
INSURANCE - PROPERTY - CASUALTY - 3.56%
Allstate Corporation..........     124,414       11,975
American Financial Group
  Incorporated Ohio...........     304,640       13,271
Chubb Corporation.............     127,600       10,072
IPC Holdings, Limited.........      15,410          499
Mid Ocean, Limited............     121,000        9,120
Old Republic International
  Corporation.................     319,150       14,442
Safeco Corporation............      69,000        3,446
Stirling Cooke Brown
  Holdings....................      13,700          387
TIG Holdings Incorporated.....     450,500       10,840
                                             ----------
    TOTAL INSURANCE
      PROPERTY - CASUALTY.....                   74,052
                                             ----------
INVESTMENT BANKING/BROKERAGE - 0.43%
Paine Webber Group,
  Incorporated................     198,200        8,882
                                             ----------
    TOTAL INVESTMENT BANKING/
      BROKERAGE...............                    8,882
                                             ----------
SAVINGS & LOAN COMPANIES - 0.63%
H.F. Ahmanson & Company.......      95,000        7,244
Coastal Bancorp,
  Incorporated................       1,681           61
Washington Federal,
  Incorporated................       1,778           50
Washington Mutual,
  Incorporated................      82,000        5,745
                                             ----------
    TOTAL SAVINGS & LOAN
      COMPANIES...............                   13,100
                                             ----------
    TOTAL FINANCIALS..........                  500,906
                                             ----------
</TABLE>
 
                             See accompanying notes
                                       38
<PAGE>   40
AMR INVESTMENT SERVICES GROWTH AND INCOME PORTFOLIO
SCHEDULE OF INVESTMENTS - CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                ----------   ----------
                                (dollars in thousands)
<S>                             <C>          <C>
HEALTH CARE - 1.75%
American Home Products
  Corporation.................      52,000   $    4,842
Baxter International,
  Incorporated................      70,000        3,881
Bristol-Myers Squibb
  Company.....................      85,000        8,999
Foundation Health Systems.....     290,100        8,395
Pharmacia & Upjohn,
  Incorporated................     245,000       10,305
                                             ----------
    TOTAL HEALTH CARE.........                   36,422
                                             ----------
TECHNOLOGY - 5.31%
COMPUTERS - 1.66%
Data General Corporation (non-
  income producing)...........     265,900        4,055
International Business
  Machines Corporation........     201,200       23,314
Radisys, Corporation..........      16,300          444
Seagate Technology............     252,100        6,728
                                             ----------
    TOTAL COMPUTERS...........                   34,541
                                             ----------
ELECTRONICS - 1.47%
MEMC Electronic Materials,
  Incorporated................     213,200        2,998
National Semiconductor
  Corporation.................      17,000          374
Raytheon Company..............     391,975       21,632
VLSI Technology, Incorporated
  (non-income producing)......     267,500        5,517
                                             ----------
    TOTAL ELECTRONICS.........                   30,521
                                             ----------
SERVICES - 2.18%
Eastman Kodak Company.........      66,000        4,764
Unova Incorporated............      12,700          295
Vanstar Corporation...........      44,200          588
Xerox Corporation.............     350,800       39,816
                                             ----------
    TOTAL SERVICES............                   45,463
                                             ----------
    TOTAL TECHNOLOGY..........                  110,525
                                             ----------
TRANSPORTATION - 2.66%
AIR FREIGHT - 0.02%
Airnet Systems,
  Incorporated................      13,600          367
                                             ----------
    TOTAL AIR FREIGHT.........                      367
                                             ----------
RAILROADS - 2.60%
Burlington Northern,
  Incorporated................      56,200        5,564
CSX Corporation...............     434,300       22,801
GATX Corporation..............      73,900        6,124
Norfolk Southern
  Corporation.................     591,000       19,762
                                             ----------
    TOTAL RAILROADS...........                   54,251
                                             ----------
SHIPPING - 0.02%
Teekay Shipping Corporation...      13,649          420
                                             ----------
    TOTAL SHIPPING............                      420
                                             ----------
</TABLE>
 
<TABLE>
<CAPTION>
                                  Shares       Value
                                ----------   ----------
                                (dollars in thousands)
<S>                             <C>          <C>
WATER UTILITIES - 0.02%
Trico Marine Services
  Incorporated................      20,400   $      462
                                             ----------
    TOTAL WATER UTILITIES.....                      462
                                             ----------
    TOTAL TRANSPORTATION......                   55,500
                                             ----------
UTILITIES - 9.85%
ELECTRIC COMPANIES - 7.64%
Central and Southwest
  Corporation.................     325,000        8,470
CMS Energy Corporation........     473,700       20,695
Dominion Resources,
  Incorporated................     207,500        8,209
DTE Energy Company............     331,500       12,991
Edison International..........     202,500        6,037
Entergy Corporation...........     591,100       14,704
Houston Industries,
  Incorporated................     750,200       21,803
Illinova Corporation..........     215,000        6,571
Northeast Utilities...........     863,600       12,198
PP&L Resources,
  Incorporated................     458,400       10,572
Peco Energy Company...........     243,900        5,808
Potomac Electric Power
  Company.....................     163,800        4,013
Public Service Enterprise
  Group, Incorporated.........     168,900        5,669
Scana Corporation.............     150,000        4,481
Texas Utilities Company.......     243,400        9,736
Unicom Corporation............     206,700        7,183
                                             ----------
    TOTAL ELECTRIC
      COMPANIES...............                  159,140
                                             ----------
NATURAL GAS - DISTRIBUTION - PIPE LINE -- 2.21%
Coastal Corporation...........     117,575        8,399
El Paso Natural Gas Company...     119,518        4,415
Equitable Resources,
  Incorporated................     141,900        4,612
Peoples Energy Corporation....      68,000        2,465
Williams Companies,
  Incorporated................     824,197       26,065
                                             ----------
    TOTAL NATURAL GAS -
      DISTRIBUTION - PIPE
      LINE....................                   45,956
                                             ----------
    TOTAL UTILITIES...........                  205,096
                                             ----------
    TOTAL COMMON STOCKS.......                2,046,150
                                             ----------
</TABLE>
 
                             See accompanying notes
                                       39
<PAGE>   41
AMR INVESTMENT SERVICES GROWTH AND INCOME PORTFOLIO
SCHEDULE OF INVESTMENTS - CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                              <C>         <C>
                                      Par
                                   Amount         Value
                                 --------    ----------
                                 (dollars in thousands)
SHORT-TERM INVESTMENTS (NOTE A) - 7.64%
AMR Investments Strategic Cash
  Business Trust...............  $131,834    $  131,834
Bank Brussells Lambert Euro TD,
  5.531%, Due 5/1/1998.........    27,262        27,262
                                             ----------
    TOTAL SHORT-TERM
      INVESTMENTS..............                 159,096
                                             ----------
TOTAL INVESTMENTS - 105.89%
  (COST $1,609,517)............               2,205,597
                                             ----------
OTHER ASSETS, NET OF
  LIABILITIES - (5.89%)........                (122,759)
                                             ----------
TOTAL NET ASSETS - 100%........              $2,082,838
                                             ==========
</TABLE>
 
- ---------------
 
Based on the cost of investments of $1,611,972 for federal income tax purposes
at April 30, 1998, the aggregate gross unrealized appreciation was $613,896, the
aggregate gross unrealized depreciation was $20,272, and the net unrealized
appreciation of investments was $593,624.
 
(A) Rates associated with short-term investments represent yield to maturity.
 
ABBREVIATIONS:
 
ADR - American Depositary Receipt
NV - Company
PLC - Public Limited Corporation
SA - Company
TD - Time Deposit
 
                             See accompanying notes
                                       40
<PAGE>   42
 
AMR INVESTMENT SERVICES INTERMEDIATE BOND PORTFOLIO
SCHEDULE OF INVESTMENTS
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                 Par
                                                               Amount         Value
                                                              ---------     ---------
                                                              (dollars in thousands)
<S>                                                           <C>           <C>
U.S. TREASURY OBLIGATIONS - 31.45%
U.S. TREASURY BONDS - 14.78%
10.375%, Due 11/15/2012.....................................  $  4,000      $  5,296
8.125%, Due 8/15/2019.......................................    10,465        13,058
6.375%, Due 8/15/2027.......................................    11,000        11,584
6.125%, Due 11/15/2027......................................     3,290         3,369
                                                                            --------
    TOTAL U.S. TREASURY BONDS...............................                  33,307
                                                                            --------
U.S. TREASURY NOTES - 16.67%
6.50%, Due 4/30/1999........................................       700           706
7.875%, Due 8/15/2001.......................................    11,980        12,762
7.50%, Due 2/15/2005........................................     1,300        14,268
7.00%, Due 7/15/2006........................................     6,730         7,266
6.125%, Due 8/15/2007.......................................     2,500         2,569
                                                                            --------
    TOTAL U.S. TREASURY NOTES...............................                  37,571
                                                                            --------
    TOTAL U.S. TREASURY OBLIGATIONS.........................                  70,878
                                                                            --------
U.S. AGENCY MORTGAGE-BACKED OBLIGATIONS - 17.50%
FEDERAL HOME LOAN MORTGAGE ASSOCIATION - 1.50%
Gold Pool #E00506, 7.00%, Due 9/1/2012......................     1,300         1,325
Gold Pool #E69244, 6.00%, Due 3/1/2013......................     1,390         1,372
Gold Pool #E00540, 6.00%, Due 3/1/2013......................       698           689
                                                                            --------
    TOTAL FEDERAL HOME LOAN MORTGAGE ASSOCIATION............                   3,386
                                                                            --------
FEDERAL NATIONAL MORTGAGE ASSOCIATION - 4.59%
Pool #555555, 6.50%, Due 4/18/2027..........................     9,079         8,942
Pool #408204, 6.50%, Due 1/1/2028...........................       694           687
Pool #416831, 6.50%, Due 3/1/2028...........................       724           717
                                                                            --------
    TOTAL FEDERAL NATIONAL MORTGAGE ASSOCIATION.............                  10,346
                                                                            --------
GOVERNMENT NATIONAL MORTGAGE ASSOCIATION - 11.41%
Pool #780285, 9.50%, Due 12/15/2017.........................    17,129        18,763
Pool #448701, 7.50%, Due 9/15/2027..........................     5,512         5,661
Pool #780570, 7.00%, Due 5/15/2027..........................     1,261         1,276
                                                                            --------
    TOTAL GOVERNMENT NATIONAL MORTGAGE ASSOCIATION..........                  25,700
                                                                            --------
    TOTAL U.S. AGENCY MORTGAGE-BACKED OBLIGATIONS...........                  39,432
                                                                            --------
ASSET-BACKED SECURITIES - 2.27%
Citibank Credit Card Master Trust I, 6.989%, Due
  2/10/2004.................................................     5,000         5,125
                                                                            --------
    TOTAL ASSET-BACKED SECURITIES...........................                   5,125
                                                                            --------
COMMERCIAL MORTGAGE-BACKED OBLIGATIONS - 2.28%
GMAC Commercial Mortgage Securities, Incorporated 6.869%,
  Due 8/15/2007.............................................     5,000         5,141
                                                                            --------
    TOTAL MORTGAGE-BACKED OBLIGATIONS.......................                   5,141
                                                                            --------
CORPORATE OBLIGATIONS - 43.21%
FINANCIAL - 21.30%
American Express Credit Corporation, 6.125%, Due
  6/15/2000.................................................     2,000         2,007
Associates Corporation of North America, 7.875%, Due
  9/30/2001.................................................     3,550         3,739
BankAmerica Corporation, 7.20%, Due 4/15/2006...............     1,280         1,345
Bear Stearns Company, Variable Rate, 5.59%, Due 7/10/2000...     5,000         4,987
Chrysler Finance Corporation, Variable Rate, 5.57%, Due
  7/17/2000.................................................     5,000         4,982
</TABLE>
 
