ALGER AMERICAN FUND
497, 2000-06-19
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                  The Alger
              American Fund

                A pooled funding vehicle for:

                o    variable annuity contracts          One World Trade Center

                o    variable life insurance policies    Suite 9333

                o    qualified pension plans             New York, NY 10048

                o    qualified retirement plans          1-800-992-3863


                                   PROSPECTUS

                                   May 1, 2000




   Alger American MidCap Growth Portfolio
          Alger American Growth Portfolio
        Alger American Balanced Portfolio

As with all  mutual  funds,  the  Securities  and  Exchange  Commission  has not
determined if the  information in this  Prospectus is accurate or complete,  nor
has it approved or disapproved  these  securities.  It is a criminal  offense to
represent otherwise.

An  investment  in the Fund is not a  deposit  of a bank and is not  insured  or
guaranteed by the Federal Deposit Insurance  Corporation or any other government
agency.

<PAGE>

The Alger
American Fund

PROSPECTUS

May 1, 2000

TABLE OF CONTENTS



2 ........... Risk/Return Summary: Investments, Risks & Performance

      2 ..... Investments

              Alger American MidCap
                Growth Portfolio ......................... 2
              Alger American Growth Portfolio ............ 2
              Alger American Balanced Portfolio .......... 2

      3 ..... Principal Risks

              Alger American MidCap
                Growth Portfolio ..... .................... 3
              Alger American Growth Portfolio ............ 3
              Alger American Balanced Portfolio .......... 3

      3 ..... Performance

              Alger American Growth Portfolio ............ 4
              Alger American MidCap
                Growth Portfolio ......................... 4
              Alger American Balanced Portfolio .......... 4

5 ........... Fees and Expenses
6 ........... Management & Organization
6 ........... Shareholder Information

              Distributor ................................ 6
              Transfer Agent ............................. 6
              Purchasing and Redeeming Fund Shares ....... 7

8 ........... Financial Highlights

Back Cover:   How to obtain more information

<PAGE>


[GRAPHIC]

Risk/Return Summary: Investments, Risks & Performance

Investments: The Alger American Fund

The  investment  goal  and  primary  approach  of each  portfolio  is  discussed
individually  below. All of the portfolios (other than the fixed-income  portion
of the Balanced Portfolio) invest primarily in equity securities, such as common
or   preferred   stocks,   which  are  listed  on  U.S.   exchanges  or  in  the
over-the-counter  market.  They invest primarily in "growth" stocks.  The Fund's
Manager, Fred Alger Management, Inc., believes that these companies tend to fall
into one of two categories:

o    High Unit Volume Growth

     Vital,  creative  companies  which  offer  goods or  services  to a rapidly
     expanding  marketplace.  They include both  established and emerging firms,
     offering new or improved products,  or firms simply fulfilling an increased
     demand for an existing line.

o    Positive Life Cycle Change

     Companies  experiencing  a  major  change  which  is  expected  to  produce
     advantageous  results.  These  changes may be as varied as new  management,
     products or technologies;  restructuring or  reorganization;  or merger and
     acquisition.

The company's market  capitalization  will dictate in which portfolio(s) it will
be  placed.  The  market  capitalization  of a  company  is its  price per share
multiplied by its number of outstanding shares.

Alger American MidCap Growth Portfolio

Goal

The Alger American MidCap Growth Portfolio seeks long-term capital appreciation.

Approach

It focuses on midsize  companies with promising growth  potential.  Under normal
circumstances,  the  portfolio  invests  primarily in the equity  securities  of
companies  having a market  capitalization  within the range of companies in the
S&P MidCap 400 Index(R).

Alger American Growth Portfolio

Goal

The Alger American Growth Portfolio seeks long-term capital appreciation.

Approach

It  focuses on growing  companies  that  generally  have  broad  product  lines,
markets,   financial   resources   and  depth  of   management.   Under   normal
circumstances, the portfolio invests primarily in the equity securities of large
companies.   The   portfolio   considers  a  large  company  to  have  a  market
capitalization of $1 billion or greater.

Alger American Balanced Portfolio

Goal

The Alger American Balanced Portfolio seeks current income and long-term capital
appreciation.

