AMERICAN CENTURY TARGET MATURITIES TRUST
N-30D, 1997-11-21
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                                     ANNUAL
                                     REPORT

                             [american century logo]
                                    American
                                 Century(reg.sm)


                               SEPTEMBER 30, 1997

                                     BENHAM
                                      GROUP

                          Target Maturities Trust: 2000
                          Target Maturities Trust: 2005
                          Target Maturities Trust: 2010
                          Target Maturities Trust: 2015
                          Target Maturities Trust: 2020
                          Target Maturities Trust: 2025

                               TABLE OF CONTENTS

     Our Message to You ..............................................    1
     Report Highlights ...............................................    2
     Market Perspective ..............................................    4
     Target Maturities Trust: 2000
                Performance & Portfolio Information ..................    5
                Management Q & A .....................................    6
                Schedule of Investments ..............................    8
                Financial Highlights .................................   36
     Target Maturities Trust: 2005
                Performance & Portfolio Information ..................    9
                Management Q & A .....................................   10
                Schedule of Investments ..............................   12
                Financial Highlights .................................   37
     Target Maturities Trust: 2010
                Performance & Portfolio Information ..................   13
                Management Q & A .....................................   14
                Schedule of Investments ..............................   16
                Financial Highlights .................................   38
     Target Maturities Trust: 2015
                Performance & Portfolio Information ..................   17
                Management Q & A .....................................   18
                Schedule of Investments ..............................   20
                Financial Highlights .................................   39
     Target Maturities Trust: 2020
                Performance & Portfolio Information ..................   21
                Management Q & A .....................................   22
                Schedule of Investments ..............................   24
                Financial Highlights .................................   40
     Target Maturities Trust: 2025
                Performance & Portfolio Information ..................   25
                Management Q & A .....................................   26
                Schedule of Investments ..............................   28
                Financial Highlights .................................   41
     Statements of Assets and Liabilities ............................   29
     Statements of Operations ........................................   30
     Statements of Changes in Net Assets .............................   31
     Notes to Financial Statements ...................................   33
     Independent Auditors' Report ....................................   42
     Proxy Voting Results ............................................   43
     Retirement Account Information ..................................   47
     Background Information ..........................................   48
     Glossary ........................................................   49

    American  Century  Investments  offers you nearly 70 fund  choices  covering
stocks, bonds, money markets,  specialty investments and blended portfolios. We'
ve organized  our funds into three  distinct  groups to help you identify  those
that best fit your needs. These groups, which appear below, are designed to help
simplify your fund decisions.

                 AMERICAN CENTURY INVESTMENTS--FAMILY OF FUNDS
- -------------------------------------------------------------------------------
        Benham                American Century       Twentieth Century(reg. tm)
     Group(reg. tm)                 Group                      Group
- -------------------------------------------------------------------------------
   MONEY MARKET FUNDS         ASSET ALLOCATION &           GROWTH FUNDS
 GOVERNMENT BOND FUNDS          BALANCED FUNDS          INTERNATIONAL FUNDS
 DIVERSIFIED BOND FUNDS   CONSERVATIVE EQUITY FUNDS
  MUNICIPAL BOND FUNDS         SPECIALTY FUNDS
- -------------------------------------------------------------------------------
    Target Maturities
        Trust

We welcome your comments or questions about this report.  See the back cover for
ways to contact us by mail, phone or e-mail.

Twentieth  Century and American Century are registered marks of American Century
Services  Corporation.  Benham Group is a registered  mark of Benham  Management
Corporation.


                                                    AMERICAN CENTURY INVESTMENTS


                              OUR MESSAGE TO YOU

              [photo of James E. Stowers III and James M. Benham]

    Zero-coupon  bonds  posted  impressive  gains  during  the 12  months  ended
September 30, 1997,  with returns on  longer-maturity  zeros  rivaling  those of
stocks. The second half of the  period--characterized  by falling interest rates
as  inflation  concerns  waned  and  demand  for  Treasury  securities  outpaced
supply--proved  ideal for zeros and Treasury bonds in general.  In the following
pages, our investment  management team provides further details about the market
and how your fund was managed during the period.

    During the summer, American Century held its largest proxy vote ever, asking
shareholders  to approve  measures to simplify  fund  management  and  eliminate
overlapping  funds.  Most notably,  shareholders  approved a unified fee for all
funds.  In the past,  many of our funds had both a  management  fee and separate
administrative  and transfer  agency  fees.  Under the new fee  structure,  fund
shareholders  pay one  annual  management  fee,  based on a  percentage  of fund
assets.

    We also made some important corporate changes. In June, Bill Lyons, American
Century's   chief   operating   officer,   became   president,   assuming   full
responsibility for the company's  day-to-day  operations.  With this change, Jim
Stowers,  Jr. and Jim Stowers III will be able to spend more time developing and
refining new  investment  technologies  and tools that build on and leverage the
proprietary  system they  pioneered  25 years ago. One of our goals is to ensure
that we continue to evolve and  innovate--building  the  investment  tools today
that will lead us and our investors to success in the next century.

    In July,  American Century agreed to enter into a business  partnership with
J.P.  Morgan & Co., Inc.,  one of the strongest and most respected  firms in the
financial  services  industry.  J.P.  Morgan will become a significant  minority
owner of American Century Companies, Inc. Through this proposed partnership,  we
see many opportunities to expand the range of investment choices and services we
offer you. A global  financial  services firm,  J.P. Morgan has been in business
for more than 150 years, serving institutions,  governments and individuals with
complex financial needs.

    Within the framework of this proposed  relationship,  American  Century will
continue  to  operate as an  independent  company.  No  changes  in your  fund's
investment  managers,  policies  or fees are  anticipated  as a  result  of this
transaction.  American Century's corporate management team will remain the same,
and the Stowers family will retain voting control of the company.

    In closing,  we want to reassure you that American Century remains committed
to serving your  investment  needs first and foremost.  Thank you for your trust
and confidence.

Sincerely,

/s/James E. Stowers III                 /s/James M. Benham
James E. Stowers III                    James M. Benham
Chief Executive Officer                 Vice Chairman
American Century Companies, Inc.        American Century Companies, Inc.


ANNUAL REPORT                                    OUR MESSAGE TO YOU       1


                               REPORT HIGHLIGHTS

MARKET PERSPECTIVE

*   U.S.  bonds  overcame  losses in the first  quarter  of 1997 to post  strong
    returns for the fiscal year ended  September  30, 1997.  Low  inflation  and
    slower  economic  growth in the second half of the fiscal year helped  bonds
    rally.

*   Treasury bonds benefited from strong demand and reduced  supply.  Equity and
    foreign  investors  seeking  a  "safe  haven"  helped  boost  demand,  while
    shrinking  federal  budget  deficits and reduced  Treasury  issuance  helped
    diminish supply.

*   Treasury  yields  have been in a trading  range for the past two years.  The
    30-year  Treasury bond yield has stayed  between 6.25% and 7.25%.  We expect
    yields to remain in the lower end of that range until the  contradiction  of
    strong economic growth and low inflation is resolved.

*   The Federal  Reserve  doesn't  appear ready to raise  interest  rates in the
    immediate future.

TARGET MATURITIES TRUST: 2000

*   The fund posted a 7.64% total return,  reflecting  the favorable bond market
    conditions that prevailed during the second half of the fiscal year.

*   The fund's  assets  declined,  so we sold  lower-yielding,  shorter-maturity
    STRIPS to meet investors' redemption needs.

*   We kept the fund's weighted  average  maturity date close to the benchmark's
    November 15, 2000 maturity date to ensure that the fund closely  tracked its
    benchmark.

TARGET MATURITIES TRUST: 2005

*   Reflecting the favorable bond market  conditions  that prevailed  during the
    second half of the fiscal year, the fund posted an 11.60% total return.

*   The fund's net assets grew by 20% during the second half of the fiscal year.
    We used the new money to buy STRIPS, which improved the fund's liquidity.

*   We kept the fund's weighted  average  maturity date close to the benchmark's
    November 15, 2005 maturity date to ensure that the fund closely  tracked its
    benchmark.

TARGET MATURITIES TRUST: 2010

*   The fund posted a 15.75% total return,  reflecting the favorable bond market
    conditions that prevailed during the second half of the fiscal year.

*   The fund's net assets grew by 25% during the second half of the fiscal year.
    We used the new money to buy STRIPS, which improved the fund's liquidity.

*   We extended the fund's  weighted  average  maturity date to October 3, 2010,
    bringing it  significantly  closer to the November 15, 2010 maturity date of
    its STRIPS benchmark.

                 TARGET: 2000

TOTAL RETURNS:                AS OF 9/30/97
     6 Months                        5.49%*
     1 Year                           7.64%

NET ASSETS:                  $248.4 million
     (AS OF 9/30/97)

INCEPTION DATE:                     3/25/85

TICKER SYMBOL:                        BTMTX

                 TARGET: 2005

TOTAL RETURNS:                AS OF 9/30/97
     6 Months                       10.23%*
     1 Year                          11.60%

NET ASSETS:                  $281.7 million
     (AS OF 9/30/97)

INCEPTION DATE:                     3/25/85

TICKER SYMBOL:                        BTFIX

                 TARGET: 2010

TOTAL RETURNS:                AS OF 9/30/97
     6 Months                       14.19%*
     1 Year                          15.75%

NET ASSETS:                  $124.8 million
     (AS OF 9/30/97)

INCEPTION DATE:                     3/25/85

TICKER SYMBOL:                        BTTNX

* Not annualized.


2      REPORT HIGHLIGHTS                      AMERICAN CENTURY INVESTMENTS


                               REPORT HIGHLIGHTS

TARGET MATURITIES TRUST: 2015

*   Reflecting the favorable bond market  conditions  that prevailed  during the
    second half of the fiscal year, the fund posted a 19.96% total return.

*   We made virtually no changes to the fund's portfolio.

*   We kept the fund's weighted  average maturity date close to the benchmark' s
    November 15, 2015 maturity date to ensure that the fund closely  tracked its
    benchmark.

TARGET MATURITIES TRUST: 2020

*   The fund posted a 23.50% total return,  reflecting the favorable bond market
    conditions that prevailed during the second half of the fiscal year.

*   The fund's assets dropped by one-third  during the second half of the fiscal
    year.  Much of the decline  occurred in July,  when many market  timers sold
    fund shares in the midst of the summer bond rally to lock in gains.

*   We sold  STRIPS,  the fund's most  liquid  holdings,  to meet the  increased
    redemptions.

TARGET MATURITIES TRUST: 2025

*   Reflecting the favorable bond market  conditions  that prevailed  during the
    second half of the fiscal year, the fund posted a 24.34% total return.

*   The fund's net  assets  grew by more than 30% during the second  half of the
    fiscal year.  We used the new money to buy more  REFCORPs,  which had higher
    yields than  available  STRIPS in this maturity  sector of the Treasury zero
    market.

*   We extended  the fund's  weighted  average  maturity  date to July 10, 2025,
    bringing it significantly closer to the August 15, 2025 maturity date of its
    STRIPS benchmark.

                 TARGET: 2015

TOTAL RETURNS:               AS OF 9/30/97
     6 Months                      18.81%*
     1 Year                         19.96%

NET ASSETS:                 $114.9 million
     (AS OF 9/30/97)

INCEPTION DATE:                     9/1/86

TICKER SYMBOL:                       BTFTX

                 TARGET: 2020

TOTAL RETURNS:               AS OF 9/30/97
     6 Months                      22.89%*
     1 Year                         23.50%

NET ASSETS:                 $553.6 million
     (AS OF 9/30/97)

INCEPTION DATE:                   12/29/89

TICKER SYMBOL:                       BTTTX

                 TARGET: 2025

TOTAL RETURNS:               AS OF 9/30/97
     6 Months                      26.32%*
     1 Year                         24.34%

NET ASSETS:                  $73.8 million
     (AS OF 9/30/97)

INCEPTION DATE:                    2/15/96

TICKER SYMBOL:                       BTTRX

* Not annualized.

Many of the investment  terms in this report are defined in the Glossary on page
49.


ANNUAL REPORT                                     REPORT HIGHLIGHTS       3


                              MARKET PERSPECTIVE

[line graph - data below]

Shifting Yield Curve for Treasury Zeros

Years to Maturity          9/30/96         9/30/97         3/31/97
1                           5.78            5.67            6.07
2                           6.07            5.84            6.42
3                           6.23            5.91            6.57
4                           6.31            5.99            6.65
5                           6.36            6.01            6.70
6                           6.44            6.09            6.77
7                           6.52            6.18            6.83
8                           6.62            6.21            6.93
9                           6.67            6.29            6.95
10                          6.73            6.33            7.00
11                          6.77            6.37            7.03
12                          6.81            6.41            7.06
13                          6.84            6.45            7.09
14                          6.88            6.49            7.12
15                          6.92            6.53            7.15
16                          6.94            6.55            7.16
17                          6.95            6.57            7.17
18                          6.97            6.58            7.19
19                          6.98            6.60            7.20
20                          7.00            6.62            7.21
21                          7.00            6.60            7.21
22                          7.00            6.58            7.21
23                          7.01            6.56            7.21
24                          7.01            6.54            7.21
25                          7.01            6.52            7.21
26                          6.99            6.50            7.20
27                          6.97            6.48            7.18
28                          6.94            6.46            7.17
29                          6.92            6.44            7.15
30                          6.90            6.42            7.14


STRONG PERFORMANCE

    The U.S.  bond  market  posted  strong  returns  for the  fiscal  year ended
September 30, 1997,  overcoming a spike in interest rates from December to April
that depressed prices. The rally especially benefited zero-coupon Treasury bonds
(zeros), the securities that constitute the Target Maturities Trust funds.

    As shown in the  accompanying  chart,  the zeros  that  serve as the  funds'
benchmarks  posted  total  returns  for the  period  ranging  from  8.15%  for a
short-maturity  zero (a coupon  STRIPS  maturing on November 15, 2000) to 23.89%
for a long-maturity  zero (a coupon STRIPS maturing on November 15, 2020). These
returns were a far cry from the returns  zeros  posted just six months  earlier.
Returns for zeros for the 12-month period ended March 31, 1997 ranged from 4.03%
for the  November  15,  2000  STRIPS to -5.76% for the August 15,  2025  STRIPS.
Interest rates soared and bond prices fell most sharply in March, 1997, when the
Federal Reserve (the Fed) raised short-term interest rates for the first time in
two years. The Fed's action fueled speculation that this might be the first in a
series of interest rate hikes to slow down economic growth and keep inflation in
check.

LOW INFLATION AND FALLING YIELDS

    Instead,  economic growth slowed from its rapid pace in the first quarter of
1997, and inflation remained under control.  For the nine months ended September
30, 1997,  inflation (as measured by the consumer price index) rose at an annual
rate of just 1.6%, the slowest pace in 11 years. As a result, interest rates and
bond yields fell from April 1997  through the end of the fiscal  year,  dropping
below the levels that had prevailed at the start of the period. The accompanying
yield curve graph for Treasury  zeros shows how yields rose in the first half of
the  period,  then  declined  sharply in the second  half.  The yield curve also
flattened, due to supply and demand factors.

STRONG DEMAND AND REDUCED SUPPLY

    Treasury bonds also benefited from prevailing supply and demand  conditions.
A declining  federal  budget  deficit meant the U.S.  government  didn't need to
issue as much debt, leading to smaller auctions of Treasury  securities and less
new supply.  The Treasury also discontinued two regularly  scheduled auctions of
10-year notes, dropping the number of auctions from six per year to four.

    On the demand side,  equity  investors looked to the Treasury market for a "
safe  haven" from  increased  stock  market  volatility  late in the period.  In
addition,  foreign  investors  were  attracted to Treasury  securities  by their
relatively high interest rates and the strong U.S.  dollar.  Interest rates fell
in Europe and parts of Asia, and remained low in Japan.

    REPRESENTATIVE RETURNS FOR ZEROS (year ended 9/30/97)

        11/15/00 coupon STRIPS .............  8.15%
        11/15/05 coupon STRIPS ............. 12.28%
        11/15/10 coupon STRIPS ............. 16.27%
        11/15/15 coupon STRIPS ............. 20.30%
        11/15/20 coupon STRIPS ............. 23.89%
        08/15/25 coupon STRIPS ............. 21.58%

Source: Bloomberg Financial Markets


4      MARKET PERSPECTIVE                     AMERICAN CENTURY INVESTMENTS

<TABLE>
<CAPTION>
                         TARGET MATURITIES TRUST: 2000

                                                                       AVERAGE ANNUAL RETURNS
                                          6 MONTHS     1 YEAR      3 YEARS     5 YEARS    10 YEARS
- --------------------------------------------------------------------------------------------------------

TOTAL RETURNS AS OF SEPTEMBER 30, 1997

<S>                      <C>                <C>         <C>         <C>        <C>        <C>   
Target Maturities Trust: 2000 ............. 5.49%       7.64%       8.74%      6.72%      11.43%

11/15/00 Maturity
STRIPS Issue .............................. 5.68%       8.15%       9.25%      7.10%      11.89%

Merrill Lynch Long-Term
Treasury Index ............................11.52%      13.17%      12.47%      8.88%      11.36%

See pages 48-49 for more information  about returns,  the comparative  index and
the fund's benchmark.
</TABLE>


[mountain graph - data below]

Growth of $10,000 Over Ten Years
$10,000 investment made 9/30/87
Value on 9/30/97
                                     11/15/00         Merrill Lynch
               Target: 2000        STRIPS Issue      Long-Term Index
Sep-87            $10,000             $10,000             $10,000 
Oct-87            $10,995             $11,026             $10,735 
Nov-87            $11,022             $10,963             $10,740 
Dec-87            $11,434             $11,298             $10,954 
Jan-88            $12,196             $12,248             $11,616
Feb-88            $12,456             $12,504             $11,759 
Mar-88            $11,925             $11,914             $11,394 
Apr-88            $11,681             $11,630             $11,211 
May-88            $11,393             $11,490             $11,014 
Jun-88            $12,051             $12,139             $11,478 
Jul-88            $11,774             $11,775             $11,261 
Aug-88            $11,811             $11,874             $11,304
Sep-88            $12,425             $12,460             $11,731 
Oct-88            $12,899             $12,952             $12,076 
Nov-88            $12,576             $12,634             $11,812 
Dec-88            $12,748             $12,684             $11,962 
Jan-89            $13,074             $13,194             $12,204 
Feb-89            $12,631             $12,729             $11,959 
Mar-89            $12,806             $12,871             $12,086
Apr-89            $13,228             $13,265             $12,370 
May-89            $13,750             $13,849             $12,862 
Jun-89            $14,683             $14,794             $13,591 
Jul-89            $15,060             $15,123             $13,901 
Aug-89            $14,617             $14,693             $13,531 
Sep-89            $14,679             $14,742             $13,583 
Oct-89            $15,245             $15,394             $14,128
Nov-89            $15,372             $15,527             $14,243
Dec-89            $15,273             $15,511             $14,223 
Jan-90            $14,600             $14,835             $13,738 
Feb-90            $14,590             $14,779             $13,679 
Mar-90            $14,607             $14,762             $13,643 
Apr-90            $14,137             $14,311             $13,293 
May-90            $14,806             $15,040             $13,914
Jun-90            $15,166             $15,401             $14,231 
Jul-90            $15,324             $15,592             $14,377 
Aug-90            $14,635             $14,881             $13,755 
Sep-90            $14,789             $15,012             $13,931 
Oct-90            $15,204             $15,531             $14,242 
Nov-90            $15,877             $16,188             $14,833 
Dec-90            $16,237             $16,567             $15,142
Jan-91            $16,360             $16,744             $15,313 
Feb-91            $16,422             $16,676             $15,373 
Mar-91            $16,497             $16,800             $15,423 
Apr-91            $16,734             $17,124             $15,627 
May-91            $16,710             $17,023             $15,626 
Jun-91            $16,597             $16,916             $15,503 
Jul-91            $16,844             $17,196             $15,730
Aug-91            $17,520             $17,825             $16,279 
Sep-91            $18,069             $18,457             $16,787 
Oct-91            $18,226             $18,512             $16,841 
Nov-91            $18,446             $18,867             $16,923 
Dec-91            $19,592             $20,044             $17,933 
Jan-92            $18,789             $19,209             $17,350 
Feb-92            $18,909             $19,319             $17,473
Mar-92            $18,648             $19,014             $17,281 
Apr-92            $18,642             $19,135             $17,287 
May-92            $19,153             $19,552             $17,742 
Jun-92            $19,657             $20,066             $17,996 
Jul-92            $20,535             $20,965             $18,731 
Aug-92            $20,786             $21,271             $18,890 
Sep-92            $21,324             $21,831             $19,179
Oct-92            $20,796             $21,258             $18,798 
Nov-92            $20,686             $21,153             $18,856 
Dec-92            $21,252             $21,721             $19,357 
Jan-93            $21,914             $22,421             $19,930 
Feb-93            $22,707             $23,234             $20,591 
Mar-93            $22,810             $23,377             $20,646 
Apr-93            $23,036             $23,613             $20,797
May-93            $22,964             $23,532             $20,874 
Jun-93            $23,849             $24,436             $21,751 
Jul-93            $23,935             $24,531             $22,087 
Aug-93            $24,652             $25,265             $22,972 
Sep-93            $24,834             $25,480             $23,074 
Oct-93            $24,847             $25,454             $23,217 
Nov-93            $24,405             $25,015             $22,625
Dec-93            $24,539             $25,151             $22,692 
Jan-94            $25,026             $25,666             $23,244 
Feb-94            $24,158             $24,790             $22,273 
Mar-94            $23,328             $23,927             $21,364 
Apr-94            $23,022             $23,599             $21,036 
May-94            $23,039             $23,637             $20,934 
Jun-94            $22,906             $23,516             $20,747
Jul-94            $23,372             $24,011             $21,402 
Aug-94            $23,448             $24,087             $21,269 
Sep-94            $22,961             $23,588             $20,625 
Oct-94            $22,827             $23,473             $20,533 
Nov-94            $22,672             $23,322             $20,642 
Dec-94            $22,847             $23,496             $21,005 
Jan-95            $23,345             $24,054             $21,541
Feb-95            $24,082             $24,853             $22,147 
Mar-95            $24,178             $24,946             $22,307 
Apr-95            $24,580             $25,350             $22,701 
May-95            $25,835             $26,664             $24,456 
Jun-95            $26,065             $26,886             $24,751 
Jul-95            $25,904             $26,758             $24,365 
Aug-95            $26,158             $27,026             $24,890
Sep-95            $26,367             $27,182             $25,340 
Oct-95            $26,775             $27,681             $26,085 
Nov-95            $27,242             $28,176             $26,725 
Dec-95            $27,585             $28,514             $27,447 
Jan-96            $27,853             $28,845             $27,432 
Feb-96            $27,338             $28,300             $26,094 
Mar-96            $27,005             $27,977             $25,597
Apr-96            $26,755             $27,700             $25,170 
May-96            $26,635             $27,597             $25,049 
Jun-96            $26,967             $27,948             $25,557 
Jul-96            $27,029             $28,027             $25,557 
Aug-96            $27,002             $27,992             $25,246 
Sep-96            $27,428             $28,443             $25,937 
Oct-96            $27,985             $29,070             $26,948
Nov-96            $28,416             $29,489             $27,834 
Dec-96            $28,135             $29,216             $27,175 
Jan-97            $28,225             $29,322             $26,999 
Feb-97            $28,228             $29,322             $26,962 
Mar-97            $27,988             $29,106             $26,321 
Apr-97            $28,321             $29,455             $26,961 
May-97            $28,530             $29,689             $27,250
Jun-97            $28,773             $29,955             $27,764 
Jul-97            $29,386             $30,579             $29,369 
Aug-97            $29,207             $30,413             $28,550 
Sep-97            $29,523             $30,760             $29,353

Past  performance  does not  guarantee  future  results.  Investment  return and
principal  value will fluctuate,  and redemption  value may be more or less than
original cost.