                             See accompanying notes
                                       41
<PAGE>   43
AMR INVESTMENT SERVICES INTERMEDIATE BOND PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                 Par
                                                               Amount         Value
                                                              ---------     ---------
                                                              (dollars in thousands)
<S>                                                           <C>           <C>
Ford Motor Credit Corporation, Variable Rate,
  5.42%, Due 8/7/2000.......................................  $  5,000      $  4,987
  6.125%, Due 4/28/2003.....................................     2,490         2,478
General Motors Acceptance Corporation, 6.375% Due
  12/1/2001.................................................     2,000         2,016
Merrill Lynch and Company, Variable Rate, 5.61%, Due
  6/27/2000.................................................     5,000         4,983
NationsBank Corporation, 6.375%, Due 2/15/2008..............     3,350         3,331
Sears Roebuck Acceptance Corporation,
  6.93% Due 10/03/2002......................................     2,000         2,043
  6.72%, Due 11/5/2003......................................     2,200         2,232
Swiss Bank Corporation, 7.375%, Due 7/15/2015...............     3,000         3,171
Travelers Property Casualty Corporation, 6.75%, Due
  4/15/2001.................................................     4,000         4,072
Wells Fargo and Company, 6.875%, Due 5/10/2001..............     1,600         1,629
                                                                            --------
    TOTAL FINANCIAL.........................................                  48,002
                                                                            --------
INDUSTRIAL - 17.07%
A.H. Belo, Corporation, 7.25%, Due 9/15/2027................     1,500         1,570
Atlantic Richfield Corporation, 9.00%, Due 4/1/2021.........     2,000         2,537
Auburn Hills Trust, 12.00%, Due 5/1/2020....................     1,825         2,929
Coca Cola Company, Incorporated, 6.00%, Due 3/15/2001.......     4,000         3,986
Dresser Industries, 6.25%, Due 6/1/2000.....................     2,000         2,013
Fort James Corporation, 6.625%, Due 9/15/2004...............     2,000         2,015
General Motors, Incorporated 7.70%, Due 4/15/2016...........     3,000         3,291
Ingersoll Rand, Company, 6.34%, Due, 12/3/2001..............     2,000         2,009
J. C. Penney and Company, 7.95%, Due 4/1/2017...............     3,000         3,306
K.N. Energy, Incorporated, 6.65%, Due 3/1/2005..............       930           933
Loews Corporation, 6.75%, Due 12/15/2006....................     2,000         2,026
Occidental Petroleum Corporation
  6.40%, Due 4/1/2003.......................................     1,310         1,305
  6.50%, Due 4/1/2005.......................................       655           653
Phillip Morris Companies, Incorporated, 7.20%, Due
  2/1/2007..................................................     2,000         2,063
Sears Roebuck & Company, MTN, 9.05%, Due 2/6/2012...........     4,000         4,943
USA Waste Services, Incorporated, 6.505%, Due 12/15/2002....     1,500         1,501
WMX Technologies, Incorporated, 6.65%, Due 5/15/2005........     1,375         1,387
                                                                            --------
    TOTAL INDUSTRIAL........................................                  38,467
                                                                            --------
SOVEREIGN - 1.00%
Province of Quebec, 7.00%, Due 1/30/2007....................     2,170         2,265
                                                                            --------
    TOTAL SOVEREIGN.........................................                   2,265
                                                                            --------
TRANSPORTATION - 2.02%
Norfolk Southern Corporation,
  6.95%, Due 5/1/2002.......................................     3,000         3,081
  7.80%, Due 5/15/2027......................................     1,310         1,468
                                                                            --------
    TOTAL TRANSPORTATION....................................                   4,549
                                                                            --------
UTILITIES - 1.82%
Texas Utilities Electric Company, 9.50%, Due 8/1/1999.......     2,000         2,072
Western Resources, Incorporated, 6.875%, Due 8/1/2004.......     2,000         2,039
                                                                            --------
    TOTAL UTILITIES.........................................                   4,111
                                                                            --------
    TOTAL CORPORATE OBLIGATIONS.............................                  97,394
                                                                            --------
</TABLE>
 
                             See accompanying notes
                                       42
<PAGE>   44
AMR INVESTMENT SERVICES INTERMEDIATE BOND PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                 Par
                                                               Amount         Value
                                                              ---------     ---------
                                                              (dollars in thousands)
<S>                                                           <C>           <C>
SHORT-TERM INVESTMENTS (NOTE A) - 18.59%
AMR Investments Strategic Cash Business Trust...............  $ 36,382      $ 36,382
First Boston Treasury Tri-Party Repurchase Agreement, 5.45%,
  Due 5/1/1998 (Collateral held at The Chase Manhattan Bank,
  N.A. by a U.S. Treasury Note, 7.50%, Due
  5/15/2002 -- Market Value: $5,468)........................     5,523         5,523
                                                                            --------
    TOTAL SHORT-TERM INVESTMENTS............................                  41,905
                                                                            --------
    TOTAL INVESTMENTS - 115.30% (COST $258,980).............                 259,875
                                                                            --------
    LIABILITIES, NET OF OTHER ASSETS  (15.30%)..............                 (34,485)
                                                                            --------
    TOTAL NET ASSETS-100%...................................                $225,390
                                                                            ========
</TABLE>
 
- ---------------
Based on the cost of investments of $259,000 for federal income tax purposes at
April 30, 1998, the aggregate gross unrealized appreciation was $1,356, the
unrealized depreciation was $482, and the net unrealized appreciation of
investments was $874.
 
(A) Rates associated with short-term investments represent yield to maturity.
 
ABBREVIATIONS:
MTN -- Medium-Term Note
 
                                       43
<PAGE>   45
 
AMR INVESTMENT SERVICES INTERNATIONAL EQUITY PORTFOLIO
SCHEDULE OF INVESTMENTS
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                Shares         Value
                               ---------    -----------
                                (dollars in thousands)
<S>                            <C>          <C>
AUSTRALIA COMMON STOCKS - 4.05%
Australia & New Zealand
  Banking Group..............  1,147,152    $     8,005
Brambles Industries,
  Limited....................    166,700          3,436
CSR, Limited.................    199,200            636
Foster's Brewing Group,
  Limited....................  1,900,300          4,138
GIO Australia Holdings, 
  Limited....................  1,191,949          3,419
Goodman Fielder, Limited.....  1,150,000          1,784
Mayne Nickless, Limited......    625,000          3,375
News Corporation, Limited....    210,000          1,408
News Corporation Preferred
  Rights.....................    345,000          1,943
Pioneer International,
  Limited....................  2,054,675          5,867
QBE Insurance Group, 
  Limited....................  1,149,636          5,277
RGC, Limited.................    550,000            753
WMC, Limited.................    785,000          2,794
                                            -----------
    TOTAL AUSTRALIA COMMON
      STOCKS.................                    42,835
                                            -----------
AUSTRIA -- 1.11%
PREFERRED STOCKS -- 0.32%
Bank Austria AG..............     44,000          3,401
                                            -----------
    TOTAL AUSTRIA PREFERRED
      STOCKS.................                     3,401
                                            -----------
COMMON STOCKS -- 0.79%
Boehler-Uddeholm AG..........     60,185          4,437
Evn Energie-Versorgung
  Niederroesterreich AG......      7,960          1,176
Mayr-Melnhof Karton AG.......     16,000          1,110
VA Technologie AG............     11,000          1,581
                                            -----------
    TOTAL AUSTRIA COMMON
      STOCKS.................                     8,304
                                            -----------
    TOTAL AUSTRIA............                    11,705
                                            -----------
BELGIUM COMMON STOCKS - 0.53% 
Electrabel SA................      8,800          2,336
GIB Holdings, Limited, NPV...     29,000          1,425
Solvay Et Cie, NPV...........     25,000          1,880
                                            -----------
    TOTAL BELGIUM COMMON
      STOCKS.................                     5,641
                                            -----------
CANADA COMMON STOCKS - 4.11%
Alcan Aluminum, Limited......     97,000          3,147
Anderson Exploration,
  Limited....................    170,000          2,068
Canadian Imperial Bank of
  Commerce...................    157,200          5,588
IMASCO, Limited..............    119,000          4,480
</TABLE>
 
<TABLE>
<CAPTION>
                                Shares         Value
                               ---------    -----------
                                (dollars in thousands)
<S>                            <C>          <C>
Methanex Corporation.........    275,000    $     2,394
Newbridge Network............    100,000          2,929
Noranda, Incorporated........    254,875          5,257
Oshawa Group, Limited........     66,000          1,061
Potash Corporation of
  Saskatchewan...............     40,704          3,625
Ranger Oil, Limited..........    116,200            808
Renaissance Energy...........    334,200          6,437
Telus Corporation............    210,000          5,660
                                            -----------
    TOTAL CANADA COMMON
      STOCKS.................                    43,454
                                            -----------
DENMARK COMMON STOCKS - 0.69%
BG Bank......................     20,750          1,213
Den Danske Bank..............     12,000          1,455
Teledanmark AS, "B"..........     16,700          1,403
Unidanmark AS, "A"...........     38,200          3,210
                                            -----------
    TOTAL DENMARK COMMON
      STOCKS.................                     7,281
                                            -----------
FINLAND COMMON STOCKS - 2.85%
Enso-Gutzeit OY, "R".........    212,000          2,257
Huhtamaki Group I Free.......     27,500          1,590
Merita Bank, Limited.........    785,000          5,259
Metra OY,"B".................    194,295          4,886
Metsa-Serla OY, "B"..........    100,000          1,037
Nokia OY, "A"................     87,000          5,845
Rauma OY.....................     83,277          1,559
UPM-Kymmene OY...............    254,280          7,631
                                            -----------
    TOTAL FINLAND COMMON
      STOCKS.................                    30,064
                                            -----------
FRANCE COMMON STOCKS - 9.56%
Alcatel Alsthom CG...........     47,200          8,745
Axa SA.......................     35,542          4,170
Banque Nationale de Paris....     45,000          3,791
Bongrain SA..................      2,274          1,171
Elf Aquitaine SA.............    117,700         15,432
France Telecom SA............    105,300          5,727
Groupe Danone................     40,300          9,510
La Farge.....................      5,415            497
La Farge-Coppee SA...........     64,983          6,134
Pechiney SA..................     51,800          2,316
Pernod-Ricard................     70,689          4,875
Rhone-Poulenc, "A"...........    126,100          6,163
Sa Des Galeries Lafayette....        162            142
Saint Gobain.................     21,848          3,638
Schneider SA.................     43,000          3,215
Scor SA......................     31,500          1,941
Seita........................    115,202          5,169
Societe Generale.............     37,984          7,903
Total Petroleum Company, 
      "B"....................     57,100          6,784
Usinor Sacilor...............    248,752          3,720
                                            -----------
    TOTAL FRANCE COMMON
      STOCKS.................                   101,043
                                            -----------
</TABLE>
 
                                       44
<PAGE>   46
AMR INVESTMENT SERVICES INTERNATIONAL EQUITY PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                Shares         Value
                               ---------    -----------
                                (dollars in thousands)
<S>                            <C>          <C>
GERMANY - 4.45%
PREFERRED STOCKS - 0.97%
Dyckerhoff AG................     14,274    $     4,916
Herlitz AG...................     23,947          1,455
Volkswagen AG................      6,570          3,899
                                            -----------
    TOTAL GERMANY PREFERRED
      STOCKS.................                    10,270
                                            -----------
COMMON STOCKS - 3.48%
BASF AG......................    120,300          5,356
BAYER AG.....................    149,125          6,632
BBS Kraftfahrzeugtechnik.....      1,526            269
Commerzbank AG...............    134,500          5,187
Deutsche Bank AG.............     36,000          2,770
Hoechst AG...................     41,700          1,682
Karstadt AG..................      4,000          1,806
Muenchener Rueckversicherungs
  AG.........................      7,160          2,434
Varta AG
  (non-income producing).....      1,440            286
Veba AG......................     93,500          6,179
Viag AG......................      7,340          3,718
Volkswagen AG................        505            402
                                            -----------
    TOTAL GERMANY COMMON
      STOCKS.................                    36,721
                                            -----------
    TOTAL GERMANY............                    46,991
                                            -----------
HONG KONG COMMON STOCKS - 3.57%
Asia Satellite
  Telecommunications
  Holdings, Limited..........    275,000            506
Cheung Kong Holdings,
  Limited....................    355,000          2,360
China Light and Power
  Company....................    818,000          3,928
Dickson Concepts
  (International), Limited...    643,000            888
Hang Lung Development
  Company, Limited...........  3,155,000          4,114
Hong Kong Aircraft
  Engineering Company,
  Limited....................      7,200             13
Hong Kong Electric
  Holdings...................    793,400          2,438
Hong Kong Telecommunications,
  Limited....................  1,024,400          1,918
HSBC Holdings, Limited.......    114,500          3,267
Hutchinson Whampoa,
  Limited....................    300,000          1,855
Hysan Development............    496,000            704
Hysan Development Company,
  Limited....................     49,600              1
National Mutual of Asia, 
  Limited....................  1,700,000          1,361
New World Development
  Company, Limited...........    919,000          2,616
Peregrine Investments
  Holdings, Limited..........    605,000            336
Peregrine Investments
  Holdings, Limited
  Warrants...................     55,000              1
South China Morning Post.....  7,886,000          4,734
Swire Pacific, Limited,
  "A"........................    632,500            539
</TABLE>
 
<TABLE>
<CAPTION>
                                Shares         Value
                               ---------    -----------
                                (dollars in thousands)
<S>                            <C>          <C>
Swire Pacific, Limited "B"...  1,234,500    $     6,168
                                            -----------
    TOTAL HONG KONG COMMON
      STOCKS.................                    37,747
                                            -----------
IRELAND COMMON STOCKS - 0.73%
Jefferson Smurfit............  2,063,082          7,678
                                            -----------
    TOTAL IRELAND COMMON
      STOCKS.................                     7,678
                                            -----------
ITALY - 3.16%
PREFERRED STOCK - 0.20%
Concessioni E Costruzioni
  Autostrade.................    525,000          2,053
                                            -----------
    TOTAL ITALY PREFERRED
      STOCK..................                     2,053
                                            -----------
COMMON STOCKS - 2.96%
Burgo (Cartiere) SPA.........    225,020          1,803
Danieli Group................     94,960             25
Danieli Group Risp...........     94,960            504
Eni SPA......................    941,380          6,319
Fiat SPA.....................    775,000          3,073
Instituto Nazionale Delle
  Assicurazioni..............  1,000,000          2,988
Mediaset.....................    541,100          3,542
STET Risp Non Convertible....    550,000          4,113
STET Telecom Italia Risp.....  1,696,500          8,942
                                            -----------
    TOTAL ITALY COMMON
      STOCKS.................                    31,309
                                            -----------
    TOTAL ITALY..............                    33,362
                                            -----------
JAPAN COMMON STOCKS - 9.87%
Aisin Seiki Company,
  Limited....................    300,000          2,881
Aoyama Trading Company.......     68,100          1,572
Best Denki Company...........     26,000            148
Canon, Incorporated..........     54,000          1,279
Central Japan Railway........        500          1,718
Chudenko Corporation.........     33,000            764
Daibiru Corporation..........    240,000          1,615
Daicel Chemical..............    859,000          1,502
Eisai Company................    101,000          1,452
Fuji Photo Film..............    203,000          7,236
Fujisawa Pharmaceutical
  Company....................     77,000            751
Hitachi Zosen Corporation....    212,000            324
Hitachi, Limited.............    324,000          2,327
Japan Tobacco................        950          6,809
Kanamoto Company.............     51,000            239
KAO Corporation..............    365,000          5,373
Kioto Manufacturing Company,
  Limited....................    432,000          2,223
Kyocera Corporation..........    108,000          5,673
Makita Corporation...........     33,000            360
Matsushita Electric
  Industrial Company.........    304,000          4,878
Matsuzakaya Company..........    266,000          1,158
MOS Food Services............     97,000          1,237
NKK Corporation..............  1,200,000          1,044
</TABLE>
 