Approach

It  focuses  on stocks of  companies  with  growth  potential  and  fixed-income
securities,  with emphasis on  income-producing  securities which appear to have
some  potential  for  capital  appreciation.  Under  normal  circumstances,  the
portfolio  invests in common stocks and fixed-income  securities,  which include
commercial  paper and bonds rated within the 4 highest  rating  categories by an
established  rating agency or if not rated,  which are  determined by the Fund's
Manager to be of comparable quality. Ordinarily, at least 25% of the portfolio's
net assets are invested in fixed-income securities.


2
<PAGE>

[GRAPHIC]

Principal Risks

Risks Applicable to All Equity Portfolios

As with any fund that invests in stocks,  your  investment will go up or down in
value,  and the loss of your  investment is a risk of  investing.  A portfolio's
price per share  will  fluctuate  due to  changes  in the  market  prices of its
investments.  Also,  a Fund  investment  may not  grow  as  fast as the  rate of
inflation and stocks tend to be more volatile  than some other  investments  you
could make, such as bonds.  Furthermore,  the returns of a fund concentrating on
"growth"  stocks  tend to vary more  widely  over time than  those of funds that
focus on "value"  stocks;  prices of growth stocks tend to be higher in relation
to their companies' earnings and may be more sensitive to market,  political and
economic  developments  than other  stocks,  making their prices more  volatile.
Based on the equity portfolios' investment styles and objectives,  an investment
in them may be better suited to investors who seek long-term  capital growth and
can tolerate fluctuations in their investments' values.

A portfolio's trading in some stocks may be relatively  short-term,  meaning the
Fund may buy a  security  and sell it a short time  later to take  advantage  of
current  gains if it is  believed  that an  alternative  investment  may provide
greater future growth.  This activity may create higher transaction costs due to
commissions and other expenses.

There may be additional risks applicable to a specific  portfolio because of its
investment approach.

Risks Applicable to Alger American
MidCap Growth Portfolio

An additional risk of investing in the portfolio is:

o    the  possibility  of greater risk by investing  in  medium-sized  companies
     rather than larger,  more  established  companies  owing to such factors as
     inexperienced management and limited financial resources

Risks Applicable to Alger American Growth Portfolio

The portfolio's primary risks are those summarized above in "Risks Applicable to
All Equity Portfolios."

Risks Applicable to Alger American
Balanced Portfolio

The primary risks arising from the fixed-income portion of the portfolio are:

o    fixed income securities' sensitivity to interest rate movements

o    the potential for a decline in the portfolio's market value in the event of
     an issuer's falling credit rating or actual default

The primary risks for the equity  portion of the portfolio are those  summarized
above in "Risks Applicable to All Equity Portfolios."

[GRAPHIC]

Performance

The following bar charts show the changes in each  portfolio's  performance from
year to year and give you some indication of the risks of investing in the Fund.
They assume reinvestment of dividends and distributions.

The Average  Annual Total Return tables compare a portfolio's  performance  over
several periods with that of an appropriate  benchmark index. The annual returns
assume  reinvestment  of  dividends  and  distributions.  Remember  that  how  a
portfolio has performed in the past is not  necessarily  an indication of how it
will perform in the future.

The  performance  disclosed  in these charts does not reflect  separate  account
charges which, if reflected, would lower returns.


                                                                               3
<PAGE>

Each index used in the tables is a broad index  designed  to track a  particular
market or market  segment.  No expenses or fees are reflected in the returns for
the  indexes,   which  are  unmanaged.   All  returns  for  the  indexes  assume
reinvestment of dividends and interest on the underlying securities that make up
the respective index.

o    S&P 500 Index(R):  An index of large company common stocks considered to be
     representative of the U.S. stock market in general.

o    S&P  Midcap  400  Index(R):  An index of common  stocks  designed  to track
     performance of medium capitalization companies.

o    Lehman Brothers  Government/Corporate  Bond Index(R):  An index designed to
     track performance of government and corporate bonds.

Since the Balanced Portfolio invests in both equity and fixed income securities,
you should compare its performance to both indexes presented.