The line representing the fund's total return includes  operating expenses (such
as transaction costs and management fees) that reduce returns, while the index's
total return line does not.

PORTFOLIO AT A GLANCE
                                      9/30/97             9/30/96

Number of Securities                    31                  33

Anticipated Growth Rate                5.24%               5.75%

Weighted Average Maturity Date       11/14/00            11/23/00

Anticipated Value at Maturity
(AVM--see graph on next page)         $101.13             $101.10

Expense Ratio                          0.56%               0.53%

Past performance is no guarantee of future results. Even if fund shares are held
to maturity,  there is no  guarantee  that the fund's share price will reach its
AVM.  There is also no  guarantee  that the AVM will  fluctuate as little in the
future  as it has  in  the  past.  For  more  information,  please  consult  the
prospectus.


ANNUAL REPORT                         TARGET MATURITIES TRUST: 2000       5


                         TARGET MATURITIES TRUST: 2000

MANAGEMENT Q & A

    An  interview  with  Dave  Schroeder,  a  portfolio  manager  on the  Target
Maturities Trust investment team.

HOW DID THE FUND PERFORM DURING THE FISCAL YEAR ENDED SEPTEMBER 30, 1997?

    The fund rebounded from a slight loss in the first quarter of 1997 to post a
7.64% total return for the one-year period. The fund's returns reflect favorable
market  conditions  in the  second  half of the  period  as  well as the  fund's
position  at the  short  end of  the  maturity  spectrum,  where  interest  rate
fluctuations have  significantly less impact on performance than at the long end
of the market.

    The fund's  benchmark,  a coupon STRIPS issue maturing on November 15, 2000,
returned 8.15% for the period. The fund typically underperforms its benchmark by
around 60 basis points  because the benchmark is a security,  not a mutual fund.
Though the fund's portfolio is managed to mimic the performance of the security,
the fund is  subject  to  operating  expenses  (such as  transaction  costs  and
management  fees),  while  the  benchmark  is not.  The  roughly  60-basis-point
difference in  performance  is  approximately  equivalent to the fund's  expense
ratio.

WHAT CHANGES HAVE OCCURRED IN THE FUND'S PORTFOLIO SINCE THE SEMIANNUAL REPORT?

    In spite of the fund's positive  investment  returns,  the fund's net assets
declined  from $258.4  million on March 31 to $248.4  million on  September  30,
reflecting shareholder withdrawals during the period. To meet these redemptions,
we sold some of the fund's lower-yielding,  shorter-maturity  STRIPS. That's why
the number of securities and the percentage of

[line graph - data below]

Target 2000: Share Price vs. Anticipated Value at Maturity
             Actual Share Price            Anticipated Value at Maturity
               (Historical)                   (Estimated Share Price)
'85               26.77                                100
'86               35.44                                100
'87               33.33                                98.69
'88               37.16                                97.43
'89               44.52                                96.21
'90               47.33                                97.59
'91               57.11                                98.91
'92               61.947                               101.16
'93               71.526                               100.708
'94               66.598                               100.829
'95               80.408                               100.992
'96               79.947                               101.102
'97               86.06                                101.13
'98
'99
'00

The top line in the graph  represents the fund's  Anticipated  Value at Maturity
(AVM--defined  on page 49), which fluctuates from day to day based on the fund's
expected  maturity date. The bottom line represents the fund's  historical share
price, which is managed to grow over time to reach the fund's AVM.

While this graph  demonstrates  the fund's  expected  long-term  growth pattern,
please  keep in mind  that  the  fund  may  experience  significant  share-price
volatility over the short term.

Past performance is no guarantee of future results. Even if fund shares are held
to maturity,  there is no  guarantee  that the fund's share price will reach its
AVM.  There is also no  guarantee  that the AVM will  fluctuate as little in the
future  as it has  in  the  past.  For  more  information,  please  consult  the
prospectus.


6      TARGET MATURITIES TRUST: 2000          AMERICAN CENTURY INVESTMENTS


                         TARGET MATURITIES TRUST: 2000

STRIPS  holdings  declined  during the period.  (See the "Portfolio at a Glance"
chart on page 5 and the graphs below.)

    A benefit of selling the  lower-yielding,  shorter-  maturity STRIPS is also
shown in the  "Portfolio at a Glance" chart on page 5 -- the fund's  anticipated
value at maturity (AVM) increased during the period.

WHAT'S YOUR OUTLOOK FOR THE TREASURY MARKET?

    It might not appear obvious  because of the  volatility  we've seen, but the
Treasury market has been trading in a range since early 1996.  During this time,
the 30-year Treasury bond yield has stayed between 6.25% and 7.25%.  Bond yields
ended the fiscal  year at the low end of this  range.  The  strength of the U.S.
economy has kept interest  rates from falling  below 6%, but low U.S.  inflation
and relatively  passive  monetary  policy by the Federal  Reserve (the Fed) have
kept rates from rising much higher than 7%.

    As 1997 draws to a close,  we remain in this  contradictory  environment  of
strong  economic growth and low inflation.  These two conditions  can't co-exist
forever--something  has to give.  But until this  situation  is  resolved,  bond
yields  aren't  likely  to  break   significantly   out  of  the  range  they've
established.  They won't drop dramatically  unless there are consistent signs of
economic weakness,  and they aren't likely to rise unless the market anticipates
an interest rate hike by the Fed.

    That expectation doesn't exist yet. As of early November,  the federal funds
rate futures  contract  didn't have a Fed interest rate increase  priced into it
until May of next year!  Not only has the Fed not seen  enough  evidence  yet of
inflation,  it also has its hands tied by currency turmoil overseas.  We believe
the Fed is unlikely to make any dramatic interest rate moves because higher U.S.
interest  rates  could  cause  further  devaluations  of already  weak  overseas
currencies.

    Supply and demand factors should also lend support to the Treasury market. A
smaller federal budget deficit means we should see lower levels of Treasury debt
issuance  going  forward.  That would likely bolster prices and help keep yields
down.

    The bottom line is: We expect Treasury yields to remain in the lower half of
their recent range until a clearer direction for the U.S. economy emerges.

WHAT IS YOUR STRATEGY GOING FORWARD?

    To help the fund reach its AVM, we will likely continue to keep its maturity
date close to the November 15, 2000  maturity  date of its  benchmark.  Although
there can be no assurances  that the fund will reach its AVM, we manage the fund
to reach or exceed this value at maturity.

    We will also  continue  looking  for  opportunities  to  improve  the fund's
liquidity by replacing  receipt zeros (such as TRs and CATS) with STRIPS when we
can do so without  sacrificing  yield.  We will likely continue to use STRIPS to
meet the fund's cash flow needs.

[pie charts]

PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 9/30/97)
STRIPS         62%
TRs            28%
Other          10%

PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 3/31/97)
STRIPS         66%
TRs            26%
Other           8%


ANNUAL REPORT                         TARGET MATURITIES TRUST: 2000       7


                            SCHEDULE OF INVESTMENTS
                         TARGET MATURITIES TRUST: 2000

SEPTEMBER 30, 1997

Principal Amount                                                  Value
- --------------------------------------------------------------------------------

ZERO-COUPON U.S. TREASURY SECURITIES(1)

             $      71,250  CUBES, 5.85%, 8/15/99              $         63,965

                    75,000  ETR, 5.97%, 11/15/99                         66,198

                   153,000  STRIPS -- COUPON, 5.83%,
                                11/15/99                                135,433

                 2,836,700  TBR, 5.98%, 11/15/99                      2,503,248

                   424,800  TR, 5.90%, 11/15/99                         375,484

                   133,000  CATS, 5.92%, 2/15/00                        115,810

                    88,125  CUBES, 5.94%, 2/15/00                        76,700

                13,069,000  STRIPS -- PRINCIPAL, 5.87%,
                                2/15/00                              11,394,259

                   306,945  TBR, 6.01%, 2/15/00                         266,719

                30,036,209  TR, 5.93%, 2/15/00                       26,147,994

                   149,000  CATS, 5.92%, 5/15/00                        127,863

                 5,850,000  CUBES, 6.01%, 5/15/00                     5,008,638

                 1,494,525  TBR, 6.01%, 5/15/00                       1,279,579

                36,467,000  STRIPS -- PRINCIPAL, 5.91%,
                                8/15/00                              30,853,651

                   894,045  TBR, 6.05%, 8/15/00                         753,477

                 3,932,000  COUGAR, 6.03%, 11/15/00                   3,266,297

                   410,625  CUBES, 5.99%, 11/15/00                      341,518

                66,391,000  STRIPS -- PRINCIPAL, 5.92%,
                                11/15/00                             55,343,367

                 3,754,000  TIGR, 5.97%, 11/15/00                     3,124,110

                 2,252,886  TR, 5.98%, 11/15/00                       1,874,302

                    75,000  CATS, 6.02%, 2/15/01                         61,414

                25,000,000  STRIPS -- COUPON, 5.96%,
                                2/15/01                              20,511,548

                27,184,000  STRIPS -- PRINCIPAL, 5.95%,
                                2/15/01                              22,307,089

                 4,657,000  TIGR, 6.02%, 2/15/01                      3,813,392

                20,422,328  TR, 6.03%, 2/15/01                       16,717,383

                 1,400,000  COUGAR, 6.10%, 5/15/01                    1,126,360

                 1,496,250  CUBES, 6.125%, 5/15/01                    1,202,529

                    44,000  TIGR, 6.04%, 5/15/01                         35,475

                24,350,000  TR, 6.05%, 5/15/01                       19,625,089

                18,450,000  STRIPS -- PRINCIPAL, 6.01%,
                                8/15/01                              14,669,468

                 7,060,020  TR, 6.07%, 8/15/01                        5,601,781
                                                             -------------------

TOTAL INVESTMENT SECURITIES--100.0%                                $248,790,140
                                                             ===================
   (Cost $241,245,778)

NOTES TO SCHEDULE OF INVESTMENTS

CATS = Certificates of Accrual of Treasury Securities

COUGAR = Coupons on Underlying Government Securities

CUBES = Coupons Under Book Entry Safekeeping

ETR = Easy Growth Treasury Receipts

STRIPS = Separate Trading of Registered Interest and Principal of Securities

TBR = Treasury Bond Receipts

TIGR = Treasury Investment Growth Receipts

TR = Treasury Receipts

(1)  The effective  yield to maturity at September 30, 1997 is indicated.  These
     securities  are  purchased at a  substantial  discount  from their value at
     maturity.

See Notes to Financial Statements


8      TARGET MATURITIES TRUST: 2000          AMERICAN CENTURY INVESTMENTS


<TABLE>
<CAPTION>
                         TARGET MATURITIES TRUST: 2005

                                                                       AVERAGE ANNUAL RETURNS
                                          6 MONTHS     1 YEAR      3 YEARS    5 YEARS    10 YEARS
- ---------------------------------------------------------------------------------------------------
TOTAL RETURNS AS OF SEPTEMBER 30, 1997

<S>                      <C>               <C>         <C>         <C>         <C>        <C>   
Target Maturities Trust: 2005 ............ 10.23%      11.60%      12.58%      9.40%      13.66%

11/15/05 Maturity
STRIPS Issue ............................. 10.51%      12.28%      13.24%      9.72%      13.97%

Merrill Lynch Long-Term
Treasury Index ........................... 11.52%      13.17%      12.47%      8.88%      11.36%
</TABLE>

See pages 48-49 for more information  about returns,  the comparative  index and
the fund's benchmark.

[mountain graph - data below]

Growth of $10,000 Over Ten Years

$10,000 investment made 9/30/87
Value on 9/30/97
                                      11/15/05         Merrill Lynch
               Target: 2005         STRIPS Issue      Long-Term Index
Sep-87            $10,000             $10,000             $10,000
Oct-87            $11,378             $11,411             $10,735
Nov-87            $11,372             $11,286             $10,740
Dec-87            $11,868             $11,792             $10,954
Jan-88            $13,006             $13,155             $11,616
Feb-88            $13,235             $13,274             $11,759
Mar-88            $12,298             $12,373             $11,394
Apr-88            $11,991             $11,890             $11,211
May-88            $11,584             $11,672             $11,014
Jun-88            $12,677             $12,717             $11,478
Jul-88            $12,091             $12,089             $11,261
Aug-88            $12,164             $12,191             $11,304
Sep-88            $12,917             $12,987             $11,731
Oct-88            $13,648             $13,720             $12,076
Nov-88            $13,179             $13,270             $11,812
Dec-88            $13,586             $13,607             $11,962
Jan-89            $13,993             $14,139             $12,204
Feb-89            $13,497             $13,675             $11,959
Mar-89            $13,709             $13,911             $12,086
Apr-89            $14,155             $14,320             $12,370
May-89            $14,863             $15,132             $12,862
Jun-89            $16,213             $16,380             $13,591
Jul-89            $16,453             $16,570             $13,901
Aug-89            $15,912             $15,946             $13,531
Sep-89            $15,956             $16,001             $13,583
Oct-89            $16,860             $17,010             $14,128
Nov-89            $17,044             $17,200             $14,243
Dec-89            $16,832             $17,046             $14,223
Jan-90            $15,711             $15,893             $13,738
Feb-90            $15,572             $15,782             $13,679
Mar-90            $15,544             $15,680             $13,643
Apr-90            $14,875             $14,906             $13,293
May-90            $15,901             $16,102             $13,914
Jun-90            $16,392             $16,648             $14,231
Jul-90            $16,447             $16,698             $14,377
Aug-90            $15,276             $15,389             $13,755
Sep-90            $15,471             $15,585             $13,931
Oct-90            $15,901             $16,101             $14,242
Nov-90            $17,016             $17,274             $14,833
Dec-90            $17,434             $17,723             $15,142
Jan-91            $17,552             $17,924             $15,313
Feb-91            $17,641             $17,785             $15,373
Mar-91            $17,669             $17,878             $15,423
Apr-91            $17,953             $18,136             $15,627
May-91            $17,830             $17,987             $15,626
Jun-91            $17,602             $17,807             $15,503
Jul-91            $17,914             $18,217             $15,730
Aug-91            $18,801             $18,979             $16,279
Sep-91            $19,593             $19,879             $16,787
Oct-91            $19,565             $19,771             $16,841
Nov-91            $19,671             $19,923             $16,923
Dec-91            $21,177             $21,534             $17,933
Jan-92            $20,262             $20,605             $17,350
Feb-92            $20,368             $20,702             $17,473
Mar-92            $20,006             $20,253             $17,281
Apr-92            $19,844             $20,071             $17,287
May-92            $20,586             $20,812             $17,742
Jun-92            $20,948             $21,147             $17,996
Jul-92            $22,181             $22,378             $18,731
Aug-92            $22,387             $22,607             $18,890
Sep-92            $22,967             $23,241             $19,179
Oct-92            $22,259             $22,488             $18,798
Nov-92            $22,331             $22,577             $18,856
Dec-92            $23,201             $23,497             $19,357
Jan-93            $23,960             $24,316             $19,930
Feb-93            $25,215             $25,554             $20,591
Mar-93            $25,165             $25,587             $20,646
Apr-93            $25,510             $25,919             $20,797
May-93            $25,533             $26,023             $20,874
Jun-93            $27,111             $27,633             $21,751
Jul-93            $27,479             $28,010             $22,087
Aug-93            $28,622             $29,183             $22,972
Sep-93            $28,912             $29,605             $23,074
Oct-93            $29,052             $29,692             $23,217
Nov-93            $27,981             $28,560             $22,625
Dec-93            $28,204             $28,796             $22,692
Jan-94            $29,180             $29,738             $23,244
Feb-94            $27,529             $28,100             $22,273
Mar-94            $26,146             $26,430             $21,364
Apr-94            $25,884             $26,024             $21,036
May-94            $25,739             $25,904             $20,934
Jun-94            $25,482             $25,652             $20,747
Jul-94            $26,280             $26,504             $21,402
Aug-94            $26,219             $26,479             $21,269
Sep-94            $25,226             $25,455             $20,625
Oct-94            $25,031             $25,314             $20,533
Nov-94            $25,220             $25,479             $20,642
Dec-94            $25,694             $25,983             $21,005
Jan-95            $26,341             $26,682             $21,541
Feb-95            $27,306             $27,668             $22,147
Mar-95            $27,535             $27,912             $22,307
Apr-95            $28,115             $28,515             $22,701
May-95            $30,574             $31,040             $24,456
Jun-95            $30,965             $31,440             $24,751
Jul-95            $30,385             $30,893             $24,365
Aug-95            $31,021             $31,545             $24,890
Sep-95            $31,573             $32,113             $25,340
Oct-95            $32,354             $32,942             $26,085
Nov-95            $33,279             $33,900             $26,725
Dec-95            $34,083             $34,735             $27,447
Jan-96            $34,127             $34,813             $27,432
Feb-96            $32,526             $33,172             $26,094
Mar-96            $31,924             $32,591             $25,597
Apr-96            $31,277             $31,888             $25,170
May-96            $31,043             $31,663             $25,049
Jun-96            $31,645             $32,325             $25,557
Jul-96            $31,690             $32,347             $25,557
Aug-96            $31,394             $32,039             $25,246
Sep-96            $32,254             $32,917             $25,937
Oct-96            $33,416             $34,225             $26,948
Nov-96            $34,498             $35,244             $27,834
Dec-96            $33,660             $34,381             $27,175
Jan-97            $33,542             $34,334             $26,999
Feb-97            $33,509             $34,273             $26,962
Mar-97            $32,654             $33,445             $26,321
Apr-97            $33,409             $34,224             $26,961
May-97            $33,799             $34,611             $27,250
Jun-97            $34,296             $35,204             $27,764
Jul-97            $35,990             $36,909             $29,369
Aug-97            $35,155             $36,079             $28,550
Sep-97            $35,996             $36,959             $29,353

Past  performance  does not  guarantee  future  results.  Investment  return and
principal  value will fluctuate,  and redemption  value may be more or less than
original cost.

The line representing the fund's total return includes  operating expenses (such
as transaction costs and management fees) that reduce returns, while the index's
total return line does not.


PORTFOLIO AT A GLANCE

                                      9/30/97             9/30/96

Number of Securities                    34                  36

Anticipated Growth Rate                5.57%               6.17%

Weighted Average Maturity Date       11/16/05            11/18/05

Anticipated Value at Maturity
(AVM--see graph on next page)         $100.85             $100.71

Expense Ratio                          0.57%               0.58%

Past performance is no guarantee of future results. Even if fund shares are held
to maturity,  there is no  guarantee  that the fund's share price will reach its
AVM.  There is also no  guarantee  that the AVM will  fluctuate as little in the
future  as it has  in  the  past.  For  more  information,  please  consult  the
prospectus.


ANNUAL REPORT                         TARGET MATURITIES TRUST: 2005       9


                         TARGET MATURITIES TRUST: 2005

MANAGEMENT Q & A

    An  interview  with  Dave  Schroeder,  a  portfolio  manager  on the  Target
Maturities Trust investment team.

HOW DID THE FUND PERFORM DURING THE FISCAL YEAR ENDED SEPTEMBER 30, 1997?

    The fund  rebounded  from a nearly 3% loss in the first  quarter  of 1997 to
post an 11.60% total return for the one-year period.  The fund's returns reflect
favorable  market  conditions  in the  second  half of the period as well as the
fund's intermediate-term maturity, which causes its portfolio to experience less
price fluctuation than bond portfolios with longer maturities.

    The fund's  benchmark,  a coupon STRIPS issue maturing on November 15, 2005,
returned 12.28% for the period.  The fund typically  underperforms its benchmark
by around 60 basis  points  because the  benchmark  is a security,  not a mutual
fund.  Though the fund's  portfolio is managed to mimic the  performance  of the
security,  the fund is subject to operating  expenses (such as transaction costs
and  management  fees),  while the benchmark is not. The roughly  60-basis-point
difference in  performance  is  approximately  equivalent to the fund's  expense
ratio.