                                       45
<PAGE>   47
AMR INVESTMENT SERVICES INTERNATIONAL EQUITY PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                Shares         Value
                               ---------    -----------
                                (dollars in thousands)
<S>                            <C>          <C>
NEC Corporation..............     79,000    $       891
Namco........................    150,000          3,048
Nichicon Corporation.........    293,000          3,193
Nichido Fire & Marine
  Insurance..................    393,000          2,109
Nintendo Company, Limited....     64,400          5,917
Nippon Telephone & Telegraph
  Company....................        370          3,248
Okumura Corporation..........    420,000          1,558
Ono Pharmaceutical...........     64,000          1,395
Promise Company, Limited.....    106,800          5,432
Ryosan Company...............      9,000            129
Sekisui Chemical Company,
  Limited....................    311,000          1,711
Shionogi & Company...........    173,000            940
Showa Sangyo Company.........    593,000          1,158
Sony Corporation.............     80,800          6,733
Sumitomo Marine & Fire
  Insurance..................    442,000          2,639
Sumitomo Rubber Industries...     77,000            455
Suzuki Motor Company,
  Limited....................    193,000          1,662
Toyo Seikan Kaisha...........    198,000          2,555
Yamanouchi Pharmaceutical....    127,000          3,009
Yamato Kogyo Company,
  Limited....................    120,000            896
Yodogawa Steel Works.........    499,000          2,115
Yoshitomi Pharmaceutical.....    185,000            976
                                            -----------
    TOTAL JAPAN COMMON
      STOCKS.................                   104,332
                                            -----------
MALAYSIA COMMON STOCKS - 0.44%
Genting BHD..................    508,700          1,687
Golden Hope Plantations
  BHD........................  1,668,000          2,060
Hicom Holdings BHD...........    529,300            209
Malaysian International
  Shipping Corporation BHD...    402,666            700
                                            -----------
    TOTAL MALAYSIA COMMON
      STOCKS.................                     4,656
                                            -----------
MEXICO COMMON STOCKS - 0.60%
Alfa, SA.....................    121,000            660
Consorcio Grupo Dina Sa De C
  V..........................    367,625          1,907
Grupo Mexico SA, Series
  "B"........................    435,000          1,409
Grupo Mexico SA, Series
  "L"........................     63,000            200
Industrias Penoles...........    215,000            886
Vitro Sa.....................    335,000          1,243
                                            -----------
    TOTAL MEXICO COMMON
      STOCKS.................                     6,305
                                            -----------
NETHERLANDS COMMON STOCKS - 6.47%
ABN AMRO Holdings NV.........    447,715         10,902
Akzo Nobel NV................     66,750         13,578
Fortis Amev NV...............     51,654          3,022
Hollandsche Beton Groep NV...    158,040          3,293
Ing Groep NV.................    235,577         15,309
Kon PTT Nederland............    129,410          6,687
</TABLE>
 
<TABLE>
<CAPTION>
                                Shares         Value
                               ---------    -----------
                                (dollars in thousands)
<S>                            <C>          <C>
Koninklijke Bijenkorf Beheer 
  NV.........................     17,400    $     1,240
Koninklijke KNP BT...........     58,010          1,593
Phillips Electronics.........    112,900          9,946
Unilever NV..................     40,000          2,847
                                            -----------
    TOTAL NETHERLANDS COMMON
      STOCKS.................                    68,417
                                            -----------
                                     Par
                                  Amount
                               ---------
NEW ZEALAND - 0.70%
FOREIGN BONDS - 0.01%
Brierley Investments, Limited
  Subordinated Convertible,
  9.00%, Due 6/30/1998.......  $      63             35
                                            -----------
    TOTAL NEW ZEALAND FOREIGN
      BONDS..................                        35
                                            -----------
                                  Shares
                               ---------
COMMON STOCKS - 0.69%
Brierley Investments,
  Limited....................  1,691,262            977
Carter Holt Harvey,
  Limited....................    605,889            805
Fisher & Paykel, Limited.....    660,000          1,962
Fletcher Challenge
  Building...................    775,250          1,568
Fletcher Challenge Forest....      8,284              5
Fletcher Challenge Paper.....    365,000            537
Lion Nathan, Limited.........    534,700          1,420
                                            -----------
    TOTAL NEW ZEALAND COMMON
      STOCKS.................                     7,274
                                            -----------
    TOTAL NEW ZEALAND........                     7,309
                                            -----------
NORWAY COMMON STOCKS - 1.79%
Den Norsk Bank, Series A.....    270,000          1,419
Kvaerner Industries AS.......    117,289          5,140
Norsk Hydro AS...............     60,000          2,993
Nycomed AS, Series B.........    190,771          6,190
Saga Petroleum...............     10,175            202
Saga Petroleum, Series B 
  Free.......................    100,000          1,783
Unitor AS....................     80,000          1,234
                                            -----------
    TOTAL NORWAY COMMON
      STOCKS.................                    18,961
                                            -----------
SINGAPORE COMMON STOCKS - 0.47%
Development Bank of
  Singapore..................     46,000            305
Development Bank of
  Singapore, "A" Shares......     16,500            109
Fraser & Neave, Limited......    541,000          2,426
Hong Kong Land...............    708,847          1,000
Inchcape Berhad..............    325,000            112
Inchcape Motors..............    325,000            554
Singapore Finance, Limited...    387,000            293
Van Der Horst................    440,000            186
                                            -----------
    TOTAL SINGAPORE COMMON
      STOCKS.................                     4,985
                                            -----------
SPAIN COMMON STOCKS - 3.14%
Banco Popular Espanol........     28,000          2,296
Banco Santander SA...........    112,730          5,954
</TABLE>
 
                                       46
<PAGE>   48
AMR INVESTMENT SERVICES INTERNATIONAL EQUITY PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                Shares         Value
                               ---------    -----------
                                (dollars in thousands)
<S>                            <C>          <C>
Iberdrola SA.................    522,757    $     8,403
Repsol SA (BR)...............    100,135          5,486
Telefonica...................    144,000            113
Telefonica de Espana.........    261,900         10,929
                                            -----------
    TOTAL SPAIN COMMON
      STOCKS.................                    33,181
                                            -----------
SOUTH KOREA COMMON STOCKS - 0.10%
Korea Electric Power
  Corporation................     80,860          1,101
                                            -----------
    TOTAL SOUTH KOREA COMMON
      STOCKS.................                     1,101
                                            -----------
SWEDEN COMMON STOCKS - 4.06%
Assidoman AB.................     56,000          1,505
Astra AB, "B" Free...........     55,200          1,098
Autoliv Incorporated.........    105,000          3,189
Electrolux AB, "B"...........     95,015          8,840
Esselte AB, Class "A"........      2,000             45
Esselte AB, Class "B"........     17,000            389
Foreningssparbk..............    178,500          5,582
Granges AB...................     15,000            273
Nordbanken AS................    358,100          2,638
Pharmacia & Upjohn,
  Incorporated...............     91,300          3,982
Skandia Forsakrings AB.......     14,300            996
SKF AB, "B" Free.............     94,600          1,907
Stora Kopparsbergs Bergslags,
  "A"........................    122,100          2,091
Stora Kopparsbergs Bergslags,
  "B"........................     25,800            440
Svedala Industries, "A"
  Free.......................     90,000          2,146
Svenska Cellulosa, "B"
  Free.......................    149,400          4,305
Volvo AB.....................    120,000          3,504
                                            -----------
    TOTAL SWEDEN COMMON
      STOCKS.................                    42,930
                                            -----------
SWITZERLAND COMMON STOCKS - 6.36%
ABB AG.......................      2,840          4,658
Cie Fin Richemont............      3,940          5,648
Forbo Holding AG.............      3,280          1,684
Holderbank Financial
  Glarus-B...................      3,600          3,811
Nestle SA....................      9,541         18,510
Novartis AG..................      2,879          4,760
Schindler Holding AG (BR)....      1,110          1,795
Schweitz Ruckversiche........      3,676          8,112
SGS Holdings.................        240            409
Sig Schweitz Industries AG...     11,140          9,269
Sulzer AG....................      7,017          5,029
Zurich Versicherungs.........      5,700          3,473
                                            -----------
    TOTAL SWITZERLAND COMMON
      STOCKS.................                    67,158
                                            -----------
UNITED KINGDOM COMMON STOCKS - 22.86%
Aggreko, PLC.................    502,977          1,682
Albert Fisher Group, PLC.....    262,500            123
Allied Domecq, PLC...........    510,710          5,252
</TABLE>
 
<TABLE>
<CAPTION>
                                Shares         Value
                               ---------    -----------
                                (dollars in thousands)
<S>                            <C>          <C>
Arcadia Group................     41,875    $       329
Arriva.......................    205,000          1,446
Associated British Foods
  Group, PLC.................     78,500            736
Bank of Scotland.............    306,044          3,761
BAT Industries, PLC..........    925,984          8,732
BG, PLC......................  1,332,016          7,116
British Energy, PLC..........    300,000          2,734
British Telecommunications...    732,400          7,954
BTR, PLC.....................  4,577,800         15,213
Bunzl, PLC...................    792,900          3,818
Burmah Castrol, PLC..........    366,050          7,571
Coats Viyella, PLC...........  1,695,330          2,636
Commercial Union, PLC........    474,200          8,872
Cookson Group, PLC...........  1,814,400          8,145
Cortaulds, PLC...............    362,000          2,657
Cortaulds Textiles, PLC......    150,000            805
Danka Business Systems, PLC..    604,100          3,005
Debenhams Retail.............     83,750            549
Diageo.......................    360,590          4,293
Elementis....................    511,260          1,299
English China Claylord
  Group......................    418,610          1,725
Express Dairies..............    250,000            679
General Electric.............    435,000          3,600
Great Universal Stores.......    239,500          3,648
Hanson, PLC..................  1,054,385          6,219
Hillsdown Holdings, PLC......  2,171,600          6,499
Hyder, PLC...................    289,000          4,648
Imperial Chemical 
  Industries, PLC............     37,000            672
Imperial Tobacco Group.......    374,100          2,696
Inchcape, PLC................    300,000          1,122
Lex Service..................    350,000          3,540
Lonrho.......................    243,625          1,756
Lucasvarity, PLC.............    610,000          2,726
Medeva, PLC..................  2,156,273          6,417
National Grid Group, PLC.....    255,000          1,646
National Power, PLC..........     50,000            487
National Westminster Bank,
  PLC........................    543,219         10,872
Northern Foods, PLC..........    500,000          1,852
Peninsular & Orient Steam
  Company....................    294,158          4,340
Pilkington, PLC..............        363              1
PowerGen, PLC................    310,400          4,193
Premier Farnell, PLC.........    287,200          1,723
Racal Electronics, PLC.......    390,404          2,170
Reckitt & Coleman, PLC.......    394,754          7,953
RMC Group....................    212,500          3,731
Rolls Royce, PLC.............    243,273          1,135
Royal & Sun Alliance
  Insurance Group............    313,400          3,500
Safeway, PLC.................    459,677          2,740
Salvesen (Christian), PLC....    502,977          1,051
Scapa Group..................    525,000          1,663
Shell Transportation &
  Trading, PLC...............    135,000          1,004
</TABLE>
 
                                       47
<PAGE>   49
AMR INVESTMENT SERVICES INTERNATIONAL EQUITY PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                Shares         Value
                               ---------    -----------
                                (dollars in thousands)
<S>                            <C>          <C>
Somerfield...................    308,000    $     1,742
Southern Electric, PLC.......    151,400          1,411
Storehouse...................    880,000          3,642
Tate & Lyle, PLC.............    764,000          6,132
Tesco, PLC...................    343,819          3,219
Thames Water Group, PLC......    189,800          3,094
Tomkins......................  1,205,668          7,096
Transport Development
  Group......................     28,260            135
Transport Development Group,
  "B" shares.................     50,000             28
Unilever, PLC................    522,900          5,569
Vickers......................    695,000          2,742
WPP Group, PLC...............  1,369,800          8,692
Wolseley.....................    483,300          3,390
                                            -----------
    TOTAL UNITED KINGDOM
      COMMON STOCKS..........                   241,628
                                            -----------
UNITED STATES - 22.54%
FOREIGN SECURITIES DENOMINATED IN U.S. DOLLARS - 1.83%
Cho Hung Bank GDR............    340,000            417
Dairy Farm International.....    908,000          1,162
G P Batteries International,
  Limited....................    137,000            379
Kookmin Bank GDR.............     84,797            561
Kookmin Bank GDR,
  Series "S".................     50,000            331
Jardine Matheson Holdings,
  Limited....................    871,000          3,676
Jardine Strategic............  1,824,000          4,742
New Holland NV...............     80,000          1,960
Nova Corporation.............    225,000          2,559
Sk Telecom, Limited..........    115,051            856
Stolt-Nielsen SA, "B"........     38,000            722
Telmex ADR...................     35,000          1,982
                                            -----------
TOTAL FOREIGN SECURITIES
      DENOMINATED IN U.S.
      DOLLARS................                    19,347
                                            -----------
</TABLE>
 
