VAN KAMPEN EQUITY TRUST
497, 2000-10-20
Previous: VAN KAMPEN EQUITY TRUST, 497, 2000-10-20
Next: VAN KAMPEN EQUITY TRUST, 497J, 2000-10-20



<PAGE>   1

                                   VAN KAMPEN
                            AGGRESSIVE  GROWTH  FUND

Van Kampen Aggressive Growth Fund's investment objective is to seek capital
growth. The Fund's investment adviser seeks to achieve the Fund's investment
objective by investing primarily in common stocks and other equity securities of
small- and medium-sized growth companies.
Shares of the Fund have not been approved or disapproved by the Securities and
Exchange Commission (SEC) or any state regulator, and neither the SEC nor any
state regulator has passed upon the accuracy or adequacy of this prospectus. Any
representation to the contrary is a criminal offense.

                  This prospectus is dated  SEPTEMBER 25, 2000

                                 CLASS D SHARES
                                   PROSPECTUS

                            [VAN KAMPEN FUNDS LOGO]
<PAGE>   2

                               TABLE OF CONTENTS

<TABLE>
<S>                                                 <C>
Risk/Return Summary................................   3
Fees and Expenses of the Fund......................   5
Investment Objective, Policies and Risks...........   6
Investment Advisory Services.......................  10
Purchase of Shares.................................  12
Redemption of Shares...............................  13
Distributions from the Fund........................  14
Shareholder Services...............................  15
Federal Income Taxation............................  16
</TABLE>

No dealer, salesperson or any other person has been authorized to give any
information or to make any representations, other than those contained in this
prospectus, in connection with the offer contained in this prospectus and, if
given or made, such other information or representations must not be relied upon
as having been authorized by the Fund, the Fund's investment adviser or the
Fund's distributor. This prospectus does not constitute an offer by the Fund or
by the Fund's distributor to sell or a solicitation of an offer to buy any of
the securities offered hereby in any jurisdiction to any person to whom it is
unlawful for the Fund to make such an offer in such jurisdiction.
<PAGE>   3

                              RISK/RETURN SUMMARY

                              INVESTMENT OBJECTIVE

The Fund's investment objective is to seek capital growth.

                             INVESTMENT STRATEGIES

Under normal market conditions, the Fund's investment adviser seeks to achieve
the Fund's investment objective by investing at least 65% of the Fund's total
assets in common stocks or other equity securities of companies that the Fund's
investment adviser believes have an above-average potential for capital growth.
The Fund's investment adviser focuses on those companies that it believes have
rising earnings expectations and rising valuations. The Fund generally sells
securities when earnings expectations or valuations flatten or decline. The Fund
focuses primarily on equity securities of small- and medium-sized companies,
although the Fund may invest in securities of larger-sized companies that the
Fund's investment adviser believes have an above-average potential for capital
growth. The Fund may invest up to 20% of its total assets in securities of
foreign issuers. The Fund may purchase and sell certain derivative instruments,
such as options, futures and options on futures, for various portfolio
management purposes.

                                INVESTMENT RISKS

An investment in the Fund is subject to risks, and you could lose money on your
investment in the Fund. There can be no assurance that the Fund will achieve its
investment objective.

MARKET RISK. Market risk is the possibility that the market values of securities
owned by the Fund will decline. Market risk may affect a single issuer,
industry, sector of the economy or the market as a whole. Investments in common
stocks and other equity securities generally are affected by changes in the
stock markets, which fluctuate substantially over time, sometimes suddenly and
sharply. Different types of stocks tend to shift in and out of favor depending
on market and economic conditions. Thus, the value of the Fund's investments
will vary and at times may be lower or higher than that of other types of
investments.

The Fund emphasizes a growth style of investing and focuses primarily on small-
and medium-sized companies. The market values of such securities may be more
volatile than other types of investments. The returns on such securities may or
may not move in tandem with the returns on other styles of investing or the
overall stock markets. During an overall stock market decline, stock prices of
small- and medium-sized companies (in which the Fund may invest) often fluctuate
more and may fall more than stock prices of larger-sized, more established
companies. It is possible that the stocks of small- and medium-sized companies
will be more volatile and underperform the overall stock market. Historically,
stocks of small- and medium-sized companies have sometimes gone through extended
periods when they did not perform as well as stocks of larger-sized companies.

The Fund may from time to time emphasize certain sectors of the market. To the
extent the Fund invests a significant portion of its assets in securities of
companies in the same sector of the market, it is more susceptible to economic,
political, regulatory and other occurrences influencing those sectors.

RISKS OF AGGRESSIVE GROWTH STOCKS. Companies that the Fund's investment adviser
believes have significant growth potential are often companies with new, limited
or cyclical product lines, markets or financial resources and the management of
such companies may be dependent upon one or a few key people. The stocks of such
companies can therefore be subject to more abrupt or erratic market movements
than stocks of larger, more established companies or the stock market in
general.

FOREIGN RISKS. Because the Fund may own securities of foreign issuers, it may be
subject to risks not usually associated with owning securities of U.S. issuers.
These risks can include fluctuations in foreign currencies, foreign currency
exchange controls, political and economic instability, differences in financial
reporting, differences in securities regulation and trading, and foreign
taxation issues.

RISKS OF USING DERIVATIVE INSTRUMENTS. In general terms, a derivative instrument
is one whose value depends on (or is derived from) the value of an underlying
asset, interest rate or index. Options,

                                        3
<PAGE>   4

futures and options on futures are examples of derivative instruments.
Derivative instruments involve risks different from the direct investment in
underlying securities. These risks include imperfect correlation between the
value of the instruments and the underlying assets; risks of default by the
other party to certain transactions; risks that the transactions may result in
losses that partially or completely offset gains in portfolio positions; and
risks that the transactions may not be liquid.

MANAGER RISK. As with any managed fund, the Fund's investment adviser may not be
successful in selecting the best-performing securities or investment techniques,
and the Fund's performance may lag behind that of similar funds.

                                INVESTOR PROFILE

In light of the Fund's investment objective and strategies, the Fund may be
appropriate for investors who:

- Seek capital growth over the long term

- Do not seek current income from their investment

- Are willing to take on the increased risks of investing in smaller- and
  medium-sized companies in exchange for potentially higher capital growth

- Can withstand substantial volatility in the value of their shares of the Fund

- Wish to add to their investment portfolio a fund that invests primarily in
  common stocks of smaller-and medium-sized growth companies

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

An investment in the Fund may not be appropriate for all investors. The Fund is
not intended to be a complete investment program, and investors should consider
their long-term investment goals and financial needs when making an investment
decision about the Fund. An investment in the Fund is intended to be a long-term
investment, and the Fund should not be used as a trading vehicle.

                               ANNUAL PERFORMANCE

One way to measure the risks of investing in the Fund is to look at how its
performance has varied from year-to-year. The following chart shows the annual
returns of the Fund* over the three calendar years prior to the date of this
prospectus. Remember that the past performance of the Fund is not indicative of
its future performance.