WHAT CHANGES HAVE OCCURRED IN THE FUND'S PORTFOLIO SINCE THE SEMIANNUAL REPORT?

    The fund's net assets grew from $234.0 million on March 31 to $281.7 million
on September 30, due to a favorable  combination  of cash inflows from investors
and positive fund  performance.  We used the new money  primarily to buy STRIPS,
which  is why the  graphs  on page 11 show  that  the  fund  held an  increasing
percentage of STRIPS and a declining

[line graph - data below]

Target 2005: Share Price vs. Anticipated Value at Maturity
             Actual Share Price            Anticipated Value at Maturity
               (Historical)                   (Estimated Share Price)
'85               16.69                                98
'86               23.74                                97
'87               21.28                                94.59
'88               24.36                                93.66
'89               30.18                                93.14
'90               31.26                                97.25
'91               37.97                                99.29
'92               41.597                               99.625
'93               50.575                               100.087
'94               46.066                               100.516
'95               61.108                               100.34
'96               57.829                               100.707
'97               64.54                                100.85
'98
'99
'00
'01
'02
'03
'04
'05

The top line in the graph  represents the fund's  Anticipated  Value at Maturity
(AVM--defined  on page 49), which fluctuates from day to day based on the fund's
expected  maturity date. The bottom line represents the fund's  historical share
price, which is managed to grow over time to reach the fund's AVM.

While this graph  demonstrates  the fund's  expected  long-term  growth pattern,
please  keep in mind  that  the  fund  may  experience  significant  share-price
volatility over the short term.

Past performance is no guarantee of future results. Even if fund shares are held
to maturity,  there is no  guarantee  that the fund's share price will reach its
AVM.  There is also no  guarantee  that the AVM will  fluctuate as little in the
future  as it has  in  the  past.  For  more  information,  please  consult  the
prospectus.


10      TARGET MATURITIES TRUST: 2005          AMERICAN CENTURY INVESTMENTS


                         TARGET MATURITIES TRUST: 2005

percentage of REFCORPs.  REFCORPs typically offer higher yields than STRIPS, but
the yield  difference in this maturity range was narrow during the period due to
strong  demand.  When the yield  spread is small,  we'd  rather own STRIPS  than
REFCORPs because STRIPS are typically easier to buy and sell.

WHAT'S YOUR OUTLOOK FOR THE TREASURY MARKET?

    It might not appear obvious  because of the  volatility  we've seen, but the
Treasury market has been trading in a range since early 1996.  During this time,
the 30-year Treasury bond yield has stayed between 6.25% and 7.25%.  Bond yields
ended the fiscal  year at the low end of this  range.  The  strength of the U.S.
economy has kept interest  rates from falling  below 6%, but low U.S.  inflation
and relatively  passive  monetary  policy by the Federal  Reserve (the Fed) have
kept rates from rising much higher than 7%.

    As 1997 draws to a close,  we remain in this  contradictory  environment  of
strong  economic growth and low inflation.  These two conditions  can't co-exist
forever--something  has to give.  But until this  situation  is  resolved,  bond
yields  aren't  likely  to  break   significantly   out  of  the  range  they've
established.  They won't drop dramatically  unless there are consistent signs of
economic weakness,  and they aren't likely to rise unless the market anticipates
an interest rate hike by the Fed.

    That expectation doesn't exist yet. As of early November,  the federal funds
rate futures  contract  didn't have a Fed interest rate increase  priced into it
until May of next year!  Not only has the Fed not seen  enough  evidence  yet of
inflation,  it also has its hands tied by currency turmoil overseas.  We believe
the Fed is unlikely to make any dramatic interest rate moves because higher U.S.
interest  rates  could  cause  further  devaluations  of already  weak  overseas
currencies.

    Supply and demand factors should also lend support to the Treasury market. A
smaller federal budget deficit means we should see lower levels of Treasury debt
issuance  going  forward.  That would likely bolster prices and help keep yields
down.

    The bottom line is: We expect Treasury yields to remain in the lower half of
their recent range until a clearer direction for the U.S. economy emerges.

WHAT IS YOUR STRATEGY GOING FORWARD?

    To help the fund reach its  anticipated  value at  maturity  (AVM),  we will
likely  continue  to keep its  maturity  date  close to the  November  15,  2005
maturity date of its  benchmark.  Although  there can be no assurances  that the
fund will  reach its AVM,  we manage  the fund to reach or exceed  this value at
maturity.

    We will also  continue  looking  for  opportunities  to  improve  the fund's
liquidity  and yield by  replacing  receipt  zeros  (such as TRs and CATS)  with
REFCORPs and STRIPS.

[pie charts]

PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 9/30/97)
STRIPS            41%
REFCORPs          40%
CATS               8%
TRs                6%
Other              5%

PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 3/31/97)
REFCORPs          43%
STRIPS            36%
CATS               9%
TRs                6%
Other              6%


ANNUAL REPORT                         TARGET MATURITIES TRUST: 2005       11


                            SCHEDULE OF INVESTMENTS
                         TARGET MATURITIES TRUST: 2005

SEPTEMBER 30, 1997

Principal Amount                                                       Value
- --------------------------------------------------------------------------------

ZERO-COUPON U.S. TREASURY SECURITIES(1)

              $    693,750  CUBES, 6.35%, 11/15/04              $      444,468

                    87,000  ETR, 6.34%, 11/15/04                        55,777

                    27,000  TIGR, 6.25%, 11/15/04                       17,418

                11,500,000  REFCORP STRIPS -- COUPON,
                                6.27%, 1/15/05                       7,333,136

                15,000,000  STRIPS -- COUPON, 6.19%,
                                2/15/05                              9,569,926

                 3,200,000  U.S. Treasury Corpus, 6.42%,
                                2/15/10, Call Date 2/15/05           2,008,299

                 4,615,672  CUBES, 6.30%, 5/15/05                    2,877,815

                 1,000,000  ETR, 6.37%, 5/15/05                        620,271

                17,144,000  STRIPS -- COUPON, 6.21%,
                                5/15/05                             10,760,415

                38,559,000  STRIPS -- PRINCIPAL, 6.23%,
                                5/15/05                             24,165,764

                   428,750  TBR, 6.39%, 5/15/05                        265,549

                 6,450,000  TR, 6.375%, 5/15/10, Call Date
                                5/15/05                              3,997,796

                12,500,000  REFCORP STRIPS -- COUPON,
                                6.30%, 7/15/05                       7,711,024

                59,500,000  STRIPS -- PRINCIPAL, 6.21%,
                                 8/15/05                            36,764,905

                40,000,000  REFCORP STRIPS -- COUPON,
                                6.31%, 10/15/05                     24,276,351

                   170,000  CATS, 6.28%, 11/15/05                      102,880

                   491,519  CUBES, 6.30%, 11/15/05                     296,988

                 5,000,000  STRIPS -- COUPON, 6.21%,
                                11/15/05                             3,042,612

                 2,247,000  TBR, 6.39%, 11/15/05                     1,348,106

                10,900,000  U.S. Treasury Corpus, 6.44%,
                                11/15/10, Call Date 11/15/05         6,513,864

                46,429,000  REFCORP STRIPS -- COUPON,
                                6.31%, 1/15/06                      27,744,265

                45,056,000  STRIPS -- COUPON, 6.25%,
                                2/15/06                             26,924,968

                19,415,340  TR, 6.33%, 2/15/06                      11,527,294

                56,800,000  REFCORP STRIPS -- COUPON,
                                6.32%, 4/15/06                      33,390,430

                   107,000  CATS, 6.33%, 5/15/06                        62,521

                38,699,000  CATS, 6.43%, 5/15/11, Call Date
                                5/15/06                             22,423,885

                   566,500  CUBES, 6.35%, 5/15/06                      330,456


Principal Amount                                                       Value
- --------------------------------------------------------------------------------

              $  4,718,000  STRIPS -- COUPON, 6.26%,
                                5/15/06                         $    2,772,931

                   410,000  TBR, 6.44%, 5/15/06                        237,374

                   146,346  TR, 6.34%, 5/15/06                          85,439

                 1,000,000  TR, 6.43%, 5/15/11, Call Date
                                5/15/06                                579,444

                11,428,000  REFCORP STRIPS -- COUPON,
                                6.33%, 7/15/06                       6,608,820

                 2,000,000  STRIPS -- COUPON, 6.28%,
                                8/15/06                              1,156,001

                 1,299,780  TR, 6.36%, 8/15/06                         746,122
                                                                ----------------

TOTAL INVESTMENT SECURITIES--100.0%                               $276,763,314
                                                                ================
   (Cost $257,998,629)

NOTES TO SCHEDULE OF INVESTMENTS

CATS = Certificates of Accrual of Treasury Securities

CUBES = Coupons Under Book Entry Safekeeping

ETR = Easy Growth Treasury Receipts

REFCORP = Resolution Funding Corporation

STRIPS = Separate Trading of Registered Interest and Principal of Securities

TBR = Treasury Bond Receipts

TIGR = Treasury Investment Growth Receipts

TR = Treasury Receipts

(1)  The effective  yield to maturity at September 30, 1997 is indicated.  These
     securities  are  purchased at a  substantial  discount  from their value at
     maturity.

See Notes to Financial Statements


12      TARGET MATURITIES TRUST: 2005          AMERICAN CENTURY INVESTMENTS


<TABLE>
<CAPTION>
                         TARGET MATURITIES TRUST: 2010

                                                                        AVERAGE ANNUAL RETURNS
                                           6 MONTHS     1 YEAR      3 YEARS     5 YEARS    10
YEARS
- ----------------------------------------------------------------------------------------------------
TOTAL RETURNS AS OF SEPTEMBER 30, 1997

<S>                      <C>                <C>         <C>         <C>         <C>         <C>   
Target Maturities Trust: 2010 ............. 14.19%      15.75%      15.79%      11.50%      15.10%

11/15/10 Maturity
STRIPS Issue .............................. 14.70%      16.27%      16.85%      12.21%      15.64%

Merrill Lynch Long-Term
Treasury Index ............................ 11.52%      13.17%      12.47%       8.88%      11.36%
</TABLE>

See pages 48-49 for more information  about returns,  the comparative  index and
the fund's benchmark.


[mountain graph - data below]

Growth of $10,000 Over Ten Years
$10,000 investment made 9/30/87
Value on 9/30/97
                                      11/15/10         Merrill Lynch            
               Target: 2010         STRIPS Issue      Long-Term Index

Sep-87            $10,000             $10,000             $10,000
Oct-87            $11,784             $11,706             $10,735
Nov-87            $11,867             $11,721             $10,740
Dec-87            $12,415             $12,287             $10,954
Jan-88            $13,817             $14,014             $11,616
Feb-88            $14,216             $14,240             $11,759
Mar-88            $12,822             $13,011             $11,394
Apr-88            $12,382             $12,336             $11,211
May-88            $11,809             $11,914             $11,014
Jun-88            $13,029             $13,219             $11,478
Jul-88            $12,315             $12,357             $11,261
Aug-88            $12,349             $12,435             $11,304
Sep-88            $13,328             $13,435             $11,731
Oct-88            $14,166             $14,392             $12,076
Nov-88            $13,610             $13,840             $11,812
Dec-88            $14,365             $14,267             $11,962
Jan-89            $14,780             $15,053             $12,204
Feb-89            $13,975             $14,237             $11,959
Mar-89            $14,307             $14,554             $12,086
Apr-89            $14,805             $15,113             $12,370
May-89            $15,942             $16,268             $12,862
Jun-89            $17,685             $18,151             $13,591
Jul-89            $17,892             $18,273             $13,901
Aug-89            $17,062             $17,341             $13,531
Sep-89            $17,087             $17,489             $13,583
Oct-89            $18,266             $18,754             $14,128
Nov-89            $18,523             $18,952             $14,243
Dec-89            $18,390             $18,880             $14,223
Jan-90            $16,763             $17,107             $13,738
Feb-90            $16,523             $16,946             $13,679
Mar-90            $16,390             $16,830             $13,643
Apr-90            $15,544             $15,794             $13,293
May-90            $16,871             $17,551             $13,914
Jun-90            $17,535             $18,302             $14,231
Jul-90            $17,427             $18,292             $14,377
Aug-90            $15,685             $16,056             $13,755
Sep-90            $15,917             $16,417             $13,931
Oct-90            $16,448             $16,902             $14,242
Nov-90            $17,959             $18,448             $14,833
Dec-90            $18,440             $18,938             $15,142
Jan-91            $18,730             $19,071             $15,313
Feb-91            $18,714             $18,869             $15,373
Mar-91            $18,739             $18,995             $15,423
Apr-91            $18,988             $19,351             $15,627
May-91            $18,896             $19,128             $15,626
Jun-91            $18,465             $18,757             $15,503
Jul-91            $18,780             $19,149             $15,730
Aug-91            $19,909             $20,266             $16,279
Sep-91            $20,813             $21,289             $16,787
Oct-91            $20,647             $21,122             $16,841
Nov-91            $20,481             $20,875             $16,923
Dec-91            $22,324             $22,813             $17,933
Jan-92            $21,320             $21,791             $17,350
Feb-92            $21,469             $21,925             $17,473
Mar-92            $21,062             $21,495             $17,281
Apr-92            $20,739             $21,145             $17,287
May-92            $21,668             $22,092             $17,742
Jun-92            $21,784             $22,170             $17,996
Jul-92            $23,137             $23,532             $18,731
Aug-92            $23,237             $23,606             $18,890
Sep-92            $23,676             $24,050             $19,179
Oct-92            $23,104             $23,460             $18,798
Nov-92            $23,402             $23,823             $18,856
Dec-92            $24,506             $24,951             $19,357
Jan-93            $25,270             $25,712             $19,930
Feb-93            $26,705             $27,221             $20,591
Mar-93            $26,598             $27,167             $20,646
Apr-93            $26,855             $27,331             $20,797
May-93            $27,062             $27,577             $20,874
Jun-93            $29,087             $29,685             $21,751
Jul-93            $30,124             $30,765             $22,087
Aug-93            $31,627             $32,316             $22,972
Sep-93            $31,635             $32,380             $23,074
Oct-93            $32,041             $32,871             $23,217
Nov-93            $30,805             $31,572             $22,625
Dec-93            $30,946             $31,726             $22,692
Jan-94            $32,224             $33,041             $23,244
Feb-94            $29,983             $30,728             $22,273
Mar-94            $28,141             $28,827             $21,364
Apr-94            $27,668             $28,221             $21,036
May-94            $27,178             $27,763             $20,934
Jun-94            $26,763             $27,350             $20,747
Jul-94            $28,058             $28,711             $21,402
Aug-94            $27,627             $28,305             $21,269
Sep-94            $26,282             $26,813             $20,625
Oct-94            $26,066             $26,666             $20,533
Nov-94            $26,539             $27,176             $20,642
Dec-94            $27,369             $28,054             $21,005
Jan-95            $28,191             $28,965             $21,541
Feb-95            $29,112             $29,919             $22,147
Mar-95            $29,394             $30,248             $22,307
Apr-95            $30,083             $30,998             $22,701
May-95            $33,452             $34,565             $24,456
Jun-95            $34,058             $35,226             $24,751
Jul-95            $33,178             $34,318             $24,365
Aug-95            $34,124             $35,340             $24,890
Sep-95            $34,971             $36,265             $25,340
Oct-95            $36,315             $37,772             $26,085
Nov-95            $37,577             $39,059             $26,725
Dec-95            $38,888             $40,488             $27,447
Jan-96            $38,672             $40,213             $27,432
Feb-96            $35,925             $37,360             $26,094
Mar-96            $35,012             $36,430             $25,597
Apr-96            $33,975             $35,283             $25,170
May-96            $33,710             $35,101             $25,049
Jun-96            $34,697             $36,186             $25,557
Jul-96            $34,714             $36,163             $25,557
Aug-96            $34,033             $35,436             $25,246
Sep-96            $35,245             $36,789             $25,937
Oct-96            $37,063             $38,754             $26,948
Nov-96            $38,757             $40,461             $27,834
Dec-96            $37,513             $39,133             $27,175
Jan-97            $37,074             $38,678             $26,999
Feb-97            $37,033             $38,622             $26,962
Mar-97            $35,730             $37,293             $26,321
Apr-97            $36,766             $38,455             $26,961
May-97            $37,240             $38,927             $27,250
Jun-97            $38,052             $39,870             $27,764
Jul-97            $40,914             $42,874             $29,369
Aug-97            $39,388             $41,215             $28,550
Sep-97            $40,797             $42,776             $29,353

Past  performance  does not  guarantee  future  results.  Investment  return and
principal  value will fluctuate,  and redemption  value may be more or less than
original cost.

The line representing the fund's total return includes  operating expenses (such
as transaction costs and management fees) that reduce returns, while the index's
total return line does not.


PORTFOLIO AT A GLANCE

                                      9/30/97              9/30/96

Number of Securities                     16                  16

Anticipated Growth Rate                 5.80%               6.44%

Weighted Average Maturity Date        10/03/10             8/29/10

Anticipated Value at Maturity
(AVM--see graph on next page)          $103.40             $102.53

Expense Ratio                           0.62%               0.67%

Past performance is no guarantee of future results. Even if fund shares are held
to maturity,  there is no  guarantee  that the fund's share price will reach its
AVM.  There is also no  guarantee  that the AVM will  fluctuate as little in the
future  as it has  in  the  past.  For  more  information,  please  consult  the
prospectus.


ANNUAL REPORT                         TARGET MATURITIES TRUST: 2010       13


                         TARGET MATURITIES TRUST: 2010

MANAGEMENT Q & A

    An  interview  with  Dave  Schroeder,  a  portfolio  manager  on the  Target
Maturities Trust investment team.

HOW DID THE FUND PERFORM DURING THE FISCAL YEAR ENDED SEPTEMBER 30, 1997?

    The fund  rebounded  from a nearly 5% loss in the first  quarter  of 1997 to
post a 15.75% total return for the one-year  period.  The fund's returns reflect
favorable  market  conditions  in the  second  half of the period as well as the
fund's intermediate-term maturity, which causes its portfolio to experience less
price fluctuation than bond portfolios with longer maturities.

    The fund's  benchmark,  a coupon STRIPS issue maturing on November 15, 2010,
returned 16.27% for the period.  The fund typically  underperforms its benchmark
by around 60 basis  points  because the  benchmark  is a security,  not a mutual
fund.  Though the fund's  portfolio is managed to mimic the  performance  of the
security,  the fund is subject to operating  expenses (such as transaction costs
and  management  fees),  while the benchmark is not. The roughly  60-basis-point
difference in  performance  is  approximately  equivalent to the fund's  expense
ratio.

WHAT CHANGES HAVE OCCURRED IN THE FUND'S PORTFOLIO SINCE THE SEMIANNUAL REPORT?

    The fund's net assets grew from $100.7 million on March 31 to $124.8 million
on September 30, due to a favorable  combination  of cash inflows from investors
and positive fund  performance.  We used the new money  primarily to buy STRIPS,
which  is why the  graphs  on page 15 show  that  the  fund  held an  increasing
percentage of STRIPS and a declining


[line graph - data below]

Target 2010: Share Price vs. Anticipated Value at Maturity
             Actual Share Price            Anticipated Value at Maturity
               (Historical)                   (Estimated Share Price)

'85               11.43                                97
'86               17.65                                97
'87               14.96                                95.27
'88               17.31                                97.13
'89               22.16                                96.66
'90               22.22                                97.52
'91               26.9                                 98.97
'92               29.534                               100.179
'93               37.292                               100.874
'94               32.981                               101.78
'95               46.864                               101.788
'96               42.474                               102.529
'97               49.16                                103.4
'98
'99
'00
'01
'02
'03
'04
'05
'06
'07
'08
'09
'10


The top line in the graph  represents the fund's  Anticipated  Value at Maturity
(AVM--defined  on page 49), which fluctuates from day to day based on the fund's
expected  maturity date. The bottom line represents the fund's  historical share
price, which is managed to grow over time to reach the fund's AVM.

While this graph  demonstrates  the fund's  expected  long-term  growth pattern,
please  keep in mind  that  the  fund  may  experience  significant  share-price
volatility over the short term.

Past performance is no guarantee of future results. Even if fund shares are held
to maturity,  there is no  guarantee  that the fund's share price will reach its
AVM.  There is also no  guarantee  that the AVM will  fluctuate as little in the
future  as it has  in  the  past.  For  more  information,  please  consult  the
prospectus.


14      TARGET MATURITIES TRUST: 2010          AMERICAN CENTURY INVESTMENTS


                         TARGET MATURITIES TRUST: 2010

percentage of REFCORPs.  REFCORPs typically offer higher yields than STRIPS, but
the yield  difference in this maturity range was narrow during the period due to
strong  demand.  When the yield  spread is small,  we'd  rather own STRIPS  than
REFCORPs because STRIPS are typically easier to buy and sell.

    The "Portfolio at a Glance" chart on page 13 shows that the fund's  weighted
average maturity date extended  significantly.  This reflects a conscious effort
on our part to move the fund's  maturity  date closer to the  November  15, 2010
maturity date of its STRIPS benchmark.  The fund's portfolio is managed to mimic
the performance of that zero-coupon bond as closely as possible.

WHAT'S YOUR OUTLOOK FOR THE TREASURY MARKET?

    It might not appear obvious  because of the  volatility  we've seen, but the
Treasury market has been trading in a range since early 1996.  During this time,
the 30-year Treasury bond yield has stayed between 6.25% and 7.25%.  Bond yields
ended the fiscal  year at the low end of this  range.  The  strength of the U.S.
economy has kept interest  rates from falling  below 6%, but low U.S.  inflation
and relatively  passive  monetary  policy by the Federal  Reserve (the Fed) have
kept rates from rising much higher than 7%.