<TABLE>
<CAPTION>
                                  Par
                                Amount         Value
                               ---------    -----------
                                (dollars in thousands)
<S>                            <C>          <C>
</TABLE>
 
<TABLE>
<CAPTION>
                                  Par
                                Amount         Value
                               ---------    -----------
                                (dollars in thousands)
<S>                            <C>          <C>
UNITED STATES GOVERNMENT AND AGENCY OBLIGATIONS (NOTE
A) - 4.19%
FEDERAL HOME LOAN MORTGAGE CORPORATION - 1.94%
Discount Note, 5.41%,
  Due 6/12/1998..............  $   4,435    $     4,407
Discount Note, 5.41%,
  Due 6/15/1998..............      1,365          1,356
Discount Note, 5.39%,
  Due 6/18/1998..............        419            416
Discount Note, 5.40%,
  Due 7/15/1998..............     14,530         14,367
                                            -----------
    TOTAL FEDERAL HOME LOAN
      MORTGAGE CORPORATION...                    20,546
                                            -----------
FEDERAL NATIONAL MORTGAGE ASSOCIATION - 0.16%
5.40%, Due 5/15/1998.........        384            383
5.41%, Due 6/12/1998.........      1,267          1,259
                                            -----------
    TOTAL FEDERAL NATIONAL
      MORTGAGE ASSOCIATION...                     1,642
                                            -----------
U.S. TREASURY BILLS - 2.09%
Due 5/7/1998.................     13,275         13,264
Due 6/25/1998................      5,482          5,440
Due 7/23/1998................         77             76
Due 9/17/1998................      3,333          3,268
                                            -----------
    TOTAL U.S. TREASURY
      BILLS..................                    22,048
                                            -----------
    TOTAL UNITED STATES
      GOVERNMENT AND
      AGENCY OBLIGATIONS.....                    44,236
                                            -----------
SHORT-TERM INVESTMENTS (NOTE B) - 16.52%
AMR Investments Strategic
  Cash Business Trust........    174,553        174,553
                                            -----------
    TOTAL SHORT-TERM
      INVESTMENTS............                   174,553
                                            -----------
  TOTAL UNITED STATES........                   238,136
                                            -----------
TOTAL INVESTMENTS -
  114.21% (COST $989,636)....                 1,206,900
                                            -----------
LIABILITIES, NET OF OTHER
  ASSETS - (14.21%)..........                  (150,121)
                                            -----------
TOTAL NET ASSETS - 100%......               $ 1,056,779
                                            ===========
</TABLE>
 
                                       48
<PAGE>   50
AMR INVESTMENT SERVICES INTERNATIONAL EQUITY PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
Based on the cost of investments of $989,946 for federal income tax purposes at
April 30, 1998, the aggregate gross unrealized appreciation was $257,641, the
aggregate gross unrealized depreciation was $40,688, and the net unrealized
appreciation of investments was $216,953.
(A) Rates associated with United States Government Bonds represent yield to
maturity from time of purchase.
(B) Rates associated with short-term investments represent yield to maturity or
yield to next reset date.
 
ABBREVIATIONS:
 
AB - Company (Sweden)
ADR - American Depository Receipt (United States)
AG - Company (Austria, Germany, Switzerland)
AS - Company (Denmark, Norway, Sweden)
BHD - Berhard (Malaysia)
BR - Bearer (Spain, Switzerland)
CG - Company General (France)
GDR - Global Depository Receipt (United States)
NPV - No Par Value (Belgium)
NV - Company (Netherlands, United States)
OY - Company (Finland)
PLC - Public Limited Corporation (United Kingdom)
SA - Company (Belgium, France, Mexico, Spain, Switzerland, United States)
SPA - Company (Italy)
 
INDUSTRY DIVERSIFICATION
April 30, 1998
(Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                              Percent of
                                                              Net Assets
                                                              ----------
<S>                                                           <C>
Capital Goods...............................................      7.14%
Consumer Durables...........................................      4.11%
Consumer Non-Durables.......................................     20.20%
Energy......................................................     10.38%
Finance.....................................................     19.91%
Materials and Services......................................     22.94%
Technology..................................................      4.71%
Transportation..............................................      1.49%
Utilities...................................................      2.62%
Fixed-Income................................................      4.19%
Short-Term Investments......................................     16.52%
Other Assets (Liabilities)..................................    (14.21%)
                                                                ------
          NET ASSETS........................................    100.00%
                                                                ======
</TABLE>
 
                                       49
<PAGE>   51
 
AMR INVESTMENT SERVICES SHORT-TERM BOND PORTFOLIO
SCHEDULE OF INVESTMENTS
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                 Par
                                                                Amount       Value
                                                              ----------    --------
                                                              (dollars in thousands)
<S>                                                           <C>           <C>
U.S. TREASURY NOTES - 6.27%
7.50%, Due 2/15/2005........................................  $    1,000    $  1,098
6.125%, Due 8/15/2007.......................................       5,000       5,138
                                                                            --------
    TOTAL U.S. TREASURY NOTES...............................                   6,236
                                                                            --------
U.S. GOVERNMENT & AGENCY
  OBLIGATIONS - 24.38%
Federal Home Loan Mortgage Corporation, M H-1 A REMIC,
  10.15%, Due 4/15/2006.....................................          73          74
Federal National Mortgage Association, 9.85%, Due
  11/1/2018.................................................      12,870      14,567
Government National Mortgage Association, Pool #780173,
  9.50%, Due 12/15/2019.....................................       8,791       9,595
                                                                            --------
    TOTAL U.S. GOVERNMENT & AGENCY OBLIGATIONS..............                  24,236
                                                                            --------
CORPORATE OBLIGATIONS - 49.48%
FINANCIAL - 21.06%
Bear Stearns Company, Variable Rate, 5.59%, Due 7/10/2000...       5,000       4,987
Chrysler Finance Corporation, Variable Rate, 5.57%, Due
  7/17/2000.................................................       5,000       4,982
Ford Motor Credit Corporation, Variable Rate, 5.42%, Due
  8/7/2000..................................................       5,000       4,987
Merrill Lynch and Company, Variable Rate, 5.61%, Due
  6/27/2000.................................................       6,000       5,979
                                                                            --------
    TOTAL FINANCIAL.........................................                  20,935
                                                                            --------
INDUSTRIAL - 17.87%
Fort James Corporation, 8.375%, Due 11/15/2001..............       3,000       3,187
General Motors Corporation, 9.125%, Due 7/15/2001...........       4,000       4,352
Phillip Morris Companies, Incorporated 7.25%, Due
  1/15/2003.................................................       3,000       3,091
Pulte Corporation, 7.00%, Due 12/15/2003....................         750         765
Sears Roebuck & Company, MTN, 9.05%, Due 2/6/2012...........       1,000       1,236
Tandy Corporation, MTN,6.31%, Due 12/17/2001................       4,000       4,017
Weyerhaeuser Company, 9.05%, Due 2/1/2003...................       1,000       1,116
                                                                            --------
    TOTAL INDUSTRIAL........................................                  17,764
                                                                            --------
UTILITY - 7.21%
Puget Sound Power & Light Company, MTN, 6.50%, Due
  9/14/1999.................................................       3,000       3,023
Texas Utilities Electric Company
  9.50%, Due 8/1/1999.......................................       3,000       3,108
  7.375%, Due 8/1/2001......................................       1,000       1,034
                                                                            --------
    TOTAL UTILITY...........................................                   7,165
                                                                            --------
FOREIGN - 3.34%
Province of Quebec, 8.80%, Due 4/15/2003....................       3,000       3,326
                                                                            --------
    TOTAL FOREIGN...........................................                   3,326
                                                                            --------
    TOTAL CORPORATE OBLIGATIONS.............................                  49,190
                                                                            --------
ASSET-BACKED SECURITIES - 10.19%
Citibank Credit Card Master Trust, Series 1997 3-B, 6.989%,
  Due 2/10/2004.............................................       5,000       5,125
Saxon Asset Securities Trust, Series 1996-2A2, 6.475%, Due
  11/25/2020................................................       5,000       5,005
                                                                            --------
    TOTAL ASSET-BACKED SECURITIES...........................                  10,130
                                                                            --------
NON-AGENCY MORTGAGE BACKED OBLIGATIONS - 8.29%
Collateralized Mortgage Obligation Trust, 56 A, 9.00%, Due
  5/1/2014..................................................          64          65
Resolution Trust Corporation,
  1992-7 A3, 7.414%, Due 3/25/2022..........................       2,079       2,058
  1992-6 A3, 7.675%, Due 1/25/2026..........................       2,029       2,022
  1992-1 A1, 7.539%, Due 5/25/2028..........................       1,876       1,879
  1992-4 A2, 7,618%, Due 7/25/2028..........................       2,202       2,219
                                                                            --------
    TOTAL NON-AGENCY MORTGAGE BACKED OBLIGATIONS............                   8,243
                                                                            --------
</TABLE>
 
                                       50
<PAGE>   52
AMR INVESTMENT SERVICES SHORT-TERM BOND PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                 Par
                                                                Amount       Value
                                                              ----------    --------
                                                              (dollars in thousands)
<S>                                                           <C>           <C>
SHORT-TERM INVESTMENTS (NOTE A) - 1.66%
First Boston Treasury Tri-Party Repurchase Agreement, 5.45%,
  Due 5/1/1998 (Collateral held at The Chase Manhattan Bank,
  N.A., by 7.50% U.S. Treasury Note, Due 5/15/2002 -- Market
  Value -- $1,690)..........................................  $    1,649    $  1,649
                                                                            --------
    TOTAL SHORT-TERM INVESTMENTS............................                   1,649
                                                                            --------
TOTAL INVESTMENTS - 100.27% (COST $99,747)..................                  99,684
                                                                            --------
LIABILITIES, NET OF OTHER ASSETS - (0.27%)..................                    (273)
                                                                            --------
TOTAL NET ASSETS - 100%.....................................                $ 99,411
                                                                            ========
</TABLE>
 
- ---------------
 
Based on the cost of investments of $99,747 for federal income tax purposes at
April 30, 1998, the aggregate gross unrealized appreciation was $317, the
unrealized depreciation was $381, and the net unrealized depreciation of
investments was $64.
 
(A) Rates associated with short-term investments represent yield to maturity.
 
ABBREVIATIONS:
 
MTN - Medium-Term Note
REMIC - Real Estate Mortgage Investment Conduit
 
                                       51
<PAGE>   53
 
AMR INVESTMENT SERVICES MONEY MARKET PORTFOLIO
SCHEDULE OF INVESTMENTS
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                 Par
                                                                Amount        Value
                                                              ----------    ----------
                                                               (dollars in thousands)
<S>                                                           <C>           <C>
EURODOLLAR TIME DEPOSITS (NOTE A) - 2.47%
Skandinaviska Enskilda Banken, 5.531%, Due 5/1/1998.........  $   48,950    $   48,950
                                                                            ----------
    TOTAL EURODOLLAR TIME DEPOSITS..........................                    48,950
                                                                            ----------
CERTIFICATES OF DEPOSIT (NOTE A) - 33.36%
FOREIGN BANKS - 14.81%
Christiania Bank, Variable Rate, 5.627%, Due 6/29/1998......      93,000        93,000
Postipankki, Limited, New York, Variable Rate, 5.585%, Due
  10/28/1998 (Note C).......................................     100,000       100,000
Societe Generale, New York, Variable Rate, 5.587%, Due
  1/19/1999.................................................     100,000        99,965
                                                                            ----------
    TOTAL FOREIGN BANKS.....................................                   292,965
                                                                            ----------
DOMESTIC BANKS - 18.55%
Banco Popular de Puerto Rico, Variable Rate,
  5.644%, Due 6/15/1998.....................................      50,000        50,000
  5.656% Due 5/10/1999,.....................................      50,000        50,000
Comerica Bank, Detroit, 5.547%, Due 9/11/1998...............      95,000        94,978
CoreStates Bank N.A., Variable Rate, 5.627%, Due
  6/12/1998.................................................      25,000        25,000
Fleet Bank, 6.037%, Due 3/19/1999...........................      10,000        10,035
PNC Bank, N.A., 5.577%, Due 1/19/1999.......................     100,000        99,959
U.S. Bank, N.A., Variable Rate, 5.563%, Due 6/22/1998.......      37,200        37,197
                                                                            ----------
    TOTAL DOMESTIC BANKS....................................                   367,169
                                                                            ----------
    TOTAL CERTIFICATES OF DEPOSIT...........................                   660,134
                                                                            ----------
PROMISSORY NOTES (NOTES A AND C) - 26.78%
Combined Insurance, Variable Rate, 5.747%, Due 12/10/1998...      50,000        50,000
First Allmerica Financial Life Insurance Company, Variable
  Rate, Due 11/5/1998 (Note D)..............................      90,000        90,000
General American Life Insurance Company, 5.737%, Due
  11/20/1997................................................     110,000       110,000
Goldman Sachs Group L.P., Variable Rate,
  5.667%, Due 10/2/1998 (Note C)............................     100,000       100,000
  5.605%, Due 11/3/1998 (Note C)............................      10,000        10,000
Jackson National Life Insurance Company, 5.696%, Due
  9/1/1998 (Note C).........................................     100,000       100,000
Security Life of Denver, 5.737%, Due 3/24/1999..............      40,000        40,000
Transamerica Life & Annuity Insurance Company, 5.656%, Due
  5/13/1999.................................................      30,000        30,000
                                                                            ----------
    TOTAL PROMISSORY NOTES..................................                   530,000
                                                                            ----------
COMMERCIAL PAPER (NOTE A) - 3.03%
Bankers Trust New York Corporation, Variable Rate, 5.669%,
  Due 7/30/1998.............................................      60,000        60,000
                                                                            ----------
    TOTAL COMMERCIAL PAPER..................................                    60,000
                                                                            ----------
VARIABLE RATE MEDIUM-TERM NOTES (NOTE A) - 32.67%
American Honda Finance Corporation, 144A, (Note E) 5.667%,
  Due 4/16/1999.............................................      95,000        95,000
Bankers Trust New York Corporation, 5.605%, Due 2/19/1999...      40,000        39,997
Bear Stearns Companies, Incorporated, 5.975%, Due
  5/15/1998.................................................       8,000         8,001
Fleet Mortgage Group, Incorporated, 5.875%, Due 7/27/1998...      22,500        22,512
General Motors Acceptance Corporation, 5.702%, Due
  2/2/2000..................................................     115,000       115,000
International Business Machines Corporation, 5.547%, Due
  4/5/1999..................................................      88,000        87,953
Lehman Brothers Holdings, Incorporated, 5.697%, Due
  1/20/1999.................................................     100,000       100,000
Merrill Lynch and Company, Incorporated,
  5.904%, Due 5/19/1998.....................................      25,000        25,039
  5.825%, Due 2/5/1999......................................      15,000        15,030
Morgan Stanley Group, Incorporated, 5.904%, Due 3/1/1999....       6,000         6,015
NationsBank, 5.784%, Due 12/18/1998.........................      32,000        32,041
Sanwa Business Credit Corporation, 144A, (Note E) 5.756%,
  Due 5/14/1999.............................................     100,000       100,000
                                                                            ----------
    TOTAL VARIABLE RATE MEDIUM-TERM NOTES...................                   646,553
                                                                            ----------
</TABLE>
 