                        Alger American Growth Portfolio

              Annual Total Return as of December 31 each year (%)

  [THE FOLLOWING TABLE WAS REPRESENTED AS A BAR CHART IN THE PRINTED MATERIAL]

                        YEAR                  PERCENT
                        ----                  -------
                         90                     4.14
                         91                    40.39
                         92                    12.38
                         93                    22.47
                         94                     1.45
                         95                    36.37
                         96                    13.35
                         97                    25.75
                         98                    48.07
                         99                    33.74


Best Quarter      25.93%     Q4     1998
Worst Quarter:   (16.21)%    Q3     1990

              Average Annual Total Return as of December 31, 1999

                                                                Since
                                                              Inception
                          1 Year     5 Years    10 Years       1/9/89
-------------------------------------------------------------------------
American Growth          33.74%       30.94%     22.89%        23.05%
S&P 500 Index(R)         21.04%       28.56%     18.21%        19.22%




                     Alger American MidCap Growth Portfolio

              Annual Total Return as of December 31 each year (%)

  [THE FOLLOWING TABLE WAS REPRESENTED AS A BAR CHART IN THE PRINTED MATERIAL]


                        YEAR                  PERCENT
                        ----                  -------
                         94                    -1.54
                         95                    44.45
                         96                    11.90
                         97                    15.01
                         98                    30.30
                         99                    31.85

Best Quarter      27.07%     Q4     1998
Worst Quarter:   (14.21)%    Q3     1998


              Average Annual Total Return as of December 31, 1999

                                                   Since
                                                 Inception
                          1 Year     5 Years      5/3/93
------------------------------------------------------------
American MidCap Growth    31.85%      26.14%       24.72%
S&P Midcap 400 Index(R)   14.72%      23.05%       18.34%





                       Alger American Balanced Portfolio

              Annual Total Return as of December 31 each year (%)

  [THE FOLLOWING TABLE WAS REPRESENTED AS A BAR CHART IN THE PRINTED MATERIAL]


                        YEAR                  PERCENT
                        ----                  -------
                         90                     6.53
                         91                     4.70
                         92                     9.48
                         93                     7.79
                         94                    -4.27
                         95                    28.62
                         96                    10.17
                         97                    19.82
                         98                    31.51
                         99                    29.21


Best Quarter      16.94%     Q4     1998
Worst Quarter:    (5.70)%    Q1     1994

              Average Annual Total Return as of December 31, 1999

                                                                Since
                                                              Inception
                          1 Year     5 Years    10 Years       9/5/89
-------------------------------------------------------------------------
American Balanced        29.21%       23.60%     13.78%        13.61%
S&P 500 Index(R)         21.04%       28.56%     18.21%        17.78%
Lehman Brothers Gov't/
  Corp Bond Index(R)     (2.14)%       7.60%      7.66%         7.82%






4
<PAGE>


[GRAPHIC]


Fees and Expenses

Investors  incur certain fees and expenses in  connection  with an investment in
the Fund. The following  table shows the fees and expenses that you may incur if
you buy and hold shares of the portfolios.








<TABLE>
<CAPTION>

                                                       ANNUAL FUND OPERATING
                                                       EXPENSES
                                                       (expenses that are deducted
                                                       from Fund assets)
------------------------------------------------------------------------------------------------------------------
                                   SHAREHOLDER FEES
                                  (fees paid directly   Management  Distribution     Other     TOTAL ANNUAL FUND
                                  from your investment)    Fees        Fees         Expenses   OPERATING EXPENSES
------------------------------------------------------------------------------------------------------------------
<S>                                     <C>               <C>           <C>           <C>            <C>

ALGER AMERICAN
MIDCAP GROWTH
PORTFOLIO                               None              .80%          None         .05%            .85%
------------------------------------------------------------------------------------------------------------------
ALGER AMERICAN
GROWTH
PORTFOLIO                               None              .75%          None         .04%            .79%
------------------------------------------------------------------------------------------------------------------
ALGER AMERICAN
BALANCED PORTFOLIO                      None              .75%          None         .18%            .93%
------------------------------------------------------------------------------------------------------------------
</TABLE>



Example

The  following  example,  which  reflects  the  shareholder  fees and  operating
expenses listed in the preceding table, is intended to help you compare the cost
of investing in the Fund with the cost of investing in other mutual funds.