    As 1997 draws to a close,  we remain in this  contradictory  environment  of
strong  economic growth and low inflation.  These two conditions  can't co-exist
forever--something  has to give.  But until this  situation  is  resolved,  bond
yields  aren't  likely  to  break   significantly   out  of  the  range  they've
established.  They won't drop dramatically  unless there are consistent signs of
economic weakness,  and they aren't likely to rise unless the market anticipates
an interest rate hike by the Fed.

    That expectation doesn't exist yet. As of early November,  the federal funds
rate futures  contract  didn't have a Fed interest rate increase  priced into it
until May of next year!  Not only has the Fed not seen  enough  evidence  yet of
inflation,  it also has its hands tied by currency turmoil overseas.  We believe
the Fed is unlikely to make any dramatic interest rate moves because higher U.S.
interest  rates  could  cause  further  devaluations  of already  weak  overseas
currencies.

WHAT IS YOUR STRATEGY GOING FORWARD?

    In general,  we will  continue  to buy the  highest-  yielding  zeros we can
locate.  We will also  continue to move the fund's  maturity  date closer to the
November 15, 2010 maturity date of its STRIPS benchmark.  We may add REFCORPs to
the fund's portfolio if their prices become more attractive and the yield spread
between them and STRIPS increases. But we still plan to maintain at least 25% of
the fund's assets in STRIPS to meet liquidity needs.

    We  expect to  continue  holding  the  fund's  principal  ETRs,  which  were
purchased in 1993 when their yield was 30 basis points higher than coupon STRIPS
of comparable  maturity.  These securities still offer a yield that is more than
20 basis points higher than like-maturity STRIPS.

[pie charts]

PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 9/30/97)
STRIPS           48%
REFCORPs         41%
ETRs             11%

PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 3/31/97)
STRIPS           44%
REFCORPs         44%
ETRs             12%

ANNUAL REPORT                         TARGET MATURITIES TRUST: 2010       15


                            SCHEDULE OF INVESTMENTS
                         TARGET MATURITIES TRUST: 2010

SEPTEMBER 30, 1997

Principal Amount                                                  Value
- --------------------------------------------------------------------------------

ZERO-COUPON U.S. TREASURY SECURITIES(1)

               $28,520,000  ETR, 6.62%, 5/15/14, Call Date
                                5/15/09                           $  13,386,307

                 2,000,000  REFCORP STRIPS -- COUPON,
                                6.54%, 10/15/09                         921,681

                11,500,000  STRIPS -- PRINCIPAL, 6.50%,
                                11/15/14, Call Date
                                11/15/09                              5,299,005

                 5,772,000  REFCORP STRIPS -- COUPON,
                                6.53%, 1/15/10                        2,620,671

                30,728,000  REFCORP STRIPS -- COUPON,
                                6.55%, 4/15/10                       13,695,678

                   587,000  STRIPS -- COUPON, 6.43%,
                                5/15/10                                 264,062

                15,000,000  REFCORP STRIPS -- COUPON,
                                6.56%, 7/15/10                        6,570,690

                 3,277,000  STRIPS -- COUPON, 6.45%,
                                8/15/10                               1,448,309

                25,000,000  REFCORP STRIPS -- COUPON,
                                6.58%, 10/15/10                      10,748,536

                42,700,000  STRIPS -- COUPON, 6.46%,
                                 11/15/10                            18,539,470

                20,500,000  REFCORP STRIPS -- COUPON,
                                6.57%, 1/15/11                        8,683,575

                29,360,000  STRIPS -- COUPON, 6.47%,
                                2/15/11                              12,538,375

                18,850,000  REFCORP STRIPS -- COUPON,
                                6.57%, 4/15/11                        7,856,545

                10,000,000  STRIPS -- COUPON, 6.47%,
                                5/15/11                               4,200,398

                11,715,000  STRIPS -- COUPON, 6.48%,
                                 8/15/11                              4,839,800

                30,000,000  STRIPS -- COUPON, 6.49%,
                                11/15/11                             12,172,971
                                                             -------------------

TOTAL INVESTMENT SECURITIES--100.0%                                $123,786,073
                                                             ===================
   (Cost $112,470,517)


NOTES TO SCHEDULE OF INVESTMENTS

ETR = Easy Growth Treasury Receipts

REFCORP = Resolution Funding Corporation

STRIPS = Separate Trading of Registered Interest and Principal of Securities

(1)  The effective  yield to maturity at September 30, 1997 is indicated.  These
     securities  are  purchased at a  substantial  discount  from their value at
     maturity.

See Notes to Financial Statements


16      TARGET MATURITIES TRUST: 2010          AMERICAN CENTURY INVESTMENTS


<TABLE>
<CAPTION>
                         TARGET MATURITIES TRUST: 2015

                                                                       AVERAGE ANNUAL RETURNS
                                           6 MONTHS     1 YEAR     3 YEARS     5 YEARS    10
YEARS
- ----------------------------------------------------------------------------------------------------
TOTAL RETURNS AS OF SEPTEMBER 30, 1997

<S>                      <C>                <C>         <C>         <C>        <C>         <C>   
Target Maturities Trust: 2015 ............  18.81%      19.96%      18.93%     13.46%      15.56%

11/15/15 Maturity
STRIPS Issue .............................  19.29%      20.30%      19.70%     14.02%      15.64%

Merrill Lynch Long-Term
Treasury Index ...........................  11.52%      13.17%      12.47%      8.88%      11.36%
</TABLE>

See pages 48-49 for more information  about returns,  the comparative  index and
the fund's benchmark.

[mountain graph - data below]

Growth of $10,000 Over Ten Years
$10,000 investment made 9/30/87                                 
Value on 9/30/97
                                      11/15/15         Merrill Lynch           
                Target: 2015        STRIPS Issue      Long-Term Index

Sep-87            $10,000             $10,000             $10,000
Oct-87            $11,783             $11,217             $10,735
Nov-87            $11,949             $11,302             $10,740
Dec-87            $12,591             $12,045             $10,954
Jan-88            $14,452             $13,637             $11,616
Feb-88            $14,862             $14,330             $11,759
Mar-88            $13,189             $12,775             $11,394
Apr-88            $12,392             $12,137             $11,211
May-88            $11,783             $11,305             $11,014
Jun-88            $12,901             $12,549             $11,478
Jul-88            $11,993             $11,473             $11,261
Aug-88            $11,838             $11,448             $11,304
Sep-88            $12,979             $12,631             $11,731
Oct-88            $14,031             $13,682             $12,076
Nov-88            $13,112             $12,785             $11,812
Dec-88            $13,987             $13,385             $11,962
Jan-89            $14,452             $14,234             $12,204
Feb-89            $13,787             $13,439             $11,959
Mar-89            $14,175             $13,783             $12,086
Apr-89            $14,463             $14,160             $12,370
May-89            $15,781             $15,359             $12,862
Jun-89            $18,062             $17,687             $13,591
Jul-89            $18,339             $17,985             $13,901
Aug-89            $17,353             $16,956             $13,531
Sep-89            $17,298             $16,979             $13,583
Oct-89            $18,527             $18,478             $14,128
Nov-89            $18,959             $18,643             $14,243
Dec-89            $18,671             $18,342             $14,223
Jan-90            $16,844             $16,646             $13,738
Feb-90            $16,611             $16,222             $13,679
Mar-90            $16,235             $15,898             $13,643
Apr-90            $14,928             $14,627             $13,293
May-90            $16,689             $16,286             $13,914
Jun-90            $17,342             $17,046             $14,231
Jul-90            $17,353             $17,045             $14,377
Aug-90            $15,050             $14,707             $13,755
Sep-90            $15,227             $14,915             $13,931
Oct-90            $15,836             $15,660             $14,242
Nov-90            $17,497             $17,190             $14,833
Dec-90            $18,040             $17,646             $15,142
Jan-91            $18,405             $18,069             $15,313
Feb-91            $18,250             $18,011             $15,373
Mar-91            $18,272             $18,002             $15,423
Apr-91            $18,583             $18,434             $15,627
May-91            $18,317             $17,921             $15,626
Jun-91            $17,763             $17,455             $15,503
Jul-91            $18,162             $17,962             $15,730
Aug-91            $19,491             $19,079             $16,279
Sep-91            $20,421             $20,077             $16,787
Oct-91            $20,100             $19,752             $16,841
Nov-91            $19,679             $19,249             $16,923
Dec-91            $22,093             $21,645             $17,933
Jan-92            $20,842             $20,391             $17,350
Feb-92            $21,096             $20,657             $17,473
Mar-92            $20,698             $20,244             $17,281
Apr-92            $20,277             $19,879             $17,287
May-92            $21,274             $20,885             $17,742
Jun-92            $21,130             $20,705             $17,996
Jul-92            $22,857             $22,446             $18,731
Aug-92            $22,614             $22,196             $18,890
Sep-92            $22,580             $22,191             $19,179
Oct-92            $21,960             $21,559             $18,798
Nov-92            $22,857             $22,437             $18,856
Dec-92            $23,810             $23,397             $19,357
Jan-93            $24,629             $24,223             $19,930
Feb-93            $26,024             $25,623             $20,591
Mar-93            $25,792             $25,404             $20,646
Apr-93            $26,013             $25,617             $20,797
May-93            $26,567             $26,157             $20,874
Jun-93            $28,450             $28,033             $21,751
Jul-93            $29,911             $29,502             $22,087
Aug-93            $32,436             $32,067             $22,972
Sep-93            $32,159             $31,795             $23,074
Oct-93            $32,735             $32,375             $23,217
Nov-93            $31,274             $30,879             $22,625
Dec-93            $31,074             $30,764             $22,692
Jan-94            $32,337             $32,038             $23,244
Feb-94            $29,945             $29,674             $22,273
Mar-94            $28,029             $27,694             $21,364
Apr-94            $27,331             $27,032             $21,036
May-94            $26,523             $26,246             $20,934
Jun-94            $26,002             $25,717             $20,747
Jul-94            $27,807             $27,547             $21,402
Aug-94            $26,866             $26,600             $21,269
Sep-94            $25,238             $24,934             $20,625
Oct-94            $25,150             $24,854             $20,533
Nov-94            $25,803             $25,504             $20,642
Dec-94            $26,700             $26,431             $21,005
Jan-95            $27,719             $27,507             $21,541
Feb-95            $28,472             $28,200             $22,147
Mar-95            $28,970             $28,725             $22,307
Apr-95            $29,513             $29,354             $22,701
May-95            $33,810             $33,699             $24,456
Jun-95            $34,264             $34,125             $24,751
Jul-95            $33,090             $32,973             $24,365
Aug-95            $34,618             $34,525             $24,890
Sep-95            $35,659             $35,569             $25,340
Oct-95            $37,564             $37,556             $26,085
Nov-95            $38,981             $38,906             $26,725
Dec-95            $40,775             $40,717             $27,447
Jan-96            $40,299             $40,243             $27,432
Feb-96            $36,556             $36,588             $26,094
Mar-96            $35,138             $35,171             $25,597
Apr-96            $34,053             $34,054             $25,170
May-96            $33,976             $34,005             $25,049
Jun-96            $35,039             $35,166             $25,557
Jul-96            $35,050             $35,064             $25,557
Aug-96            $33,876             $33,923             $25,246
Sep-96            $35,394             $35,548             $25,937
Oct-96            $37,751             $38,001             $26,948
Nov-96            $40,042             $40,072             $27,834
Dec-96            $38,316             $38,433             $27,175
Jan-97            $37,496             $37,685             $26,999
Feb-97            $37,496             $37,613             $26,962
Mar-97            $35,734             $35,849             $26,321
Apr-97            $37,063             $37,177             $26,961
May-97            $37,560             $37,863             $27,250
Jun-97            $38,702             $39,048             $27,764
Jul-97            $42,766             $42,986             $29,369
Aug-97            $40,495             $40,778             $28,550
Sep-97            $42,458             $42,766             $29,353


Past  performance  does not  guarantee  future  results.  Investment  return and
principal  value will fluctuate,  and redemption  value may be more or less than
original cost.

The line representing the fund's total return includes  operating expenses (such
as transaction costs and management fees) that reduce returns, while the index's
total return line does not.


PORTFOLIO AT A GLANCE

                                      9/30/97             9/30/96

Number of Securities                    11                   12

Anticipated Growth Rate                5.93%                6.58%

Weighted Average Maturity Date       11/17/15             11/12/15

Anticipated Value at Maturity
(AVM--see graph on next page)         $110.52              $110.11

Expense Ratio                          0.61%                0.65%

Past performance is no guarantee of future results. Even if fund shares are held
to maturity,  there is no  guarantee  that the fund's share price will reach its
AVM.  There is also no  guarantee  that the AVM will  fluctuate as little in the
future  as it has  in  the  past.  For  more  information,  please  consult  the
prospectus.


ANNUAL REPORT                         TARGET MATURITIES TRUST: 2015       17


                         TARGET MATURITIES TRUST: 2015

MANAGEMENT Q & A

    An  interview  with  Dave  Schroeder,  a  portfolio  manager  on the  Target
Maturities Trust investment team.

HOW DID THE FUND PERFORM DURING THE FISCAL YEAR ENDED SEPTEMBER 30, 1997?

    The fund  rebounded  from a nearly 7% loss in the first  quarter  of 1997 to
post a 19.96% total return for the one-year  period.  The fund's returns reflect
favorable  market  conditions  in the  second  half of the period as well as the
fund's   longer-term   maturity,   which  causes  its  portfolio  to  experience
considerable price and performance fluctuations.

    The fund's  benchmark,  a coupon STRIPS issue maturing on November 15, 2015,
returned 20.30% for the period.  The fund typically  underperforms its benchmark
because  the  benchmark  is a  security,  not a mutual  fund.  Though the fund's
portfolio  is  managed to mimic the  performance  of the  security,  the fund is
subject to operating  expenses (such as transaction  costs and management fees),
while the benchmark is not.  Assuming the fund's  maturity date remains close to
the  benchmark's,  the difference in performance is  approximately  equal to the
fund's expense ratio.

WHAT CHANGES HAVE OCCURRED IN THE FUND'S PORTFOLIO SINCE THE SEMIANNUAL REPORT?

    There  hasn't been much  activity  in this fund.  The fund's net assets grew
from $104.9  million on March 31 to $114.9  million on September  30,  primarily
because of positive fund  performance.  The fund's  investments  remained  split
evenly between coupon STRIPS and coupon REFCORPs,  the most available securities
in this maturity sector of the Treasury zero market.

[line graph - data below]

Target 2015: Share Price vs. Anticipated Value at Maturity
             Actual Share Price            Anticipated Value at Maturity
               (Historical)                   (Estimated Share Price)
'86               14.24                                101
'87               11.37                                102.86
'88               12.63                                102.75
'89               16.86                                101.77
'90               16.29                                102.24
'91               19.95                                106.05
'92               21.502                               107.792
'93               28.064                               106.952
'94               24.11                                108.832
'95               36.819                               109.462
'96               31.962                               110.109
'97               38.34                                110.52
'98    
'99
'00
'01
'02
'03
'04
'05
'06
'07
'08
'09
'10
'11
'12
'13
'14
'15

The top line in the graph  represents the fund's  Anticipated  Value at Maturity
(AVM--defined  on page 49), which fluctuates from day to day based on the fund's
expected  maturity date. The bottom line represents the fund's  historical share
price, which is managed to grow over time to reach the fund's AVM.

While this graph  demonstrates  the fund's  expected  long-term  growth pattern,
please  keep in mind  that  the  fund  may  experience  significant  share-price
volatility over the short term.

Past performance is no guarantee of future results. Even if fund shares are held
to maturity,  there is no  guarantee  that the fund's share price will reach its
AVM.  There is also no  guarantee  that the AVM will  fluctuate as little in the
future  as it has  in  the  past.  For  more  information,  please  consult  the
prospectus.


18      TARGET MATURITIES TRUST: 2015          AMERICAN CENTURY INVESTMENTS


                         TARGET MATURITIES TRUST: 2015

WHAT'S YOUR OUTLOOK FOR THE TREASURY MARKET?

    It might not appear obvious  because of the  volatility  we've seen, but the
Treasury market has been trading in a range since early 1996.  During this time,
the 30-year Treasury bond yield has stayed between 6.25% and 7.25%.  Bond yields
ended the fiscal  year at the low end of this  range.  The  strength of the U.S.
economy has kept interest  rates from falling  below 6%, but low U.S.  inflation
and relatively  passive  monetary  policy by the Federal  Reserve (the Fed) have
kept rates from rising much higher than 7%.

    As 1997 draws to a close,  we remain in this  contradictory  environment  of
strong  economic growth and low inflation.  These two conditions  can't co-exist
forever--something  has to give.  But until this  situation  is  resolved,  bond
yields  aren't  likely  to  break   significantly   out  of  the  range  they've
established.  They won't drop dramatically  unless there are consistent signs of
economic weakness,  and they aren't likely to rise unless the market anticipates
an interest rate hike by the Fed.

    That expectation doesn't exist yet. As of early November,  the federal funds
rate futures  contract  didn't have a Fed interest rate increase  priced into it
until May of next year!  Not only has the Fed not seen  enough  evidence  yet of
inflation,  it also has its hands tied by currency turmoil overseas.  We believe
the Fed is unlikely to make any dramatic interest rate moves because higher U.S.
interest  rates  could  cause  further  devaluations  of already  weak  overseas
currencies.

    Supply and demand factors should also lend support to the Treasury market. A
smaller federal budget deficit means we should see lower levels of Treasury debt
issuance  going  forward.  That would likely bolster prices and help keep yields
down.

    The bottom line is: We expect Treasury yields to remain in the lower half of
their recent range until a clearer direction for the U.S. economy emerges.

WHAT IS YOUR STRATEGY GOING FORWARD?

    To help the fund reach its  anticipated  value at  maturity  (AVM),  we will
likely  continue  to keep its  maturity  date  close to the  November  15,  2015
maturity date of its  benchmark.  Although  there can be no assurances  that the
fund will  reach its AVM,  we manage  the fund to reach or exceed  this value at
maturity.

    In general,  we will also continue to buy the highest- yielding zeros we can
find.  As always,  we will  continue  to monitor the  relative  values of coupon
STRIPS  and  principal  STRIPS,  shifting  the  fund's  assets  toward  the more
attractively  priced  sector.  We will also likely  maintain the fund's  current
asset allocation: approximately 50% STRIPS, 50% REFCORPs.

[pie charts]

PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 9/30/97) 
STRIPS           50%
REFCORPs         50%

PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 3/31/97)
STRIPS           50%
REFCORPs         50%


ANNUAL REPORT                         TARGET MATURITIES TRUST: 2015       19


                            SCHEDULE OF INVESTMENTS
                         TARGET MATURITIES TRUST: 2015

SEPTEMBER 30, 1997

Principal Amount                                                        Value
- --------------------------------------------------------------------------------

ZERO-COUPON U.S. TREASURY SECURITIES(1)

              $  4,350,000  STRIPS -- COUPON, 6.58%,
                                2/15/15                          $    1,412,669

                35,440,000  REFCORP STRIPS -- COUPON,
                                6.71%, 4/15/15                       11,147,144

                39,408,000  STRIPS -- COUPON, 6.58%,
                                5/15/15                              12,592,342

                29,644,000  REFCORP STRIPS -- COUPON,
                                6.72%, 7/15/15                        9,155,977

                35,050,000  STRIPS -- COUPON, 6.59%,
                                8/15/15                              11,010,456

                48,421,000  REFCORP STRIPS -- COUPON,
                                6.72%, 10/15/15                      14,710,407

                53,308,000  STRIPS -- COUPON, 6.59%,
                                11/15/15                             16,476,891

                36,300,000  STRIPS -- COUPON, 6.59%,
                                2/15/16                              11,029,831

                17,700,000  STRIPS -- COUPON, 6.59%,
                                5/15/16                               5,291,708

                50,500,000  REFCORP STRIPS -- COUPON,
                                6.72%, 7/15/16                       14,600,754

                25,500,000  REFCORP STRIPS -- COUPON,
                                6.72%, 10/15/16                       7,251,822
                                                             -------------------

TOTAL INVESTMENT SECURITIES--100.0%                                $114,680,001
                                                             ===================

   (Cost $84,422,308)

NOTES TO SCHEDULE OF INVESTMENTS

REFCORP = Resolution Funding Corporation

STRIPS = Separate Trading of Registered Interest and Principal of Securities

(1)  The effective  yield to maturity at September 30, 1997 is indicated.  These
     securities  are  purchased at a  substantial  discount  from their value at
     maturity.

See Notes to Financial Statements


20      TARGET MATURITIES TRUST: 2015          AMERICAN CENTURY INVESTMENTS


<TABLE>
<CAPTION>
                         TARGET MATURITIES TRUST: 2020

                                                                          AVERAGE ANNUAL RETURNS
                                           6 MONTHS     1 YEAR      3 YEARS     5 YEARS     LIFE OF
FUND(1)
- --------------------------------------------------------------------------------------------------------------
TOTAL RETURNS AS OF SEPTEMBER 30, 1997

<S>                      <C>                <C>         <C>         <C>         <C>         <C>   
Target Maturities Trust: 2020 ............. 22.89%      23.50%      21.15%      14.79%      11.12%

Fund Benchmark(2) ......................... 23.45%      23.89%      22.02%      15.27%      10.54%(3)

Merrill Lynch Long-Term
Treasury Index ............................ 11.52%      13.17%      12.47%       8.88%       9.80%(3)
</TABLE>
- ----------
(1) Inception date was December 29, 1989.

(2)  From December 1989 through April 1990, the fund's  benchmark was an 8/15/19
     STRIPS issue; from May 1990 through October 1991, it was an 11/15/19 STRIPS
     issue;  and from  November  1991 to the  present,  it has been an  11/15/20
     STRIPS issue.

(3)  Returns since December 31, 1989, the date nearest the fund's  inception for
     which data are available.

See pages 48-49 for more information  about returns,  the comparative  index and
the fund's benchmark.