                             See accompanying notes
                                       52
<PAGE>   54
AMR INVESTMENT SERVICES MONEY MARKET PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                 Par
                                                                Amount        Value
                                                              ----------    ----------
                                                               (dollars in thousands)
<S>                                                           <C>           <C>
REPURCHASE AGREEMENTS (NOTES A AND B) - 0.39%
Goldman Sachs Tri-Party Government Repurchase Agreement,
  5.35%, Due 5/1/1998, (Collateral held at The Bank of New
  York Company, Incorporated by Federal Home Loan Mortgage
  Corporation 6.62%, Due 3/17/2008 through Federal Home Loan
  Mortgage Corporation 6.20%, Due 9/8/2008 -- Market Value
  $7,804)...................................................  $    7,650    $    7,650
                                                                            ----------
    TOTAL REPURCHASE AGREEMENTS.............................                     7,650
                                                                            ----------
TOTAL INVESTMENTS - 98.70% (COST $1,953,287)................                 1,953,287
                                                                            ----------
OTHER ASSETS, NET OF LIABILITIES - 1.30%....................                    25,695
                                                                            ----------
TOTAL NET ASSETS - 100%.....................................                $1,978,982
                                                                            ==========
</TABLE>
 
- ---------------
 
Based on the cost of investments of $1,953,287 for federal income tax purposes
at April 30, 1998, there was no unrealized appreciation or depreciation of
investments.
 
(A) Rates associated with money market securities represent yield to maturity or
yield to next reset date.
 
(B) Repurchase agreements are fully collateralized by U.S. Treasury or
    Government agency securities. All collateral is held at the Portfolio's
    custodian bank, State Street Bank and Trust Company, or at subcustodian
    banks, as indicated. The collateral is monitored daily by the Portfolio so
    that its market value exceeds the carrying value of the repurchase
    agreement.
 
(C) Obligation is subject to an unconditional put back to the issuer with seven
calendar days notice.
 
(D) Obligation is subject to an unconditional put back to the issuer with ninety
calendar days notice.
 
(E) Security exempt from registration under Rule 144A of the Securities Act of
    1933. These securities may be resold in transactions exempt from
    registration, normally to qualified institutional buyers. At the period end,
    the value of these securities amounted to $195,000,000 or 9.9% of net
    assets.
 
ABBREVIATION:
 
L.P. - Limited Partnership
 
                             See accompanying notes
                                       53
<PAGE>   55
 
AMR INVESTMENT SERVICES MUNICIPAL MONEY MARKET PORTFOLIO
SCHEDULE OF INVESTMENTS
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                Par
                                                               Amount        Value
                                                              --------    -----------
                                                              (dollars in thousands)
<S>                                                           <C>         <C>
MUNICIPAL OBLIGATIONS - 94.64%
COMMERCIAL PAPER (NOTE A) - 15.00%
Brazos River, Texas Pollution Control Revenue Refunding
  Bonds (Texas Utilities Electric Company), Series 1995A,
  3.65%, Due 7/6/1998, LOC Canadian Imperial Bank of
  Commerce..................................................  $ 2,200     $    2,200
Carbon County, Pennsylvania Industrial Development Authority
  Resource Recovery Bonds (Panther Creek Project), Series
  1991A, 3.65%, Due 7/6/1998, LOC National Westminster Bank,
  PLC.......................................................    2,500          2,500
City of Burlington, Kansas Customized Purchase Pollution
  Control Refunding and Improvement Revenue Bonds, Series
  1985B, 3.50%, Due 8/14/1998, matures 9/1/2015, LOC Societe
  Generale..................................................    1,600          1,600
Missouri State Environmental Improvement and Energy Resource
  Authority Pollution Control Revenue Bonds (Union Electric
  Company Project) Series 1985A, 3.45%, Due 8/6/1998, LOC
  Union Bank of Switzerland.................................    6,000          6,000
Montgomery County, Pennsylvania Industrial Development
  Pollution Control Revenue Bonds (Peco Energy Company),
  Series 1996, 3.70%, Due 10/16/1998, LOC Canadian Imperial
  Bank of Commerce..........................................    3,000          3,000
Sweetwater County, Wyoming Customized Pollution Control
  Revenue Refunding Bonds (Pacificorp Project), Series
  1988A, 3.60%, Due 8/11/1998, LOC Union Bank of
  Switzerland...............................................    3,000          3,000
Toledo-Lucas County, Ohio Port Facility Refunding Revenue
  Bonds (CSX Transportation, Incorporated), Series 1992,
  3.80%, Due 8/6/1998, LOC Bank of Nova Scotia..............    1,200          1,200
West Virginia Public Energy Authority Revenue Bonds
  (Morgantown Association Project), Series 1989, 3.60%, Due
  7/28/1998, LOC Swiss Bank.................................    1,000          1,000
                                                                          ----------
    TOTAL COMMERCIAL PAPER..................................                  20,500
                                                                          ----------
VARIABLE RATE DEMAND OBLIGATIONS
  (NOTE A) - 79.64%
ARIZONA - 3.72%
Apache County, Arizona Industrial Development Authority
  Pollution Control Revenue (Tucson Electric Power Company),
  Series 1981B, 4.45%, Due 10/1/2021, LOC Bank of
  Tokyo-Mitsubishi, Limited.................................    2,400          2,400
Maricopa County, Arizona Pollution Control Corporation
  (Arizona Public Service Company), Series E, 4.20%, Due
  5/1/2029, LOC Bank of America.............................    1,200          1,200
Pima County, Arizona Revenue Refunding Bonds Industrial
  Development Authority (County of Tucson Retirement
  Project), 4.10%, Due 1/1/2009, LOC Morgan Guaranty Trust
  Company...................................................      800            800
                                                                          ----------
    TOTAL ARIZONA...........................................                   4,400
                                                                          ----------
CALIFORNIA - 9.48%
California Pollution Control Finance Authority Control
  Resource Recovery Revenue Bonds (Wadham Energy LP), Series
  1987A, 4.75%, Due 11/1/2017, LOC Banque Paribas...........    3,800          3,800
California Pollution Control Finance Authority Revenue Bonds
  (Pacific Gas & Electric Company), Series C, 4.00%, Due
  11/1/2026, LOC Bank of America............................    3,000          3,000
California Statewide Communities Development Corporation
  Revenue Watt Four LLC-C, 3.50%, Due 5/1/2022, LOC Sanwa
  Bank, Limited.............................................    1,400          1,400
Union City, California Multifamily Revenue Refunding Housing
  Authority (Skylark Apartments Project), Series 1989B,
  4.50%, Due 11/1/2007, LOC Sumitomo Bank, Limited..........    3,000          3,000
                                                                          ----------
    TOTAL CALIFORNIA........................................                  11,200
                                                                          ----------
COLORADO - 1.61%
Moffat County Pollution Control Revenue (Ute Electric
  Company Project), Bond Insurance - AMBAC Indemnity
  Corporation, Series 1984, 4.10%, due 7/1/2010, SPA Societe
  Generale..................................................    1,900          1,900
                                                                          ----------
    TOTAL COLORADO..........................................                   1,900
                                                                          ----------
CONNECTICUT - 3.39%
Connecticut State Health and Education Facilities Authority
  Revenue (Edgehill Project), Series 1997B, 4.05%, Due
  7/1/2004, LOC Banque Paribas..............................    4,000          4,000
                                                                          ----------
    TOTAL CONNECTICUT.......................................                   4,000
                                                                          ----------
</TABLE>
 
                             See accompanying notes
                                       54
<PAGE>   56
AMR INVESTMENT SERVICES MUNICIPAL MONEY MARKET PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                Par
                                                               Amount        Value
                                                              --------    -----------
                                                              (dollars in thousands)
<S>                                                           <C>         <C>
DISTRICT OF COLUMBIA - 1.72%
District of Columbia General Obligation Bonds Ad Valorem
  Property Tax, 4.35%, Due 10/1/2009, LOC Bank of Nova
  Scotia....................................................  $   500     $      500
District of Columbia University Revenue Bonds, Series 1988B,
  4.05%, Due 4/1/2017, LOC Bayerische Landesbank
  Girozentrale..............................................    1,535          1,535
                                                                          ----------
    TOTAL DISTRICT OF COLUMBIA..............................                   2,035
                                                                          ----------
FLORIDA - 0.93%
Dade County, Florida Capital Asset Acquisition Special
  Obligation Bonds, Series 1990, 4.65%, Due 10/1/2010, LOC
  Sanwa Bank, Limited.......................................    1,100          1,100
                                                                          ----------
    TOTAL FLORIDA...........................................                   1,100
                                                                          ----------
GEORGIA - 10.32%
Athens-Clarke County Georgia Industrial Development
  Authority (Nakanishi Manufacturing Corporation Project),
  5.025%, Due 5/1/2008, LOC Sumitomo Bank, Limited..........    2,000          2,000
Clayton County, Georgia Housing Authority (Chateau Forest
  Apartments), Series E, Bond Insurance - Financial Security
  Assurance, 4.05%, Due 1/1/2021, SPA Barclays Bank, PLC....    5,000          5,000
Industrial Development Authority of Cartersville (Sekisui
  Jushi America, Incorporated Project), Series 1992, 4.95%,
  Due 6/1/2012, LOC Sanwa Bank, Limited.....................    1,700          1,700
Thomaston-Upson County Industrial Development Revenue
  Authority (Yamaha Music Manufacturing, Incorporated
  Project), Series 1988, 4.95%, Due 8/1/2018, LOC Bank of
  Tokyo-Mitsubishi, Limited.................................    3,500          3,500
                                                                          ----------
    TOTAL GEORGIA...........................................                  12,200
                                                                          ----------
ILLINOIS - 2.73%
Illinois Development Finance Authority (Illinois Power
  Project), Series 1987B, 4.70%, Due 3/1/2017, LOC Bank of
  Tokyo-Mitsubishi, Limited.................................      900            900
Illinois Health Facilities Authority (Loyola University
  Health System B Revenue Bonds), Bond Insurance - MBIA,
  4.00%, Due 7/1/2024, SPA Credit Suisse....................    1,900          1,900
Oswego, Illinois Industrial Development Revenue Bonds
  (Griffith Laboratories World Wide, Incorporated Project),
  Series 1995, 4.25%, Due 7/1/2025, LOC ABN AMRO Bank,
  N.V.......................................................      430            430
                                                                          ----------
    TOTAL ILLINOIS..........................................                   3,230
                                                                          ----------
INDIANA - 1.23%
Fort Wayne Industrial Economic Development Revenue Bonds
  (ND-Tech Corporation Project), Series 1989, 4.30%, Due
  7/1/2009, LOC Societe Generale............................    1,000          1,000
Princeton Industrial Development Revenue Bonds (Orion
  Electric America, Incorporated Project), Series 1987,
  4.50%, Due 4/30/2017, LOC Bank of Tokyo-Mitsubishi,
  Limited...................................................      455            455
                                                                          ----------
    TOTAL INDIANA...........................................                   1,455
                                                                          ----------
IOWA - 1.73%
Dubuque, Iowa Industrial Development Revenue Bonds (Swiss
  Valley Farms Company Project), Series 1987, 4.15%, Due
  12/1/2001, LOC Rabobank Nederland.........................    1,150          1,150
Polk County, Iowa Hospital Equipment and Improvement, Bond
  Insurance - MBIA, 4.05%, Due 12/1/2005, SPA Bank of New
  York Company, Incorporated................................      900            900
                                                                          ----------
    TOTAL IOWA..............................................                   2,050
                                                                          ----------
KENTUCKY - 1.18%
Hopkinsville Industrial Development Revenue Bonds (American
  Precision Machinery, Incorporated Project), Series 1990,
  4.65%, Due 5/1/2000, LOC Bank of Tokyo-Mitsubishi,
  Limited...................................................    1,400          1,400
                                                                          ----------
    TOTAL KENTUCKY..........................................                   1,400
                                                                          ----------
LOUISIANA - 1.84%
Jefferson Parish Louisiana Hospital District #1 (West
  Jefferson Medical Center Project), Series 1986, 4.05%, Due
  1/1/2026, LOC Rabobank Nederland..........................    1,185          1,185
</TABLE>
 