<TABLE>
<CAPTION>
                                                                             ANNUAL RETURN
                                                                             -------------
<S>                                                           <C>
1997                                                                             13.67
1998                                                                             35.40
1999**                                                                          130.59
</TABLE>

*  The Fund commenced offering Class D Shares on September 25, 2000. The returns
   shown in the Annual Performance chart above (and in the Comparative
   Performance chart below) are for the Class A Shares of the Fund (which are
   offered in a separate prospectus). The annual return variability of the
   Fund's Class D Shares would be substantially similar to that shown for the
   Class A Shares because all of the Fund's shares are invested in the same
   portfolio of securities; however, the actual annual returns of the Class D
   Shares would be higher than the annual returns shown for the Fund's Class A
   Shares because of differences in the expenses borne by each class of shares.
** The Fund's performance during the one year period shown is largely
   attributable to investments in the technology sector, which performed
   favorably for the period. Additionally, the Fund's returns for this period
   included investments in initial public offerings. This performance was
   achieved during a rising market, and there is no guarantee that this
   performance record or the circumstances leading to it can be replicated in
   the future. As the Fund expects to have a substantial portion of its assets
   invested in equity securities of small-and mid-sized companies, the Fund will
   be subject to more volatility and more erratic market movements.

The Fund's return for Class A Shares for the six-month period ended June 30,
2000 was 4.40%.

During the three-year period shown in the bar chart, the highest quarterly
return for Class A Shares was 56.80% (for the quarter ended December 31, 1999)
and the lowest quarterly return for Class A Shares was -19.16% (for the quarter
ended March 31, 1997).

                                        4
<PAGE>   5

                            COMPARATIVE PERFORMANCE

As a basis for evaluating the Fund's performance and risks, the table below
shows how the Fund's performance compares with two broad-based market indices
that the Fund's investment adviser believes are appropriate benchmarks for the
Fund: the Russell 2000 Stock Index* (a small capitalization company index that
measures performance of 2,000 small-cap stocks) and the Russell 2500 Growth
Index** (a small-capitalization index of companies in the Russell 2500 Index**
with higher price-to-book ratios and higher forecasted growth values). The
Fund's performance figures are for the Fund's Class A Shares and include the
maximum sales charges paid by investors on such Class A Shares***. The indices'
performance figures do not include any commissions or sales charges that would
be paid by investors purchasing the securities represented by those indices. An
investment cannot be made directly in the indices. Average annual total returns
are shown for the periods ended December 31, 1999 (the most recently completed
calendar year prior to the date of this prospectus). Remember that the past
performance of the Fund is not indicative of its future performance.

<TABLE>
<CAPTION>
            Average Annual
            Total Returns
               for the
            Periods Ended            Past       Since
          December 31, 1999         1 Year    Inception
-----------------------------------------------------------
<S> <C>                             <C>       <C>       <C>
    Van Kampen Aggressive
    Growth Fund--Class A Shares     117.35%     42.32%(1)
    Russell 2000 Stock Index         21.26%     13.27%(2)
    Russell 2500 Growth Index        55.48%     21.01%(2)
 ...........................................................
</TABLE>

Inception dates: (1) 5/29/96, (2) 5/26/96.

 *Based on the Fund's asset composition, the Fund's investment adviser believes
  the Russell 2500 Growth Stock Index provides a more accurate narrow-based
  benchmark for the Fund. The Russell 2000 Stock Index will not be shown in
  future reports.

 **The Russell 2000 Stock Index, the Russell 2500 Growth Index and the Russell
   2500 Index are subsets of the Russell 3000 Index, an index of the 3000
   largest U.S. companies based on total market capitalization, which represents
   approximately 98% of the investable U.S. equity market.

***The Fund commenced offering Class D Shares on September 25, 2000. The returns
   shown in the Comparative Performance chart above are for the Class A Shares
   of the Fund (which are offered in a separate prospectus). The annual return
   variability of the Fund's Class D Shares would be substantially similar to
   that shown for the Class A Shares because all of the Fund's shares are
   invested in the same portfolio of securities; however, the actual annual
   returns of the Class D Shares would be higher than the annual returns shown
   for the Class A Shares because of differences in the expenses borne by each
   class of shares.

                               FEES AND EXPENSES
                                  OF THE FUND

This table describes the fees and expenses that you may pay if you buy and hold
shares of the Fund.

<TABLE>
<CAPTION>
            SHAREHOLDER FEES               Class D
(fees paid directly from your investment)  Shares
------------------------------------------------------
<S>                                        <C>     <C>
Maximum sales charge (load) imposed on      None
purchases
 ......................................................
Maximum deferred sales charge (load)        None
 ......................................................
Maximum sales charge (load) imposed on
reinvested dividends
                                            None
 ......................................................
Redemption fee                              None
 ......................................................
Exchange fee                                None
 ......................................................
</TABLE>

<TABLE>
<CAPTION>
       ANNUAL FUND OPERATING EXPENSES          Class D
(expenses that are deducted from Fund assets)  Shares
----------------------------------------------------------
<S>                                            <C>     <C>
Management fees                                 0.70%
 ..........................................................
Other expenses                                  0.30%
 ..........................................................
Total annual fund operating expenses            1.00%
 ..........................................................
</TABLE>

Example:

The following example is intended to help you compare the cost of investing in
the Fund with the costs of investing in other mutual funds.

The example assumes that you invest $10,000 in the Fund for the time periods
indicated and then redeem all of your shares at the end of those periods. The
example also assumes that your investment has a 5% return each year and that the
Fund's operating expenses remain the same each year. Although your actual costs
may be higher or lower, based on these assumptions your costs would be:

<TABLE>
<CAPTION>
                           One       Three      Five        Ten
                           Year      Years      Years      Years
---------------------------------------------------------------------
<S>                        <C>       <C>        <C>        <C>    <C>
Class D Shares             $102       $318       $552      $1,225
 .....................................................................
</TABLE>

                                        5
<PAGE>   6

                             INVESTMENT OBJECTIVE,
                               POLICIES AND RISKS

The Fund's investment objective is to seek capital growth. Any income received
from the investment of portfolio securities is incidental to the Fund's
investment objective. The Fund's investment objective is a fundamental policy
and may not be changed without shareholder approval of a majority of the Fund's
outstanding voting securities, as defined in the Investment Company Act of 1940,
as amended (the "1940 Act"). There are risks inherent in all investments in
securities; accordingly there can be no assurance that the Fund will achieve its
investment objective.

Under normal market conditions, the Fund's investment adviser seeks to achieve
the Fund's investment objective by investing at least 65% of the Fund's total
assets in common stocks or other equity securities that the Fund's investment
adviser believes have an above-average potential for capital growth. In
selecting securities for investment, the Fund focuses primarily on equity
securities of small- and medium-sized companies, although the Fund may invest
its assets in securities of larger-sized companies that the investment adviser
believes have an above-average potential for capital growth. Under current
market conditions, the Fund's investment adviser generally defines small-and
medium-sized companies by reference to those companies within or below the
capitalization range of companies represented in the Standard & Poor's MidCap
400 Index (which consists of companies in the capitalization range of
approximately $88 million to $13.7 billion as of June 30, 2000). Investments in
such companies may offer greater opportunities for capital growth than larger,
more established companies, but also may involve special risks. The Fund may
invest in securities that have above-average volatility of price movement.
Because prices of common stocks and other equity securities fluctuate, the value
of an investment in the Fund will vary based upon the Fund's investment
performance.