[mountain graph - data below]

Growth of 10,000 Over Life of Fund
$10,000 investment made 12/31/89                                 
Value on 9/30/97
                                      Fund             Merrill Lynch            
               Target: 2020        Benchmark          Long-Term Index

Dec-89           $10,000            $10,000             $10,000
Jan-90            $9,083             $9,063             $9,659
Feb-90            $8,767             $8,518             $9,617
Mar-90            $8,658             $8,407             $9,593
Apr-90            $7,967             $7,781             $9,346
May-90            $8,917             $8,351             $9,783
Jun-90            $9,258             $8,818             $10,006
Jul-90            $9,308             $9,237             $10,108
Aug-90            $7,950             $7,837             $9,671
Sep-90            $8,025             $7,976             $9,795
Oct-90            $8,458             $8,356             $10,013
Nov-90            $9,275             $8,845             $10,429
Dec-90            $9,550             $9,080             $10,646
Jan-91            $9,800             $9,373             $10,766
Feb-91            $9,850             $9,275             $10,809
Mar-91            $9,717             $9,257             $10,844
Apr-91            $9,808             $9,399             $10,987
May-91            $9,633             $9,133             $10,986
Jun-91            $9,208             $8,774             $10,900
Jul-91            $9,458             $9,058             $11,059
Aug-91            $10,117            $9,601             $11,446
Sep-91            $10,450            $10,012            $11,803
Oct-91            $10,117            $9,551             $11,841
Nov-91            $9,792             $9,257             $11,898
Dec-91            $11,208            $10,623            $12,608
Jan-92            $10,558            $10,005            $12,199
Feb-92            $10,742            $10,094            $12,285
Mar-92            $10,592            $9,970             $12,150
Apr-92            $10,408            $9,818             $12,154
May-92            $10,942            $10,295            $12,474
Jun-92            $10,842            $10,226            $12,653
Jul-92            $11,708            $11,110            $13,170
Aug-92            $11,533            $10,884            $13,281
Sep-92            $11,358            $10,690            $13,485
Oct-92            $10,925            $10,305            $13,217
Nov-92            $11,508            $10,861            $13,257
Dec-92            $12,142            $11,474            $13,609
Jan-93            $12,675            $11,985            $14,013
Feb-93            $13,383            $12,716            $14,477
Mar-93            $13,358            $12,631            $14,516
Apr-93            $13,300            $12,608            $14,622
May-93            $13,708            $12,951            $14,676
Jun-93            $14,692            $13,854            $15,293
Jul-93            $15,775            $14,963            $15,529
Aug-93            $17,542            $16,680            $16,152
Sep-93            $17,267            $16,421            $16,223
Oct-93            $17,583            $16,769            $16,324
Nov-93            $16,625            $15,862            $15,907
Dec-93            $16,467            $15,625            $15,955
Jan-94            $17,100            $16,254            $16,342
Feb-94            $15,800            $14,984            $15,660
Mar-94            $14,508            $13,672            $15,021
Apr-94            $14,142            $13,354            $14,790
May-94            $13,750            $12,955            $14,719
Jun-94            $13,375            $12,613            $14,587
Jul-94            $14,417            $13,623            $15,048
Aug-94            $13,767            $12,992            $14,954
Sep-94            $12,733            $11,974            $14,501
Oct-94            $12,608            $11,832            $14,437
Nov-94            $12,992            $12,212            $14,513
Dec-94            $13,558            $12,775            $14,768
Jan-95            $14,175            $13,401            $15,146
Feb-95            $14,533            $13,750            $15,571
Mar-95            $14,767            $13,925            $15,684
Apr-95            $15,075            $14,250            $15,961
May-95            $17,642            $16,707            $17,195
Jun-95            $17,933            $17,009            $17,402
Jul-95            $17,117            $16,274            $17,131
Aug-95            $18,008            $17,105            $17,500
Sep-95            $18,725            $17,816            $17,816
Oct-95            $19,917            $18,972            $18,340
Nov-95            $20,667            $19,659            $18,790
Dec-95            $21,875            $20,861            $19,298
Jan-96            $21,492            $20,480            $19,288
Feb-96            $19,067            $18,155            $18,347
Mar-96            $18,242            $17,378            $17,997
Apr-96            $17,583            $16,761            $17,697
May-96            $17,608            $16,824            $17,612
Jun-96            $18,133            $17,361            $17,969
Jul-96            $18,150            $17,391            $17,969
Aug-96            $17,450            $16,655            $17,750
Sep-96            $18,333            $17,558            $18,236
Oct-96            $19,741            $19,071            $18,947
Nov-96            $21,107            $20,130            $19,570
Dec-96            $20,033            $19,111            $19,107
Jan-97            $19,408            $18,529            $18,983
Feb-97            $19,415            $18,543            $18,957
Mar-97            $18,423            $17,620            $18,506
Apr-97            $19,265            $18,424            $18,956
May-97            $19,573            $18,742            $19,159
Jun-97            $20,264            $19,504            $19,520
Jul-97            $22,964            $21,958            $20,649
Aug-97            $21,464            $20,593            $20,073
Sep-97            $22,642            $21,752            $20,648

Past  performance  does not  guarantee  future  results.  Investment  return and
principal  value will fluctuate,  and redemption  value may be more or less than
original cost.

The chart begins on 12/31/89,  the date  nearest the fund's  12/29/89  inception
date for which data are available. The line representing the fund's total return
includes operating expenses (such as transaction costs and management fees) that
reduce returns, while the index's total return line does not.


PORTFOLIO AT A GLANCE

                                     9/30/97             9/30/96

Number of Securities                   15                  19

Anticipated Growth Rate               5.98%               6.59%

Weighted Average Maturity Date       9/01/20             8/21/20

Anticipated Value at Maturity
(AVM--see graph on next page)        $104.84             $103.60

Expense Ratio                         0.53%               0.61%

Past performance is no guarantee of future results. Even if fund shares are held
to maturity,  there is no  guarantee  that the fund's share price will reach its
AVM.  There is also no  guarantee  that the AVM will  fluctuate as little in the
future  as it has  in  the  past.  For  more  information,  please  consult  the
prospectus.


ANNUAL REPORT                         TARGET MATURITIES TRUST: 2020       21


                         TARGET MATURITIES TRUST: 2020

MANAGEMENT Q & A

    An  interview  with  Dave  Schroeder,  a  portfolio  manager  on the  Target
Maturities Trust investment team.

HOW DID THE FUND PERFORM DURING THE FISCAL YEAR ENDED SEPTEMBER 30, 1997?

    The fund  rebounded  from an 8% loss in the first  quarter of 1997 to post a
23.50%  total  return  for the  one-year  period.  The  fund's  returns  reflect
favorable  market  conditions  in the  second  half of the period as well as the
fund's  position at the long end of the maturity  spectrum,  where interest rate
fluctuations typically have a considerable impact on performance.

    The fund's  benchmark,  a coupon STRIPS issue maturing on November 15, 2020,
returned 23.89% for the period.  The fund typically  underperforms its benchmark
because  the  benchmark  is a  security,  not a mutual  fund.  Though the fund's
portfolio  is  managed to mimic the  performance  of the  security,  the fund is
subject to operating  expenses (such as transaction  costs and management fees),
while the benchmark is not.  Assuming the fund's  maturity date remains close to
the  benchmark's,  the difference in performance is  approximately  equal to the
fund's expense ratio.

WHAT CHANGES HAVE OCCURRED IN THE FUND'S PORTFOLIO SINCE THE SEMIANNUAL REPORT?

    In spite of the fund's strong  performance for the period, the biggest story
was  withdrawals  and  security  sales  due to  investors  making  market-timing
decisions.  The fund's net assets fell from $831.4 million on March 31 to $553.6
million on September 30 because of shareholder withdrawals.  The biggest outflow
occurred in July, when an investment  newsletter writer who typically recommends
the fund to his readers when he sees signs of an

[line graph - data below]

Target 2020: Share Price vs. Anticipated Value at Maturity
             Actual Share Price            Anticipated Value at Maturity
               (Historical)                   (Estimated Share Price)
'90               11.46                                92.6
'91               13.45                                97.77
'92               14.575                               102.184
'93               19.765                               101.274
'94               16.273                               102.175
'95               26.245                               102.54
'96               22                                   103.598
'97               27.17                                104.84
'98
'99
'00
'01
'02
'03
'04
'05
'06
'07
'08
'09
'10
'11
'12
'13
'14
'15
'16
'17
'18
'19
'20

The top line in the graph  represents the fund's  Anticipated  Value at Maturity
(AVM--defined  on page 49), which fluctuates from day to day based on the fund's
expected  maturity date. The bottom line represents the fund's  historical share
price, which is managed to grow over time to reach the fund's AVM.

While this graph  demonstrates  the fund's  expected  long-term  growth pattern,
please  keep in mind  that  the  fund  may  experience  significant  share-price
volatility over the short term.

Past performance is no guarantee of future results. Even if fund shares are held
to maturity,  there is no  guarantee  that the fund's share price will reach its
AVM.  There is also no  guarantee  that the AVM will  fluctuate as little in the
future  as it has  in  the  past.  For  more  information,  please  consult  the
prospectus.


22      TARGET MATURITIES TRUST: 2020          AMERICAN CENTURY INVESTMENTS


                         TARGET MATURITIES TRUST: 2020


economic  slowdown  on the  horizon,  suggested  liquidating  at least some fund
shares when the 30-year Treasury bond yield dropped below 6.50%.

    To meet the needs of investors  who sold fund shares  during the period,  we
sold STRIPS, the fund's lowest-yielding,  most-liquid holdings. As a result, the
fund's  percentage  of STRIPS  holdings  declined and its  percentage of REFCORP
holdings increased,  as shown by the graphs below. Retaining the higher-yielding
REFCORPs was beneficial to the fund's anticipated value at maturity (AVM).

WHAT'S YOUR OUTLOOK FOR THE TREASURY MARKET?

    It might not appear obvious  because of the  volatility  we've seen, but the
Treasury market has been trading in a range since early 1996.  During this time,
the 30-year Treasury bond yield has stayed between 6.25% and 7.25%.  Bond yields
ended the fiscal  year at the low end of this  range.  The  strength of the U.S.
economy has kept interest  rates from falling  below 6%, but low U.S.  inflation
and relatively  passive  monetary  policy by the Federal  Reserve (the Fed) have
kept rates from rising much higher than 7%.

    As 1997 draws to a close,  we remain in this  contradictory  environment  of
strong  economic growth and low inflation.  These two conditions  can't co-exist
forever--something  has to give.  But until this  situation  is  resolved,  bond
yields  aren't  likely  to  break   significantly   out  of  the  range  they've
established.  They won't drop dramatically  unless there are consistent signs of
economic weakness,  and they aren't likely to rise unless the market anticipates
an interest rate hike by the Fed.

    That expectation doesn't exist yet. As of early November,  the federal funds
rate futures  contract  didn't have a Fed interest rate increase  priced into it
until May of next year!  Not only has the Fed not seen  enough  evidence  yet of
inflation,  it also has its hands tied by currency turmoil overseas.  We believe
the Fed is unlikely to make any dramatic interest rate moves because higher U.S.
interest  rates  could  cause  further  devaluations  of already  weak  overseas
currencies.

WHAT IS YOUR STRATEGY GOING FORWARD?

    To help the fund reach its AVM, we will  continue to move its maturity  date
closer to the November 15, 2020 maturity date of its  benchmark.  Although there
can be no  assurances  that the fund will  reach its AVM,  we manage the fund to
reach or exceed this value at maturity.

    In general,  we will also continue to buy the highest- yielding zeros we can
find. We will likely continue to use STRIPS to meet the fund's cash flow needs.

[pie charts]

PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 9/30/97)
REFCORPs          63%
STRIPS            37%

PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 3/31/97)
REFCORPs          51%
STRIPS            49%

ANNUAL REPORT                         TARGET MATURITIES TRUST: 2020       23


                            SCHEDULE OF INVESTMENTS
                         TARGET MATURITIES TRUST: 2020

SEPTEMBER 30, 1997

Principal Amount                                                  Value
- --------------------------------------------------------------------------------

ZERO-COUPON U.S. TREASURY SECURITIES(1)

$               82,823,000  REFCORP STRIPS -- COUPON,
                                6.76%, 1/15/20                    $  18,840,621

               240,000,000  STRIPS -- COUPON, 6.62%,
                                2/15/20(2)                           55,900,723

                38,344,000  REFCORP STRIPS -- COUPON,
                                6.76%, 4/15/20                        8,578,723

                70,500,000  STRIPS -- COUPON, 6.62%,
                                5/15/20                              16,155,638

                74,400,000  REFCORP STRIPS -- COUPON,
                                6.75%, 7/15/20                       16,407,731

               486,000,000  REFCORP STRIPS -- PRINCIPAL,
                                6.76%, 7/15/20                      106,825,719

               217,135,000  STRIPS -- COUPON, 6.61%,
                                8/15/20                              49,063,122

                16,165,000  REFCORP STRIPS -- COUPON,
                                6.75%, 10/15/20                       3,502,344

               600,000,000  REFCORP STRIPS -- PRINCIPAL,
                                6.76%, 10/15/20                     129,707,932

               249,407,000  STRIPS -- COUPON, 6.61%,
                                11/15/20                             55,446,395

                20,482,000  REFCORP STRIPS -- COUPON,
                                6.76%, 1/15/21                        4,359,780

               294,945,000  REFCORP STRIPS -- PRINCIPAL,
                                6.75%, 1/15/21                       62,852,478

                88,250,000  STRIPS -- COUPON, 6.61%,
                                2/15/21                              19,324,578

                27,500,000  STRIPS -- COUPON, 6.61%,
                                5/15/21                               5,924,785

                14,500,000  STRIPS -- COUPON, 6.60%,
                                11/15/21                              3,031,176
                                                             -------------------

TOTAL INVESTMENT SECURITIES--100.0%                                $555,921,745
                                                             ===================
   (Cost $456,481,868)

NOTES TO SCHEDULE OF INVESTMENTS

REFCORP = Resolution Funding Corporation

STRIPS = Separate Trading of Registered Interest and Principal of Securities

(1)  The effective  yield to maturity at September 30, 1997 is indicated.  These
     securities  are  purchased at a  substantial  discount  from their value at
     maturity.

(2)  Security position,  or a portion thereof,  has been loaned.  (See Note 4 in
     the Notes to Financial Statements.)

See Notes to Financial Statements


24      TARGET MATURITIES TRUST: 2020          AMERICAN CENTURY INVESTMENTS


<TABLE>
<CAPTION>
                         TARGET MATURITIES TRUST: 2025

                                            6 MONTHS     1 YEAR    LIFE OF
FUND(1)
- ----------------------------------------------------------------------------------
TOTAL RETURNS AS OF SEPTEMBER 30, 1997

<S>                      <C>                 <C>         <C>         <C>  
Target Maturities Trust: 2025 .............. 26.32%      24.34%      7.35%

8/15/25 Maturity
STRIPS Issue ............................... 25.13%      21.58%      3.48%

Merrill Lynch Long-Term
Treasury Index ............................. 11.52%      13.17%      5.18%
</TABLE>
- ----------
(1) Average annual returns. Inception date was February 15, 1996.

See pages 48-49 for more information  about returns,  the comparative  index and
the fund's benchmark.

[mountain graph - data below]

Growth of 10,000 Over Life of Fund
$10,000 investment made 2/15/96                                 
Value on 9/30/97
                                      8/15/25          Merrill Lynch            
               Target: 2025        STRIPS Issue       Long-Term Index
15-Feb            $10,000            $10,000            $10,000

Feb-96            $9,308             $9,650             $9,542
Mar-96            $8,965             $9,466             $9,124
Apr-96            $8,354             $9,308             $8,756
May-96            $8,403             $9,263             $8,746
Jun-96            $8,713             $9,451             $8,983
Jul-96            $8,645             $9,451             $8,968
Aug-96            $8,198             $9,336             $8,529
Sep-96            $8,696             $9,591             $9,023
Oct-96            $9,456             $9,965             $9,799
Nov-96            $10,105            $10,293            $10,540
Dec-96            $9,455             $10,049            $9,890
Jan-97            $9,048             $9,984             $9,492
Feb-97            $8,946             $9,970             $9,427
Mar-97            $8,449             $9,733             $8,883
Apr-97            $8,854             $9,970             $9,392
May-97            $9,002             $10,077            $9,558
Jun-97            $9,432             $10,267            $9,966
Jul-97            $10,865            $10,861            $11,463
Aug-97            $9,989             $10,558            $10,561
Sep-97            $10,572            $10,855            $11,219

Past  performance  does not  guarantee  future  results.  Investment  return and
principal  value will fluctuate,  and redemption  value may be more or less than
original cost.

The line representing the fund's total return includes  operating expenses (such
as transaction costs and management fees) that reduce returns, while the index's
total return line does not.


PORTFOLIO AT A GLANCE

                                     9/30/97            9/30/96

Number of Securities                   14                 12

Anticipated Growth Rate               5.86%              6.43%

Weighted Average Maturity Date       7/10/25            4/9/25

Anticipated Value at Maturity
(AVM--see graph on next page)        $110.88            $109.24

Expense Ratio                         0.62%              0.67%

Past performance is no guarantee of future results. Even if fund shares are held
to maturity,  there is no  guarantee  that the fund's share price will reach its
AVM.  There is also no  guarantee  that the AVM will  fluctuate as little in the
future  as it has  in  the  past.  For  more  information,  please  consult  the
prospectus.


ANNUAL REPORT                         TARGET MATURITIES TRUST: 2025       25


                         TARGET MATURITIES TRUST: 2025

MANAGEMENT Q & A

    An  interview  with  Dave  Schroeder,  a  portfolio  manager  on the  Target
Maturities Trust investment team.

HOW DID THE FUND PERFORM DURING THE FISCAL YEAR ENDED SEPTEMBER 30, 1997?

    The fund  rebounded  from a 10% loss in the first  quarter of 1997 to post a
24.34%  total  return  for the  one-year  period.  The  fund's  returns  reflect
favorable  market  conditions  in the  second  half of the period as well as the
fund's  position at the long end of the maturity  spectrum,  where interest rate
fluctuations typically have a considerable impact on performance.

    The fund's  benchmark,  a coupon  STRIPS issue  maturing on August 15, 2025,
returned  21.58% for the period.  The fund's  performance  beat the  benchmark's
because the fund's REFCORP holdings produced higher returns than STRIPS.

WHAT CHANGES HAVE OCCURRED IN THE FUND'S PORTFOLIO SINCE THE SEMIANNUAL REPORT?

    Due to a favorable  combination  of cash inflows from investors and positive
fund  performance,  the fund's net assets grew from $55.3 million on March 31 to
$73.8 million on September 30. We used the new money  primarily to buy REFCORPs,
which is why the graphs on page 27 show an increasing percentage of REFCORPs and
a declining  percentage of STRIPS.  REFCORPs  typically offer higher yields than
STRIPS,  and they  have  been  nearly  as easy to buy and sell as STRIPS in this
maturity  sector of the zero  market.  We also  bolstered  our REFCORP  position
because REFCORP issuance is about to decline. As supply falls, we expect to earn
some  additional  return from the REFCORP  holdings as their yield  differential
over STRIPS drops.

[line graph - data below]

Target 2025: Share Price vs. Anticipated Value at Maturity
             Actual Share Price            Anticipated Value at Maturity
               (Historical)                   (Estimated Share Price)
'96               17.91                                109.24
'97               22.27                                110.88
'98
'99
'00
'01
'02
'03
'04
'05
'06
'07
'08
'09
'10
'11
'12
'13
'14
'15
'16
'17
'18
'19
'20
'21
'22
'23
'24
'25

The top line in the graph  represents the fund's  Anticipated  Value at Maturity
(AVM--defined  on page 49), which fluctuates from day to day based on the fund's
expected  maturity date. The bottom line represents the fund's  historical share
price, which is managed to grow over time to reach the fund's AVM.

While this graph  demonstrates  the fund's  expected  long-term  growth pattern,
please  keep in mind  that  the  fund  may  experience  significant  share-price
volatility over the short term.

Past performance is no guarantee of future results. Even if fund shares are held
to maturity,  there is no  guarantee  that the fund's share price will reach its
AVM.  There is also no  guarantee  that the AVM will  fluctuate as little in the
future  as it has  in  the  past.  For  more  information,  please  consult  the
prospectus.


26      TARGET MATURITIES TRUST: 2025          AMERICAN CENTURY INVESTMENTS


                         TARGET MATURITIES TRUST: 2025

    The  "Portfolio at a Glance" chart on page 25 shows another big change.  The
fund's weighted average maturity date extended  significantly during the period,
from April 9, 2025 to July 10,  2025.  This  reflects a conscious  effort on our
part to move the fund's  maturity  date closer to the August 15,  2025  maturity
date of its  STRIPS  benchmark.  The  fund's  portfolio  is managed to mimic the
performance of that zero-coupon bond as closely as possible.

WHAT'S YOUR OUTLOOK FOR THE TREASURY MARKET?

    It might not appear obvious  because of the  volatility  we've seen, but the
Treasury market has been trading in a range since early 1996.  During this time,
the 30-year Treasury bond yield has stayed between 6.25% and 7.25%.  Bond yields
ended the fiscal  year at the low end of this  range.  The  strength of the U.S.
economy has kept interest  rates from falling  below 6%, but low U.S.  inflation
and relatively  passive  monetary  policy by the Federal  Reserve (the Fed) have
kept rates from rising much higher than 7%.