                             See accompanying notes
                                       55
<PAGE>   57
AMR INVESTMENT SERVICES MUNICIPAL MONEY MARKET PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                Par
                                                               Amount        Value
                                                              --------    -----------
                                                              (dollars in thousands)
<S>                                                           <C>         <C>
Louisiana Public Facilities Finance Authority (College &
  University Equipment and Capital Facilities Revenue
  Bonds), Bond Insurance - FGIC, Series 1985, 4.05%, Due
  9/1/2010, LOC Societe Generale............................  $   985     $      985
                                                                          ----------
    TOTAL LOUISIANA.........................................                   2,170
                                                                          ----------
MASSACHUSETTS - 0.34%
Massachusetts State Health & Education Facilities Authority
  Revenue Bonds - (Capital Asset Program A) 3.85%, Due
  1/1/2001, LOC First Chicago NBD...........................      400            400
                                                                          ----------
    TOTAL MASSACHUSETTS.....................................                     400
                                                                          ----------
MISSOURI - 4.65%
Missouri Higher Education Loan Authority Revenue Bonds,
  Series 1988A, 4.20%, Due 6/1/2017, LOC National
  Westminster Bank, PLC.....................................    5,500          5,500
                                                                          ----------
    TOTAL MISSOURI..........................................                   5,500
                                                                          ----------
NEBRASKA - 0.85%
Lancaster County, Nebraska Industrial Revenue Bonds
  (Sun-Husker Foods, Incorporated Project), Series 1989,
  4.95%, Due 8/15/2009, LOC Bank of Tokyo-Mitsubishi,
  Limited...................................................    1,000          1,000
                                                                          ----------
    TOTAL NEBRASKA..........................................                   1,000
                                                                          ----------
NEW HAMPSHIRE - 0.42%
Industrial Development Authority of the State of New
  Hampshire (The Conn Light and Power Project), Series 1988,
  4.20%, Due 8/1/2018, LOC Union Bank of Switzerland........      500            500
                                                                          ----------
    TOTAL NEW HAMPSHIRE.....................................                     500
                                                                          ----------
NEW JERSEY - 2.48%
New Jersey Health Care Facilities Financing Authority
  Revenue Bonds(Carrier Foundation Project), Bond
  Insurance - FGIC, Series 1985C, 4.30%, Due 7/1/2005, SPA
  Banque Paribas............................................    2,935          2,935
                                                                          ----------
    TOTAL NEW JERSEY........................................                   2,935
                                                                          ----------
NEW MEXICO - 1.61%
Albuquerque, New Mexico Gross Receipts Revenue Bonds, Series
  A, 4.05%, Due 7/1/2022, LOC Canadian Imperial Bank of
  Commerce..................................................    1,900          1,900
                                                                          ----------
    TOTAL NEW MEXICO........................................                   1,900
                                                                          ----------
NEW YORK - 1.99%
New York, New York General Obligation Bonds, Series 1993B-4,
  4.25%, Due 8/15/2023, LOC Union Bank of Switzerland.......      600            600
New York City Municipal Water Finance Authority Water &
  Sewer Systems, Bond Insurance - Securities Purchasing,
  Inc., Series 1995A, 4.25%, Due 6/15/2025, SPA FGIC........      500            500
New York State Local Government Assistance Corporation,
  Series 1995 D, 3.90%, Due 4/1/2025, LOC Societe
  Generale..................................................    1,050          1,050
New York City, General Obligation Bonds, Series 1994 B-4,
  4.25%, Due 8/15/2021, LOC Union Bank of Switzerland.......      200            200
                                                                          ----------
    TOTAL NEW YORK..........................................                   2,350
                                                                          ----------
NORTH CAROLINA - 2.71%
Wake County, North Carolina Industrial Facilities &
  Pollution Control Financing Authority Revenue Bonds,
  4.50%, Due 3/1/2017, LOC Sumitomo Bank, Limited...........    3,200          3,200
                                                                          ----------
    TOTAL NORTH CAROLINA....................................                   3,200
                                                                          ----------
OREGON - 2.54%
State of Oregon (Toyo Tanso USA), Series CXLVII, 4.775%, Due
  2/1/2012, LOC Bank of Tokyo - Mitsubishi, Limited.........    3,000          3,000
                                                                          ----------
    TOTAL OREGON............................................                   3,000
                                                                          ----------
PENNSYLVANIA - 8.93%
Cambria County Industrial Development Authority Resource
  Recovery Revenue Bonds(Cambria Cogen Company Project),
  Series 1989 V-1, 4.15%, Due 9/1/2019, LOC ABN AMRO Bank,
  N.V.,.....................................................    1,000          1,000
</TABLE>
 
                             See accompanying notes
                                       56
<PAGE>   58
AMR INVESTMENT SERVICES MUNICIPAL MONEY MARKET PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                Par
                                                               Amount        Value
                                                              --------    -----------
                                                              (dollars in thousands)
<S>                                                           <C>         <C>
Cambria County Industrial Development Authority Resource
  Recovery Revenue Bonds(Cambria Cogen Company Project),
  Series 1989 V-2, 4.15%, Due 9/1/2019, LOC ABN AMRO Bank,
  N.V.,.....................................................  $   900     $      900
Cambria County Industrial Development Authority Resource
  Recovery Revenue Bonds (Cambria Cogen Company Project),
  Series 1991 V-1, 4.15%, Due 9/1/2019, LOC ABN AMRO Bank,
  N.V.......................................................    2,250          2,250
Gettysburg Area Industrial Development Authority Industrial
  Development Refunding Bonds (Dal-Tile Corporation), Series
  1987B, 4.20%, Due 3/1/2004, LOC Credit Suisse.............    1,370          1,370
Northumberland County Industrial Development Authority
  Resource Recovery Revenue Bonds (Foster Wheeler Mt.
  Carmel, Incorporated Project), Series 1987A, 4.15%, Due
  2/1/2010, LOC Union Bank of Switzerland...................    1,000          1,000
Northumberland County Industrial Development Authority
  Resource Recovery Revenue Bonds (Foster Wheeler Mt.
  Carmel, Incorporated Project), Series 1987B, 4.15%, Due
  2/1/2010, LOC Union Bank of Switzerland...................      830            830
Schuykill County, Pennsylvania Industrial Development
  Authority Revenue Bonds, 4.05%, Due 12/1/2002, LOC Mellon
  Bank, N.A.................................................    3,200          3,200
                                                                          ----------
    TOTAL PENNSYLVANIA......................................                  10,550
                                                                          ----------
SOUTH CAROLINA - 0.85%
Charleston County, South Carolina Industrial Revenue
  Development Bonds (Zeigler Coal Holding Company), 4.35%,
  Due 8/1/2028, LOC Bank of America.........................    1,000          1,000
                                                                          ----------
    TOTAL SOUTH CAROLINA....................................                   1,000
                                                                          ----------
TENNESSEE - 1.78%
Covington, Tennessee Industrial Development Board Industrial
  Development Revenue Bonds (Charms Company Project), Series
  1992, 4.30%, Due 6/1/2027, LOC Societe Generale...........      300            300
Rutherford County, Tennessee (Outboard Marine Project),
  Series 1987, 4.30%, Due 10/1/2007, LOC First Chicago NBD
  Corporation...............................................    1,800          1,800
                                                                          ----------
    TOTAL TENNESSEE.........................................                   2,100
                                                                          ----------
TEXAS - 3.39%
Texas Small Business Industrial Development Corporation
  Revenue Bond (Texas Public Facilities Capital Access),
  4.10%, Due 7/1/2026, LOC National Westminster Bank, PLC...    4,000          4,000
                                                                          ----------
    TOTAL TEXAS.............................................                   4,000
                                                                          ----------
UTAH - 3.39%
Utah State Board of Regents Student Loan Revenue Bonds, Bond
  Insurance-AMBAC Indemnity Corporation, Series 1988C,
  4.20%, Due 11/1/2013 SPA Dresdner Bank AG.................    1,000          1,000
Utah Student Board of Regents Student Loan Revenue Bonds,
  Bond Insurance-AMBAC Indemnity Corporation, Series B,
  4.10%, Due 11/1/2000, SPA Dresdner Bank AG................    3,000          3,000
                                                                          ----------
    TOTAL UTAH..............................................                   4,000
                                                                          ----------
VERMONT - 0.42%
Vermont Industrial Development Authority (Ryegate Project),
  Series 1990, 4.25%, Due 12/1/2015, LOC ABN AMRO Bank,
  N.V.......................................................      500            500
                                                                          ----------
    TOTAL VERMONT...........................................                     500
                                                                          ----------
VIRGINIA - 0.17%
Virginia Housing Development Authority (AHC Service
  Corporation), Series 1987A, 4.45%, Due 9/1/2017, LOC Bank
  of Tokyo-Mitsubishi, Limited..............................      200            200
                                                                          ----------
    TOTAL VIRGINIA..........................................                     200
                                                                          ----------
WASHINGTON - 8.11%
Pierce County, Washington Economic Development Corporation
  Dock & Warf Facilities Revenue Bonds (SCS Industries
  Project), Series 1995, 4.30%, Due 7/1/2030, LOC Bank of
  Nova Scotia...............................................    3,585          3,585
Washington State Public Power Supply System Refund Electric
  Revenue Bonds (Nuclear Project #1), Bond Insurance-AMBAC
  Indemnity Corporation, Series CMC2, 4.25%, Due 7/1/2007,
  SPA The Chase Manhattan Bank..............................    2,000          2,000
Washington State Public Power Supply System, Refunding
  Electric Revenue Bonds, 4.25%, Due 7/1/2018, LOC Bank of
  America...................................................    4,000          4,000
                                                                          ----------
    TOTAL WASHINGTON........................................                   9,585
                                                                          ----------
</TABLE>
 
                             See accompanying notes
                                       57
<PAGE>   59
AMR INVESTMENT SERVICES MUNICIPAL MONEY MARKET PORTFOLIO
SCHEDULE OF INVESTMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                Par
                                                               Amount        Value
                                                              --------    -----------
                                                              (dollars in thousands)
<S>                                                           <C>         <C>
WEST VIRGINIA - 0.94%
Marion County, West Virginia Solid Waste Disposal Facility
  (Grant Town Cogeneration Project), Series 1990B, 4.20%,
  Due 10/1/2017, LOC National Westminster Bank, PLC.........  $   115     $      115
Marion County, West Virginia Solid Waste Disposal Facility
  (Grant Town Cogeneration Project), Series 1990C, 4.20%,
  Due 10/1/2017, LOC National Westminster Bank, PLC.........    1,000          1,000
                                                                          ----------
    TOTAL WEST VIRGINIA.....................................                   1,115
                                                                          ----------
    TOTAL VARIABLE RATE DEMAND OBLIGATIONS..................                 100,975
                                                                          ----------
    TOTAL MUNICIPAL OBLIGATIONS.............................                 121,475
                                                                          ----------
OTHER INVESTMENTS - 1.73%
Alliance Capital Management Institutional Reserves Tax-Free
  Portfolio (#38)...........................................    1,450          1,450
Provident Institutional Funds Municipal Cash Fund...........      589            589
                                                                          ----------
    TOTAL OTHER INVESTMENTS.................................                   2,039
                                                                          ----------
TOTAL INVESTMENTS - 104.53% (COST $123,514).................                 123,514
                                                                          ----------
LIABILITIES, NET OF OTHER ASSETS - (4.53%)..................                  (5,349)
                                                                          ----------
TOTAL NET ASSETS - 100%.....................................              $  118,165
                                                                          ==========
</TABLE>
 
- ---------------
 
Based on the cost of investments of $123,514 for federal income tax purposes at
April 30, 1998, there was no unrealized appreciation or depreciation of
investments.
 
(A) Rates associated with money market securities represent yield to maturity or
yield to next reset date.
 
ABBREVIATIONS:
 
AG - Company
FGIC - Financial Guaranty Insurance Company
LOC - Letter of Credit
MBIA - Municipal Bond Investors Assurance
NV - Company
PLC - Public Limited Corporation
SPA - Support Agreement
 
                             See accompanying notes
                                       58
<PAGE>   60
 
AMR INVESTMENT SERVICES U.S. GOVERNMENT MONEY MARKET PORTFOLIO
SCHEDULE OF INVESTMENTS
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                Par
                                                               Amount        Value
                                                              --------     ---------
                                                              (dollars in thousands)
<S>                                                           <C>          <C>
U.S. GOVERNMENT REPURCHASE AGREEMENTS (NOTES A AND B) - 28.13%
Merrill Lynch & Company, Incorporated Tri-Party Government
  Repurchase Agreement, 5.50%, Due 5/1/1998 (Collateral held
  at The Chase Manhattan Bank, N.A. by Federal Home Loan
  Mortgage Corporation 7.00%, Due 10/1/2009 through Federal
  National Mortgage Association 6.50%, Due
  4/1/2028 -- Market Value $19,607).........................  $19,222      $ 19,222
Goldman Sachs Tri-Party Government Repurchase Agreement,
  5.54%, Due 5/1/1998 (Collateral held at The Bank of New
  York Company, Incorporated by Federal Home Loan Mortgage
  Corporation 6.00%, Due 9/1/1998 through Federal Home Loan
  Mortgage Corporation 7.00%, Due 2/1/2028 -- Market Value
  $30,429)..................................................   30,000        30,000
                                                                           --------
    TOTAL U.S. GOVERNMENT REPURCHASE AGREEMENTS.............                 49,222
                                                                           --------
U.S. GOVERNMENT AGENCY INSTRUMENTS (NOTE A) - 71.40%
Federal Home Loan Bank Variable Rate, 5.428%, Due
  7/7/1998..................................................   50,000        49,992
Federal National Mortgage Association, Variable Rate,
  5.432%, Due 9/10/1998.....................................   25,000        24,993
Federal National Mortgage Associate, Variable Rate, 5.395%,
  Due 2/19/1999.............................................   50,000        49,976
                                                                           --------
    TOTAL U.S. GOVERNMENT AGENCY INSTRUMENTS................                124,961
                                                                           --------
TOTAL INVESTMENTS - 99.53% (COST - $174,183)................                174,183
                                                                           --------
OTHER ASSETS, NET OF LIABILITIES - 0.47%....................                    831
                                                                           --------
TOTAL NET ASSETS - 100%.....................................               $175,014
                                                                           ========
 
</TABLE>
 
- ---------------
 
Based on the cost of investments of $174,183 for federal income tax purposes at
April 30, 1998, there was no unrealized appreciation or depreciation of
investments.
 
(A) Rates associated with money market securities represent yield to maturity,
    or yield to next reset date.
 
(B) Repurchase agreements are fully collateralized by U.S. Treasury or
    Government agency securities. All collateral is held at the Portfolio's
    custodian bank, State Street Bank and Trust Company, or at subcustodian
    banks, as indicated. The collateral is monitored daily by the Portfolio so
    that its market value exceeds the carrying value of the repurchase
    agreement.
 
                             See accompanying notes
                                       59
<PAGE>   61
 
AMR INVESTMENT SERVICES TRUST PORTFOLIOS
STATEMENTS OF ASSETS AND LIABILITIES
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                                 Short-
                                                                 Growth and    Intermediate    International      Term
                                                    Balanced       Income          Bond           Equity          Bond
                                                   ----------    ----------    ------------    -------------    --------
                                                                              (in thousands)
<S>                                                <C>           <C>           <C>             <C>              <C>
ASSETS:
    Investments in securities at value (cost -
      $1,056,357; $1,609,517; $258,980; $989,636;
      $99,747, respectively)*....................  $1,264,276    $2,205,597      $259,875       $1,206,900      $ 99,684
    Cash, including foreign currency.............           -         4,936             -           39,405             -
    Unrealized appreciation on foreign currency
      contracts..................................           -             -             -              149             -
    Dividends and interest receivable............       7,904         2,859         2,892            4,734         1,285
    Reclaims receivable..........................           -             -             -              378             -
    Receivable for investments sold..............      11,324         5,737             -            1,683             -
    Deferred organization costs, net.............           5             5            24                5             5
    Other assets.................................           -             -            17                -             -
                                                   ----------    ----------      --------       ----------      --------
        TOTAL ASSETS.............................   1,283,509     2,219,134       262,808        1,253,254       100,974
                                                   ----------    ----------      --------       ----------      --------
LIABILITIES:
    Payable for investments purchased............       9,811         2,587             -           20,375             -
    Payable upon return of securities loaned.....     188,674       131,834        36,382          174,553             -
    Management and investment advisory fees
      payable (Note 2)...........................         860         1,672            32            1,415            20
    Accrued organization costs...................          33            33            26               33            33
    Other liabilities............................       1,162           170           978              471         1,510
                                                   ----------    ----------      --------       ----------      --------
        TOTAL LIABILITIES........................     200,540       136,296        37,418          196,847         1,563
                                                   ----------    ----------      --------       ----------      --------
NET ASSETS APPLICABLE TO INVESTORS' BENEFICIAL
  INTERESTS......................................  $1,082,969    $2,082,838      $225,390       $1,056,407      $ 99,411
                                                   ==========    ==========      ========       ==========      ========
</TABLE>
 
* Includes repurchase agreements of $5,523 and $1,649 for the Intermediate Bond
  Portfolio and Short-Term Bond Portfolio, respectively.
 
                             See accompanying notes
 
                                       60
<PAGE>   62
 
AMR INVESTMENT SERVICES TRUST PORTFOLIOS
STATEMENTS OF ASSETS AND LIABILITIES -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                Money        Municipal      U.S. Government
                                                                Market      Money Market     Money Market
                                                              ----------    ------------    ---------------
                                                                             (in thousands)
<S>                                                           <C>           <C>             <C>
ASSETS:
    Investments in securities at value (cost - $1,953,287;
      $123,514; $174,183, respectively)*....................  $1,953,287      $123,514         $174,183
    Cash....................................................      11,965             -                -
    Dividends and interest receivable.......................      14,066           560              917
    Receivable for investments sold.........................           -         2,300                -
    Deferred organization costs, net........................           5             4                4
                                                              ----------      --------         --------
        TOTAL ASSETS........................................   1,979,323       126,378          175,104
                                                              ----------      --------         --------
LIABILITIES:
    Payable for investments purchased.......................           -         3,006                -
    Management and investment advisory fees payable (Note
      2)....................................................         238            14               22
    Accrued organization costs..............................          33            33               33
    Other liabilities.......................................          70         5,160               35
                                                              ----------      --------         --------
        TOTAL LIABILITIES...................................         341         8,213               90
                                                              ----------      --------         --------
NET ASSETS APPLICABLE TO INVESTORS' BENEFICIAL INTERESTS....  $1,978,982      $118,165         $175,014
                                                              ==========      ========         ========
</TABLE>
 
- ---------------
 
* Includes repurchase agreements of $7,650, $49,222 for the Money Market and
  U.S. Government Money Market Portfolios, respectively.
 
                             See accompanying notes
 
                                       61
<PAGE>   63
 
AMR INVESTMENT SERVICES TRUST PORTFOLIOS
STATEMENTS OF OPERATIONS
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                  Growth and    Intermediate   International    Short-Term
                                                    Balanced        Income          Bond          Equity           Bond
                                                  ------------   ------------   ------------   -------------   ------------
                                                                               (in thousands)
<S>                                               <C>            <C>            <C>            <C>             <C>
INVESTMENT INCOME:
    Interest income.............................    $ 13,817       $  1,256        $6,687        $  1,478         $3,434
    Dividend income (net of foreign taxes of
      $900 in International Equity Portfolio)...       6,727         20,564             -           9,659              -
    Income derived from securities lending,
      net.......................................         100            106             -              96              7
                                                    --------       --------        ------        --------         ------
        TOTAL INVESTMENT INCOME.................      20,644         21,926         6,687          11,233          3,441
                                                    --------       --------        ------        --------         ------
EXPENSES:
    Management and investment advisory fees
      (Note 2)..................................       1,489          2,763           254           1,899            119
    Custodian fees..............................          56             64            26             356              9
    Professional fees...........................          21             23             6              18              6
    Other expenses..............................          76            136            12             197             26
                                                    --------       --------        ------        --------         ------
        TOTAL EXPENSES..........................       1,642          2,986           298           2,470            160
                                                    --------       --------        ------        --------         ------
NET INVESTMENT INCOME...........................      19,002         18,940         6,389           8,763          3,281
                                                    --------       --------        ------        --------         ------
REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS:
    Net realized gain (loss) on investments.....      40,130         79,804         2,422          20,202           (203)
    Net realized loss on foreign currency
      transactions..............................           -              -             -          (3,382)             -
    Change in net unrealized appreciation or
      depreciation of investments...............      55,236        196,590          (977)        121,521             63
    Change in net unrealized depreciation of
      foreign currency contracts and
      translations..............................           -              -             -         (15,024)             -
                                                    --------       --------        ------        --------         ------
        NET GAIN (LOSS) ON INVESTMENTS..........      95,366        276,394         1,445         123,317           (140)
                                                    --------       --------        ------        --------         ------
NET INCREASE IN NET ASSETS RESULTING FROM
  OPERATIONS....................................    $114,368       $295,334        $7,834        $132,080         $3,141
                                                    ========       ========        ======        ========         ======
</TABLE>
 
                             See accompanying notes
 
                                       62
<PAGE>   64
 
AMR INVESTMENT SERVICES TRUST PORTFOLIOS
STATEMENTS OF OPERATIONS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                             U.S.
                                                               Money      Municipal       Government
                                                              Market     Money Market    Money Market
                                                              -------    ------------    ------------
                                                                  (in thousands, except share and
                                                                        per share amounts)
<S>                                                           <C>        <C>             <C>
INVESTMENT INCOME:
    Interest income.........................................  $59,552       $2,176          $4,209
                                                              -------       ------          ------
        TOTAL INVESTMENT INCOME.............................   59,552        2,176           4,209
                                                              -------       ------          ------
EXPENSES:
    Management and investment advisory fees (Note 2)........    1,547           81             111
    Custodian fees..........................................      114            6               8
    Professional fees.......................................       20            1               2
    Amortization of organization costs......................        -           14              13
    Other expenses..........................................       62           14               9
                                                              -------       ------          ------
        TOTAL EXPENSES......................................    1,743          116             143
                                                              -------       ------          ------
NET INVESTMENT INCOME.......................................   57,809        2,060           4,066
                                                              -------       ------          ------
REALIZED GAIN ON INVESTMENTS:
    Net realized gain on investments........................       45            -               -
                                                              -------       ------          ------
        NET GAIN ON INVESTMENTS.............................       45            -               -
                                                              -------       ------          ------
NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS........  $57,854       $2,060          $4,066
                                                              =======       ======          ======
</TABLE>
 
                             See accompanying notes
 
                                       63
<PAGE>   65
 
AMR INVESTMENT SERVICES TRUST PORTFOLIOS
STATEMENTS OF CHANGES IN NET ASSETS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                              Balanced                  Growth and Income              Intermediate Bond
                                    ----------------------------   ----------------------------   ----------------------------
                                                                                                  Six Months
                                      Six Months                     Six Months                      Ended
                                        Ended        Year Ended        Ended        Year Ended     April 30,    September 15,
                                    April 30, 1998   October 31,   April 30, 1998   October 31,      1998       to October 31,
                                     (Unaudited)        1997        (Unaudited)        1997       (Unaudited)        1997
                                    --------------   -----------   --------------   -----------   -----------   --------------
                                                                          (in thousands)
<S>                                 <C>              <C>           <C>              <C>           <C>           <C>
INCREASE IN NET ASSETS:
OPERATIONS:
   Net investment income..........    $   19,002      $ 41,759       $   18,940     $   33,481     $  6,389        $  1,585
   Net realized gain (loss) on
    investments and foreign
    currency transactions.........        40,130       134,243           79,804        123,365        2,422             255
   Change in net unrealized
    appreciation or depreciation
    of investments and foreign
    currency translations.........        55,236        16,668          196,590        166,119         (977)          1,874
                                      ----------      --------       ----------     ----------     --------        --------
      NET INCREASE IN NET ASSETS
        RESULTING FROM
        OPERATIONS................       114,368       192,670          295,334        322,965        7,834           3,714
                                      ----------      --------       ----------     ----------     --------        --------
TRANSACTIONS IN INVESTORS'
 BENEFICIAL INTERESTS:
   Contributions..................        98,202       282,834          208,660        446,329       37,575         224,975
   Withdrawals....................       (83,268)     (417,319)         (89,756)      (212,851)     (36,334)        (12,374)
                                      ----------      --------       ----------     ----------     --------        --------
      NET INCREASE (DECREASE) IN
        NET ASSETS RESULTING FROM
        TRANSACTIONS IN INVESTORS'
        BENEFICIAL INTERESTS......        14,934      (134,485)         118,904        233,478        1,241         212,601
                                      ----------      --------       ----------     ----------     --------        --------
NET INCREASE IN NET ASSETS........       129,302        58,185          414,238        556,443        9,075         216,315
                                      ----------      --------       ----------     ----------     --------        --------
NET ASSETS:
   Beginning of period............       953,667       895,482        1,668,600      1,112,157      216,315               -
                                      ----------      --------       ----------     ----------     --------        --------
   END OF PERIOD..................    $1,082,969      $953,667       $2,082,838     $1,668,600     $225,390        $216,315
                                      ==========      ========       ==========     ==========     ========        ========
- ------------------------------------------------------------------------------------------------------------------------------
FINANCIAL HIGHLIGHTS:
- ------------------------------------------------------------------------------------------------------------------------------
RATIOS:
   Expenses to average net assets
    (annualized)..................          0.33%         0.34%            0.32%          0.34%        0.29%           0.29%
   Net investment income to
    average net assets
    (annualized)..................          3.79%         4.11%            2.04%          2.45%        6.20%           5.92%
   Portfolio turnover rate........            43%          105%              13%            35%         139%             47%
   Average commission rate paid*..         $0.0462     $0.0385            $0.0473       $0.0395             -             -
 
<CAPTION>
                                        International Equity            Short-Term Bond
                                    ----------------------------   -------------------------
                                                                   Six Months
                                      Six Months                      Ended
                                        Ended        Year Ended     April 30,    Year Ended
                                    April 30, 1998   October 31,      1998       October 31,
                                     (Unaudited)        1997       (Unaudited)      1997
                                    --------------   -----------   -----------   -----------
                                                  (in thousands)
<S>                                 <C>              <C>           <C>           <C>
INCREASE IN NET ASSETS:
OPERATIONS:
   Net investment income..........    $    8,763      $ 15,411       $ 3,281      $ 13,988
   Net realized gain (loss) on
    investments and foreign
    currency transactions.........        16,820        21,331          (203)         (355)
   Change in net unrealized
    appreciation or depreciation
    of investments and foreign
    currency translations.........       106,497        57,105            63          (644)
                                      ----------      --------       -------      --------
      NET INCREASE IN NET ASSETS
        RESULTING FROM
        OPERATIONS................       132,080        93,847         3,141        12,989
                                      ----------      --------       -------      --------
TRANSACTIONS IN INVESTORS'
 BENEFICIAL INTERESTS:
   Contributions..................       370,870       397,499        10,958        95,910
   Withdrawals....................      (208,216)     (134,169)       (8,257)     (188,507)
                                      ----------      --------       -------      --------
      NET INCREASE (DECREASE) IN
        NET ASSETS RESULTING FROM
        TRANSACTIONS IN INVESTORS'
        BENEFICIAL INTERESTS......       162,654       263,330         2,701       (92,597)
                                      ----------      --------       -------      --------
NET INCREASE IN NET ASSETS........       294,734       357,177         5,842        79,608
                                      ----------      --------       -------      --------
NET ASSETS:
   Beginning of period............       761,673       404,496        93,569       173,177
                                      ----------      --------       -------      --------
   END OF PERIOD..................    $1,056,407      $761,673       $99,411      $ 93,569
                                      ==========      ========       =======      ========
- --------------------------------------------------------------------------------------------------------
FINANCIAL HIGHLIGHTS:
- ---------------------------------------------------------------------------------------------------------------------
RATIOS:
   Expenses to average net assets
    (annualized)..................          0.57%         0.57%         0.34%         0.30%
   Net investment income to
    average net assets
    (annualized)..................          2.03%         2.55%         6.90%         6.91%
   Portfolio turnover rate........            12%           15%           39%          282%
   Average commission rate paid*..        $0.159         $0.0164            -            -
</TABLE>
 
- ---------------
 
* Foreign commissions usually are lower than U.S. commissions when expressed as
  cents per share due to the lower per share price of many non-U.S. securities.
 
                             See accompanying notes
                                       64
<PAGE>   66
AMR INVESTMENT SERVICES TRUST PORTFOLIOS
STATEMENTS OF CHANGES IN NET ASSETS
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                             U.S. Government
                                                      Money Market           Municipal Money Market           Money Market
                                               --------------------------   -------------------------   -------------------------
                                               Six Months                   Six Months                  Six Months
                                                  Ended                        Ended                       Ended
                                                April 30,     Year Ended     April 30,    Year Ended     April 30,    Year Ended
                                                  1998       October 31,       1998       October 31,      1998       October 31,
                                               (Unaudited)       1997       (Unaudited)      1997       (Unaudited)      1997
                                               -----------   ------------   -----------   -----------   -----------   -----------
                                                                                 (in thousands)
<S>                                            <C>           <C>            <C>           <C>           <C>           <C>
INCREASE IN NET ASSETS:
OPERATIONS:
   Net investment income.....................  $    57,809   $    103,560    $   2,060     $   3,432     $   4,066     $   6,233
   Net realized gain on investments..........           45             31            -             -             -             5
                                               -----------   ------------    ---------     ---------     ---------     ---------
       TOTAL INCREASE IN NET ASSETS RESULTING
        FROM OPERATIONS......................       57,854        103,591        2,060         3,432         4,066         6,238
                                               -----------   ------------    ---------     ---------     ---------     ---------
TRANSACTIONS IN INVESTORS' BENEFICIAL
 INTERESTS:
   Contributions.............................    2,865,371     18,538,305      147,502       186,159       177,322       365,792
   Withdrawals...............................   (2,915,573)   (18,435,488)    (132,088)     (170,158)     (138,154)     (330,942)
                                               -----------   ------------    ---------     ---------     ---------     ---------
       NET INCREASE (DECREASE) IN NET ASSETS
        RESULTING FROM TRANSACTIONS IN
        INVESTORS' BENEFICIAL INTERESTS......      (50,202)       102,817       15,414        16,001        39,168        34,850
                                               -----------   ------------    ---------     ---------     ---------     ---------
NET INCREASE IN NET ASSETS...................        7,652        206,408       17,474        19,433        43,234        41,088
                                               -----------   ------------    ---------     ---------     ---------     ---------
NET ASSETS:
   BEGINNING OF PERIOD.......................    1,971,330      1,764,922      100,691        81,258       131,780        90,692
                                               -----------   ------------    ---------     ---------     ---------     ---------
   END OF PERIOD.............................  $ 1,978,982   $  1,971,330    $ 118,165     $ 100,691     $ 175,014     $ 131,780
                                               ===========   ============    =========     =========     =========     =========
 
- ---------------------------------------------------------------------------------------------------------------------------------
FINANCIAL HIGHLIGHTS:
- ---------------------------------------------------------------------------------------------------------------------------------
RATIOS:
   Expenses to average net assets
     (annualized)*...........................        0.17%          0.16%        0.20%         0.18%         0.19%         0.19%
   Net investment income to average net
     assets (annualized)*....................        5.60%          5.52%        3.64%         3.59%         5.54%         5.32%
</TABLE>
 
- ---------------
 
* Operating results of the Municipal Money Market Portfolio excluded fees waived
  by the Manager. Results prior to expenses waived were as follows:
 
<TABLE>
<CAPTION>
                                                                   Year Ended
                                                                October 31, 1997
                                                                ----------------
<S>                                                             <C>
Ratio of expenses to average net assets.....................         0.19%
Ratio of net investment income to average net assets........         3.58%
</TABLE>
 
                             See accompanying notes
                                       65
<PAGE>   67
 
AMR INVESTMENT SERVICES TRUST
NOTES TO FINANCIAL STATEMENTS
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
1.  ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES
 
     AMR Investment Services Trust (the "Trust") is registered under the
Investment Company Act of 1940, as amended, as a no-load, open-end management
investment company which was organized as a trust under the laws of the State of
New York pursuant to a Declaration of Trust dated as of June 27, 1995 and
amended on August 11, 1995. Beneficial interests in the Trust are divided into
separate series, each having distinct investment objectives and policies. These
financial statements relate to the AMR Investment Services Balanced Portfolio,
the AMR Investment Services Growth and Income Portfolio, the AMR Investment
Services Intermediate Bond Portfolio, the AMR Investment Services International
Equity Portfolio, the AMR Investment Services Short-Term Bond Portfolio, the AMR
Investment Services Money Market Portfolio, the AMR Investment Services
Municipal Money Market Portfolio and the AMR Investment Services U.S. Government
Money Market Portfolio (each a "Portfolio" and collectively the "Portfolios").
Prior to March 1, 1998, the AMR Investment Services Short-Term Bond Portfolio
was known as the AMR Investment Services Limited-Term Income Portfolio. The
assets of each Portfolio belong only to that Portfolio, and the liabilities of
each Portfolio are borne solely by that Portfolio and no other. The Trust
commenced active operations on November 1, 1995. The AMR Investment Services
Intermediate Bond Portfolio commenced active operations on March 2, 1998.
 
     AMR Investment Services, Inc. (the "Manager") is a wholly-owned subsidiary
of AMR Corporation, the parent company of American Airlines, Inc. ("American"),
and was organized in 1986 to provide business management, advisory,
administrative and asset management consulting services.
 
     The following is a summary of the significant accounting policies followed
by the Portfolios.
 
  Security Valuation
 
     Equity securities that are primarily traded on domestic securities
exchanges are valued at the last quoted sales price on a designated exchange
prior to the close of trading on the New York Stock Exchange (the "Exchange")
or, lacking any current sales, on the basis of the last current bid price prior
to the close of trading on the Exchange. Portfolio securities that are primarily
traded on foreign securities exchanges are generally valued at the preceding
closing values of such securities on their respective exchanges where primarily
traded. Over-the-counter equity securities are valued on the basis of the last
bid price on that date prior to the close of trading. Debt securities (other
than short-term securities) normally will be valued on the basis of prices
provided by a pricing service and may take into account appropriate factors such
as institution-size trading in similar groups of securities, yield, quality,
coupon rate, maturity, type of issue, trading characteristics and other market
data. In some cases, the prices of debt securities may be determined using
quotes obtained from brokers. Securities for which market quotations are not
readily available are valued at fair value, as determined in good faith and
pursuant to procedures approved by the Trust's Board of Trustees (the "Board").
Investment grade short-term obligations with 60 days or less to maturity and
securities of the Money Market, Municipal Money Market and U.S. Government Money
Market Portfolios (the "Money Market Portfolios") are valued using the amortized
cost method. In the event that a deviation of 1/2 of 1% or more exists between
the $1.00 per share price of the Money Market Portfolios, calculated at
amortized cost, and the price per share calculated by reference to market
quotations, or if there is any other deviation which the Board believes would
result in a material dilution to shareholders or purchasers, the Board will
promptly consider the appropriate action which should be initiated.
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<PAGE>   68
AMR INVESTMENT SERVICES TRUST
NOTES TO FINANCIAL STATEMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
  Security Transactions and Investment Income
 
     Security transactions are recorded on the trade date of the security
purchase or sale. Dividend income is recorded on the ex-dividend date except
certain dividends from foreign securities which are recorded as soon as the
information is available to the Portfolios. Interest income is earned from
settlement date, recorded on the accrual basis, and adjusted, if necessary, for
amortization of premiums or accretion of discounts on investment grade
short-term securities and zero coupon instruments. For financial and tax
reporting purposes, realized gains and losses are determined on the basis of
specific lot identification.
 
  Currency Translation
 
     All assets and liabilities initially expressed in foreign currency values
are converted into U.S. dollar values at the bid price of such currencies
against U.S. dollars as last quoted by a recognized dealer. Income, expenses and
purchases and sales of investments are translated into U.S. dollars at the rate
of exchange prevailing on the respective dates of such transactions. The
Portfolios include that portion of the results of operations resulting from
changes in foreign exchange rates with net realized and unrealized gain on
investments, as appropriate.
 
  Forward Foreign Currency Contracts
 
     The International Equity Portfolio may enter into forward foreign currency
contracts to hedge the exchange rate risk on investment transactions or to hedge
the value of portfolio securities denominated in foreign currencies. Forward
foreign currency contracts are valued at the forward exchange rate prevailing on
the day of valuation.
 
  Federal Income and Excise Taxes
 
     The Portfolios will be treated as partnerships for federal income tax
purposes. As such, each investor in a Portfolio will be taxed on its share of
the Portfolio's ordinary income and capital gains. It is intended that each
Portfolio's assets will be managed in such a way that an investor in the
Portfolio will be able to satisfy the requirements of sub-chapter M of the
Internal Revenue Code.
 
  Repurchase Agreements
 
     Under the terms of a repurchase agreement, securities are acquired by a
Portfolio from a securities dealer or a bank which are subject to resale at a
later date. Repurchase agreements are fully collateralized by U.S. Treasury or
Government agency securities. All collateral is monitored daily by each
Portfolio so that the collateral's market value exceeds the carrying value of
the repurchase agreement.
 
  Deferred Organization Expenses
 
     Expenses incurred by a Portfolio in connection with its organization are
being amortized on a straight-line basis over a five-year period.
 
                                       67
<PAGE>   69
AMR INVESTMENT SERVICES TRUST
NOTES TO FINANCIAL STATEMENTS -- CONTINUED
April 30, 1998 (Unaudited)
- --------------------------------------------------------------------------------
 
2.  TRANSACTIONS WITH AFFILIATES
 
  Management Agreement
 
     The Trust and the Manager are parties to a Management Agreement which
obligates the Manager to provide or oversee the provision of all administrative,
investment advisory and portfolio management services. Investment assets of the
Balanced, Growth and Income, Intermediate Bond and International Equity
Portfolios ("Variable NAV Portfolios") are managed by multiple investment
advisers which have entered into separate investment advisory agreements with
the Manager. As compensation for performing the duties required under the
Management Agreement, the Manager receives from the Balanced Growth and Income
and International Equity Portfolios an annualized fee equal to .10% of the
average daily net assets plus amounts paid by the Manager to the investment
advisors hired by the Manager to direct investment activities of the Portfolios.
The manager receives an annualized fee of .25% of the average daily net assets
of the Intermediate Bond Portfolio and pays a portion of their fee to the
investment advisor hired by the Manager to direct investment activities of the
Portfolio. Management fees are paid as follows (dollars in thousands):
 
<TABLE>
<CAPTION>
                                                                                      Amounts paid to   Net Amounts
                                                            Management   Management     Investment      Retained by
                                                             Fee Rate       Fee          Advisors         Manager
                                                            ----------   ----------   ---------------   -----------
<S>                                                         <C>          <C>          <C>               <C>
Balanced Portfolio........................................  .225%-.70%     $1,489         $1,009           $480
Growth and Income Portfolio...............................  .225%-.70%      2,763          1,863            900
Intermediate Bond Portfolio...............................       .25%         254            106            148
International Equity Portfolio............................  .25%-.90%       1,899          1,372            527
</TABLE>
 
     The Manager serves as the sole investment adviser to the Short-Term Bond
Portfolio and each of the Money Market Portfolios. Pursuant to the Management
Agreement, the Manager receives from the Portfolios an annualized fee equal to
 .25% of the average daily net assets of the Limited-Term Income Portfolio and
 .15% of the average daily net assets of each of the Money Market Portfolios.
During the six months ended April 30, 1998, the Manager waived management fees
totaling $3,414 and $806 for the Municipal Money Market and U.S. Government
Money Market Portfolios.
 
  Other
 
     Certain officers or trustees of the Trust are also officers of the Manager
or American. The Trust makes no direct payments to its officers. Unaffiliated
trustees and their spouses are provided free unlimited air transportation on
American. However, the Trust compensates each Trustee with payments in an amount
equal to the Trustee's income tax on the value of this free airline travel. For
the six months ended April 30, 1998, the cost of air transportation was not
material to any of the Portfolios.
 
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