The example  assumes  that you invest  $10,000 in the Fund for the time  periods
indicated.  The example also assumes that your  investment  has a 5% return each
year and that the  Fund's  operating  expenses  remain  the same as in the prior
table.  The figures  shown would be the same whether or not you sold your shares
at the end of each  period.  Although  your actual costs may be higher or lower,
based on these assumptions your costs would be:

--------------------------------------------------------------------------------
                                    1 Year      3 Years      5 Years    10 Years
--------------------------------------------------------------------------------
Alger American                        $87         $271         $471       $1,049
MidCap Growth
Portfolio

--------------------------------------------------------------------------------

Alger American                        $81         $252         $439         $978
Growth
Portfolio

--------------------------------------------------------------------------------

Alger American                        $95         $296         $515       $1,143
Balanced
Portfolio
--------------------------------------------------------------------------------

The example above does not reflect charges and deductions  which are, or may be,
imposed under variable annuity contracts,  variable life insurance policies,  or
pension or retirement  plans.  Such charges and  deductions are described in the
prospectus  for the contract or policy  accompanying  this  prospectus or in the
Plan documents.

Additional Information About
the Fund's Investments

Each portfolio may invest up to 100% of its assets in cash, high-grade bonds, or
cash  equivalents for temporary  defensive  reasons if the Manager believes that
adverse market or other  conditions  warrant.  This is to attempt to protect the
portfolio's  assets  from a  temporary  unacceptable  risk of loss,  rather than
directly to promote the portfolio's investment objective.  The portfolio may not
achieve its objective during such periods.

Other  securities  the  portfolios  may  invest in are  discussed  in the Fund's
Statement of Additional Information (see back cover).


                                                                               5
<PAGE>

[GRAPHIC]

Management and Organization

Manager

Fred Alger Management, Inc.
One World Trade Center
Suite 9333
New York, NY 10048

The Manager has been an investment  adviser since 1964, and manages  investments
totaling  (at  12/31/99)  $10.69  billion in mutual fund assets as well as $6.75
billion  in  other  assets.   The  Manager  is  responsible  for  managing  each
portfolio's   assets   according  to  its  goal  and  for  placing  orders  with
broker-dealers to purchase and sell securities on behalf of the portfolios.  The
Fund has had the same manager  since  inception  and, for the most recent fiscal
year,  the  portfolios  paid the Manager  fees at these  annual rates based on a
percentage of average daily net assets:  MidCap Growth  Portfolio--.80%;  Growth
and Balanced Portfolios--.75%.

Portfolio Managers

David Alger,  Ron Tartaro and Steven Thumm are the  individuals  responsible for
the day-to-day management of the portfolios'  investments.  Mr. Alger, a manager
of all of the portfolios since their inception, has been employed by the Manager
as  Executive  Vice  President  and  Director  of Research  since  1971,  and as
President since 1995. Mr. Tartaro, a co-manager of the MidCap Growth, Growth and
Balanced  Portfolios,  has been  employed by the Manager since 1990, as a senior
research  analyst until 1995 and as a Senior Vice President and co-manager since
1995. Steven Thumm serves as co-manager of the Balanced  Portfolio.  He has been
employed by the Manager as a fixed income analyst since 1991.


[GRAPHIC]


Shareholder Information

Distributor

Fred Alger & Company, Incorporated
30 Montgomery Street
Jersey City, NJ 07302

Transfer Agent

Alger Shareholder Services, Inc.
30 Montgomery Street
Jersey City, NJ 07302


Net Asset Value

The  price of one  share  is its "net  asset  value,"  or NAV.  The NAV for each
portfolio is calculated as of the close of business  (normally 4:00 p.m. Eastern
time) every day the New York Stock Exchange is open. Generally,  the Exchange is
closed on weekends  and various  national  holidays.  It may close on other days
from time to time.

The Fund  generally  values the assets of each  portfolio on the basis of market
quotations or, where market quotations are not readily  available,  on the basis
of fair value as  determined  by the  Manager  under  procedures  adopted by the
Fund's  Board of  Trustees.  Short-term  money  market  instruments  held by the
portfolios are valued on the basis of amortized cost.

Dividends and Distributions

The Fund  declares  and  pays  dividends  and  distributions  by the  portfolios
annually.  The Fund  expects  that these annual  payments to  shareholders  will
consist of both capital gains and net investment income.

Federal income taxation of separate  accounts of insurance  companies,  variable
annuity  contracts  and variable  life  insurance  contracts is discussed in the
prospectuses of participating insurance companies.  Generally,  distributions by
the Fund will not be  taxable  to  holders  of  variable  annuity  contracts  or
variable life insurance  policies if the insurance  company separate accounts to
which those distributions are made meet certain requirements,  including certain
diversification  requirements  that the Fund has  undertaken to meet,  under the
Internal  Revenue Code.  Participants in qualified  pension and retirement plans
ordinarily  will not be subject to taxation  on  dividends  from net  investment
income and  distributions  from net realized  capital gains until they receive a
distribution of the dividends from their plan accounts. Generally, distributions
from plan accounts are taxable as ordinary income at the rate applicable to each
participant at the time of distribution. In certain cases, distributions


6
<PAGE>


made to a participant prior to the participant's reaching age 59-1/2 are subject
to a penalty tax equivalent to 10% of the distributed amount, in addition to the
ordinary income tax payable on such amount.

Because  everyone's  tax situation is unique,  see a tax advisor about  federal,
state and local tax consequences of investing in the Fund.

                                     NAV (net asset value) is computed by adding
                               together the value of the portfolio's investments
                         plus cash and other assets, subtracting its liabilities
                                   and then dividing the result by the number of
                                                         its outstanding shares.

Purchasing and Redeeming Fund Shares

The Fund is an investment  vehicle for variable  annuity  contracts and variable
life  insurance  policies  offered by the  separate  accounts of life  insurance
companies,  as well as qualified  pension and  retirement  plans.  An individual
cannot invest in a portfolio  directly,  but may do so only through one of these
sources.  The Fund's  shares are held in the names of the separate  accounts and
plans.

Shares of the Fund can be  purchased  or  redeemed on any day the New York Stock
Exchange is open.  They will be processed at the NAV next  calculated  after the
purchase or redemption  request is received in good order by the Transfer Agent.
All orders for purchase of shares are subject to  acceptance  by the Fund or its
Transfer Agent.  The Transfer Agent pays for redemptions  within 7 days after it
accepts a redemption request.

The Fund may redeem some shares "in kind," which means that some of the proceeds
will be paid with securities the Fund owns instead of cash.



                                                                               7
<PAGE>

[GRAPHIC]

Financial Highlights

The  financial  highlights  table  is  intended  to  help  you  understand  each
portfolio's  financial  performance for the periods shown.  Certain  information
reflects  financial  results for a single Fund share.  The total  returns in the
table  represent  the rate  that an  investor  would  have  earned or lost on an
investment   in  the  Fund   (assuming   reinvestment   of  all   dividends  and
distributions).  The financial  highlights  have been audited by Arthur Andersen
LLP, the Fund's  independent public  accountants.  Arthur Andersen LLP's report,
along with the Fund's financial  statements,  are included in the Annual Report,
which is available upon request.

Note that the Financial  Highlights do not reflect charges and deductions  which
are,  or may  be,  imposed  under  variable  annuity  contracts,  variable  life
insurance policies,  or pension or retirement plans. Such charges and deductions
are described in the  prospectus  for the contract or policy  accompanying  this
prospectus or in the plan documents.

Alger American Growth Portfolio

For a share outstanding throughout the year

<TABLE>
<CAPTION>
                                                                         Year Ended December 31,
=================================================================================================================================
                                                   1999              1998             1997              1996            1995
                                              -------------     -------------     -------------     -------------   -------------
<S>                                           <C>               <C>               <C>               <C>             <C>
Net asset value, beginning of year            $       53.22     $       42.76     $       34.33     $       31.16   $       23.13
                                              -------------     -------------     -------------     -------------   -------------
Net investment income (loss)                          (0.03)             0.09              0.13              0.12            0.02
Net realized and unrealized gain (loss)
 on investments                                       16.66             18.32              8.66              4.00            8.33
                                              -------------     -------------     -------------     -------------   -------------
Total from investment operations                      16.63             18.41              8.79              4.12            8.35
                                              -------------     -------------     -------------     -------------   -------------
Dividends from net investment income                  (0.08)            (0.13)            (0.13)            (0.02)          (0.07)
Distributions from net realized gains                 (5.39)            (7.82)            (0.23)            (0.93)          (0.25)
                                              -------------     -------------     -------------     -------------   -------------
Total Distributions                                   (5.47)            (7.95)            (0.36)            (0.95)          (0.32)
                                              -------------     -------------     -------------     -------------   -------------
Net asset value, end of year                  $       64.38     $       53.22     $       42.76     $       34.33   $       31.16
                                              =============     =============     =============     =============   =============
Total Return                                          33.74%            48.07%            25.75%            13.35%          36.37%
                                              =============     =============     =============     =============   =============
Ratios and Supplemental Data:
 Net assets, end of year (000's omitted)      $   3,387,526     $   1,905,719     $   1,072,529     $     991,028   $     502,974
                                              =============     =============     =============     =============   =============
 Ratio of expenses to average net assets               0.79%             0.79%             0.79%             0.79%           0.85%
                                              =============     =============     =============     =============   =============
 Ratio of net investment income (loss)
  to average net assets                               (0.03%)            0.25%             0.27%             0.50%           0.18%
                                              =============     =============     =============     =============   =============
 Portfolio Turnover Rate                             135.13%           127.38%           129.50%            82.86%         118.33%
                                              =============     =============     =============     =============   =============
</TABLE>



8
<PAGE>


<TABLE>
<CAPTION>
                                                                         Year Ended December 31,
============================================================================================================================
                                                      1994            1993           1992           1991             1990
                                                  -----------     -----------    -----------    -----------      -----------
<S>                                               <C>             <C>            <C>            <C>              <C>
Net asset value, beginning of year                $     24.67     $     20.17    $     18.00    $     12.86      $     12.41
                                                  -----------     -----------    -----------    -----------      -----------
Net investment income (loss)                             0.07            0.03           0.03           0.08(i)          0.07
Net realized and unrealized gain (loss)
 on investments                                          0.15            4.50           2.19           5.11             0.44
                                                  -----------     -----------    -----------    -----------      -----------
Total from investment operations                         0.22            4.53           2.22           5.19             0.51
                                                  -----------     -----------    -----------    -----------      -----------
Dividends from net investment income                    (0.03)          (0.03)         (0.03)         (0.05)           (0.06)
Distributions from net realized gains                   (1.73)           --            (0.02)          --               --
                                                  -----------     -----------    -----------    -----------      -----------
Total Distributions                                     (1.76)          (0.03)         (0.05)         (0.05)           (0.06)
                                                  -----------     -----------    -----------    -----------      -----------
Net asset value, end of year                      $     23.13     $     24.67    $     20.17    $     18.00      $     12.86
                                                  ===========     ===========    ===========    ===========      ===========
Total Return                                             1.45%          22.47%         12.38%         40.39%            4.14%
                                                  ===========     ===========    ===========    ===========      ===========
Ratios and Supplemental Data:
 Net assets, end of year (000's omitted)          $   150,390     $    74,878    $    30,316    $    10,094      $     1,228
                                                  ===========     ===========    ===========    ===========      ===========
 Ratio of expenses to average net assets                 0.86%           0.97%          0.99%          1.29%            1.50%(ii)
                                                  ===========     ===========    ===========    ===========      ===========
 Ratio of net investment income (loss)
  to average net assets                                  0.48%           0.25%          0.33%          0.52%            1.69%
                                                  ===========     ===========    ===========    ===========      ===========
 Portfolio Turnover Rate                               111.76%         112.64%         63.91%         58.95%           86.77%
                                                  ===========     ===========    ===========    ===========      ===========
</TABLE>


(i)  Amount was computed based on average shares outstanding during the year.

(ii) Ratio has been reduced by 2.31% for the year ended  December 31, 1990,  due
     to expense reimbursements.


                                                                               9
<PAGE>


Alger American Balanced Portfolio (i)

For a share outstanding throughout the year

<TABLE>
<CAPTION>

                                                                           Year Ended December 31,
================================================================================================================================
                                                      1999            1998            1997            1996               1995
                                                   ----------      ----------      ----------      ----------         ----------
<S>                                                <C>             <C>             <C>             <C>                <C>
Net asset value, beginning of year                 $    12.98      $    10.76      $     9.24      $    13.64         $    10.80
                                                   ----------      ----------      ----------      ----------         ----------
Net investment income (loss)                             0.15            0.19            0.17            0.21(ii)           0.33(ii)
Net realized and unrealized gain (loss)
 on investments                                          3.45            3.02            1.63            1.01               2.73
                                                   ----------      ----------      ----------      ----------         ----------
Total from investment operations                         3.60            3.21            1.80            1.22               3.06
                                                   ----------      ----------      ----------      ----------         ----------
Dividends from net investment income                    (0.17)          (0.18)          (0.12)          (0.73)             (0.22)
Distributions from net realized gains                   (0.84)          (0.81)          (0.16)          (4.89)                --
                                                   ----------      ----------      ----------      ----------         ----------
Total Distributions                                     (1.01)          (0.99)          (0.28)          (5.62)             (0.22)
                                                   ----------      ----------      ----------      ----------         ----------
Net asset value, end of year                       $    15.57      $    12.98      $    10.76      $     9.24         $    13.64
                                                   ==========      ==========      ==========      ==========         ==========
Total Return                                            29.21%          31.51%          19.82%          10.17%             28.62%
                                                   ==========      ==========      ==========      ==========         ==========
Ratios and Supplemental Data:
 Net assets, end of year (000's omitted)           $   56,327      $   28,208      $   16,614      $   10,486         $    3,671
                                                   ==========      ==========      ==========      ==========         ==========
 Ratio of expenses to average net assets                 0.93%           0.92%           1.01%           1.14%              1.00%
                                                   ==========      ==========      ==========      ==========         ==========
 Decrease reflected in above expense
  ratios due to expense reimbursements                     --              --              --              --                 --
                                                   ==========      ==========      ==========      ==========         ==========
 Ratio of net investment income (loss)
  to average net assets                                  1.66%           2.09%           2.14%           2.06%              2.49%
                                                   ==========      ==========      ==========      ==========         ==========
 Portfolio Turnover Rate                               118.74%          94.64%         105.01%          68.66%            113.02%
                                                   ==========      ==========      ==========      ==========         ==========
</TABLE>


10
<PAGE>


<TABLE>
<CAPTION>
                                                                             Year Ended December 31,
===============================================================================================================================
                                                        1994             1993            1992            1991            1990
                                                    ----------       ----------      ----------      ----------      ----------
<S>                                                 <C>              <C>             <C>             <C>             <C>
Net asset value, beginning of year                  $    11.58       $    10.77      $    10.02      $    10.01      $    10.04
                                                    ----------       ----------      ----------      ----------      ----------
Net investment income (loss)                              0.20             0.15            0.22            0.45            0.66
Net realized and unrealized gain (loss)
 on investments                                          (0.70)            0.69            0.72            0.01           (0.03)
                                                    ----------       ----------      ----------      ----------      ----------
Total from investment operations                         (0.50)            0.84            0.94            0.46            0.63
                                                    ----------       ----------      ----------      ----------      ----------
Dividends from net investment income                     (0.13)           (0.03)          (0.19)          (0.45)          (0.66)
Distributions from net realized gains                    (0.15)              --              --              --              --
                                                    ----------       ----------      ----------      ----------      ----------
Total Distributions                                      (0.28)           (0.03)          (0.19)          (0.45)          (0.66)
                                                    ----------       ----------      ----------      ----------      ----------
Net asset value, end of year                        $    10.80       $    11.58      $    10.77      $    10.02      $    10.01
                                                    ==========       ==========      ==========      ==========      ==========
Total Return                                             (4.27%)           7.79%           9.48%           4.70%           6.53%
                                                    ==========       ==========      ==========      ==========      ==========
Ratios and Supplemental Data:
 Net assets, end of year (000's omitted)            $   10,394       $    7,848      $    4,009      $    1,487      $      365
                                                    ==========       ==========      ==========      ==========      ==========
 Ratio of expenses to average net assets                  1.08%            1.25%           1.25%           1.25%           1.25%
                                                    ==========       ==========      ==========      ==========      ==========
 Decrease reflected in above expense
  ratios due to expense reimbursements                      --             0.19%           0.42%           1.37%           4.81%
                                                    ==========       ==========      ==========      ==========      ==========
 Ratio of net investment income (loss)
  to average net assets                                   2.30%            2.05%           1.99%           4.22%           6.60%
                                                    ==========       ==========      ==========      ==========      ==========
 Portfolio Turnover Rate                                 78.80%           85.46%          15.27%             --          132.55%
                                                    ==========       ==========      ==========      ==========      ==========
</TABLE>


(i)  Prior to October 1, 1992,  the Alger  American  Balanced  Portfolio was the
     Alger American Fixed Income Portfolio.

(ii) Amount was computed based on average shares outstanding during the year.