    As 1997 draws to a close,  we remain in this  contradictory  environment  of
strong  economic growth and low inflation.  These two conditions  can't co-exist
forever--something  has to give.  But until this  situation  is  resolved,  bond
yields  aren't  likely  to  break   significantly   out  of  the  range  they've
established.  They won't drop dramatically  unless there are consistent signs of
economic weakness,  and they aren't likely to rise unless the market anticipates
an interest  rate hike by the Fed.  That  expectation  doesn't  exist yet. As of
early  November,  the  federal  funds rate  futures  contract  didn't have a Fed
interest rate increase  priced into it until May of next year!  Not only has the
Fed not seen enough  evidence  yet of  inflation,  it also has its hands tied by
currency turmoil  overseas.  We believe the Fed is unlikely to make any dramatic
interest  rate moves  because  higher U.S.  interest  rates could cause  further
devaluations of already weak overseas currencies.

WHAT IS YOUR STRATEGY GOING FORWARD?

    To help the fund reach its  anticipated  value at  maturity  (AVM),  we will
continue to move its maturity date closer to the August 15, 2025 maturity of its
benchmark. Although there can be no assurances that the fund will reach its AVM,
we manage the fund to reach or exceed this value at maturity.

    In general,  we will also continue to buy the highest- yielding zeros we can
find.  We expect to continue to keep the bulk of the fund's  assets in REFCORPs,
with the remainder in STRIPS.

[pie charts]

PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 9/30/97)
REFCORPs          63%
STRIPS            37%

PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 3/31/97)
REFCORPs          58%
STRIPS            42%

ANNUAL REPORT                         TARGET MATURITIES TRUST: 2025       27


                            SCHEDULE OF INVESTMENTS
                         TARGET MATURITIES TRUST: 2025

SEPTEMBER 30, 1997

Principal Amount                                                       Value
- --------------------------------------------------------------------------------

ZERO-COUPON U.S. TREASURY SECURITIES(1)

             $  3,926,000   REFCORP STRIPS -- COUPON,
                                6.64%, 7/15/24                   $     682,348

               48,083,000   REFCORP STRIPS -- COUPON,
                                6.65%, 10/15/24                      8,199,974

               13,000,000   STRIPS -- COUPON, 6.53%,
                                11/15/24                             2,278,406

               17,500,000   STRIPS -- PRINCIPAL, 6.57%,
                                11/15/24                             3,035,034

               26,500,000   REFCORP STRIPS -- COUPON,
                                6.66%, 1/15/25                       4,434,279

               65,900,000   STRIPS -- COUPON, 6.52%,
                                2/15/25                             11,396,019

               62,300,000   STRIPS -- PRINCIPAL, 6.56%,
                                2/15/25                             10,645,736

               19,759,000   REFCORP STRIPS -- COUPON,
                                6.65%, 4/15/25                       3,261,223

                8,500,000   REFCORP STRIPS -- COUPON,
                                6.64%, 7/15/25                       1,383,903

               54,425,000   REFCORP STRIPS -- COUPON,
                                6.61%, 10/15/25                      8,788,666

               22,000,000   REFCORP STRIPS -- COUPON,
                                6.57%, 1/15/26                       3,533,864

               16,000,000   REFCORP STRIPS -- COUPON,
                                6.57%, 4/15/26                       2,528,847

               36,000,000   REFCORP STRIPS -- COUPON,
                                6.58%, 7/15/26                       5,583,183

               52,000,000   REFCORP STRIPS -- COUPON,
                                6.59%, 10/15/26                      7,912,739
                                                             -------------------

TOTAL INVESTMENT SECURITIES--100.0%                                $73,664,221
                                                             ===================
   (Cost $64,514,424)

NOTES TO SCHEDULE OF INVESTMENTS

REFCORP = Resolution Funding Corporation

STRIPS = Separate Trading of Registered Interest and Principal of Securities

(1)  The effective  yield to maturity at September 30, 1997 is indicated.  These
     securities  are  purchased at a  substantial  discount  from their value at
     maturity.

See Notes to Financial Statements


28      TARGET MATURITIES TRUST: 2025          AMERICAN CENTURY INVESTMENTS

<TABLE>
<CAPTION>

                                         STATEMENTS OF ASSETS AND LIABILITIES

SEPTEMBER 30, 1997                         2000           2005          2010            2015           2020            2025
                                           ----           ----          ----            ----           ----            ----
ASSETS
<S>                                          <C>            <C>          <C>              <C>            <C>            <C>    
     Investment securities,
       at value (identified
       cost of $241,245,778,
       $257,998,629,
       $112,470,517, $84,422,308,
       $456,481,868 and
       $64,514,424) (Note 3) ......   $ 248,790,140    $276,763,314   $123,786,073   $114,680,001   $555,921,745   $ 73,664,221

     Cash .........................          73,630         686,977      1,201,213        401,633        177,713        331,422

     Receivable for
       investments sold ...........            --         4,609,305           --             --             --             --

     Collateral for securities
       loaned (Note 4) ............            --              --             --             --       39,425,000           --

     Securities lending
       fee receivable .............            --              --             --             --           13,003           --
                                      -------------    ------------   ------------   ------------   ------------   ------------
                                        248,863,770     282,059,596    124,987,286    115,081,634    595,537,461     73,995,643
                                      -------------    ------------   ------------   ------------   ------------   ------------
     LIABILITIES

     Disbursements in excess
       of demand deposit cash .....         247,842          99,847         46,180         68,848        830,809         22,145

     Payable for capital
       shares redeemed ............         107,564         138,959         65,515         55,315      1,439,658        115,200

     Payable for collateral
       received on securities
       loaned (Note 4) ............            --              --             --             --       39,425,000           --

     Accrued management fee
       (Note 2) ...................         128,598         140,237         61,113         55,858        280,032         34,084

     Accrued expenses and
       other liabilities ..........           2,632           3,412          2,649          2,044         10,935          2,899
                                      -------------    ------------   ------------   ------------   ------------   ------------
                                            486,636         382,455        175,457        182,065     41,986,434        174,328
                                      -------------    ------------   ------------   ------------   ------------   ------------
     Net Assets Applicable to
       Outstanding Shares .........   $ 248,377,134    $281,677,141   $124,811,829   $114,899,569   $553,551,027   $ 73,821,315
                                      =============    ============   ============   ============   ============   ============
     CAPITAL SHARES

     Outstanding (Unlimited number
       of shares authorized) ......       2,886,261       4,364,423      2,539,122      2,996,659     20,376,558      3,314,198
                                      =============    ============   ============   ============   ============   ============
     Net Asset Value Per Share ....   $       86.05    $      64.54   $      49.16   $      38.34   $      27.17   $      22.27
                                      =============    ============   ============   ============   ============   ============
     NET ASSETS CONSIST OF:

     Capital paid in ..............   $ 232,179,189    $250,304,663   $107,632,668   $ 75,473,773   $378,071,400    $61,998,042

     Undistributed net
       investment income ..........      12,055,714      11,708,093      5,099,718      4,945,063     37,235,493      2,872,123

     Accumulated net realized
       gain (loss) on investment
       transactions ...............      (3,402,131)        899,700        763,887      4,223,040     38,804,257       (198,647)

     Net unrealized
       appreciation on
       investments (Note 3) .......       7,544,362      18,764,685     11,315,556     30,257,693     99,439,877      9,149,797
                                      -------------    ------------   ------------   ------------   ------------   ------------
                                      $ 248,377,134    $281,677,141   $124,811,829   $114,899,569   $553,551,027   $ 73,821,315
                                      =============    ============   ============   ============   ============   ============
</TABLE>

See Notes to Financial Statements


ANNUAL REPORT                  STATEMENTS OF ASSETS AND LIABILITIES       29

<TABLE>
<CAPTION>
                           STATEMENTS OF OPERATIONS

YEAR ENDED
SEPTEMBER 30, 1997                         2000           2005           2010           2015           2020            2025
- ------------------                         ----           ----           ----           ----           ----            ----

INVESTMENT INCOME

     Income:

<S>                                    <C>           <C>           <C>             <C>             <C>            <C>         
     Interest ......................   $17,633,883   $16,881,275   $  7,530,792    $  7,293,811    $ 55,723,567   $  3,792,500

     Income from
     securities lending ............          --            --             --              --           442,641         34,749
                                       -----------   -----------   ------------    ------------    ------------   ------------
                                        17,633,883    16,881,275      7,530,792       7,293,811      56,166,208      3,827,249
                                       -----------   -----------   ------------    ------------    ------------   ------------
     Expenses (Note 2):

     Investment advisory fees ......       902,194       875,825        386,859         389,958       2,691,970        199,410

     Administrative fees ...........       207,663       193,216         85,820          89,672         685,160         42,716

     Transfer agency fees ..........       196,492       213,613        131,294         132,040         618,798         57,380

     Printing and postage ..........        81,207        78,718         38,411          39,250         238,103         16,812

     Auditing and legal fees .......        16,879        15,660          8,780           9,028          49,098          6,041

     Custodian fees ................        17,424        11,769         11,907          11,817          42,000         12,308

     Telephone expenses ............         6,228         4,990          2,273           3,570          20,937          3,612

     Trustees' fees and expenses ...        10,181        10,020          7,933           7,962          18,465          7,076

     Registration and filing fees ..        17,575        18,950         15,012          15,642          16,159         16,285

     Other operating expenses ......         8,495         7,491          3,590           3,403          16,877          5,370
     ...............................   -----------   -----------   ------------    ------------    ------------   ------------
     Total expenses ................     1,464,338     1,430,252        691,879         702,342       4,397,567        367,010

     Amount waived .................          --            --           (6,793)         (3,320)           --          (17,780)
                                       -----------   -----------   ------------    ------------    ------------   ------------
     Net expenses ..................     1,464,338     1,430,252        685,086         699,022       4,397,567        349,230
                                       -----------   -----------   ------------    ------------    ------------   ------------
     Net investment income .........    16,169,545    15,451,023      6,845,706       6,594,789      51,768,641      3,478,019
                                       -----------   -----------   ------------    ------------    ------------   ------------
     REALIZED AND UNREALIZED GAIN
     ON INVESTMENTS (NOTE 3)

     Net realized gain
       on investments ..............     1,190,560     1,348,958      1,066,854       4,715,347      45,078,260        302,702

     Change in net unrealized
       appreciation
       on investments ..............     2,108,565    11,653,361      9,112,041      10,243,018      85,510,156      9,831,539
                                       -----------   -----------   ------------    ------------    ------------   ------------
     Net realized and
     unrealized gain
     on investments ................     3,299,125    13,002,319     10,178,895      14,958,365     130,588,416     10,134,241
                                       -----------   -----------   ------------    ------------    ------------   ------------
     Net Increase in Net Assets
     Resulting from Operations .....   $19,468,670   $28,453,342   $ 17,024,601    $ 21,553,154    $182,357,057   $ 13,612,260
                                       ===========   ===========   ============    ============    ============   ============
</TABLE>

See Notes to Financial Statements


30      STATEMENTS OF OPERATIONS               AMERICAN CENTURY INVESTMENTS

<TABLE>
<CAPTION>
                      STATEMENTS OF CHANGES IN NET ASSETS

YEARS ENDED SEPTEMBER 30, 1997
AND SEPTEMBER 30, 1996
                                              2000                              2005                              2010
                                              ----                              ----                              ----
Increase (Decrease)
in Net Assets                         1997            1996               1997           1996               1997          1996

OPERATIONS
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                             <C>              <C>              <C>              <C>              <C>              <C>          
Net investment income .......   $  16,169,545    $  17,234,905    $  15,451,023    $  13,769,131    $   6,845,706    $   6,720,988

Net realized gain (loss)
  on investments ............       1,190,560        1,066,551        1,348,958        1,459,753        1,066,854        3,276,781

Change in net unrealized
  appreciation (depreciation)
  on investments ............       2,108,565       (6,811,361)      11,653,361      (12,781,340)       9,112,041      (10,369,618)
                                -------------    -------------    -------------    -------------    -------------    -------------
Net increase (decrease)
  in net assets resulting
  from operations ...........      19,468,670       11,490,095       28,453,342        2,447,544       17,024,601         (371,849)
                                -------------    -------------    -------------    -------------    -------------    -------------
DISTRIBUTIONS TO SHAREHOLDERS

From net investment income ..     (17,081,069)     (14,295,441)     (14,549,884)      (8,101,012)      (6,941,406)      (4,075,907)

From net realized gains on
  investment transactions ...            --               --         (1,764,760)      (2,276,770)      (2,886,953)            --
                                -------------    -------------    -------------    -------------    -------------    -------------
Decrease in net assets
  from distributions
  to shareholders ...........     (17,081,069)     (14,295,441)     (16,314,644)     (10,377,782)      (9,828,359)      (4,075,907)
                                -------------    -------------    -------------    -------------    -------------    -------------
CAPITAL SHARE TRANSACTIONS

Proceeds from shares sold ...      68,953,917      119,660,626      121,523,893      148,911,501       63,762,772       70,823,974

Proceeds from reinvestment
  of distributions ..........      16,712,103       13,909,269       15,992,574       10,138,688        9,617,856        3,967,590

Payments for shares redeemed     (107,433,075)    (157,743,941)    (106,841,952)     (95,708,098)     (66,882,232)     (54,283,235)
                                -------------    -------------    -------------    -------------    -------------    -------------
Net increase (decrease) in
  net assets from capital
  share transactions ........     (21,767,055)     (24,174,046)      30,674,515       63,342,091        6,498,396       20,508,329
                                -------------    -------------    -------------    -------------    -------------    -------------
Net increase (decrease)
  in net assets .............     (19,379,454)     (26,979,392)      42,813,213       55,411,853       13,694,638       16,060,573

NET ASSETS

Beginning of year ...........     267,756,588      294,735,980      238,863,928      183,452,075      111,117,191       95,056,618
                                -------------    -------------    -------------    -------------    -------------    -------------
End of year .................   $ 248,377,134    $ 267,756,588    $ 281,677,141    $ 238,863,928    $ 124,811,829    $ 111,117,191
                                =============    =============    =============    =============    =============    =============
Undistributed net
investment income ...........   $  12,055,714    $  12,967,238    $  11,708,093    $  10,806,954    $   5,099,718    $   5,195,418
                                =============    =============    =============    =============    =============    =============
TRANSACTIONS IN
SHARES OF THE FUNDS

Sold ........................         833,120        1,519,287        1,988,109        2,554,065        1,383,983        1,630,076

Issued in reinvestment
of distributions ............         217,238          183,642          282,750          177,478          233,038           89,942

Redeemed ....................      (1,291,432)      (1,999,924)      (1,748,806)      (1,660,147)      (1,456,337)      (1,267,142)

Reverse share split .........        (221,717)        (188,515)        (288,036)        (181,450)        (237,690)         (92,308)

Net increase (decrease) .....        (462,791)        (485,510)         234,017          889,946          (77,006)         360,568
                                =============    =============    =============    =============    =============    =============
</TABLE>

See Notes to Financial Statements


ANNUAL REPORT                   STATEMENTS OF CHANGES IN NET ASSETS       31


<TABLE>
<CAPTION>
                      STATEMENTS OF CHANGES IN NET ASSETS

YEARS ENDED SEPTEMBER 30, 1997
AND SEPTEMBER 30, 1996

                                                2000                             2005                              2010
                                                ----                             ----                              ----
Increase (Decrease)
in Net Assets                          1997            1996               1997           1996               1997          1996
- ------------------------------------------------------------------------------------------------------------------------------------
OPERATIONS

<S>                              <C>             <C>             <C>               <C>               <C>             <C>         
Net investment income .........  $   6,594,789   $   6,946,156   $    51,768,641   $    49,119,311   $   3,478,019   $    997,384

Net realized gain (loss)
  on investments ..............      4,715,347         718,224        45,078,260        (5,541,503)        302,702       (501,349)

Change in net unrealized
  appreciation (depreciation)
  on investments ..............     10,243,018      (9,126,013)       85,510,156       (53,272,683)      9,831,539       (681,742)
                                 -------------   -------------   ---------------   ---------------   -------------   ------------
Net increase (decrease)
  in net assets resulting
  from operations .............     21,553,154      (1,461,633)      182,357,057        (9,694,875)     13,612,260       (185,707)
                                 -------------   -------------   ---------------   ---------------   -------------   ------------
DISTRIBUTIONS TO SHAREHOLDERS

From net investment income ....     (6,897,189)     (4,803,254)      (54,220,221)      (13,777,349)     (1,603,280)          --

From net realized gains on
  investment transactions .....     (1,134,946)     (6,017,851)             (831)       (1,324,633)           --             --
                                 -------------   -------------   ---------------   ---------------   -------------   ------------
Decrease in net assets from
  distributions to shareholders     (8,032,135)    (10,821,105)      (54,221,052)      (15,101,982)     (1,603,280)          --
                                 -------------   -------------   ---------------   ---------------   -------------   ------------
CAPITAL SHARE TRANSACTIONS

Proceeds from shares sold .....     62,777,456      77,986,100       528,512,319     1,028,945,392     147,285,096     67,610,593

Proceeds from reinvestment
  of distributions ............      7,799,177      10,455,098        51,887,629        14,532,555       1,500,130           --

Payments for shares redeemed ..    (84,851,908)    (75,152,046)   (1,081,304,136)     (667,063,399)   (122,633,493)
                                 -------------   -------------   ---------------   ---------------   -------------   ------------
Net increase (decrease)
  in net assets from capital
  share transactions ..........    (14,275,275)     13,289,152      (500,904,188)      376,414,548      26,151,733     35,846,309
                                 -------------   -------------   ---------------   ---------------   -------------   ------------
Net increase (decrease)
  in net assets ...............       (754,256)      1,006,414      (372,768,183)      351,617,691      38,160,713     35,660,602

NET ASSETS

Beginning of year .............    115,653,825     114,647,411       926,319,210       574,701,519      35,660,602           --
                                 -------------   -------------   ---------------   ---------------   -------------   ------------
End of year ...................  $ 114,899,569   $ 115,653,825   $   553,551,027   $   926,319,210   $  73,821,315   $ 35,660,602
                                 =============   =============   ===============   ===============   =============   ============
Undistributed net
investment income .............  $   4,945,063   $   5,247,463   $    37,235,493   $    39,687,073   $   2,872,123   $    997,384
                                 =============   =============   ===============   ===============   =============   ============
TRANSACTIONS IN
SHARES OF THE FUNDS

Sold ..........................      1,812,323       2,345,915        21,885,096        45,297,616       7,508,353      3,762,927

Issued in reinvestment
of distributions ..............        241,373         318,306         2,286,212           585,620          79,036           --

Redeemed ......................     (2,427,375)     (2,277,097)      (43,514,345)      (28,747,471)     (6,180,587)    (1,771,271)

Reverse share split ...........       (248,086)       (328,626)       (2,383,074)         (608,060)        (84,260)          --
                                 -------------   -------------   ---------------   ---------------   -------------   ------------
Net increase (decrease) .......       (621,765)         58,498       (21,726,111)       16,527,705       1,322,542      1,991,656
                                 =============   =============   ===============   ===============   =============   ============
</TABLE>

- ----------------
(1) February 15, 1996 (inception) through September 30, 1996.

See Notes to Financial Statements


32      STATEMENTS OF CHANGES IN NET ASSETS    AMERICAN CENTURY INVESTMENTS


                         NOTES TO FINANCIAL STATEMENTS

SEPTEMBER 30, 1997

1. ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

    ORGANIZATION--American  Century  Target  Maturities  Trust  (the  Trust)  is
registered under the Investment  Company Act of 1940 as an open-end  diversified
management  investment  company.  The Trust is composed of the following series:
American Century - Benham Target Maturities Trust: 2000 (2000), American Century
- - Benham Target Maturities Trust: 2005 (2005),  American Century - Benham Target
Maturities  Trust:  2010 (2010),  American  Century - Benham  Target  Maturities
Trust:  2015 (2015),  American Century - Benham Target  Maturities  Trust:  2020
(2020),  and American Century - Benham Target Maturities Trust: 2025 (2025) (the
"Funds").  Each Fund seeks to provide the highest  attainable  investment return
consistent  with  the  creditworthiness  of  U.S.  Treasury  securities  and the
professional  management of  reinvestment  and market  risks.  Each Fund invests
primarily in zero-coupon U.S. Treasury securities and will be liquidated shortly
after the  conclusion of its target  maturity  year.  The following  significant
accounting  policies,  related to the Funds,  are in accordance  with accounting
policies generally accepted in the investment company industry.

    SECURITY  VALUATIONS--Securities  are  valued  through  valuations  obtained
through a commercial  pricing  service or at the mean of the most recent bid and
asked prices.  When valuations are not readily available,  securities are valued
at fair value as determined in accordance with  procedures  adopted by the Board
of Trustees.

    SECURITY  TRANSACTIONS--Security  transactions are accounted for on the date
purchased  or  sold.  Net  realized  gains  and  losses  are  determined  on the
identified cost basis, which is also used for federal income tax purposes.

    INVESTMENT  INCOME--Interest  income is recorded  on the  accrual  basis and
includes  amortization  of discounts  and  premiums.  Discounts and premiums are
amortized using the effective interest rate method.

    INCOME TAX  STATUS--It is the Funds' policy to distribute all net investment
income and net realized capital gains to shareholders  and to otherwise  qualify
as a regulated  investment  company under the provisions of the Internal Revenue
Code. Accordingly, no provision has been made for federal or state taxes.

    DISTRIBUTIONS TO SHAREHOLDERS--Distributions  from net investment income and
net realized gains are declared and paid annually in December.  At September 30,
1997 accumulated  capital loss carryovers of $3,399,216 for 2000 (expiring 2003)
may be used to offset future taxable gains.

    The  character  of  distributions  made during the year from net  investment
income or net realized gains may differ from their ultimate characterization for
federal  income tax purposes.  These  differences  are due to differences in the
recognition  of  income  and  expense  items  for  financial  statement  and tax
purposes.

    REVERSE  SHARE  SPLITS--The  trustees  may  authorize  reverse  share splits
immediately after and of a size that exactly offsets the per share amount of the
annual  dividend  and capital  gain  distribution  (if any).  After  taking into
account the reverse share split, a shareholder reinvesting dividends and capital
gain  distributions  will hold  exactly the same number of shares owned prior to
the  distributions  and reverse share split.  A shareholder  electing to receive
dividends in cash will own fewer shares.