The Fund's primary approach is to seek what the Fund's investment adviser
believes to be attractive growth opportunities on an individual company basis.
The Fund's investment adviser uses a "bottom-up" disciplined style of investing
that emphasizes the analysis of individual stocks rather than economic and
market cycles. The Fund focuses on those companies that exhibit rising earnings
expectations and rising valuations. In selecting securities for investment, the
Fund generally seeks companies that appear to be positioned to produce an
attractive level of future earnings through the development of new products,
services or markets or as a result of changing markets or industry conditions.
The Fund's investment adviser expects that many of the companies in which the
Fund invests will, at the time of investment, be experiencing high rates of
earnings growth. The securities of such companies may trade at higher prices to
earnings ratios relative to more established companies and rates of earnings
growth may be higher than the market average. Stock prices of these companies
may tend to be more volatile.

The companies and industries in which the Fund invests will change over time
depending on the assessment of the Fund's investment adviser of growth
opportunities. Although the Fund will limit its investments to 25% of its total
assets in any single industry, a significant portion of the Fund's assets may be
invested in securities of companies in the same sector of the market. This may
occur, for example, when the Fund's investment adviser believes that several
companies in the same sector each offer unusually attractive growth
opportunities. To the extent that the Fund invests a significant portion of its
assets in a limited number of market sectors, the Fund will be more susceptible
to economic, political, regulatory and other factors influencing such sectors.

The Fund does not limit its investments to any single group or type of security.
The Fund may invest in unseasoned issuers and in securities involving special
circumstances, such as initial public offerings, companies with new management
or management reliant upon one or a few key people, special products and
techniques, limited or cyclical product lines, markets or resources, or unusual
developments, such as mergers, liquidations, bankruptcies or leveraged buyouts.
Investments in unseasoned companies and special circumstances often involve much
greater risks than are inherent in other types of investments because securities
of such companies may be more likely to experience unexpected fluctuations in
price. In addition, investments made in anticipation of future events may, if
delayed or never achieved, cause stock prices to fall.

                                        6
<PAGE>   7

Although the Fund may invest in companies of any size, the Fund focuses
primarily on small- and medium-sized companies. The securities of small- or
medium-sized companies may be subject to more abrupt or erratic market movements
and may have lower trading volumes or more erratic trading than securities of
larger-sized companies or the market averages in general. In addition, such
companies typically are subject to a greater degree of change in earnings and
business prospects than are larger-sized, more established companies. Thus, the
Fund may be subject to greater investment risk than that assumed through
investment in the securities of larger-sized, more established companies. In
periods of increased market volatility, the Fund may invest a greater portion of
its assets in the equity securities of larger-sized companies.

The Fund may dispose of a security whenever, in the opinion of the Fund's
investment adviser, factors indicate it is desirable to do so. The Fund
generally sells securities when earnings expectations or valuations flatten or
decline. Other factors may include changes in the company's operations or
relative market performance, changes in the appreciation possibilities offered
by individual securities, a change in the market trend or other factors
affecting an individual security, a change in economic or market factors in
general or with respect to a particular industry, and other circumstances
bearing on the desirability of a given investment. In addition, if an individual
stock position appreciates to a point where it begins to account for a larger
percentage of the Fund's assets, the Fund's investment adviser may sell a
portion of the position held.

The Fund invests primarily in common stocks. Common stocks are shares of a
corporation or other entity that entitle the holder to a pro rata share of the
profits of the corporation, if any, without preference over any other class of
securities, including such entity's debt securities, preferred stock and other
senior equity securities. Common stock usually carries with it the right to vote
and frequently an exclusive right to do so.

While the Fund invests primarily in common stocks, the Fund may invest in other
equity securities including preferred stocks and securities convertible into
common stocks. Preferred stock generally has a preference as to dividends and
liquidation over an issuer's common stock but ranks junior to debt securities in
an issuer's capital structure. Unlike interest payments on debt securities,
preferred stock dividends are payable only if declared by the issuer's board of
directors. Preferred stock also may be subject to optional or mandatory
redemption provisions.

A convertible security is a bond, debenture, note, preferred stock, warrant or
other security that may be converted into or exchanged for a prescribed amount
of common stock or other equity security of the same or a different issuer or
into cash within a particular period of time at a specified price or formula. A
convertible security generally entitles the holder to receive interest paid or
accrued on debt securities or the dividend paid on preferred stock until the
convertible security matures or is redeemed, converted or exchanged. Before
conversion, convertible securities generally have characteristics similar to
both debt and equity securities. The value of convertible securities tends to
decline as interest rates rise and, because of the conversion feature, tends to
vary with fluctuations in the market value of the underlying equity securities.
Convertible securities ordinarily provide a stream of income with generally
higher yields than those of common stock of the same or similar issuers.
Convertible securities generally rank senior to common stock in a corporation's
capital structure but are usually subordinated to comparable nonconvertible
securities. Convertible securities generally do not participate directly in any
dividend increases or decreases of the underlying equity securities although the
market prices of convertible securities may be affected by any such dividend
changes or other changes in the underlying equity securities.

Generally, warrants are securities that may be exchanged for a prescribed amount
of common stock or other equity security of the issuer within a particular
period of time at a specified price or in accordance with a specified formula.
Warrants do not carry with them the right to dividends and they do not represent
any rights in the assets of the issuer. As a result, any such investments may be
considered to be more speculative than most other types of equity investments.

The Fund also may invest in debt securities of various maturities considered
"investment grade" at the time of investment. A subsequent reduction in rating
does not require the Fund to dispose of a security. Investment grade securities
are securities rated BBB

                                        7
<PAGE>   8

or higher by Standard & Poor's ("S&P") or rated Baa or higher by Moody's
Investors Service, Inc. ("Moody's") or comparably rated by any other nationally
recognized statistical rating organization or, if unrated, are considered by the
Fund's investment adviser to be of comparable quality. Securities rated BBB by
S&P or Baa by Moody's are in the lowest of the four investment grade categories
and are considered by the rating agencies to be medium-grade obligations which
possess speculative characteristics so that changes in economic conditions or
other circumstances are more likely to lead to a weakened capacity to make
principal and interest payments than in the case of higher-rated securities. The
market prices of debt securities generally fluctuate inversely with changes in
interest rates so that the value of investments in such securities can be
expected to decrease as interest rates rise and increase as interest rates fall.

                             RISKS OF INVESTING IN

                         SECURITIES OF FOREIGN ISSUERS

The Fund may invest up to 20% of its total assets in securities of foreign
issuers. Securities of foreign issuers may be denominated in U.S. dollars or in
currencies other than U.S. dollars. Investments in foreign securities present
certain risks not ordinarily associated with investments in securities of U.S.
issuers. These risks include fluctuations in foreign currency exchange rates,
political, economic or legal developments (including war or other instability,
expropriation of assets, nationalization and confiscatory taxation), the
imposition of foreign exchange limitations (including currency blockage),
withholding taxes on income or capital transactions or other restrictions,
higher transaction costs (including higher brokerage, custodial and settlement
costs and currency conversion costs) and possible difficulty in enforcing
contractual obligations or taking judicial action. Foreign securities may not be
as liquid and may be more volatile than comparable domestic securities.