                                                                              11
<PAGE>


Alger American MidCap Growth Portfolio

For a share outstanding throughout the period
<TABLE>
<CAPTION>
                                                                                                                       From
                                                                                                                   May 3, 1993
                                                                                                                  (commencement
                                                                                                                of operations) to
                                                                 Year Ended December 31,                           December 31,
====================================================================================================================================
                                             1999         1998          1997         1996       1995       1994         1993(i)
                                           --------    ---------      --------     --------   --------    -------      -------
<S>                                        <C>         <C>            <C>          <C>        <C>         <C>          <C>
Net asset value, beginning of period       $  28.87    $   24.18      $  21.35     $  19.44   $  13.46    $ 13.72      $ 10.00
                                           --------    ---------      --------     --------   --------    -------      -------
Net investment income (loss)                  (0.05)        0.00(ii)     (0.04)        0.03      (0.03)      0.00(ii)    (0.02)
Net realized and unrealized gain (loss)
 on investments                                8.00         6.95          3.20         2.29       6.01      (0.21)        3.88
                                           --------    ---------      --------     --------   --------    -------      -------
Total from investment operations               7.95         6.95          3.16         2.32       5.98      (0.21)        3.86
                                           --------    ---------      --------     --------   --------    -------      -------
Dividends from net investment income             --           --         (0.01)          --         --         --           --
Distributions from net realized gains         (4.59)       (2.26)        (0.32)       (0.41)        --      (0.05)       (0.14)
                                           --------    ---------      --------     --------   --------    -------      -------
Total distributions                           (4.59)       (2.26)        (0.33)       (0.41)        --      (0.05)       (0.14)
                                           --------    ---------      --------     --------   --------    -------      -------
Net asset value, end of period             $  32.23    $   28.87      $  24.18     $  21.35   $  19.44    $ 13.46      $ 13.72
                                           ========    =========      ========     ========   ========    =======      =======
Total Return                                  31.85%       30.30%        15.01%       11.90%     44.45%     (1.54%)      38.67%
                                           ========    =========      ========     ========   ========    =======      =======
Ratios and Supplemental Data:
 Net assets, end of period (000's omitted) $931,397    $ 689,571      $444,967     $394,847   $185,349    $62,178      $21,301
                                           ========    =========      ========     ========   ========    =======      =======
 Ratio of expenses to average net assets       0.85%        0.84%         0.84%        0.84%      0.90%      0.97%        1.50%(iii)
                                           ========    =========      ========     ========   ========    =======      =======
 Ratio of net investment income (loss)
  to average net assets                       (0.21%)       0.00%        (0.15%)       0.08%     (0.25%)     0.03%       (0.58%)
                                           ========    =========      ========     ========   ========    =======      =======
 Portfolio Turnover Rate                     162.30%      152.21%       151.98%       90.97%    104.74%     83.96%       67.22%
                                           ========    =========      ========     ========   ========    =======      =======
</TABLE>


(i)   Ratios  have  been  annualized;  total  return  has  not  been annualized.

(ii)  Amount was computed based on average shares outstanding during the period.

(iii) Amount has been reduced by 0.03% due to expense reimbursements.


12
<PAGE>


For Fund Information:

By telephone:   1-800-992-3863


By mail:        The Alger American Fund
                One World Trade Center
                Suite 9333
                New York, NY 10048

Statement of Additional Information

For more detailed  information about the Fund and its policies,  please read the
Statement of Additional Information, which is incorporated by reference into (is
legally  made a part  of)  this  Prospectus.  You  can  get a free  copy  of the
Statement of Additional Information by calling the Fund's toll-free number or by
writing to the address above. The Statement of Additional Information is on file
with the Securities and Exchange Commission.

Annual and Semi-annual Reports

Additional  information about the Fund's  investments is available in the Fund's
annual and semi-annual reports to shareholders.  In the Fund's annual report you
will find a discussion of the market  conditions and investment  strategies that
significantly  affected the Fund's  performance during the period covered by the
report. You can receive free copies of these reports,  and make inquiries of the
Fund, by calling the Fund's toll-free number or by writing to the address above.

Another  way you can review and copy Fund  documents  is by  visiting  the SEC's
Public  Reference Room in Washington,  D.C.  Copies can also be obtained,  for a
duplicating  fee by E-mail  request to  [email protected]  or by writing to the
SEC's Public Reference Section,  Washington,  DC 20549-0102.  Information on the
operation of the Public  Reference Room is available by calling  1-202-942-8090.
Fund  documents are also  available on the EDGAR  database on the SEC's internet
site at http://www.sec.gov.

Distributor: Fred Alger & Company, Incorporated

The Alger American Fund

SEC File #811-5550



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