    SUPPLEMENTARY  INFORMATION--Certain  officers  and trustees of the Trust are
also officers and/or  directors,  and, as a group,  controlling  stockholders of
American Century Companies,  Inc., the parent of the Trust's investment manager,
American Century Investment  Management,  Inc. (ACIM), the Trust's  distributor,
American  Century  Investment  Services,  Inc., and the Trust's  transfer agent,
American Century Services Corporation (ACSC).

    USE OF ESTIMATES--The preparation of financial statements in conformity with
generally accepted  accounting  principles requires management to make estimates
and assumptions  that affect the reported  amounts of assets and liabilities and
disclosure of  contingent  assets and  liabilities  at the date of the financial
statements  and the reported  amounts of increases  and  decreases in net assets
from  operations  during the  period.  Actual  results  could  differ from these
estimates.

     ANNUAL REPORT                         NOTES TO FINANCIAL STATEMENTS


                         NOTES TO FINANCIAL STATEMENTS

SEPTEMBER 30, 1997
- --------------------------------------------------------------------------------
2. TRANSACTIONS WITH RELATED PARTIES

    The shareholders of the Funds approved a new management  agreement with ACIM
on July 30,  1997,  effective  August 1, 1997,  which  replaced  the  previously
existing contracts between the Funds and Benham Management  Corporation and ACSC
for advisory,  administrative and transfer agency services. Under the agreement,
ACIM  provides all services  required by the Funds in exchange for one "unified"
management  fee.  Expenses  excluded from this agreement are  brokerage,  taxes,
portfolio  insurance,  interest,  fees and  expenses of the Trustees who are not
considered "interested persons" as defined in the Investment Company Act of 1940
(including  counsel fees) and extraordinary  expenses.  The annual rate at which
this fee is assessed is determined  monthly in a two-step process:  First, a fee
rate  schedule  is  applied  to the  assets  of all of the  funds in the  Fund's
investment  category which are managed by ACIM (the "Investment  Category Fee").
The  overall  investment  objective  of  each  Fund  determines  its  Investment
Category.  The three investment  categories are: the Money Market Fund Category,
the Bond Fund Category,  and the Equity Fund Category. The Funds are included in
the Bond Fund Category.  Second,  a separate fee rate schedule is applied to the
assets of all of the funds managed by ACIM (the "Complex  Fee").  The Investment
Category  Fee and the  Complex  Fee are then  added  to  determine  the  unified
management  fee rate.  The  management fee is paid monthly by each Fund based on
each  Fund's  aggregate  average  daily net  assets  during the  previous  month
multiplied by the monthly management fee rate.

The annualized Investment Category Fee schedule for each Fund is as follows:

          0.3600% of the first $1 billion  
          0.3080% of the next $1 billion  
          0.2780% of the next $3 billion  
          0.2580% of the next $5 billion  
          0.2450% of the next $15 billion 
          0.2430% of the next $25 billion
          0.2425% of the average daily net assets over $50 billion

The annualized Complex Fee schedule (for all Funds) is as follows:

          0.3100% of the first $2.5 billion 
          0.3000% of the next $7.5 billion
          0.2985% of the next $15 billion 
          0.2970% of the next $25 billion 
          0.2960% of the next $50 billion 
          0.2950% of the next $100 billion 
          0.2940% of the next $100 billion 
          0.2930% of the next $200 billion 
          0.2920% of the next $250 billion 
          0.2910% of the next $500 billion
          0.2900% of the average daily net assets over $1,250 billion

    The following  expenses,  incurred under the new management  agreement,  are
included in Investment Advisory Fees in the Statements of Operations:


<TABLE>
                                 2000           2005         2010           2015           2020          2025

<S>                             <C>           <C>          <C>            <C>          <C>            <C>      
Total expenses .............    $254,905      $274,952     $120,551       $114,405     $  554,712     $  68,322

  Total expenses and the annualized  ratio of operating  expenses to average net
assets,  under the  previous  agreement,  for the ten months ended July 31, 1997
were as follows:

                                 2000           2005         2010           2015           2020          2025

Total expenses ............. $1,209,433    $1,155,300      $564,535       $584,617     $3,842,855     $280,908

Ratio of operating
  expenses to
  average net assets .......    0.55%         0.56%          0.62%          0.61%         0.52%          0.62%
</TABLE>


34      NOTES TO FINANCIAL STATEMENTS          AMERICAN CENTURY INVESTMENTS


                         NOTES TO FINANCIAL STATEMENTS

SEPTEMBER 30, 1997
- --------------------------------------------------------------------------------
3. INVESTMENT TRANSACTIONS

  Investment  transactions in U.S.  Treasury  securities  (excluding  short-term
investments) for the year ended September 30, 1997, were as follows:
<TABLE>

                                   2000           2005           2010        2015           2020          2025

<S>                          <C>            <C>            <C>            <C>          <C>            <C>        
Purchases .................. $  26,997,585  $  46,771,639  $  29,122,047  $23,813,090  $111,183,570   $58,512,004

Proceeds From Sales ........ $  67,004,617  $  38,410,738  $  34,054,760  $46,659,160  $665,983,486   $32,512,855

  On  September  30,  1997,  the  composition  of  unrealized  appreciation  and
depreciation of investment securities based on the aggregate cost of investments
for federal income tax purposes was as follows:

                                    2000           2005           2010        2015           2020          2025

Appreciation ............... $  7,887,451    $18,750,523     $11,571,995    $30,257,693   $98,849,256    $8,759,630

Depreciation ...............    (346,008)     (302,446)      (340,726)         --            --            --
                              ------------    -----------   ------------     ----------     ----------    ----------

Net ........................ $   7,541,443   $18,448,077     $11,231,269    $30,257,693    $98,849,256    $8,759,630
                              ============   ============   ============    ===========   ============   ===========
Federal Tax Cost ...........  $241,248,697   $258,315,237   $112,554,804    $84,422,308   $457,072,489   $64,904,591
                              ============   ============   ============    ===========   ============   ===========
</TABLE>

4. SECURITIES LENDING

    At September 30, 1997,  securities  valued at  $34,938,000  for 2020 were on
loan to brokers. Securities received as collateral, at this date, were valued at
$39,425,000.  The Fund's risks in  securities  lending are that the borrower may
not provide  additional  collateral  when required or return the securities when
due.


ANNUAL REPORT                         NOTES TO FINANCIAL STATEMENTS       35

<TABLE>
<CAPTION>
                             FINANCIAL HIGHLIGHTS
                         TARGET MATURITIES TRUST: 2000

                For a Share Outstanding Throughout the Years Ended September 30

                                         1997           1996            1995           1994           1993
PER-SHARE DATA

Net Asset Value,
<S>                                     <C>            <C>             <C>            <C>            <C>   
Beginning of Year ....................  $79.95         $76.86          $66.93         $72.40         $62.16
                                      ---------      ---------       ---------      ---------      ---------
Income From Investment
Operations

  Net Investment Income(1) ...........   5.10           4.75            4.37           3.99           3.94

  Net Realized and Unrealized
  Gain (Loss) on Investment
  Transactions .......................   1.00          (1.66)           5.56          (9.46)          6.30
                                      ---------      ---------       ---------      ---------      ---------
  Total From
  Investment Operations ..............   6.10           3.09            9.93          (5.47)          10.24
                                      ---------      ---------       ---------      ---------      ---------
Distributions(2)

  From Net Investment Income .........  (5.20)         (3.94)          (3.42)         (3.25)         (2.34)

  From Net Realized Capital Gains ....    --             --              --           (2.95)         (1.83)

  In Excess of Net Realized Gains ....    --             --              --           (1.20)           --
                                      ---------      ---------       ---------      ---------      ---------
  Total Distributions ................  (5.20)         (3.94)          (3.42)         (7.40)         (4.17)
                                      ---------      ---------       ---------      ---------      ---------
Reverse Share Split ..................   5.20           3.94            3.42           7.40           4.17
                                      ---------      ---------       ---------      ---------      ---------
Net Asset Value, End of Year .........  $86.05         $79.95          $76.86         $66.93         $72.40
                                      =========      =========       =========      =========      =========
  Total Return(3) ....................   7.64%          4.01%          14.84%         (7.54)%        16.46%

RATIOS/SUPPLEMENTAL DATA

Ratio of Operating Expenses
to Average Net Assets ................   0.56%          0.53%           0.63%          0.59%          0.60%

Ratio of Net Investment Income
to Average Net Assets ................   6.14%          5.99%           6.13%          5.74%          5.94%

Portfolio Turnover Rate ..............    10%            29%             53%            89%            77%

Net Assets, End
of Year (in thousands) ............... $248,377       $267,757        $294,736       $243,895       $291,418
</TABLE>
- ----------

(1)  Computed using average shares outstanding throughout the year.

(2)  For years ended prior to September 30, 1997,  distributions were calculated
     using average shares outstanding during the year.  Distributions  indicated
     for those years will be different than the actual  per-share  distributions
     to shareholders.

(3)  Total  return   assumes   reinvestment   of  dividends  and  capital  gains
     distributions, if any.

See Notes to Financial Statements


36      FINANCIAL HIGHLIGHTS                   AMERICAN CENTURY INVESTMENTS

<TABLE>
<CAPTION>
                             FINANCIAL HIGHLIGHTS
                         TARGET MATURITIES TRUST: 2005

                For a Share Outstanding Throughout the Years Ended September 30

                                        1997           1996            1995           1994           1993
PER-SHARE DATA

Net Asset Value,
<S>                                    <C>            <C>             <C>           <C>             <C>   
Beginning of Year .................... $57.83         $56.61          $45.22        $51.84          $41.18
                                      ---------      ---------       ---------      ---------      ---------
Income From Investment Operations

  Net Investment Income(1) ...........   3.74           3.50            3.33          3.11            2.90

  Net Realized and Unrealized
  Gain (Loss) on Investment

  Transactions .......................   2.97         (2.28)            8.06        (9.73)            7.76
                                      ---------      ---------       ---------      ---------      ---------
  Total From
  Investment Operations ..............   6.71           1.22           11.39        (6.62)           10.66
                                      ---------      ---------       ---------      ---------      ---------
Distributions(2)

  From Net Investment Income ......... (3.61)         (2.06)          (2.41)        (2.70)          (2.51)

  From Net Realized Capital Gains .... (0.44)         (0.58)          (0.67)        (8.47)          (1.01)
                                      ---------      ---------       ---------      ---------      ---------
  Total Distributions ................ (4.05)         (2.64)          (3.08)       (11.17)          (3.52)
                                      ---------      ---------       ---------      ---------      ---------
Reverse Share Split ..................   4.05           2.64            3.08         11.17            3.52
                                      ---------      ---------       ---------      ---------      ---------
Net Asset Value, End of Year ......... $64.54         $57.83          $56.61        $45.22          $51.84
                                      =========      =========       =========      =========      =========
  Total Return(3) .................... 11.60%          2.15%          25.16%      (12.75)%          25.89%

RATIOS/SUPPLEMENTAL DATA

Ratio of Operating Expenses
to Average Net Assets ................  0.57%          0.58%           0.71%        0.64%          0.62%

Ratio of Net Investment Income
to Average Net Assets ................  6.15%          6.05%           6.58%         6.37%          6.44%

Portfolio Turnover Rate ..............    15%          31%              34%           68%            50%

Net Assets, End
of Year (in thousands) ...............$281,677       $238,864        $183,452       $96,207       $149,890

</TABLE>
- ----------
(1)  Computed using average shares outstanding throughout the year.

(2)  For years ended prior to September 30, 1997,  distributions were calculated
     using average shares outstanding during the year.  Distributions  indicated
     for those years will be different than the actual  per-share  distributions
     to shareholders.

(3)  Total  return   assumes   reinvestment   of  dividends  and  capital  gains
     distributions, if any.

See Notes to Financial Statements


ANNUAL REPORT                                  FINANCIAL HIGHLIGHTS       37

<TABLE>
<CAPTION>
                             FINANCIAL HIGHLIGHTS
                         TARGET MATURITIES TRUST: 2010

                For a Share Outstanding Throughout the Years Ended September 30
        
                                                           1997            1996             1995            1994              1993

PER-SHARE DATA

Net Asset Value,
<S>                                             <C>               <C>               <C>              <C>              <C>          
Beginning of Year ...........................   $        42.47    $        42.14    $       31.67    $       38.13    $       28.53
                                                   -----------       -----------       ----------       ----------       ----------
Income From Investment Operations

  Net Investment Income(1) ..................             2.79              2.58             2.41             2.24             2.05

  Net Realized and Unrealized

  Gain (Loss) on Investment

  Transactions ..............................             3.90             (2.25)            8.06            (8.70)            7.55
                                                   -----------       -----------       ----------       ----------       ----------
  Total From
  Investment Operations .....................             6.69              0.33            10.47            (6.46)            9.60
                                                   -----------       -----------       ----------       ----------       ----------
Distributions(2)

  From Net Investment Income ................            (2.82)            (1.57)           (1.48)           (1.46)           (1.58)

  From Net Realized Capital Gains ...........            (1.17)          --                 (0.48)           (4.31)           (1.14)
                                                   -----------       -----------       ----------       ----------       ----------
  Total Distributions .......................            (3.99)            (1.57)           (1.96)           (5.77)           (2.72)
                                                   -----------       -----------       ----------       ----------       ----------
Reverse Share Split .........................             3.99              1.57             1.96             5.77             2.72
                                                   -----------       -----------       ----------       ----------       ----------
Net Asset Value, End of Year ................   $        49.16    $        42.47    $       42.14    $       31.67    $       38.13
                                                   ===========       ===========       ==========       ==========       ==========
  Total Return(3) ...........................            15.75%             0.78%           33.06%          (16.92)%          33.61%

RATIOS/SUPPLEMENTAL DATA

Ratio of Operating Expenses
to Average Net Assets .......................             0.62%             0.67%            0.71%            0.68%            0.66%

Ratio of Net Investment Income
to Average Net Assets .......................             6.15%             5.98%            6.56%            6.35%            6.32%

Portfolio Turnover Rate .....................               26%               24%              26%              35%             132%

Net Assets, End
of Year (in thousands) ......................   $      124,812       $   111,117       $   95,057       $   46,312       $   70,551
</TABLE>
- ----------
(1)  Computed using average shares outstanding throughout the year.

(2)  For years ended prior to September 30, 1997,  distributions were calculated
     using average shares outstanding during the year.  Distributions  indicated
     for those years will be different than the actual  per-share  distributions
     to shareholders.

(3)  Total  return   assumes   reinvestment   of  dividends  and  capital  gains
     distributions, if any.

See Notes to Financial Statements


38      FINANCIAL HIGHLIGHTS                   AMERICAN CENTURY INVESTMENTS

<TABLE>
<CAPTION>
                             FINANCIAL HIGHLIGHTS
                         TARGET MATURITIES TRUST: 2015

                For a Share Outstanding Throughout the Years Ended September 30

                                                        1997              1996             1995            1994            1993

PER-SHARE DATA

Net Asset Value,
<S>                                              <C>            <C>               <C>               <C>              <C>          
Beginning of Year ..........................     $     31.96    $        32.20    $        22.79    $       29.04    $       20.39
                                                 -----------       -----------       -----------       ----------       ----------
Income From Investment Operations

  Net Investment Income(1) .................            2.00              1.85              1.71             1.57             1.46

  Net Realized and Unrealized

  Gain (Loss) on Investment

  Transactions .............................            4.38             (2.09)             7.70            (7.82)            7.19
                                                 -----------       -----------       -----------       ----------       ----------
  Total From
  Investment Operations ....................            6.38             (0.24)             9.41            (6.25)            8.65
                                                 -----------       -----------       -----------       ----------       ----------
Distributions(2)

  From Net Investment Income ...............           (2.05)            (1.28)            (0.87)           (1.19)           (1.45)

  From Net Realized Capital Gains ..........           (0.34)            (1.61)          --                 (7.08)           (0.34)

  In Excess of Net Realized Gains ..........         --                --                --                 (0.37)         --
                                                 -----------       -----------       -----------       ----------       ----------
  Total Distributions ......................           (2.39)            (2.89)            (0.87)           (8.64)           (1.79)
                                                 -----------       -----------       -----------       ----------       ----------
Reverse Share Split ........................            2.39              2.89              0.87             8.64             1.79
                                                 -----------       -----------       -----------       ----------       ----------
Net Asset Value, End of Year ...............     $     38.34    $        31.96    $        32.20    $       22.79    $       29.04
                                                 ===========       ===========       ===========       ==========       ==========
  Total Return(3) ..........................           19.96%            (0.74)%           41.29%          (21.52)%          42.42%

RATIOS/SUPPLEMENTAL DATA

Ratio of Operating Expenses
to Average Net Assets ......................            0.61%             0.65%             0.71%            0.68%            0.63%

Ratio of Net Investment Income
to Average Net Assets ......................            5.79%             5.63%             6.40%            5.97%            6.28%

Portfolio Turnover Rate ....................              21%               17%               70%              65%             138%

Net Assets, End
of Year (in thousands) .....................     $   114,900       $   115,654       $   114,647       $   66,073       $   89,023
</TABLE>
- ----------
(1)   Computed using average shares outstanding throughout the year.

(2)  For years ended prior to September 30, 1997,  distributions were calculated
     using average shares outstanding during the year.  Distributions  indicated
     for those years will be different than the actual  per-share  distributions
     to shareholders.

(3)  Total  return   assumes   reinvestment   of  dividends  and  capital  gains
     distributions, if any.


See Notes to Financial Statements


ANNUAL REPORT                                  FINANCIAL HIGHLIGHTS       39

<TABLE>
<CAPTION>
                             FINANCIAL HIGHLIGHTS
                         TARGET MATURITIES TRUST: 2020

                For a Share Outstanding Throughout the Years Ended September 30

                                                        1997            1996              1995             1994              1993
PER-SHARE DATA

Net Asset Value,
<S>                                              <C>            <C>               <C>               <C>              <C>          
Beginning of Year ..........................     $     22.00    $        22.47    $        15.28    $       20.72    $       13.63
                                                 -----------       -----------       -----------       ----------       ----------
Income From Investment Operations

  Net Investment Income(1) .................            1.51              1.41              1.19             1.13             1.00

  Net Realized and Unrealized

  Gain (Loss) on Investment

  Transactions .............................            3.66             (1.88)             6.00            (6.57)            6.09
                                                 -----------       -----------       -----------       ----------       ----------
  Total From
  Investment Operations ....................            5.17             (0.47)             7.19            (5.44)            7.09
                                                 -----------       -----------       -----------       ----------       ----------
Distributions(2)

  From Net Investment Income ...............           (1.45)            (0.40)            (0.21)           (0.28)           (0.53)

  From Net Realized Capital Gains ..........           --                (0.04)            --               (1.31)           (0.72)

  In Excess of Net Realized Gains ..........           --                --                --               (1.18)           --

  Total Distributions ......................           (1.45)            (0.44)            (0.21)           (2.77)           (1.25)
                                                 -----------       -----------       -----------       ----------       ----------
Reverse Share Split ........................            1.45              0.44              0.21             2.77             1.25
                                                 -----------       -----------       -----------       ----------       ----------
Net Asset Value, End of Year ...............     $     27.17    $        22.00    $        22.47    $       15.28    $       20.72
                                                 ===========       ===========       ===========       ==========       ==========
  Total Return(3) ..........................           23.50%            (2.09)%           47.05%          (26.25)%          52.02%

RATIOS/SUPPLEMENTAL DATA

Ratio of Operating Expenses
to Average Net Assets ......................            0.53%             0.61%             0.72%            0.70%            0.70%

Ratio of Net Investment Income
to Average Net Assets ......................            6.29%             6.25%             6.24%            6.28%            6.10%

Portfolio Turnover Rate ....................              14%               47%               78%             116%             179%

Net Assets, End
of Year (in thousands) .....................     $   553,551       $   926,319       $   574,702       $   58,535       $   56,125
</TABLE>
- ----------
(1)  Computed using average shares outstanding throughout the year.

(2)  For years ended prior to September 30, 1997,  distributions were calculated
     using average shares outstanding during the year.  Distributions  indicated
     for those years will be different than the actual  per-share  distributions
     to shareholders.

(3)  Total  return   assumes   reinvestment   of  dividends  and  capital  gains
     distributions, if any.

See Notes to Financial Statements


40      FINANCIAL HIGHLIGHTS                   AMERICAN CENTURY INVESTMENTS

<TABLE>
<CAPTION>
                             FINANCIAL HIGHLIGHTS
                         TARGET MATURITIES TRUST: 2025

For a Share Outstanding Throughout the Year Ended September 30 (except as noted)

                                                1997          1996(1)

PER-SHARE DATA

Net Asset Value,
<S>                                            <C>            <C>   
Beginning of Period .........................  $17.91         $19.85
                                             ----------     ---------
Income From Investment Operations

  Net Investment Income(2) ..................    1.21           0.72

  Net Realized and Unrealized Gain

  (Loss) on Investment Transactions .........    3.15         (2.66)
                                             ----------     ---------
  Total From Investment Operations ..........    4.36         (1.94)
                                             ----------     ---------
Distributions

  From Net Investment Income ................  (0.72)             --
                                             ----------     ---------
Reverse Share Split .........................    0.72             --
                                             ----------     ---------
Net Asset Value, End of Period ..............  $22.27         $17.91
                                             ==========     =========
  Total Return(3) ...........................  24.34%        (9.77)%

RATIOS/SUPPLEMENTAL DATA

Ratio of Operating Expenses to

Average Net Assets ..........................    0.62%       0.67%(4)

Ratio of Net Investment Income to

Average Net Assets ..........................    6.14%        6.57%(4)

Portfolio Turnover Rate .....................     58%          61%

Net Assets, End of
Period (in thousands) .......................  $73,821       $35,661
</TABLE>
- ----------
(1)  February 15, 1996 (inception) through September 30, 1996.