In addition, there often is less publicly available information about many
foreign issuers, and issuers of foreign securities are subject to different,
often less comprehensive auditing, accounting and financial reporting disclosure
requirements than domestic issuers. There is generally less government
regulation of stock exchanges, brokers and listed companies abroad than in the
United States, and, with respect to certain foreign countries, there is a
possibility of expropriation or confiscatory taxation, or diplomatic
developments which could affect investment in those countries. Because there is
usually less supervision and governmental regulation of foreign exchanges,
brokers and dealers than there is in the United States, the Fund may experience
settlement difficulties or delays not usually encountered in the United States.

Delays in making trades in foreign securities relating to volume constraints,
limitations or restrictions, clearance or settlement procedures, or otherwise
could impact returns and result in temporary periods when assets of the Fund are
not fully invested or attractive investment opportunities are foregone.

The Fund may invest in securities of issuers in developing or emerging market
countries. Investments in securities of issuers in developing or emerging market
countries are subject to greater risks than investments in securities of
developed countries since emerging market countries tend to have economic
structures that are less diverse and mature and political systems that are less
stable than developed countries.

In addition to the increased risks of investing in foreign securities, there are
often increased transaction costs associated with investing in foreign
securities including the costs incurred in connection with converting
currencies, higher foreign brokerage or dealer costs, and higher settlement
costs or custodial costs.

Many European countries have adopted or are in the process of adopting a single
European currency, commonly referred to as the "euro." The long-term
consequences of the euro conversion on foreign exchange rates, interest rates
and the value of European securities, all of which may adversely affect the
Fund, are still uncertain.

                             STRATEGIC TRANSACTIONS

The Fund may, but is not required to, use various investment strategic
transactions described below to facilitate portfolio management and mitigate
risks. Although the Fund's investment adviser seeks to use the practices to
further the Fund's investment objective, no assurance can be given that these
practices will achieve this result.

                                        8
<PAGE>   9

The Fund may purchase and sell derivative instruments such as exchange-listed
and over-the-counter put and call options on securities, financial futures,
equity and fixed-income indices and other financial instruments, purchase and
sell financial futures contracts and options thereon, and enter into various
currency transactions such as currency forward contracts, currency futures
contracts, currency swaps, or options on currencies or currency futures.
Collectively, all of the above are referred to as "Strategic Transactions." The
Fund generally seeks to use Strategic Transactions as a portfolio management or
hedging technique to seek to protect against possible adverse changes in the
market value of securities held in or to be purchased for the Fund's portfolio,
protect the Fund's unrealized gains, facilitate the sale of certain securities
for investment purposes, protect against changes in currency exchange rates, or
establish positions in the derivatives markets as a temporary substitute for
purchasing or selling particular securities.

Strategic Transactions have risks including the imperfect correlation between
the value of such instruments and the underlying assets, the possible default of
the other party to the transaction or illiquidity of the derivative instrument.
Furthermore, the ability to successfully use Strategic Transactions depends on
the ability of the Fund's investment adviser to predict pertinent market
movements, which cannot be assured. Thus, the use of Strategic Transactions may
result in losses greater than if they had not been used, may require the Fund to
sell or purchase portfolio securities at inopportune times or for prices other
than current market values, may limit the amount of appreciation the Fund can
otherwise realize on an investment, or may cause the Fund to hold a security
that it might otherwise sell. The use of currency transactions can result in the
Fund incurring losses because of the imposition of exchange controls, suspension
of settlements or the inability of the Fund to deliver or receive a specified
currency. Additionally, amounts paid as premiums and cash or other assets held
in margin accounts with respect to Strategic Transactions are not otherwise
available to the Fund for investment purposes.

A more complete discussion of Strategic Transactions and their risks is
contained in the Fund's Statement of Additional Information. The Statement of
Additional Information can be obtained by investors free of charge as described
on the back cover of this prospectus.

                       OTHER INVESTMENTS AND RISK FACTORS

For cash management purposes, the Fund may engage in repurchase agreements with
broker-dealers, banks and other financial institutions to earn a return on
temporarily available cash. Such transactions are subject to the risk of default
by the other party.

The Fund may purchase and sell securities on a "when-issued" and "delayed
delivery" basis. The Fund accrues no income on such securities until the Fund
actually takes delivery of such securities. These transactions are subject to
market fluctuation; the value of the securities at delivery may be more or less
than their purchase price. The value or yield generally available on comparable
securities when delivery occurs may be higher than the value or yield on the
securities obtained pursuant to such transactions. Because the Fund relies on
the buyer or seller to consummate the transaction, failure by the other party to
complete the transaction may result in the Fund missing the opportunity of
obtaining a price or yield considered to be advantageous. The Fund will engage
in when-issued and delayed delivery transactions for the purpose of acquiring
securities consistent with the Fund's investment objective and policies and not
for the purpose of investment leverage.

The Fund may lend its portfolio securities in an amount up to 50% of its total
assets to broker-dealers, banks or other institutional borrowers of securities.
Such loans must be callable at any time and the borrower at all times during the
loan must maintain cash or liquid securities as collateral or provide the Fund
an irrevocable letter of credit equal to at least 100% of the value of the
securities loaned (including accrued interest). During the time portfolio
securities are on loan, the Fund receives any dividends or interest paid on such
securities and receives the interest earned on the collateral which is invested
in short-term instruments or receives an agreed-upon amount of interest income
from the borrower who has delivered the collateral or letter of credit. As with
any extensions of credit, there are risks of delay in recovery and in some cases
even loss of rights in the collateral should the borrower of the securities fail
financially.

The Fund may invest up to 15% of the Fund's net assets in illiquid securities
and certain restricted securities. Such securities may be difficult or
impossible to sell at the time and the price that the Fund would like. Thus, the
Fund may have to

                                        9
<PAGE>   10

sell such securities at a lower price, sell other securities instead to obtain
cash or forego other investment opportunities.

Further information about these types of investments and other investment
practices that may be used by the Fund is contained in the Fund's Statement of
Additional Information.

The Fund may sell securities without regard to the length of time they have been
held in order to take advantage of new investment opportunities, or when the
Fund's investment adviser believes the potential for capital growth has
lessened, or for other reasons. The portfolio turnover rate may vary from year
to year. A high portfolio turnover rate (100% or more) increases a fund's
transaction costs (including brokerage commissions or dealer costs) and higher
portfolio turnover may result in the realization of more short-term capital
gains than if a fund had lower portfolio turnover. Increases in a fund's
transaction costs would adversely impact that fund's performance. The turnover
rate will not be a limiting factor, however, if the Fund's investment adviser
considers portfolio changes appropriate.

TEMPORARY DEFENSIVE STRATEGY. When market conditions dictate a more "defensive"
investment strategy, the Fund may, on a temporary basis, hold cash or invest a
portion or all of its assets in securities issued or guaranteed by the U.S.
government, its agencies or instrumentalities, prime commercial paper,
certificates of deposit, bankers' acceptances and other obligations of domestic
banks and in investment grade corporate debt securities. Under normal market
conditions, the potential for capital growth on these securities will tend to be
lower than the potential for capital growth on other securities that may be
owned by the Fund. In taking such a defensive position, the Fund would not be
pursuing and may not achieve its investment objective.

                          INVESTMENT ADVISORY SERVICES

THE ADVISER. Van Kampen Investment Advisory Corp. is the Fund's investment
adviser (the "Adviser" or "Advisory Corp."). The Adviser is a wholly owned
subsidiary of Van Kampen Investments Inc. ("Van Kampen Investments"). Van Kampen
Investments is a diversified asset management company with more than three
million retail investor accounts, extensive capabilities for managing
institutional portfolios, and more than $100 billion under management or
supervision as of June 30, 2000. Van Kampen Investments' more than 50 open-end
and 39 closed-end funds and more than 2,700 unit investment trusts are
professionally distributed by leading authorized dealers nationwide. Van Kampen
Funds Inc., the distributor of the Fund (the "Distributor") and the sponsor of
the funds mentioned above, is also a wholly owned subsidiary of Van Kampen
Investments. Van Kampen Investments is an indirect wholly owned subsidiary of
Morgan Stanley Dean Witter & Co. The Adviser's principal office is located at 1
Parkview Plaza, Oakbrook Terrace, Illinois 60181-5555.

ADVISORY AGREEMENT. The Fund retains the Adviser to manage the investment of its
assets and to place orders for the purchase and sale of its portfolio
securities. Under an investment advisory agreement between the Adviser and the
Fund (the "Advisory Agreement"), the Fund pays the Adviser a monthly fee
computed based upon an annual rate applied to the average daily net assets of
the Fund as follows:

<TABLE>
<CAPTION>
    Average Daily Net Assets   % Per Annum
-----------------------------------------------
<S> <C>                       <C>           <C>
    First $500 million                0.75%
 ...............................................
    Next $500 million                 0.70%
 ...............................................
    Over $1 billion                   0.65%
 ...............................................
</TABLE>

Applying this fee schedule, the effective advisory fee rate was 0.70% of the
Fund's average daily net assets for the Fund's fiscal year ended March 31, 2000.
The Fund's average daily net assets are determined by taking the average of all
of the determinations of the net assets during a given calendar month. Such fee
is payable for each calendar month as soon as practicable after the end of that
month.

                                       10
<PAGE>   11

Under the Advisory Agreement, the Adviser furnishes offices, necessary
facilities and equipment, and provides administrative services to the Fund. The
Fund pays all charges and expenses of its day-to-day operations, including
service fees, distribution fees, custodian fees, legal and independent
accountant fees, the costs of reports and proxies to shareholders, compensation
of trustees of the Trust (other than those who are affiliated persons of the
Adviser, Distributor or Van Kampen Investments) and all other ordinary business
expenses not specifically assumed by the Adviser.

From time to time, the Adviser or the Distributor may voluntarily undertake to
reduce the Fund's expenses by reducing the fees payable to them or by reducing
other expenses of the Fund in accordance with such limitations as the Adviser or
Distributor may establish.

The Adviser may utilize, at its own expense, credit analysis, research and
trading support services provided by its affiliate, Van Kampen Asset Management
Inc. ("Asset Management").

PERSONAL INVESTMENT POLICIES. The Fund, the Adviser and the Distributor have
adopted Codes of Ethics designed to recognize the fiduciary relationships among
the Fund, the Adviser, the Distributor and their respective employees. The Codes
of Ethics permit directors, trustees, officers and employees to buy and sell
securities for their personal accounts subject to certain restrictions. Persons
with access to certain sensitive information are subject to pre-clearance and
other procedures designed to prevent conflicts of interest.

PORTFOLIO MANAGEMENT. The Fund is managed by a team of portfolio managers.
Senior Portfolio Managers Gary M. Lewis and Dudley Brickhouse are the co-lead
managers of the Fund. Mr. Lewis has overall responsibility for the team of
portfolio managers which also manages the Van Kampen Emerging Growth, Van Kampen
Select Growth and Van Kampen Technology Funds in addition to the Fund. Mr. Lewis
has been a Senior Vice President of the Adviser and Asset Management since
September 1995. Mr. Lewis became a Vice President and Portfolio Manager of Asset
Management in June 1991. Mr. Lewis has been employed by Asset Management since
September 1986. He has been affiliated with the Fund since its inception.

Mr. Brickhouse has been a Senior Portfolio Manager since April 2000, and a
Portfolio Manager and Vice President of the Adviser and Asset Management since
December 1998. Mr. Brickhouse became an Associate Portfolio Manager of the
Adviser and Asset Management in September 1997. Prior to September 1997, Mr.
Brickhouse was a Vice President and Portfolio Manager with NationsBank, where he
had worked since 1985. He has been affiliated with the Fund since September
1997.

Senior Portfolio Managers Janet Luby and David Walker and Portfolio Manager
Matthew Hart are responsible as co-managers for the day-to-day management of the
Fund's investment portfolio.

Mr. Hart has been a Portfolio Manager since January 1998, and a Vice President
of the Adviser and Asset Management since December 1998. Mr. Hart became an
Associate Portfolio Manager of the Adviser and Asset Management in August 1997.
Prior to August 1997, Mr. Hart held various positions within the portfolio area
of AIM Capital Management, Inc., where he had worked since June 1992. Mr. Hart's
last position in the AIM portfolio area was as a convertible bonds analyst. He
has been affiliated with the Fund since February 2000.

Ms. Luby has been a Senior Portfolio Manager since April 2000, and a Portfolio
Manager and Vice President of the Adviser and Asset Management since December
1998. Ms. Luby became an Assistant Vice President of the Adviser and Asset
Management in December 1997 and an Associate Portfolio Manager of Asset
Management in July 1995. Prior to July 1995, Ms. Luby spent eight years at AIM
Capital Management, Inc. where she worked five years in the accounting
department and three years in the investment area. Her last position in the AIM
investment area was as a senior securities analyst. Ms. Luby also has been the
portfolio manager for various unit investment trusts managed by the Adviser or
its affiliates since August 1999. She has been affiliated with the Fund since
its inception.

Mr. Walker has been a Senior Portfolio Manager since April 2000, and a Portfolio
Manager and Vice President of the Adviser and Asset Management since December
1998. Mr. Walker became an Assistant

                                       11
<PAGE>   12

Vice President of the Adviser and Asset Management in June 1995. Prior to April
1996, Mr. Walker was a Quantitative Analyst of Asset Management and has worked
for Asset Management since October 1990. Mr. Walker also has been the portfolio
manager for various unit investment trusts managed by the Adviser or its
affiliates since September 1997. He has been affiliated with the Fund since its
inception.

                               PURCHASE OF SHARES

                                    GENERAL

This prospectus offers Class D Shares of the Fund. Class D Shares are offered
without any sales charges on purchases or sales and without any distribution fee
(12b-1). Class D shares are available for purchase exclusively by: investors of
tax-exempt retirement plans (Profit Sharing, 401(k), Money Purchase Pension and
Defined Benefit Plans) of Morgan Stanley Dean Witter & Co. ("Morgan Stanley Dean
Witter") or any of its subsidiaries for the benefit of certain employees of
Morgan Stanley Dean Witter and its subsidiaries.