(2)  Computed using average shares outstanding throughout the year.

(3)  Total  return   assumes   reinvestment   of  dividends  and  capital  gains
     distributions, if any. Total returns for periods less than one year are not
     annualized.

(4)  Annualized.

See Notes to Financial Statements


ANNUAL REPORT                                  FINANCIAL HIGHLIGHTS       41


                         INDEPENDENT AUDITORS' REPORT

The Board of Trustees and Shareholders

American Century - Benham Target Maturities Trust:

    We have  audited  the  accompanying  statements  of assets and  liabilities,
including the schedules of  investment  securities of American  Century - Benham
Target  Maturities  Trust:  2000  (2000),   American  Century  -  Benham  Target
Maturities  Trust:  2005 (2005),  American  Century - Benham  Target  Maturities
Trust:  2010 (2010),  American Century - Benham Target  Maturities  Trust:  2015
(2015),  American Century - Benham Target  Maturities  Trust:  2020 (2020),  and
American Century - Benham Target Maturities  Trust: 2025 (2025)(the  "Funds") as
of September 30, 1997,  and the related  statements  of operations  for the year
then ended,  the  statements  of changes in net assets for each of the two years
then  ended  and for the year  ended  September  30,  1997 and the  period  from
February 15, 1996  (inception) to September 30, 1996 for 2025, and the financial
highlights for each of the periods presented herein.  These financial statements
and financial  highlights are the responsibility of the Funds'  management.  Our
responsibility  is to  express  an opinion  on these  financial  statements  and
financial highlights based on our audits.

    We conducted  our audits in  accordance  with  generally  accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable  assurance  about  whether the  financial  statements  and  financial
highlights are free of material misstatement.  An audit includes examining, on a
test basis,  evidence  supporting  the amounts and  disclosures in the financial
statements.  Our  procedures  included  confirmation  of securities  owned as of
September 30, 1997, by correspondence  with the custodian and brokers.  An audit
also includes assessing the accounting principles used and significant estimates
made by  management,  as well as  evaluating  the  overall  financial  statement
presentation.  We believe  that our audits  provide a  reasonable  basis for our
opinion.

    In our  opinion,  the  financial  statements  and the  financial  highlights
referred to above  present  fairly,  in all  material  respects,  the  financial
position of the Funds as of September 30, 1997, the results of their operations,
the  changes in their net assets and the  financial  highlights  for the periods
indicated above, in conformity with generally accepted accounting principles.

/s/KPMG Peat Marwick LLP
KPMG Peat Marwick LLP


Kansas City, Missouri
November 3, 1997


42      INDEPENDENT AUDITORS' REPORT           AMERICAN CENTURY INVESTMENTS


                             PROXY VOTING RESULTS

    An annual meeting of shareholders  was held on July 30, 1997, to vote on the
following  proposals.  All of the  proposals  received the required  majority of
votes and were adopted.

    A summary of voting results is listed below each proposal.

PROPOSAL 1:

    To vote on the  selection  by the Board of Trustees of Coopers & Lybrand LLP
as independent auditors for the Trust.

                                   2000       2005       2010

                   For:       2,338,249  3,221,511  2,005,894

                   Withheld:     32,050     39,182     20,298

                   Abstain:      16,056     23,829     16,652


                                  2015        2020       2025

                  For:       2,839,173  34,662,889  2,245,523

                  Withheld:     48,007     260,561     50,063

                  Abstain:      23,203     365,292     17,204

PROPOSAL 2:

    To vote on the  approval of a Management  Agreement  with  American  Century
Investment Management, Inc.

                                      2000       2005       2010

                      For:       2,155,666  3,164,507  1,970,766

                      Against:      83,430     87,477     42,085

                      Abstain:      23,369     32,538     29,993

                     Broker
                      Non-Vote:    123,890         --         --


                                      2015        2020       2025

                      For:       2,773,277  29,480,181  2,230,855

                      Against:     102,709     853,758     53,379

                      Abstain:      34,397     474,044     28,556

                     Broker
                      Non-Vote:         --   4,480,759         --

PROPOSAL 3:

    To vote on the adoption of standardized investment limitations.

*   Eliminate the fundamental  investment limitation concerning  diversification
    of investments.

                                      2000       2005       2010

                      For:       2,118,749  2,829,627  1,744,756

                      Against:     107,870    157,025     73,427

                      Abstain:      35,846     40,658     39,018

                     Broker
                      Non-Vote:    123,890    257,212    185,643


                                      2015        2020       2025

                      For:       2,434,182  28,685,039  1,604,110

                      Against:     138,293   1,429,790    151,226

                      Abstain:      53,799     693,154     34,735

                     Broker
                      Non-Vote:    284,109   4,480,759    522,719

* Amend the fundamental investment limitation concerning the issuance of senior
  securities.

                                      2000        2005       2010

                      For:       2,124,679   2,837,954  1,744,205

                      Against:     101,233     146,147     70,886

                      Abstain:      36,553      43,209     42,110

                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,441,389  28,698,062  1,614,177

                      Against:     128,717   1,335,195    137,541

                      Abstain:      56,168     774,726     38,353


                     Broker
                      Non-Vote:    284,109   4,480,759    522,719

SEMIANNUAL REPORT                                PROXY VOTING RESULTS        43


                             PROXY VOTING RESULTS

* Amend the fundamental investment limitation concerning borrowing.

                                      2000        2005       2010

                      For:       2,120,872   2,826,055  1,736,075

                      Against:     104,950     157,154     79,557

                      Abstain:      36,643      44,101     41,569

                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,436,282  28,601,674  1,599,689

                      Against:     134,503   1,480,325    150,404

                      Abstain:      55,489     725,984     39,978

                     Broker
                      Non-Vote:    284,109   4,480,759    522,719

* Amend the fundamental investment limitation concerning lending.

                                      2000        2005       2010

                      For:       2,120,457   2,823,601  1,733,191

                      Against:     105,658     159,749     80,761

                      Abstain:      36,350      43,960     43,249

                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,426,825  28,604,041  1,597,752

                      Against:     139,620   1,463,444    149,576

                      Abstain:      59,829     740,498     42,743

                     Broker
                      Non-Vote:    284,109   4,480,759    522,719

* Amend  the  fundamental  investment  limitation  concerning  concentration  of
  investments in a particular industry.

                                      2000        2005       2010

                      For:       2,123,374   2,834,661  1,742,557

                      Against:     105,094     151,362     76,049

                      Abstain:      33,997      41,287     38,595

                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,434,998  28,694,588  1,597,858

                      Against:     147,153   1,425,847    154,523

                      Abstain:      44,123     687,548     37,690

                     Broker
                      Non-Vote:    284,109   4,480,759    522,719

* Eliminate the fundamental investment limitation regarding investments in
  illiquid securities.

                                      2000        2005       2010

                      For:       2,121,579   2,821,153  1,732,016

                      Against:     106,293     164,329     88,085

                      Abstain:      34,593      41,828     37,100

                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,422,378  28,467,740  1,588,898

                      Against:     159,085   1,653,721    151,953

                      Abstain:      44,811     686,522     49,220

                     Broker
                      Non-Vote:    284,109   4,480,759    522,719

* Eliminate the fundamental limitation concerning investment in other investment
  companies.

                                      2000        2005       2010

                      For:       2,122,595   2,830,802  1,741,446

                      Against:     101,020     155,656     80,239

                      Abstain:      38,850      40,852     35,516

               Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,435,093  28,674,522  1,602,310

                      Against:     148,025   1,453,712    150,693

                      Abstain:      43,156     679,749     37,068

               Broker
                      Non-Vote:    284,109   4,480,759    522,719

44          PROXY VOTING RESULTS                   AMERICAN CENTURY INVESTMENTS


                             PROXY VOTING RESULTS

* Amend the fundamental investment limitation concerning investments in real
    estate.

                                      2000        2005       2010

                      For:       2,125,415   2,831,897  1,740,965

                      Against:     101,322     153,340     79,072

                      Abstain:      35,728      42,073     37,164

                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,449,566  28,756,043  1,611,710

                      Against:     135,542   1,395,445    141,802

                      Abstain:      41,166     656,495     36,559

                     Broker
                      Non-Vote:    284,109   4,480,759    522,719

* Amend the fundamental investment limitation concerning underwriting.

                                      2000        2005       2010

                      For:       2,123,933   2,831,073  1,739,040

                      Against:     100,116     153,915     77,415

                      Abstain:      38,416      42,322     40,746

                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,431,963  28,654,859  1,612,266

                      Against:     148,624   1,414,034    135,036

                      Abstain       45,687     739,090     42,769

                     Broker
                      Non-Vote:    284,109   4,480,759    522,719

* Amend the fundamental investment limitation concerning commodities.

                                      2000        2005       2010

                      For:       2,118,769   2,821,811  1,728,371

                      Against:     107,049     162,920     92,499

                      Abstain:      36,647      42,579     36,331

                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,427,302  28,366,230  1,572,093

                      Against:     154,307   1,727,107    175,946

                      Abstain:      44,665     714,646     42,032

                     Broker
                      Non-Vote     284,109   4,480,759    522,719

*   Eliminate the fundamental  limitation concerning investments in issuers with
    less than three years of continuous operations.

                                      2000        2005       2010

                      For:       2,120,488   2,828,156  1,735,215

                      Against:     105,671     157,611     86,332

                      Abstain:      36,306      41,543     35,654

                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,429,564  28,511,369  1,603,757

                      Against:     152,805   1,587,778    147,935

                      Abstain:      43,905     708,836     38,379

                     Broker
                      Non-Vote:    284,109   4,480,759    522,719

* Eliminate the fundamental limitation concerning short sales.

                                      2000        2005       2010

                      For:       2,120,629   2,826,855  1,734,039

                      Against:     106,199     157,922     88,096

                      Abstain:      35,637      42,533     35,066

                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,427,370  28,518,493  1,589,639

                      Against:     156,192   1,580,927    158,700

                      Abstain:      42,712     708,563     41,732

                     Broker
                      Non-Vote:    284,109   4,480,759    522,719


ANNUAL REPORT                                  PROXY VOTING RESULTS       45


                             PROXY VOTING RESULTS

* Eliminate the fundamental investment limitation concerning margin purchases of
  securities.

                                      2000        2005       2010

                      For:       2,119,356   2,821,798  1,729,755

                      Against:     107,218     162,295     90,705

                      Abstain:      35,891      43,217     36,741

                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,420,465  28,447,323  1,580,980

                      Against:     160,714   1,645,583    164,609

                      Abstain:      45,095     715,077     44,482

                     Broker
                      Non-Vote:    284,109   4,480,759    522,719

* Eliminate the fundamental investment limitation concerning warrants.

                                      2000        2005       2010

                      For:       2,120,867   2,828,708  1,736,245

                      Against:     104,743     154,886     83,688

                      Abstain:      36,855      43,716     37,268

                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,433,434  28,623,390  1,588,398

                      Against:     148,382   1,422,589    152,408

                      Abstain:      44,458     762,004     49,265

                     Broker
                      Non-Vote:    284,109   4,480,759    522,719

* Eliminate the fundamental investment limitation concerning investments in oil,
  gas and mineral exploration development programs.

                                      2000        2005       2010

                      For:       2,123,640   2,826,213  1,735,220

                      Against:     104,658     158,151     84,935

                      Abstain:      34,167      42,946     37,046

                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,428,503  28,591,455  1,576,729

                      Against:     153,266   1,526,409    179,485

                      Abstain:      44,505     690,119     33,857

                     Broker
                      Non-Vote:    284,109   4,480,759    522,719

* Eliminate the fundamental  investment  limitations  concerning  investments in
  securities owned by officers and directors.

                                      2000        2005       2010

                      For:       2,114,762   2,820,102  1,730,426

                      Against:     112,659     165,580     88,664

                      Abstain:      35,044      41,628     38,111
 
                     Broker
                      Non-Vote:    123,890     257,212    185,643


                                      2015        2020       2025

                      For:       2,419,375  28,320,600  1,577,180

                      Against:     161,919   1,745,786    169,033

                      Abstain:      44,980     741,597     43,858

                     Broker
                      Non-Vote:    284,109   4,480,759    522,719


46      PROXY VOTING RESULTS                   AMERICAN CENTURY INVESTMENTS


                        RETIREMENT ACCOUNT INFORMATION

    As required by law,  any  distributions  you receive from an IRA and certain
403(b)  distributions [not eligible for rollover to an IRA or to another 403(b)]
are subject to federal  income tax  withholding  at the rate of 10% of the total
amount withdrawn,  unless you elect not to have withholding  apply. If you don't
want us to withhold on this amount, you may send us a written notice not to have
the federal  income tax  withheld.  Your written  notice is valid for six months
from the date of receipt at American Century.  Even if you plan to roll over the
amount you withdraw to another tax-deferred  account, the withholding rate still
applies to the withdrawn  amount unless we have received a written notice not to
withhold federal income tax within six months prior to the withdrawal.

    When you plan to  withdraw,  you may make your  election by  completing  our
Exchange/  Redemption form or an IRS Form W-4P. Call American Century for either
form.  Your  written  election  is valid  for only six  months  from the date of
receipt at American Century. You may revoke your election at any time by sending
a written notice to us.

    Remember,  even if you elect not to have income tax withheld, you are liable
for paying income tax on the taxable  portion of your  withdrawal.  If you elect
not to have income tax  withheld or you don't have enough  income tax  withheld,
you may be  responsible  for payment of estimated  tax. You may incur  penalties
under the estimated tax rules if your withholding and estimated tax payments are
not sufficient.

ANNUAL REPORT                        RETIREMENT ACCOUNT INFORMATION       47


                            BACKGROUND INFORMATION

INVESTMENT PHILOSOPHY & POLICIES

    The Benham Group  offers 38  fixed-income  funds,  ranging from money market
funds to long-term bond funds and including  both taxable and tax-exempt  funds.
Each fund is  managed  to  provide  a "pure  play" on a  specific  sector of the
fixed-income market. To ensure adherence to this principle,  the basic structure
of each fund's  portfolio  is tied to a specific  market  index.  Fund  managers
attempt  to add  value by making  modest  portfolio  adjustments  based on their
analysis of  prevailing  market  conditions.  Investment  decisions  are made by
management teams, which meet regularly to discuss market analysis and investment
strategies.

    In addition to these principles, each fund has its own investment policies:

    The six TARGET MATURITIES TRUST funds, including TARGET: 2000, TARGET: 2005,
TARGET:  2010, TARGET:  2015, TARGET: 2020 and TARGET: 2025, are variable-priced
bond funds that invest  primarily in zero-coupon  U.S.  Treasury  securities and
will be liquidated shortly after the conclusion of their target maturity year.

COMPARATIVE INDICES

    The following index is used in the report for fund performance  comparisons.
The index is not an investment product available for purchase.

    The MERRILL  LYNCH  LONG-TERM  TREASURY  INDEX is an index of U.S.  Treasury
securities with maturities greater than 10 years.

FUND BENCHMARKS

    The  benchmarks  for the Target  Maturities  Trust  funds are coupon  STRIPS
issues maturing in the target year of each portfolio.

    The  benchmark  for the Target:  2000 fund is the 11/15/00  STRIPS  ISSUE--a
zero-coupon Treasury bond that matures November 15, 2000.

    The  benchmark  for the Target:  2005 fund is the 11/15/05  STRIPS  ISSUE--a
zero-coupon Treasury bond that matures November 15, 2005.

    The  benchmark  for the Target:  2010 fund is the 11/15/10  STRIPS  ISSUE--a
zero-coupon Treasury bond that matures November 15, 2010.

    The  benchmark  for the Target:  2015 fund is the 11/15/15  STRIPS  ISSUE--a
zero-coupon Treasury bond that matures November 15, 2015.

    The  benchmark for the Target:  2020 fund is currently  the 11/15/20  STRIPS
ISSUE--a zero-coupon Treasury bond that matures November 15, 2020.

    The  benchmark  for the  Target:  2025 fund is the 8/15/25  STRIPS  ISSUE--a
zero-coupon Treasury bond that matures August 15, 2025.


- --------------------------------------------------------------------------------
INVESTMENT TEAM LEADERS
- -----------------------
  Portfolio Manager                               Dave Schroeder
- --------------------------------------------------------------------------------

48      BACKGROUND INFORMATION                 AMERICAN CENTURY INVESTMENTS


                                   GLOSSARY

INVESTMENT TERMS

   BASIS POINT--one  one-hundredth  of a percentage point (or 0.01%).  100 basis
points equal one percentage point (or 1%).

   COUPON--the stated interest rate of a security.

   YIELD CURVE--a graphic  representation  of the relationship  between maturity
and yield for  fixed-income  securities.  Yield curve  graphs  plot  lengthening
maturities along the horizontal axis and rising yields along the vertical axis.

RETURNS

   TOTAL  RETURN  figures show the overall  percentage  change in the value of a
hypothetical  investment  in  the  fund  and  assume  that  all  of  the  fund's
distributions are reinvested.

   AVERAGE ANNUAL RETURNS illustrate the annually  compounded returns that would
have produced the fund's cumulative total returns if the fund's  performance had
been  constant  over the  entire  period.  Average  annual  returns  smooth  out
variations  in a fund's  return;  they are not the same as  fiscal  year-by-year
results.  For  fiscal  year-by-year  returns,  please  refer  to the  "Financial
Highlights" on pages 36-41.

STATISTICAL TERMINOLOGY

   NUMBER OF SECURITIES--the  number of different securities held by a fund on a
given date.

   ANTICIPATED GROWTH RATE (AGR)--the annualized rate of return that an investor
"locks in" after  investing in a Targets fund on a specific day. It assumes that
the anticipated  value at maturity is reached on the weighted  average  maturity
date.

   WEIGHTED  AVERAGE  MATURITY  (WAM)--a  measurement  of the  sensitivity  of a
fixed-income  portfolio to interest rate changes. WAM indicates the average time
until the securities in the portfolio mature, weighted by dollar amount.

   WAM DATE (WEIGHTED  AVERAGE MATURITY  DATE)--an average of the maturity dates
of a  portfolio's  securities,  weighted  by  dollar  amount.  The  WAM  date is
calculated based on the WAM of the portfolio's investments on a given day.

   ANTICIPATED  VALUE AT MATURITY  (AVM)--the  calculated  redemption value of a
portfolio share on the portfolio's WAM date.

   EXPENSE RATIO--the  operating expenses of the fund, expressed as a percentage
of average net assets.  Shareholders pay an annual fee to the investment manager
for  investment  advisory  and  management  services.  The expenses and fees are
deducted from fund income, not from each shareholder account. (See Note 2 in the
Notes to Financial Statements.)

TYPES OF SECURITIES

   ZERO-COUPON BONDS  (ZEROS)--bonds  that make no periodic  interest  payments.
Instead,  they are sold at a deep discount and then redeemed for their full face
value at maturity.  When held to maturity, a zero's entire return comes from the
difference between its purchase price and its value at maturity.

TYPES OF ZEROS

   STRIPS (SEPARATE TRADING OF REGISTERED  INTEREST AND PRINCIPAL OF SECURITIES)
- --the U.S.  Treasury  Department  program that allows  broker-dealers to "strip"
Treasury securities into their component parts. The securities created by this "
stripping"  activity are also known as STRIPS.  STRIPS are direct obligations of
the U.S.  government  and are the most liquid  (easily bought and sold) Treasury
zeros.

   REFCORPS  (RESOLUTION  FUNDING CORPORATION  ZEROS)--zeros  created from bonds
issued by the Resolution  Funding  Corporation,  a U.S.  government  agency. The
principal  portions  of these  bonds are  secured  by  Treasury  zeros,  and the
interest  portions  are  guaranteed  by the  U.S.  Treasury.  REFCORPs  are also
relatively liquid.

   RECEIPT ZEROS--zeros  created and issued by broker-dealers  before the STRIPS
program was  implemented in 1985. The effective  maturities of existing  receipt
zeros  do not  extend  beyond  2009.  Broker-dealers  created  receipt  zeros by
purchasing Treasury bonds, depositing them in a custodian bank, and then selling
receipts representing ownership interest in the coupons or principal portions of
the bonds.  The custodial  accounts that hold the underlying  Treasury bonds are
kept separate from the bank's assets. The types of receipt zeros include:

    CATS  (CERTIFICATES  OF ACCRUAL OF TREASURY  SECURITIES)--issued  by Salomon
    Brothers, Inc.

    TRS (TREASURY RECEIPTS)--general receipt zeros.

    ETRS (EASY-GROWTH TREASURY RECEIPTS)--issued by Dean Witter Reynolds, Inc.


     ANNUAL REPORT                                              GLOSSARY     49


[american century logo]
American
Century(reg.sm)

P.O. BOX 419200 
KANSAS CITY, MISSOURI 
64141-6200

INVESTOR SERVICES:  
1-800-345-2021 OR 816-531-5575

AUTOMATED INFORMATION LINE:  
1-800-345-8765

TELECOMMUNICATIONS DEVICE FOR THE DEAF:   
1-800-634-4113 OR 816-444-3485

FAX: 816-340-7962

INTERNET: www.americancentury.com


AMERICAN CENTURY TARGET MATURITIES TRUST


INVESTMENT MANAGER

AMERICAN CENTURY INVESTMENT MANAGEMENT, INC.

KANSAS CITY, MISSOURI


THIS  REPORT AND THE  STATEMENTS  IT  CONTAINS  ARE  SUBMITTED  FOR THE  GENERAL
INFORMATION OF OUR  SHAREHOLDERS.  THE REPORT IS NOT AUTHORIZED FOR DISTRIBUTION
TO  PROSPECTIVE  INVESTORS  UNLESS  PRECEDED  OR  ACCOMPANIED  BY  AN  EFFECTIVE
PROSPECTUS.


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