Other classes of shares of the Fund may be offered through one or more separate
prospectuses of the Fund. Each class of shares of the Fund represents an
interest in the same portfolio of investments of the Fund and generally has the
same rights, except for the differing sales loads, distribution fees, services
fees and any related expenses associated with each class of shares, the
exclusive voting rights by each class with respect to any distribution plan or
service plan for such class or shares, and some classes may have different
conversion rights or shareholder servicing options.

The offering price of the Fund's Class D Shares is the Fund's net asset value
per share. The net asset value per share is determined once daily as of the
close of trading on the New York Stock Exchange (the "Exchange") (currently 4:00
p.m., New York time) each day the Exchange is open for trading except on any day
on which no purchase or redemption orders are received or there is not a
sufficient degree of trading in the Fund's portfolio securities such that the
Fund's net asset value per share might be materially affected. The Fund's Board
of Trustees reserves the right to calculate the net asset value per share and
adjust the offering price more frequently than once daily if deemed desirable.
Net asset value per share for each class is determined by dividing the value of
the Fund's portfolio securities, cash and other assets (including accrued
interest) attributable to such class, less all liabilities (including accrued
expenses) attributable to such class, by the total number of shares of the class
outstanding. Such computation is made by using prices as of the close of trading
on the Exchange and (i) valuing securities listed or traded on a national
securities exchange at the last reported sale price, and if there has been no
sale that day, at the mean between the last reported bid and asked prices, (ii)
valuing over-the-counter securities at the last reported sale price from the
National Association of Securities Dealer's Automated Quotations ("NASDAQ") and,
if there has been no sale that day, at the mean between the last reported bid
and asked prices and (iii) valuing securities for which market quotations are
not readily available and any other assets at fair value as determined in good
faith by the Adviser in accordance with procedures established by the Fund's
Board of Trustees. Short-term securities with remaining maturities of 60 days or
less are valued on an amortized cost basis, which approximates market value.

The shares are offered to investors on a continuous basis through the
Distributor as principal underwriter, which is located at 1 Parkview Plaza,
Oakbrook Terrace, Illinois 60181-5555. Shares also are offered through members
of the NASD who are acting as securities dealers ("dealers") and NASD members or
eligible non-NASD members who are acting as brokers or agents for investors
("brokers"). "Dealers" and "brokers" are sometimes referred to herein as
"authorized dealers."

Shares may be purchased on any business day by completing the account
application form and forwarding the account application, directly or through an
authorized dealer, to the Fund's shareholder service agent, Van Kampen Investor
Services Inc. ("Investor Services"), a wholly owned subsidiary of Van Kampen
Investments. When purchasing shares of the Fund through this prospectus,
investors must specify that the purchase is for Class D Shares.

The offering price for Class D Shares is the next calculation of net asset value
per share after an order is received by Investor Services. Orders received by

                                       12
<PAGE>   13

authorized dealers prior to the close of the Exchange are priced based on the
date of receipt, provided such order is transmitted to Investor Services prior
to Investor Services' close of business on such date. Orders received by
authorized dealers after the close of the Exchange or transmitted to Investor
Services after its close of business are priced based on the date of the next
determined net asset value per share provided they are received by Investor
Services prior to Investor Services' close of business on such date. It is the
responsibility of authorized dealers to transmit orders received by them to
Investor Services so they will be received in a timely manner.

The Fund and the Distributor reserve the right to refuse any order for the
purchase of shares. The Fund also reserves the right to suspend the sale of the
Fund's shares in response to conditions in the securities markets or for other
reasons. Shares of the Fund may be sold in foreign countries where permissible.

Investor accounts will automatically be credited with additional shares of the
Fund after any Fund distributions, such as dividends and capital gain dividends,
unless the investor instructs the Fund otherwise. Investors wishing to receive
cash instead of additional shares should contact the Fund by telephone at (800)
341-2911 or by writing to the Fund, c/o Van Kampen Investor Services Inc., PO
Box 218256, Kansas City, MO 64121-8256.

                                 REDEMPTION OF
                                     SHARES

Generally, shareholders of Class D Shares of the Fund may redeem for cash some
or all of their shares without charge by the Fund at any time. The redemption
price will be the net asset value per share next determined after the receipt of
a request in proper form (see below). Redemptions completed through an
authorized dealer or a custodian/trustee of a retirement plan account may
involve additional fees charged by the dealer or custodian/trustee.

Except as specified below under "Telephone Redemption Requests," payment for
shares redeemed generally will be made by check mailed within seven days after
receipt by Investor Services of the redemption request and any other necessary
documents in proper form as described below. Such payment may be postponed or
the right of redemption suspended as provided by the rules of the SEC. Such
payment may, under certain circumstances, be paid wholly or in part by a
distribution-in-kind of portfolio securities. A distribution-in-kind will result
in recognition by the shareholder of a gain or loss for federal income tax
purposes when such securities are distributed, and the shareholder may have
brokerage costs and a gain or loss for federal income tax purposes upon the
shareholder's disposition of such securities. If the shares to be redeemed have
been recently purchased by check, Investor Services may delay the payment of
redemption proceeds until it confirms the purchase check has cleared, which may
take up to 15 days from the date of purchase. A taxable gain or loss may be
recognized by the shareholder upon redemption of shares. Certificated shares
must be properly endorsed for transfer and must accompany a written redemption
request.

WRITTEN REDEMPTION REQUESTS. Shareholders may request a redemption of shares by
written request in proper form sent directly to Van Kampen Investor Services
Inc., PO Box 218256, Kansas City, MO 64121-8256. The request for redemption
should indicate the number of shares or dollar amount to be redeemed, the Fund
name and class designation of such shares and the shareholder's account number.
The redemption request must be signed by all persons in whose names the shares
are registered. Signatures must conform exactly to the account registration. If
the proceeds of the redemption exceed $50,000, or if the proceeds are not to be
paid to the record owner at the record address, or if the record address has
changed within the previous 30 days, signature(s) must be guaranteed by one of
the following: a bank or trust company; a broker-dealer; a credit union; a
national securities exchange, registered securities association or clearing
agency; a savings and loan association; or a federal savings bank.

Generally, a properly signed written request with any required signature
guarantee is all that is required for a redemption request to be in proper form.
In some cases, however, additional documents may be necessary. Certificated
shares may be redeemed only by written request. The certificates for the shares
being redeemed must be properly endorsed for transfer and must accompany the
redemption request.

                                       13
<PAGE>   14

In the case of written redemption requests sent directly to Investor Services,
the redemption price is the net asset value per share next determined after the
request in proper form is received by Investor Services.

AUTHORIZED DEALER REDEMPTION REQUESTS. Shareholders may place redemption
requests through an authorized dealer. The redemption price for such shares is
the net asset value per share next calculated after an order in proper form is
received by an authorized dealer provided such order is transmitted to the
Distributor prior to the Distributor's close of business on such day. It is the
responsibility of authorized dealers to transmit redemption requests received by
them to the Distributor so they will be received prior to such time. Redemptions
completed through an authorized dealer may involve additional fees charged by
the dealer.

TELEPHONE REDEMPTION REQUESTS. The Fund permits redemption of shares by
telephone and for redemption proceeds to be sent to the address of record for
the account or to the bank account of record as described below. A shareholder
automatically has telephone redemption privileges unless the shareholder
indicates otherwise by checking the applicable box on the account application
form. For accounts that are not established with telephone redemption
privileges, a shareholder may call the Fund at (800) 341-2911 to request that a
copy of the Telephone Redemption Authorization form be sent to the shareholder
for completion. To redeem shares, contact the telephone transaction line at
(800) 421-5684. Van Kampen Investments and its subsidiaries, including Investor
Services, and the Fund employ procedures considered by them to be reasonable to
confirm that instructions communicated by telephone are genuine. Such procedures
include requiring certain personal identification information prior to acting
upon telephone instructions, tape-recording telephone communications and
providing written confirmation of instructions communicated by telephone. If
reasonable procedures are employed, none of Van Kampen Investments, Investor
Services or the Fund will be liable for following telephone instructions which
it reasonably believes to be genuine. Telephone redemptions may not be available
if the shareholder cannot reach Investor Services by telephone, whether because
all telephone lines are busy or for any other reason; in such case, a
shareholder would have to use the Fund's other redemption procedure previously
described. Requests received by Investor Services prior to 4:00 p.m., New York
time, will be processed at the next determined net asset value per share. These
privileges are available for most accounts other than retirement accounts or
accounts with shares represented by certificates. If an account has multiple
owners, Investor Services may rely on the instructions of any one owner.

For redemptions authorized by telephone, amounts of $50,000 or less may be
redeemed daily if the proceeds are to be paid by check and amounts of at least
$1,000 up to $1 million may be redeemed daily if the proceeds are to be paid by
wire. The proceeds must be payable to the shareholder(s) of record and sent to
the address of record for the account or wired directly to their predesignated
bank account. This privilege is not available if the address of record has been
changed within 30 days prior to a telephone redemption request. Proceeds from
redemptions payable by wire transfer are expected to be wired on the next
business day following the date of redemption. The Fund reserves the right at
any time to terminate, limit or otherwise modify this redemption privilege.

OTHER REDEMPTION INFORMATION. The Fund may redeem any shareholder account that
has a value on the date of the notice of redemption less than the minimum
initial investment as specified in this prospectus. At least 60 days' advance
written notice of any such involuntary redemption will be provided to the
shareholder and such shareholder will be given an opportunity to purchase the
required value of additional shares at the next determined net asset value
without sales charge. Any involuntary redemption may only occur if the
shareholder account is less than the minimum initial investment due to
shareholder redemptions.

                          DISTRIBUTIONS FROM THE FUND

In addition to any increase in the value of shares which the Fund may achieve,
shareholders may receive distributions from the Fund of dividends and capital
gain dividends.

                                       14
<PAGE>   15

DIVIDENDS. Dividends from stocks and interest earned from other investments are
the Fund's main sources of net investment income. The Fund's present policy,
which may be changed at any time by the Fund's Board of Trustees, is to
distribute all or substantially all of its net investment income at least
annually as dividends to shareholders. Dividends are automatically applied to
purchase additional shares of the Fund at the next determined net asset value
unless the shareholder instructs otherwise.

CAPITAL GAIN DIVIDENDS. The Fund may realize capital gains or losses when it
sells securities, depending on whether the sales prices for the securities are
higher or lower than purchase prices. The Fund distributes any capital gains to
shareholders at least annually. As in the case of dividends, capital gain
dividends are automatically reinvested in additional shares of the Fund at the
next determined net asset value unless the shareholder instructs otherwise.

                              SHAREHOLDER SERVICES

Listed below are some of the shareholder services the Fund offers to investors.
For a more complete description of the Fund's shareholder services, such as
investment accounts, share certificates, retirement plans, automated clearing
house deposits, dividend diversification and the systematic withdrawal plan,
please refer to the Fund's Statement of Additional Information or contact your
authorized dealer.

REINVESTMENT PLAN. A convenient way for investors to accumulate additional
shares is by accepting dividends and capital gain dividends in shares of the
Fund. Such shares are acquired at net asset value per share on the applicable
payable date of the dividend or capital gain dividend. Unless the shareholder
instructs otherwise, the reinvestment plan is automatic. This instruction may be
made by telephone by calling (800) 341-2911 ((800) 421-2833 for the hearing
impaired) or by writing to Investor Services. The investor may, on the account
application form or prior to any declaration, instruct that dividends and/or
capital gain dividends be paid in cash, be reinvested in the Fund at the next
determined net asset value, or be invested in another participating Van Kampen
fund at the next determined net asset value.

AUTOMATIC INVESTMENT PLAN. An automatic investment plan is available under which
a shareholder can authorize Investor Services to debit the shareholder's bank
account on a regular basis to invest predetermined amounts in the Fund.
Additional information is available from the Distributor or your authorized
dealer.

EXCHANGE PRIVILEGE. Shares of the Fund may be exchanged for shares of the same
class of any participating Van Kampen fund based on the next determined net
asset value per share of each fund after requesting the exchange without any
sales charge, subject to certain limitations. Shares of the Fund may be
exchanged for shares of any participating Van Kampen fund only if shares of that
participating Van Kampen fund are available for sale; however, during periods of
suspension of sales, shares of a participating Van Kampen fund may be available
for sale only to existing shareholders of a participating Van Kampen fund.
Shareholders seeking an exchange into a participating Van Kampen fund should
obtain and read the current prospectus for such fund prior to implementing an
exchange. A prospectus of any of the participating Van Kampen funds may be
obtained from an authorized dealer or the Distributor.

To be eligible for exchange, shares of the Fund must have been registered in the
shareholder's name for at least 30 days prior to an exchange. Shares of the Fund
registered in a shareholder's name for less than 30 days may only be exchanged
upon receipt of prior approval of the Adviser. It is the policy of the Adviser,
under normal circumstances, not to approve such requests.

Exchanges of shares are sales of shares of one participating Van Kampen fund and
purchases of shares of another participating Van Kampen fund. The sale may
result in a gain or loss for federal income tax purposes.

If the exchanging shareholder does not have an account in the fund whose shares
are being acquired, a new account will be established with the same
registration, dividend and capital gain dividend options (except dividend
diversification) and authorized dealer of record as the account from which
shares are exchanged, unless otherwise specified by the shareholder. In order to
establish a systematic withdrawal plan for the new account or reinvest dividends
from the new account into another fund,

                                       15
<PAGE>   16

however, an exchanging shareholder must submit a specific request. The Fund
reserves the right to reject any order to acquire its shares through exchange.
In addition, the Fund and other participating Van Kampen funds may restrict
exchanges by shareholders engaged in excessive trading by limiting or
disallowing the exchange privilege to such shareholders. For further information
on these restrictions, see the Fund's Statement of Additional Information. The
Fund may modify, restrict or terminate the exchange privilege at any time on 60
days' notice to its shareholders of any termination or material amendment.

Exchange requests received on a business day prior to the time shares of the
funds involved in the request are priced will be processed on the date of
receipt. "Processing" a request means that shares of the fund which the
shareholder is redeeming will be redeemed at the net asset value per share next
determined on the date of receipt. Shares of the fund that the shareholder is
purchasing will also normally be purchased at the net asset value per share next
determined on the date of receipt. Exchange requests received on a business day
after the time that shares of the funds involved in the request are priced will
be processed on the next business day in the manner described herein.

                                 FEDERAL INCOME
                                    TAXATION

Distributions of the Fund's investment company taxable income (consisting
generally of ordinary income and net short-term capital gain) are taxable to
shareholders as ordinary income to the extent of the Fund's earnings and
profits, whether paid in cash or reinvested in additional shares. Distributions
of the Fund's net capital gain (which is the excess of net long-term capital
gain over net short-term capital loss) as capital gain dividends, if any, are
taxable to shareholders as long-term capital gains, whether paid in cash or
reinvested in additional shares, and regardless of how long the shares of the
Fund have been held by such shareholders. The Fund expects that its
distributions will consist primarily of ordinary income and capital gain
dividends. Distributions in excess of the Fund's earnings and profits will first
reduce the adjusted tax basis of a holder's shares and, after such adjusted tax
basis is reduced to zero, will constitute capital gains to such holder (assuming
such shares are held as a capital asset). Although distributions generally are
treated as taxable in the year they are paid, distributions declared in October,
November or December, payable to shareholders of record on a specified date in
such month and paid during January of the following year will be treated as
having been distributed by the Fund and received by the shareholders on the
December 31st prior to the date of payment. The Fund will inform shareholders of
the source and tax status of all distributions promptly after the close of each
calendar year.

The sale or exchange of shares may be a taxable transaction for federal income
tax purposes. Shareholders who sell their shares will generally recognize a gain
or loss in an amount equal to the difference between their adjusted tax basis in
the shares sold and the amount received. If the shares are held by the
shareholder as a capital asset, the gain or loss will be a capital gain or loss.
Any recognized capital gains may be taxed at different rates depending on how
long the shareholder held such shares.

The Fund is required, in certain circumstances, to withhold 31% of dividends and
certain other payments, including redemptions, paid to shareholders who do not
furnish to the Fund their correct taxpayer identification number (in the case of
individuals, their social security number) and certain required certifications
or who are otherwise subject to backup withholding.

Foreign shareholders, including shareholders who are non-resident aliens, may be
subject to U.S. withholding tax on certain distributions (whether received in
cash or in shares) at a rate of 30% or such lower rate as prescribed by an
applicable treaty. Prospective foreign investors should consult their tax
advisers concerning the tax consequences to them of an investment in shares.

The Fund intends to qualify as a regulated investment company under federal
income tax law. If the Fund so qualifies and distributes each year to its
shareholders at least 90% of its investment company taxable income, the Fund
will not be required to pay federal income taxes on any income it distributes to
shareholders. If the Fund distributes less than an amount equal to the sum of
98% of its ordinary

                                       16
<PAGE>   17

income and 98% of its capital gain net income, then the Fund will be subject to
a 4% excise tax on the undistributed amounts.

The federal income tax discussion set forth above is for general information
only. Prospective investors should consult their own tax advisers regarding the
specific federal tax consequences of purchasing, holding and disposing of shares
of the Fund, as well as the effects of state, local and foreign tax law and any
proposed tax law changes.

                                       17
<PAGE>   18

                               BOARD OF TRUSTEES
                                  AND OFFICERS

                               BOARD OF TRUSTEES

<TABLE>
<S>                   <C>
J. Miles Branagan     Richard F. Powers, III*
Jerry D. Choate       Phillip B. Rooney
Linda Hutton Heagy    Fernando Sisto
R. Craig Kennedy      Wayne W. Whalen*
Mitchell M. Merin*    Suzanne H. Woolsey
Jack E. Nelson
</TABLE>

                                    OFFICERS

Richard F. Powers, III*
President

Stephen L. Boyd*
Executive Vice President and Chief Investment Officer

A. Thomas Smith III*
Vice President and Secretary

John H. Zimmermann, III*
Vice President

Michael H. Santo*
Vice President

Richard A. Ciccarone*
Vice President

John R. Reynoldson*
Vice President

John L. Sullivan*
Vice President, Chief Financial Officer and Treasurer

* "Interested persons" of the Fund, as defined in the Investment Company Act of
  1940, as amended.

                              FOR MORE INFORMATION

EXISTING SHAREHOLDERS OR PROSPECTIVE INVESTORS
Call your broker or (800) 341-2911
7:00 a.m. to 7:00 p.m. Central time Monday through Friday

DEALERS
For dealer information, selling agreements, wire orders, or
redemptions, call the Distributor at (800) 421-5666

WEB SITE
www.vankampen.com

VAN KAMPEN AGGRESSIVE GROWTH FUND
1 Parkview Plaza
PO Box 5555
Oakbrook Terrace, IL 60181-5555

Investment Adviser
VAN KAMPEN INVESTMENT ADVISORY CORP.
1 Parkview Plaza
PO Box 5555
Oakbrook Terrace, IL 60181-5555

Distributor
VAN KAMPEN FUNDS INC.
1 Parkview Plaza
PO Box 5555
Oakbrook Terrace, IL 60181-5555

Transfer Agent
VAN KAMPEN INVESTOR SERVICES INC.
PO Box 218256
Kansas City, MO 64121-8256
Attn: Van Kampen Aggressive Growth Fund

Custodian
STATE STREET BANK AND TRUST COMPANY
225 Franklin Street, PO Box 1713
Boston, MA 02105-1713
Attn: Van Kampen Aggressive Growth Fund

Legal Counsel
SKADDEN, ARPS, SLATE, MEAGHER & FLOM (ILLINOIS)
333 West Wacker Drive
Chicago, IL 60606

Independent Auditors
ERNST & YOUNG LLP
233 South Wacker Drive
Chicago, IL 60606
<PAGE>   19

                                   VAN KAMPEN
                            AGGRESSIVE  GROWTH  FUND

                                 CLASS D SHARES
                                   PROSPECTUS
                               SEPTEMBER 25, 2000

                 A Statement of Additional Information, which
                 contains more details about the Fund, is
                 incorporated by reference in its entirety into
                 this prospectus.

                 You will find additional information about the
                 Fund in its annual and semiannual reports to
                 shareholders. The annual report explains the
                 market conditions and investment strategies
                 affecting the Fund's performance during its
                 last fiscal year.

                 You can ask questions or obtain a free copy of
                 the Fund's reports or its Statement of
                 Additional Information by calling (800)
                 341-2911 from 7:00 a.m. to 7:00 p.m., Central
                 time, Monday through Friday.
                 Telecommunications Device for the Deaf users
                 may call (800) 421-2833. A free copy of the
                 Fund's reports can also be ordered from our
                 web site at www.vankampen.com.

                 Information about the Fund, including its
                 reports and Statement of Additional
                 Information, has been filed with the
                 Securities and Exchange Commission (SEC). It
                 can be reviewed and copied at the SEC's Public
                 Reference Room in Washington, DC or on the
                 EDGAR database on the SEC's internet site
                 (http://www.sec.gov). Information on the
                 operation of the SEC's Public Reference Room
                 may be obtained by calling the SEC at
                 1-202-942-8090. You can also request copies of
                 these materials, upon payment of a duplicating
                 fee, by electronic request at the SEC's e-mail
                 address ([email protected]), or by writing
                 the Public Reference Section of the SEC,
                 Washington, DC 20549-0102.

                            [VAN KAMPEN FUNDS LOGO]

                                             The Fund's Investment Company Act
File No. is 811-4805.
                                                                         AGG PRO
9/00


© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission