STEIN ROE ADVISOR TRUST
497, 1997-06-26
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<PAGE> 
                                        File No. 333-17255
                                        Rule 497(e)

<PAGE> 

   
                 STEIN ROE ADVISOR TRUST
         Stein Roe Advisor Special Venture Fund

      Supplement to February 14, 1997 Prospectus 
                   ________________

     As of July 7, 1997, John S. McLandsborough has been 
named co-portfolio manager, along with Richard B. Peterson, 
of SR&F Special Venture Portfolio.  Prior to joining the 
Adviser in April 1996, Mr. McLandsborough was an equity 
research analyst with CS First Boston from June 1994 until 
January 1996 and with National City Bank of Cleveland prior 
thereto.  Mr. McLandsborough, a char-tered financial analyst, 
earned a bachelor's degree in finance in 1989 from Miami 
University and a master's degree in 1992 from Indiana 
University.

         This Supplement is Dated June 26, 1997
    

<PAGE> 1

STEIN ROE ADVISOR SPECIAL VENTURE FUND
The investment objective of Advisor Special Venture Fund is to 
provide long-term capital appreciation by investing primarily in a 
diversified portfolio of equity securities of entrepreneurially 
managed companies.  It emphasizes investments in financially 
strong small and medium-sized companies, based principally on 
management appraisal and stock valuation.  Advisor Special Venture 
Fund invests all of its net investable assets in SR&F Special 
Venture Portfolio, a portfolio of SR&F Base Trust that has the 
same investment objective and substantially the same investment 
policies as Advisor Special Venture Fund.  (SEE SPECIAL 
CONSIDERATIONS REGARDING MASTER FUND/FEEDER FUND STRUCTURE.)

Shares of Advisor Special Venture Fund may be purchased only 
through Intermediaries, including retirement plan service 
providers.

Advisor Special Venture Fund has no sales or redemption charges.  
Advisor Special Venture Fund is a series of Stein Roe Advisor 
Trust and Special Venture Portfolio is a series of SR&F Base 
Trust.  Each Trust is a diversified open-end management investment 
company.

This prospectus contains information you should know before 
investing in Advisor Special Venture Fund.  Please read it 
carefully and retain it for future reference.

A Statement of Additional Information dated February 14, 1997, 
containing more detailed information, has been filed with the 
Securities and Exchange Commission and (together with any 
supplements thereto) is incorporated herein by reference.  The 
Statement of Additional Information may be obtained without charge 
by writing to Stein Roe Mutual Funds, Suite 3200, One South Wacker 
Drive, Chicago, Illinois 60606, or by calling the Adviser.  For 
additional information, call Retirement Services at 800-322-1130 
or Advisor/Broker Services at 800-322-0593.

MUTUAL FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR 
GUARANTEED BY, ANY BANK OR OTHER DEPOSITORY INSTITUTION.  SHARES 
ARE NOT INSURED BY THE FDIC, THE FEDERAL RESERVE BOARD, OR ANY 
OTHER AGENCY, AND ARE SUBJECT TO INVESTMENT RISK, INCLUDING THE 
POSSIBLE LOSS OF THE PRINCIPAL AMOUNT INVESTED.

THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE 
SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES 
COMMISSION, NOR HAS THE SECURITIES AND EXCHANGE COMMISSION OR ANY 
STATE SECURITIES COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY 
OF THIS PROSPECTUS.  ANY REPRESENTATION TO THE CONTRARY IS A 
CRIMINAL OFFENSE.

       The date of this prospectus is February 14, 1997.


            TABLE OF CONTENTS

                                      Page
Summary.................................3
Fee Table ..............................4
The Fund................................5
Investment Policies.....................6
Performance Information.................7
Risks and Investment Considerations ....9
Investment Restrictions ...............10
Portfolio Investments and Strategies...14
Net Asset Value .......................14
How to Purchase Shares.................15
How to Redeem Shares ..................16
Distributions and Income Taxes.........17
Management ............................20
Organization and Description of Shares.
Special Considerations Regarding the
  Master Fund/Feeder Fund Structure....21
For More Information ..................24

                           SUMMARY

Stein Roe Advisor Special Venture Fund ("Advisor Special Venture 
Fund") is a series of Stein Roe Advisor Trust, an open-end 
diversified management investment company organized as a 
Massachusetts business trust.  (See The Fund and Organization and 
Description of Shares.)  This prospectus is not a solicitation in 
any jurisdiction in which shares of Advisor Special Venture Fund 
are not qualified for sale.

INVESTMENT OBJECTIVES AND POLICIES.  The investment objective of 
Advisor Special Venture Fund is to provide long-term capital 
appreciation by investing primarily in a diversified portfolio of 
equity securities of entrepreneurially managed companies.  It 
emphasizes investments in financially strong small and medium-
sized companies, based principally on management appraisal and 
stock valuation.  Advisor Special Venture Fund invests all of its 
net investable assets in SR&F Special Venture Portfolio ("Special 
Venture Portfolio") which has the same investment objective and 
investment policies substantially similar to those of Advisor 
Special Venture Fund.  Special Venture Portfolio emphasizes 
investments in financially strong small and medium-sized 
companies, based principally on management appraisal and stock 
valuation.

For a more detailed discussion of the investment objectives and 
policies, please see Investment Policies and Portfolio Investments 
and Strategies.  There is, of course, no assurance that Advisor 
Special Venture Fund and Special Venture Portfolio will achieve 
their common investment objective.

INVESTMENT RISKS.  Advisor Special Venture Fund is designed for 
long-term investors who want greater return potential than is 
available from the stock market in general, and who are willing to 
tolerate the greater investment risk and market volatility 
associated with investments in small and medium-sized companies.  
Special Venture Portfolio may invest in foreign securities, which 
may entail a greater degree of risk than investing in securities 
of domestic issuers.  Please see Investment Restrictions and Risks 
and Investment Considerations for further information.

PURCHASES AND REDEMPTIONS.  Shares of Advisor Special Venture Fund 
may be purchased only through Intermediaries, including retirement 
plan service providers.  For information on purchasing and 
redeeming Advisor Special Venture Fund shares, please see How to 
Purchase Shares, How to Redeem Shares, and Management--
Distributor.

MANAGEMENT AND FEES.  Stein Roe & Farnham Incorporated (the 
"Adviser") is investment adviser to Special Venture Portfolio.  In 
addition, it provides administrative services to Advisor Special 
Venture Fund and Special Venture Portfolio.  For a description of 
the Adviser and these service arrangements, see Management.

                      FEE TABLE

SHAREHOLDER TRANSACTION EXPENSES
Sales Load Imposed on Purchases.......................None
Sales Load Imposed on Reinvested Dividends............None
Deferred Sales Load...................................None
Redemption Fees.......................................None
Exchange Fees.........................................None
ANNUAL FUND OPERATING EXPENSES (as a percentage of 
 average net assets; after reimbursement)
Management and Administrative Fees (after 
   reimbursement).....................................0.75%
12b-1 Fees............................................0.25%
Other Expenses (after reimbursement)..................0.50%
                                                      -----
Total Operating Expenses (after reimbursement)........1.50%
                                                      =====
EXAMPLE.
You would pay the following expenses on a $1,000 investment 
assuming (1) 5% annual return; and (2) redemption at the end of 
each time period:

                  1 year        3 years
                  ------        -------
                   $15            $47

The purpose of the Fee Table is to assist you in understanding the 
various costs and expenses that you will bear directly or 
indirectly as an investor in Advisor Special Venture Fund.  The 
Fee Table reflects the combined expenses of both Advisor Special 
Venture Fund and Special Venture Portfolio.  Anticipated Total 
Operating Expenses for Advisor Special Venture Fund are annualized 
projections based upon current administrative fees and management 
fees.  Other Expenses are estimated amounts for the current fiscal 
year.  The figures assume that the percentage amounts listed under 
Annual Fund Operating Expenses remain the same during each of the 
periods and that all income dividends and capital gain 
distributions are reinvested in additional shares.

From time to time, the Adviser may voluntarily undertake to 
reimburse Advisor Special Venture Fund for a portion of its 
operating expenses and its pro rata share of the fees and expenses 
payable by Special Venture Portfolio.  The Adviser has undertaken 
to reimburse Advisor Special Venture Fund for its operating 
expenses and its pro rata share of Special Venture Portfolio's 
operating expenses to the extent such expenses exceed 1.50% of 
Advisor Special Venture Fund's annual average net assets.  This 
commitment expires on January 31, 1998, subject to earlier review 
and possible termination by the Adviser on 30 days' notice to 
Advisor Special Venture Fund.  Absent such reimbursement, Advisor 
Special Venture Fund's share of Special Venture Portfolio's 
Management Fee and the Fund's Administrative Fee, Other Expenses 
and Total Operating Expenses would be 0.90%, 0.55% and 1.70%, 
respectively.  Any such reimbursement will lower Advisor Special 
Venture Fund's overall expense ratio and increase its overall 
return to investors.  (Also see Management--Fees and Expenses.)

Advisor Special Venture Fund pays the Adviser an administrative 
fee based on its average daily net assets and Special Venture 
Portfolio pays the Adviser a management fee based on its average 
daily net assets.  The trustees of Advisor Trust have considered 
whether the annual operating expenses of Advisor Special Venture 
Fund, including its proportionate share of the expenses of Special 
Venture Portfolio, would be more or less than if Advisor Special 
Venture Fund invested directly in the securities held by Special 
Venture Portfolio, and concluded that Advisor Special Venture 
Fund's expenses would not be materially greater in such case.

The figures in the Example are not necessarily indicative of past 
or future expenses, and actual expenses may be greater or less 
than those shown.  Although information such as that shown in the 
Example and Fee Table is useful in reviewing Advisor Special 
Venture Fund's expenses and in providing a basis for comparison 
with other mutual funds, it should not be used for comparison with 
other investments using different assumptions or time periods.

Because Advisor Special Venture Fund pays a 12b-1 fee, long-term 
investors in Advisor Special Venture Fund may pay more over long 
periods of time in distribution expenses than the maximum front-
end sales charge permitted by the National Association of 
Securities Dealers, Inc. ("NASD").  For further information on 
Advisor Special Venture Fund's 12b-1 fee, see Management--
Distributor or call your financial representative.

                           THE FUND

STEIN ROE ADVISOR SPECIAL VENTURE FUND ("Advisor Special Venture 
Fund") is a series of Stein Roe Advisor Trust ("Advisor Trust"), 
which is an open-end diversified management investment company 
authorized to issue shares of beneficial interest in separate 
series.  

Rather than invest in securities directly, Advisor Special Venture 
Fund seeks to achieve its investment objective by using the 
"master fund/feeder fund structure."  Under that structure, a 
feeder fund and one or more feeder funds pool their assets in a 
master portfolio that has the same investment objective and 
substantially the same investment policies as the feeder funds.  
(See Special Considerations Regarding Master Fund/Feeder Fund 
Structure.)  Advisor Special Venture Fund invests all of its net 
investable assets in SR&F Special Venture Portfolio ("Special 
Venture Portfolio"), which is a series of SR&F Base Trust ("Base 
Trust").  

Stein Roe & Farnham Incorporated (the "Adviser") provides 
portfolio management services to Special Venture Portfolio and 
administrative services to Advisor Special Venture Fund and 
Special Venture Portfolio. 

                   INVESTMENT POLICIES

The investment objective of Advisor Special Venture Fund is to 
provide long-term capital appreciation by investing primarily in a 
diversified portfolio of equity securities of entrepreneurially 
managed companies.  It emphasizes investments in financially 
strong small and medium-sized companies, based principally on 
management appraisal and stock valuation.  Advisor Special Venture 
Fund invests all of its net investable assets in Special Venture 
Portfolio, which has the same investment objective and investment 
policies substantially similar to Advisor Special Venture Fund.  
The Adviser considers "small" and "medium-sized" companies to be 
those with market capitalizations of less than $1 billion and $1 
to $3 billion, respectively.

In both its initial and ongoing appraisals of a company's 
management, the Adviser seeks to know both the principal owners 
and senior management and to assess their business judgment and 
strategies through personal visits.  The Adviser favors companies 
whose management has an owner/operator, risk-averse orientation 
and a demonstrated ability to create wealth for investors.  
Attractive company characteristics include unit growth, favorable 
cost structures or competitive positions, and financial strength 
that enables management to execute business strategies under 
difficult conditions.  A company is attractively valued when its 
stock can be purchased at a meaningful discount to the value of 
the underlying business.

Further information on investment techniques that may be employed 
by Special Venture Portfolio and the risks associated with such 
techniques may be found under Risks and Investment Considerations 
and Portfolio Investments and Strategies in this prospectus and in 
the Statement of Additional Information.  

                    PERFORMANCE INFORMATION

The total return from an investment in Advisor Special Venture 
Fund is measured by the distributions received (assuming 
reinvestment), plus or minus the change in the net asset value per 
share for a given period.  A total return percentage may be 
calculated by dividing the value of a share at the end of the 
period (including reinvestment of distributions) by the value of 
the share at the beginning of the period and subtracting one.  For 
a given period, an average annual total return may be calculated 
by finding the average annual compounded rate that would equate a 
hypothetical $1,000 investment to the ending redeemable value.

Comparison of Advisor Special Venture Fund's total return with 
alternative investments should consider differences between the 
Fund and the alternative investments, the periods and methods used 
in calculation of the return being compared, and the impact of 
taxes on alternative investments.  Of course, past performance is 
not necessarily indicative of future results.  Share prices may 
vary, and your shares when redeemed may be worth more or less than 
your original purchase price.

As of the date of this Prospectus, Advisor Special Venture Fund 
had no past performance.  However, Stein Roe Special Venture Fund, 
a different Stein Roe Fund which is a series of Stein Roe 
Investment Trust and has a similar name, the same investment 
objective and substantially the same investment policies as 
Advisor Special Venture Fund, also invests all of its net 
investable assets in Special Venture Portfolio.  The  average 
annual total returns for the periods ended September 30, 1996, for 
1-year and since-inception (October 17, 1994) investments in Stein 
Roe Special Venture Fund were 31.81% and 30.22%, respectively.  
Stein Roe Special Venture Fund has a different fee structure than 
Advisor Special Venture Fund, and does not pay 12b-1 fees.  Had 
these fees been reflected, the total returns shown in the table 
would have been lower. The information shown above reflects the 
performance of Stein Roe Special Venture Fund, and should not be 
interpreted as indicative of Advisor Special Venture Fund's future 
performance.

                RISKS AND INVESTMENT CONSIDERATIONS

Advisor Special Venture Fund is designed for long-term investors 
who want greater return potential than is available from the stock 
market in general, and who are willing to tolerate the greater 
investment risk and market volatility associated with investments 
in small and medium-sized companies.  Special Venture Portfolio 
usually allocates its investments among a number of different 
industries rather than concentrating in a particular industry or 
group of industries, but this does not eliminate all risk.  It 
will not, however, invest more than 25% of the total value of its 
assets (at the time of investment) in the securities of companies 
in any one industry.  There can be no guarantee that Advisor 
Special Venture Fund or Special Venture Portfolio will achieve its 
objective.

Special Venture Portfolio may invest up to 35% of its total assets 
in debt securities.  Debt securities rated in the fourth highest 
grade may have some speculative characteristics, and changes in 
economic conditions or other circumstances may lead to a weakened 
capacity of the issuers of such securities to make principal and 
interest payments.  Securities rated below investment grade may 
possess speculative characteristics, and changes in economic 
conditions are more likely to affect the issuer's capacity to pay 
interest or repay principal.

Special Venture Portfolio may invest up to 25% of its total assets 
in foreign securities.  For purposes of this limit, foreign 
securities exclude American Depositary Receipts (ADRs), foreign 
debt securities denominated in U.S. dollars, and securities 
guaranteed by a U.S. person.  Investment in foreign securities may 
represent a greater degree of risk (including risk related to 
exchange rate fluctuations, tax provisions, exchange and currency 
controls, and expropriation of assets) than investment in 
securities of domestic issuers.  Other risks of foreign investing 
include less complete financial information on issuers, different 
accounting, auditing and financial reporting standards, different 
settlement practices, less market liquidity, more market 
volatility, less developed and regulated markets, and greater 
political instability.  In addition, various restrictions by 
foreign governments on investments by nonresidents may apply, 
including imposition of exchange controls and withholding taxes on 
dividends, and seizure or nationalization of investments owned by 
nonresidents.  Foreign investments also tend to involve higher 
transaction and custody costs.

Further information on investment techniques that may be employed 
by Special Venture Portfolio may be found under Portfolio 
Investments and Strategies.

                    INVESTMENT RESTRICTIONS

Neither Advisor Special Venture Fund nor Special Venture Portfolio 
may invest more than 5% of their assets in the securities of any one 
issuer.  This restriction applies only to 75% of the investment 
portfolio, and does not apply to securities of the U.S. Government 
or repurchase agreements /1/ for such securities.  This 
restriction also does not prevent Advisor Special Venture Fund 
from investing all of its assets in shares of another investment 
company having the identical investment objective under a 
master/feeder structure.
- ----------------
/1/ A repurchase agreement involves a sale of securities to 
Special Venture Portfolio in which the seller agrees to repurchase 
the securities at a higher price, which includes an amount 
representing interest on the purchase price, within a specified 
time.  In the event of bankruptcy of the seller, Special Venture 
Portfolio could experience both losses and delays in liquidating 
its collateral.
- ----------------

Neither Advisor Special Venture Fund nor Special Venture Portfolio 
will acquire more than 10% of the outstanding voting securities of 
any one issuer.  Advisor Special Venture Fund may, however, invest 
all of its assets in shares of another investment company having 
the identical investment objective under a master/feeder 
structure.

Neither Advisor Special Venture Fund nor Special Venture Portfolio 
may make loans except that it may (1) purchase money market 
instruments and enter into repurchase agreements; (2) acquire 
publicly distributed or privately placed debt securities; (3) lend 
its portfolio securities under certain conditions; and (4) 
participate in an interfund lending program with other Stein Roe 
Funds and Portfolios.  Advisor Special Venture Fund and Special 
Venture Portfolio may not borrow money, except for nonleveraging, 
temporary, or emergency purposes or in connection with 
participation in the interfund lending program.  Neither the 
aggregate borrowings (including reverse repurchase agreements) nor 
the aggregate loans at any one time may exceed 33 1/3% of the 
value of total assets.  Additional securities may not be purchased 
when borrowings less proceeds receivable from sales of portfolio 
securities exceed 5% of total assets.

Advisor Special Venture Fund and Special Venture Portfolio may 
invest in repurchase agreements, provided that neither will invest 
more than 15% of its net assets in illiquid securities, including 
repurchase agreements maturing in more than seven days.

The policies summarized in the first three paragraphs under this 
section and the policy with respect to concentration of 
investments in any one industry described under Risks and 
Investment Considerations are fundamental policies of Advisor 
Special Venture Fund and Special Venture Portfolio and, as such, 
can be changed only with the approval of a "majority of the 
outstanding voting securities" as defined in the Investment 
Company Act of 1940.  The common investment objective of Advisor 
Special Venture Fund and Special Venture Portfolio is non-
fundamental and, as such, may be changed by the Board of Trustees 
without shareholder approval.  All of the investment restrictions 
are set forth in the Statement of Additional Information.

             PORTFOLIO INVESTMENTS AND STRATEGIES

DEBT SECURITIES.
Special Venture Portfolio may invest up to 35% of its net assets 
in debt securities, but it does not currently intend to invest 
more than 5% of its net assets in debt securities rated below 
investment grade.  The risks inherent in debt securities depend 
primarily on the term and quality of the obligations in Special 
Venture Portfolio's portfolio as well as on market conditions.  A 
decline in the prevailing levels of interest rates generally 
increases the value of debt securities, while an increase in rates 
usually reduces the value of those securities.  When the Adviser 
determines that adverse market or economic conditions exist and 
considers a temporary defensive position advisable, Special 
Venture Portfolio may invest without limitation in high-quality 
fixed income securities or hold assets in cash or cash 
equivalents.

FOREIGN SECURITIES.
Special Venture Portfolio may invest in sponsored or unsponsored 
ADRs.  In addition to, or in lieu of, such direct investment, 
Special Venture Portfolio may construct a synthetic foreign debt 
position by (a) purchasing a debt instrument denominated in one 
currency, generally U.S. dollars; and (b) concurrently entering 
into a forward contract to deliver a corresponding amount of that 
currency in exchange for a different currency on a future date and 
at a specified rate of exchange.  Because of the availability of a 
variety of highly liquid U.S. dollar debt instruments, a synthetic 
foreign debt position utilizing such U.S. dollar instruments may 
offer greater liquidity than direct investment in foreign currency 
debt instruments.  

In connection with the purchase of foreign securities, Special 
Venture Portfolio may enter into foreign currency forward and 
futures contracts to hedge the currency risk in settlement of a 
particular security transaction or relative to the entire 
portfolio.  A forward contract to purchase an amount of foreign 
currency sufficient to pay the purchase price of securities at 
settlement date involves the risk that the value of the foreign 
currency may decline relative to the value of the dollar prior to 
the settlement date.  This risk is in addition to the risk that 
the value of the foreign security purchased may decline.  Special 
Venture Portfolio also may enter into foreign currency contracts 
as a hedging technique to limit or reduce exposure of the entire 
portfolio to currency fluctuations.  In addition, Special Venture 
Portfolio may use options and futures contracts, as described 
below, to limit or reduce exposure to currency fluctuations. 

CONVERTIBLE SECURITIES.
By investing in convertible securities, Special Venture Portfolio 
obtains the right to benefit from the capital appreciation 
potential in the underlying stock upon exercise of the conversion 
right, while earning higher current income than would be available 
if the stock were purchased directly.  In determining whether to 
purchase a convertible, the Adviser will consider substantially 
the same criteria that would be considered in purchasing the 
underlying stock.  Although convertible securities are frequently 
rated investment grade, Special Venture Portfolio also may 
purchase unrated securities or securities rated below investment 
grade if the securities meet the Adviser's other investment 
criteria.  Convertible securities rated below investment grade 
tend to be more sensitive to interest rate and economic changes, 
may be obligations of issuers who are less creditworthy than 
issuers of higher quality convertible securities, and may be more 
thinly traded due to the fact that such securities are less well 
known to investors than either common stock or conventional debt 
securities.  As a result, the Adviser's own investment research 
and analysis tends to be more important than other factors in the 
purchase of convertible securities.

LENDING PORTFOLIO SECURITIES; WHEN-ISSUED AND DELAYED-DELIVERY 
SECURITIES.
Special Venture Portfolio may make loans of its portfolio 
securities to broker-dealers and banks subject to certain 
restrictions described in the Statement of Additional Information.  
Special Venture Portfolio may participate in an interfund lending 
program, subject to certain restrictions described in the 
Statement of Additional Information.  Special Venture Portfolio 
may invest in securities purchased on a when-issued or delayed-
delivery basis.  Although the payment terms of these securities 
are established at the time Special Venture Portfolio enters into 
the commitment, the securities may be delivered and paid for a 
month or more after the date of purchase, when their value may 
have changed.  Special Venture Portfolio will make such 
commitments only with the intention of actually acquiring the 
securities, but may sell the securities before settlement date if 
it is deemed advisable for investment reasons.  

SHORT SALES AGAINST THE BOX.  
Special Venture Portfolio may sell short securities it owns or has 
the right to acquire without further consideration, using a 
technique called selling short "against the box."  Short sales 
against the box may protect Special Venture Portfolio against the 
risk of losses in the value of its portfolio securities because 
any unrealized losses with respect to such securities should be 
wholly or partly offset by a corresponding gain in the short 
position.  However, any potential gains in such securities should 
be wholly or partially offset by a corresponding loss in the short 
position.  Short sales against the box may be used to lock in a 
profit on a security when, for tax reasons or otherwise, the 
Adviser does not want to sell the security.  Special Venture 
Portfolio does not expect to commit more than 5% of its net assets 
to short sales against the box.  For a more complete explanation, 
please refer to the Statement of Additional Information.

DERIVATIVES.
Consistent with its objective, Special Venture Portfolio may 
invest in a broad array of financial instruments and securities, 
including conventional exchange-traded and non-exchange-traded 
options, futures contracts, futures options, securities 
collateralized by underlying pools of mortgages or other 
receivables, floating rate instruments, and other instruments that 
securitize assets of various types ("Derivatives").  In each case, 
the value of the instrument or security is "derived" from the 
performance of an underlying asset or a "benchmark" such as a 
security index, an interest rate, or a currency.  Special Venture 
Portfolio does not expect to invest more than 5% of its net assets 
in any type of Derivative except for options, futures contracts, 
and futures options.

In seeking to achieve its desired investment objective, provide 
additional revenue, or to hedge against changes in security 
prices, interest rates or currency fluctuations, Special Venture 
Portfolio may: (1) purchase and write both call options and put 
options on securities, indexes and foreign currencies; (2) enter 
into interest rate, index and foreign currency futures contracts; 
(3) write options on such futures contracts; and (4) purchase 
other types of forward or investment contracts linked to 
individual securities, indexes or other benchmarks.  Special 
Venture Portfolio may write a call or put option only if the 
option is covered.  As the writer of a covered call option, 
Special Venture Portfolio foregoes, during the option's life, the 
opportunity to profit from increases in market value of the 
security covering the call option above the sum of the premium and 
the exercise price of the call.  There can be no assurance that a 
liquid market will exist when Special Venture Portfolio seeks to 
close out a position.  In addition, because futures positions may 
require low margin deposits, the use of futures contracts involves 
a high degree of leverage and may result in losses in excess of 
the amount of the margin deposit. 

Derivatives are most often used to manage investment risk or to 
create an investment position indirectly because they are more 
efficient or less costly than direct investment.  They also may be 
used in an effort to enhance portfolio returns.

The successful use of Derivatives depends on the Adviser's ability 
to correctly predict changes in the levels and directions of 
movements in security prices, interest rates and other market 
factors affecting the Derivative itself or the value of the 
underlying asset or benchmark.  In addition, correlations in the 
performance of an underlying asset to a Derivative may not be well 
established.  Finally, privately negotiated and over-the-counter 
Derivatives may not be as well regulated and may be less 
marketable than exchange-traded Derivatives.  For additional 
information on Derivatives, please refer to the Statement of 
Additional Information.

PORTFOLIO TURNOVER.
Although Special Venture Portfolio does not purchase securities 
with a view to rapid turnover, there are no limitations on the 
length of time portfolio securities must be held.  Accordingly, 
the portfolio turnover rate may vary significantly from year to 
year, but is not expected to exceed 100% under normal market 
conditions.  Flexibility of investment and emphasis on capital 
appreciation may involve greater portfolio turnover than that of 
mutual funds that have the objectives of income or maintenance of 
a balanced investment position.  A high rate of portfolio turnover 
may result in increased transaction expenses and the realization 
of capital gains and losses.  (See Distributions and Income 
Taxes.)

                       NET ASSET VALUE

The purchase and redemption price of Advisor Special Venture 
Fund's shares is its net asset value per share.  Advisor Special 
Venture Fund determines the net asset value of its shares as of 
the close of trading on the New York Stock Exchange ("NYSE") 
(currently 3:00 p.m., central time) by dividing the difference 
between the value of its assets and liabilities by the number of 
shares outstanding.  Special Venture Portfolio allocates net asset 
value, income, and expenses to Advisor Special Venture Fund and 
any other of its feeder funds in proportion to their respective 
interests in Special Venture Portfolio.

Net asset value will not be determined on days when the NYSE is 
closed unless, in the judgment of the Board of Trustees, the net 
asset value of Advisor Special Venture Fund should be determined 
on any such day, in which case the determination will be made at 
3:00 p.m., central time.

Each security traded on a national stock exchange is valued at its 
last sale price on that exchange on the day of valuation or, if 
there are no sales that day, at the latest bid quotation.  Each 
over-the-counter security for which the last sale price on the day 
of valuation is available from NASDAQ is valued at that price.  
All other over-the-counter securities for which reliable 
quotations are available are valued at the latest bid quotation.

Long-term straight-debt obligations and securities convertible 
into stocks are valued at a fair value using a procedure 
determined in good faith by the Board of Trustees.  Pricing 
services approved by the Board provide valuations (some of which 
may be "readily available market quotations").  These valuations 
are reviewed by the Adviser.  If the Adviser believes that a 
valuation received from the service does not represent a fair 
value, it values the obligation using a method that the Board 
believes represents fair value.  The Board may approve the use of 
other pricing services and any pricing service used may employ 
electronic data processing techniques, including a so-called 
"matrix" system, to determine valuations.  Other assets and 
securities are valued by a method that the Board believes 
represents fair value.

                  HOW TO PURCHASE SHARES

You may purchase Advisor Special Venture Fund shares only through 
broker-dealers, banks, or other intermediaries, including 
retirement plan service providers ("Intermediaries").  The Adviser 
and Advisor Special Venture Fund do not recommend, endorse, or 
receive payments from any Intermediary.  

PURCHASE PRICE AND EFFECTIVE DATE.  Each purchase of Advisor 
Special Venture Fund's shares is made at Advisor Special Venture 
Fund's net asset value (see Net Asset Value) next determined after 
receipt by the Fund or through an authorized agent of an order in 
good form, including receipt of payment.

CONDITIONS OF PURCHASE.  Each purchase order for Advisor Special 
Venture Fund must be accepted by an authorized officer of Advisor 
Trust or its authorized agent and is not binding until accepted 
and entered on the books of Advisor Special Venture Fund.  Once 
your purchase order has been accepted, you may not cancel or 
revoke it; you may, however, redeem the shares.  Advisor Trust 
reserves the right not to accept any purchase order that it 
determines not to be in the best interests of Advisor Trust or of 
Advisor Special Venture Fund's shareholders.  

PURCHASES THROUGH INTERMEDIARIES.  You must purchase shares 
through Intermediaries.  These Intermediaries may charge for their 
services or place limitations on the extent to which you may use 
the services offered by Advisor Trust.  In addition, each 
Intermediary will establish its own procedures for the purchase of 
shares of Advisor Special Venture Fund, including minimum initial 
and additional investments, and the acceptable methods of payment 
for shares.  Your Intermediary may be closed on days when the NYSE 
is open.  As a result, prices of Fund shares may be significantly 
affected on days when you have no access to your Intermediary to 
buy shares.  If you wish to purchase shares, please contact your 
Intermediary for instructions.

Retirement Plans.  If you purchase shares through a retirement 
plan, you should be aware that retirement plan administrators may 
aggregate purchase and redemption orders for participants in the 
plan.  Therefore, there may be a delay between the time you place 
your order with the plan administrator and the time the order is 
forwarded for execution.

                      HOW TO REDEEM SHARES

You may redeem shares only through Intermediaries.  Each 
Intermediary will establish its own procedures for the sale of 
shares of Advisor Special Venture Fund.  Your Intermediary may be 
closed on days when the NYSE is open.  As a result, prices for 
Fund shares may be significantly affected on days when you have no 
access to your Intermediary to sell shares.  If you wish to redeem 
shares through an Intermediary, please contact the Intermediary 
for instructions.

EXCHANGE PRIVILEGE.  Through an account with an Intermediary, you 
may redeem all or any portion of your Advisor Special Venture Fund 
shares and use the proceeds to purchase shares of any other Fund 
that is a series of Advisor Trust offered for sale in the state in 
which the Intermediary is located.  Each Intermediary will 
establish its own exchange policies and procedures.  In particular, 
individual participants of qualified retirement plans may exchange 
shares through the plan sponsor or administrator.  Those 
participants may exchange shares only for shares of other Advisor 
Trust Funds that are included in the plan.  An exchange 
transaction is a sale and purchase of shares for federal income 
tax purposes and may result in capital gain or loss.  Before 
exchanging into another Advisor Trust Fund, you should obtain the 
prospectus for the Advisor Trust Fund in which you wish to invest 
and read it carefully.  The registration of the account to which 
you are making an exchange must be exactly the same as that of the 
account from which the exchange is made.  Advisor Special Venture 
Fund reserves the right to suspend, limit, modify, or terminate 
the Exchange Privilege or its use in any manner by any person or 
class; Intermediaries would be notified of such a change.

GENERAL REDEMPTION POLICIES.  Redemption instructions may not be 
cancelled or revoked once they have been received and accepted by 
Advisor Trust.  Advisor Trust cannot accept a redemption request 
that specifies a particular date or price for redemption or any 
special conditions.  

The price at which your redemption order will be executed is the 
net asset value next determined after proper redemption 
instructions are received by the Intermediary.   (See Net Asset 
Value.)  Because the redemption price you receive depends upon 
Advisor Special Venture Fund's net asset value per share at the 
time of redemption, it may be more or less than the price you 
originally paid for the shares and may result in a realized 
capital gain or loss.

Advisor Trust will pay redemption proceeds as soon as practicable, 
and in no event later than seven days after proper instructions 
are received by Advisor Special Venture Fund or its authorized 
agent.  

                   DISTRIBUTIONS AND INCOME TAXES

DISTRIBUTIONS.  Income dividends are declared and paid annually.  
Advisor Special Venture Fund intends to distribute by the end of 
each calendar year at least 98% of any net capital gains realized 
from the sale of securities during the twelve-month period ended 
October 31 in that year.  Advisor Special Venture Fund intends to 
distribute any undistributed net investment income and net 
realized capital gains in the following year.

All income dividends and capital gain distributions on shares of 
Advisor Special Venture Fund will be reinvested in additional 
shares unless your Intermediary elects to have distributions paid 
by check.  Reinvestment normally occurs on the payable date.  

INCOME TAXES.  For federal income tax purposes, Advisor Special 
Venture Fund is treated as a separate taxable entity distinct from 
the other series of Advisor Trust.  Special Venture Portfolio 
intends to qualify for the special tax treatment afforded 
regulated investment companies under Subchapter M of the Internal 
Revenue Code, so that it will be relieved of federal income tax on 
that part of its net investment income and net capital gain that 
is distributed to shareholders.

Advisor Special Venture Fund will distribute substantially all of 
its ordinary income and net capital gains on a current basis.  
Generally distributions are taxable as ordinary income, except 
that any distributions of net long-term capital gains will be 
taxed as such.  However, distributions by Advisor Special Venture 
Fund to plans that qualify for tax-exempt treatment under federal 
income tax laws will not be taxable.  Special tax rules apply to 
investments through such plans.

This section is not intended to be a full discussion of income tax 
laws and their effect on shareholders.  You may wish to consult 
your own tax advisor.

                         MANAGEMENT

TRUSTEES AND INVESTMENT ADVISER.  The Board of Trustees of Advisor 
Trust and the Board of Trustees of Base Trust have overall 
management responsibility for Advisor Special Venture Fund and 
Special Venture Portfolio, respectively.  See Management in the 
Statement of Additional Information for the names of and other 
information about the trustees and officers.  Since Advisor Trust 
and Base Trust have the same trustees, the trustees have adopted 
conflict of interest procedures to monitor and address potential 
conflicts between the interests of Advisor Special Venture Fund 
and Special Venture Portfolio and other feeder funds investing in 
Special Venture Portfolio that share a common Board of Trustees 
with Advisor Trust and Base Trust.

The Adviser, Stein Roe & Farnham Incorporated, One South Wacker 
Drive, Chicago, Illinois 60606, is responsible for managing the 
investment portfolio of Special Venture Portfolio and the business 
affairs of Advisor Special Venture Fund, Special Venture 
Portfolio, Advisor Trust, and Base Trust, subject to the direction 
of the respective Board.  The Adviser is registered as an 
investment adviser under the Investment Advisers Act of 1940.  The 
Adviser was organized in 1986 to succeed to the business of Stein 
Roe & Farnham, a partnership that had advised and managed mutual 
funds since 1949.  The Adviser is a wholly owned subsidiary of 
Liberty Financial Companies, Inc. ("Liberty Financial"), which in 
turn is a majority owned indirect subsidiary of Liberty Mutual 
Insurance Company.

PORTFOLIO MANAGERS.  E. Bruce Dunn and Richard B. Peterson have 
been co-portfolio managers of Special Venture Portfolio since its 
inception in 1997 and had managed its predecessor since 1994.  
Each is a senior vice president of the Adviser.  Mr. Dunn has been 
associated with the Adviser since 1964.  He received his A.B. 
degree from Yale University (1956) and his M.B.A. from Harvard 
University (1958) and is a chartered investment counselor.  Mr. 
Peterson, who began his investment career with the Adviser in 1965 
after graduating with a B.A. from Carleton College (1962) and the 
Woodrow Wilson School at Princeton University with a Masters in 
Public Administration (1964), rejoined the Adviser in 1991 after 
15 years of equity research and portfolio management experience 
with State Farm Investment Management Corp.  As of December 31, 
1996, Messrs. Dunn and Peterson were responsible for co-managing 
$1.5 billion in mutual fund net assets.

FEES AND EXPENSES.  The Adviser is entitled to receive a monthly 
administrative fee from Advisor Special Venture Fund, computed and 
accrued daily, at an annual rate of 0.15% of average net assets; 
and a monthly management fee from Special Venture Portfolio, 
computed and accrued daily, at an annual rate of 0.75% of average 
net assets.  However, as noted above under Fee Table, the Adviser 
may voluntarily undertake to reimburse Advisor Special Venture 
Fund for a portion of its operating expenses and its pro rata 
share of Special Venture Portfolio's operating expenses.

The Adviser provides office space and executive and other 
personnel to Advisor Trust and Base Trust.  All expenses of 
Advisor Special Venture Fund (other than those paid by the 
Adviser), including, but not limited to, printing and postage 
charges, securities registration fees, custodian and transfer 
agency fees, legal and auditing fees, compensation of trustees not 
affiliated with the Adviser, and expenses incidental to its 
organization, are paid out of the assets of Advisor Special 
Venture Fund.

Under a separate agreement with each Trust, the Adviser provides 
certain accounting and bookkeeping services to Advisor Special 
Venture Fund and Special Venture Portfolio including computation 
of net asset value and calculation of its net income and capital 
gains and losses on disposition of assets.

In addition, the Adviser is free to make additional payments out 
of its own assets to promote the sale of shares of Advisor Special 
Venture Fund.

PORTFOLIO TRANSACTIONS.  The Adviser places the orders for the 
purchase and sale of portfolio securities and options and futures 
contracts for Special Venture Portfolio.  In doing so, the Adviser 
seeks to obtain the best combination of price and execution, which 
involves a number of judgmental factors.

TRANSFER AGENT AND SHAREHOLDER SERVICES.  SteinRoe Services Inc. 
("SSI"), One South Wacker Drive, Chicago, Illinois 60606, a wholly 
owned subsidiary of Liberty Financial, is the agent of Advisor 
Trust for the transfer of shares, disbursement of dividends, and 
maintenance of shareholder accounting records. 

Some Intermediaries that maintain nominee accounts with Advisor 
Special Venture Fund for their clients who are Fund shareholders 
may be paid a fee from SSI of up to 0.25% of the average net 
assets held in such accounts for shareholder servicing and 
accounting services they provide with respect to the underlying 
Fund shares.  

DISTRIBUTOR.  The shares of Advisor Special Venture Fund are 
offered for sale through Liberty Securities Corporation 
("Distributor") without any sales commissions.  The Distributor is 
a wholly owned indirect subsidiary of Liberty Financial.  The 
business address of the Distributor is 600 Atlantic Avenue, 
Boston, Massachusetts 02210; however, all Fund correspondence 
(including purchase and redemption orders) should be mailed to 
SteinRoe Services Inc. at P.O. Box 8900, Boston, Massachusetts 
02205.  

The trustees of Advisor Trust have adopted a plan pursuant to Rule 
12b-1 under the Investment Company Act of 1940 ("Plan").  The Plan 
provides that, as compensation for the promotion and distribution 
of shares of Advisor Special Venture Fund including its expenses 
related to the sale and promotion of Fund shares, the Distributor 
receives from Advisor Special Venture Fund a fee at an annual rate 
of 0.25% of its average net assets.  The Distributor generally 
pays this amount to institutions that distribute Advisor Special 
Venture Fund shares and provide services to Advisor Special 
Venture Fund and its shareholders.  Those institutions may use the 
payments for, among other purposes, compensating employees engaged 
in sales and/or shareholder servicing.  The amount of fees paid by 
Advisor Special Venture Fund during any year may be more or less 
than the cost of distribution or other services provided to 
Advisor Special Venture Fund.  NASD rules limit the amount of 
annual distribution fees that may be paid by a mutual fund and 
impose a ceiling on the cumulative distribution fees paid.  
Advisor Trust's Plan complies with those rules.

CUSTODIAN.  State Street Bank and Trust Company (the "Bank"), 225 
Franklin Street, Boston, Massachusetts 02101, is the custodian for 
Advisor Special Venture Fund and Special Venture Portfolio.  
Foreign securities are maintained in the custody of foreign banks 
and trust companies that are members of the Bank's Global Custody 
Network or foreign depositories used by such members.  (See 
Custodian in the Statement of Additional Information.)

           ORGANIZATION AND DESCRIPTION OF SHARES

Advisor Trust is a Massachusetts business trust organized under an 
Agreement and Declaration of Trust ("Declaration of Trust") dated 
July 31, 1996, which provides that each shareholder shall be 
deemed to have agreed to be bound by the terms thereof.  The 
Declaration of Trust may be amended by a vote of either Advisor 
Trust's shareholders or its trustees.  Advisor Trust may issue an 
unlimited number of shares, in one or more series as the Board may 
authorize.  Currently, seven series are authorized and outstanding.

Under Massachusetts law, shareholders of a Massachusetts business 
trust such as Advisor Trust could, in some circumstances, be held 
personally liable for unsatisfied obligations of Advisor Trust.  
The Declaration of Trust provides that persons extending credit 
to, contracting with, or having any claim against, Advisor Trust 
or any particular series shall look only to the assets of Advisor 
Trust or of the respective series for payment under such credit, 
contract or claim, and that the shareholders, trustees and 
officers of Advisor Trust shall have no personal liability 
therefor.  The Declaration of Trust requires that notice of such 
disclaimer of liability be given in each contract, instrument or 
undertaking executed or made on behalf of Advisor Trust.  The 
Declaration of Trust provides for indemnification of any 
shareholder against any loss and expense arising from personal 
liability solely by reason of being or having been a shareholder.  
Thus, the risk of a shareholder incurring financial loss on 
account of shareholder liability is believed to be remote, because 
it would be limited to circumstances in which the disclaimer was 
inoperative and Advisor Trust was unable to meet its obligations.

The risk of a particular series incurring financial loss on 
account of unsatisfied liability of another series of Advisor 
Trust is also believed to be remote, because it would be limited 
to claims to which the disclaimer did not apply and to 
circumstances in which the other series was unable to meet its 
obligations.

             SPECIAL CONSIDERATIONS REGARDING THE 
               MASTER FUND/FEEDER FUND STRUCTURE

Advisor Special Venture Fund, an open-end management investment 
company, seeks to achieve its objective by investing all of its 
assets in shares of another mutual fund having an investment 
objective identical to that of Advisor Special Venture Fund.  The 
initial shareholder of Advisor Special Venture Fund approved this 
policy of permitting Advisor Special Venture Fund to act as a 
feeder fund by investing in Special Venture Portfolio.  Please 
refer to the Investment Policies, Portfolio Investments and 
Strategies, and Investment Restrictions for a description of the 
investment objectives, policies, and restrictions of Advisor 
Special Venture Fund and Special Venture Portfolio.  The 
management and expenses of both Advisor Special Venture Fund and 
Special Venture Portfolio are described under the Fee Table and 
Management.  Advisor Special Venture Fund bears its proportionate 
share of Portfolio expenses.

The Adviser has provided investment management services in 
connection with other mutual funds employing the master 
fund/feeder fund structure since 1991.

SR&F Special Venture Portfolio is a separate series of SR&F Base 
Trust ("Base Trust"), a Massachusetts common law trust organized 
under an Agreement and Declaration of Trust ("Declaration of 
Trust") dated August 23, 1993.  The Declaration of Trust of Base 
Trust provides that Advisor Special Venture Fund and other 
investors in Special Venture Portfolio will each be liable for all 
obligations of Special Venture Portfolio that are not satisfied by 
the Portfolio.  However, the risk of Advisor Special Venture Fund 
incurring financial loss on account of such liability is limited 
to circumstances in which both inadequate insurance existed and 
Special Venture Portfolio itself were unable to meet its 
obligations.  Accordingly, the trustees of Advisor Trust believe 
that neither Advisor Special Venture Fund nor its shareholders 
will be adversely affected by reason of Advisor Special Venture 
Fund's investing in Special Venture Portfolio.  

The Declaration of Trust of Base Trust provides that Special 
Venture Portfolio will terminate 120 days after the withdrawal of 
Advisor Special Venture Fund or any other investor in Special 
Venture Portfolio, unless the remaining investors vote to agree to 
continue the business of Special Venture Portfolio.  The trustees 
of Advisor Trust may vote Advisor Special Venture Fund's interests 
in Special Venture Portfolio for such continuation without 
approval of Advisor Special Venture Fund's shareholders.

The common investment objective of Advisor Special Venture Fund 
and Special Venture Portfolio is non-fundamental and may be 
changed without shareholder approval.  The fundamental policies of 
Advisor Special Venture Fund and the corresponding fundamental 
policies of Special Venture Portfolio can be changed only with 
shareholder approval.

If Advisor Special Venture Fund, as a Portfolio investor, is 
requested to vote on a proposed change in fundamental policy of 
Special Venture Portfolio or any other matter pertaining to 
Special Venture Portfolio (other than continuation of the business 
of Special Venture Portfolio after withdrawal of another 
investor), Advisor Special Venture Fund will solicit proxies from 
its shareholders and vote its interest in Special Venture 
Portfolio for and against such matters proportionately to the 
instructions to vote for and against such matters received from 
Advisor Special Venture Fund shareholders.  Advisor Special 
Venture Fund will vote shares for which it receives no voting 
instructions in the same proportion as the shares for which it 
receives voting instructions.  If there are other investors in 
Special Venture Portfolio, there can be no assurance that any 
matter receiving a majority of votes cast by Fund shareholders 
will receive a majority of votes cast by all Special Venture 
Portfolio investors.  If other investors hold a majority interest 
in Special Venture Portfolio, they could have voting control over 
Special Venture Portfolio.  

In the event that Special Venture Portfolio's fundamental policies 
were changed so as to be inconsistent with those of Advisor 
Special Venture Fund, the Board of Trustees of Advisor Trust would 
consider what action might be taken, including changes to Advisor 
Special Venture Fund's fundamental policies, withdrawal of Advisor 
Special Venture Fund's assets from Special Venture Portfolio and 
investment of such assets in another pooled investment entity, or 
the retention of another investment adviser.  Any of these actions 
would require the approval of Advisor Special Venture Fund's 
shareholders.  Advisor Special Venture Fund's inability to find a 
substitute master fund or comparable investment management could 
have a significant impact upon its shareholders' investments.  Any 
withdrawal of Advisor Special Venture Fund's assets could result 
in a distribution in kind of portfolio securities (as opposed to a 
cash distribution) to Advisor Special Venture Fund.  Should such a 
distribution occur, Advisor Special Venture Fund would incur 
brokerage fees or other transaction costs in converting such 
securities to cash.  In addition, a distribution in kind could 
result in a less diversified portfolio of investments for Advisor 
Special Venture Fund and could affect the liquidity of Advisor 
Special Venture Fund.

Each investor in Special Venture Portfolio, including Advisor 
Special Venture Fund, may add to or reduce its investment in 
Special Venture Portfolio on each day the NYSE is open for 
business.  The investor's percentage of the aggregate interests in 
Special Venture Portfolio will be computed as the percentage equal 
to the fraction (i) the numerator of which is the beginning of the 
day value of such investor's investment in Special Venture 
Portfolio on such day plus or minus, as the case may be, the 
amount of any additions to or withdrawals from the investor's 
investment in Special Venture Portfolio effected on such day; and 
(ii) the denominator of which is the aggregate beginning of the 
day net asset value of Special Venture Portfolio on such day plus 
or minus, as the case may be, the amount of the net additions to 
or withdrawals from the aggregate investments in Special Venture 
Portfolio by all investors in Special Venture Portfolio.  The 
percentage so determined will then be applied to determine the 
value of the investor's interest in Special Venture Portfolio as 
of the close of business.

Base Trust may permit other investment companies and/or other 
institutional investors to invest in Special Venture Portfolio, 
but members of the general public may not invest directly in 
Special Venture Portfolio.  Other investors in Special Venture 
Portfolio are not required to sell their shares at the same public 
offering price as Advisor Special Venture Fund, might incur 
different administrative fees and expenses than Advisor Special 
Venture Fund, and their shares might be sold with a sales 
commission.  Therefore, Advisor Special Venture Fund shareholders 
might have different investment returns than shareholders in 
another investment company that invests exclusively in Special 
Venture Portfolio.  Investment by such other investors in Special 
Venture Portfolio would provide funds for the purchase of 
additional portfolio securities and would tend to reduce the 
Portfolio's operating expenses as a percentage of its net assets.  
Conversely, large-scale redemptions by any such other investors in 
Special Venture Portfolio could result in untimely liquidations of 
Special Venture Portfolio's security holdings, loss of investment 
flexibility, and increases in the operating expenses of Special 
Venture Portfolio as a percentage of its net assets.  As a result, 
Special Venture Portfolio's security holdings may become less 
diverse, resulting in increased risk.

Special Venture Portfolio commenced operations in February 1997 
when Stein Roe Special Venture Fund, a mutual fund that had 
invested directly in securities since 1994, converted into a 
feeder fund by investing all of its assets in the Portfolio.  
Currently Stein Roe Special Venture Fund, which is a series of 
Stein Roe Investment Trust, is the only other investment company 
investing in Special Venture Portfolio.  Information regarding any 
investment company that may invest in Special Venture Portfolio in 
the future may be obtained by writing to SR&F Base Trust, Suite 
3200, One South Wacker Drive, Chicago, Illinois 60606, or by 
calling 800-338-2550.  The Adviser may provide administrative or 
other services to one or more of such investors.

                    FOR MORE INFORMATION

For more information about Advisor Special Venture Fund, contact 
Retirement Services at 800-322-1130 or Advisor/Broker Services at 
800-322-0593.
                      ______________________

The Stein Roe Advisor Funds

Stein Roe Advisor Balanced Fund
Stein Roe Advisor Growth & Income Fund
Stein Roe Advisor Growth Stock Fund
Stein Roe Advisor Young Investor Fund
Stein Roe Advisor Special Fund
Stein Roe Advisor Special Venture Fund
Stein Roe Advisor International Fund


Stein Roe Mutual Funds
P.O. Box 8900
Boston, Massachusetts 02205-8900
Retirement Services: 1-800-322-1130
Adviser/Broker Services: 1-800-322-0593
http://www.steinroe.com

In Chicago, visit our Fund Center at One South Wacker Drive, 
32nd Floor.

Liberty Securities Corporation, Distributor
Member, SIPC



<PAGE> 

   
                 STEIN ROE ADVISOR TRUST
              Stein Roe Advisor Special Fund

        Supplement to February 14, 1997 Prospectus 
                     ________________

     Gerry M. Sandel has been named the portfolio manager of 
SR&F Special Portfolio and senior vice president and 
principal of the Adviser, each as of July 7, 1997.

     Prior to joining the Adviser in July 1997, Mr. Sandel 
was portfolio man-ager of the Marshall Mid-Cap Value Fund and 
its predecessor fund and vice president of M&I Investment 
Management Corporation since October 1993.  Prior thereto, 
Mr. Sandel was vice president of Acorn Asset Management 
Corpo-ration.  A chartered financial analyst, Mr. Sandel 
earned a bachelor's degree in 1977 from the University of 
Southern Mississippi and a master's degree in 1984 from the 
American Graduate School.

     Co-manager Richard B. Peterson now will dedicate his 
time to co-managing SR&F Special Venture Portfolio.  Mr. 
Peterson will continue to be available to work with Mr. 
Sandel during the transition period.

          This Supplement is Dated June 26, 1997

    

<PAGE> 1

STEIN ROE ADVISOR SPECIAL FUND
The investment objective of Advisor Special Fund is to provide 
capital appreciation by investing in securities that are 
considered to have limited downside risk relative to their 
potential for above-average growth, including securities of 
undervalued, underfollowed, or out-of-favor companies.  Advisor 
Special Fund invests all of its net investable assets in 
SR&F Special Portfolio, a portfolio of SR&F Base Trust that has 
the same investment objective and substantially the same 
investment policies as Advisor Special Fund.  (SEE SPECIAL 
CONSIDERATIONS REGARDING MASTER FUND/FEEDER FUND STRUCTURE.)

Shares of Advisor Special Fund may be purchased only through 
Intermediaries, including retirement plan service providers.

Advisor Special Fund has no sales or redemption charges.  Advisor 
Special Fund is a series of Stein Roe Advisor Trust and Special 
Portfolio is a series of SR&F Base Trust.  Each Trust is a 
diversified open-end management investment company.

This prospectus contains information you should know before 
investing in Advisor Special Fund.  Please read it carefully and 
retain it for future reference.

A Statement of Additional Information dated February 14, 1997, 
containing more detailed information, has been filed with the 
Securities and Exchange Commission and (together with any 
supplements thereto) is incorporated herein by reference.  The 
Statement of Additional Information may be obtained without charge 
by writing to Stein Roe Mutual Funds, Suite 3200, One South Wacker 
Drive, Chicago, Illinois 60606, or by calling the Adviser.  For 
additional information, call Retirement Services at 800-322-1130 
or Advisor/Broker Services at 800-322-0593.

MUTUAL FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR 
GUARANTEED BY, ANY BANK OR OTHER DEPOSITORY INSTITUTION.  SHARES 
ARE NOT INSURED BY THE FDIC, THE FEDERAL RESERVE BOARD, OR ANY 
OTHER AGENCY, AND ARE SUBJECT TO INVESTMENT RISK, INCLUDING THE 
POSSIBLE LOSS OF THE PRINCIPAL AMOUNT INVESTED.

THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE 
SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES 
COMMISSION, NOR HAS THE SECURITIES AND EXCHANGE COMMISSION OR ANY 
STATE SECURITIES COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY 
OF THIS PROSPECTUS.  ANY REPRESENTATION TO THE CONTRARY IS A 
CRIMINAL OFFENSE.

         The date of this prospectus is February 14, 1997.


            TABLE OF CONTENTS

                                           Page
Summary...........                          .3
Fee Table .........                       ...4
The Fund.........                         ...6
Investment Policies..........              ..6
Performance Information...........          .7
Risks and Investment Considerations .........8
Investment Restrictions .....................9
Portfolio Investments and Strategies........10
Net Asset Value ............................13
How to Purchase Shares......................14
How to Redeem Shares .......................15
Distributions and Income Taxes..............16
Management .................................17
Organization and Description of Shares......20
Special Considerations Regarding the
  Master Fund/Feeder Fund Structure.........21
For More Information .......................24

                      SUMMARY

Stein Roe Advisor Special Fund ("Advisor Special Fund") is a 
series of Stein Roe Advisor Trust, an open-end diversified 
management investment company organized as a Massachusetts 
business trust.  (See The Fund and Organization and Description of 
Shares.)  This prospectus is not a solicitation in any 
jurisdiction in which shares of Advisor Special Fund are not 
qualified for sale.

INVESTMENT OBJECTIVES AND POLICIES.  The investment objective of 
Advisor Special Fund is to provide capital appreciation by 
investing in securities that are considered to have limited 
downside risk relative to their potential for above-average 
growth, including securities of undervalued, underfollowed, or 
out-of-favor companies.  Advisor Special Fund invests all of its 
net investable assets in SR&F Special Portfolio ("Special 
Portfolio") which has the same investment objective and investment 
policies substantially similar to those of Advisor Special Fund.  
Particular emphasis is placed on securities that are considered to 
have limited downside risk relative to their potential for above-
average growth--including securities of undervalued, underfollowed 
or out-of-favor companies, and companies that are low-cost 
producers of goods or services, financially strong, or run by 
well-respected managers.  Special Portfolio's investments may 
include securities of seasoned, established companies that appear 
to have appreciation potential, as well as securities of 
relatively small, new companies; securities with limited 
marketability; new issues of securities; securities of companies 
that, in the Adviser's opinion, will benefit from management 
change, new technology, new product or service development, or 
change in demand; and other securities that the Adviser believes 
have capital appreciation possibilities.

For a more detailed discussion of the investment objectives and 
policies, please see Investment Policies and Portfolio Investments 
and Strategies.  There is, of course, no assurance that Advisor 
Special Fund and Special Portfolio will achieve their common 
investment objective.

INVESTMENT RISKS.  Advisor Special Fund is designed for long-term 
investors who desire to participate in the stock market with more 
investment risk and volatility than the stock market in general, 
but with less investment risk and volatility than aggressive 
capital appreciation funds.  Special Portfolio may invest in 
foreign securities, which may entail a greater degree of risk than 
investing in securities of domestic issuers.  Please see 
Investment Restrictions and Risks and Investment Considerations 
for further information.

PURCHASES AND REDEMPTIONS.  Shares of Advisor Special Fund may be 
purchased only through Intermediaries, including retirement plan 
service providers.  For information on purchasing and redeeming 
Advisor Special Fund shares, please see How to Purchase Shares, 
How to Redeem Shares, and Management--Distributor.

MANAGEMENT AND FEES.  Stein Roe & Farnham Incorporated (the 
"Adviser") is investment adviser to Special Portfolio.  In 
addition, it provides administrative services to Advisor Special 
Fund and Special Portfolio.  For a description of the Adviser and 
these service arrangements, see Management.

                      FEE TABLE

SHAREHOLDER TRANSACTION EXPENSES
Sales Load Imposed on Purchases.....................None
Sales Load Imposed on Reinvested Dividends..........None
Deferred Sales Load.................................None
Redemption Fees.....................................None
Exchange Fees.......................................None
ANNUAL FUND OPERATING EXPENSES (as a percentage 
  of average net assets; after reimbursement)
Management and Administrative Fees (after 
   reimbursement)...................................0.65%
12b-1 Fees..........................................0.25%
Other Expenses .....................................0.55%
                                                    -----
Total Operating Expenses (after reimbursement)......1.45%
                                                    =====

EXAMPLE.
You would pay the following expenses on a $1,000 investment 
assuming (1) 5% annual return; and (2) redemption at the end of 
each time period:

                  1 year          3 years
                  ------          -------
                   $15              $46

The purpose of the Fee Table is to assist you in understanding the 
various costs and expenses that you will bear directly or 
indirectly as an investor in Advisor Special Fund.  The Fee Table 
reflects the combined expenses of both Advisor Special Fund and 
Special Portfolio.  Anticipated Total Operating Expenses for 
Advisor Special Fund are annualized projections based upon current 
administrative fees and management fees.  Other Expenses are 
estimated amounts for the current fiscal year.  The figures assume 
that the percentage amounts listed under Annual Fund Operating 
Expenses remain the same during each of the periods and that all 
income dividends and capital gain distributions are reinvested in 
additional shares.

From time to time, the Adviser may voluntarily undertake to 
reimburse Advisor Special Fund for a portion of its operating 
expenses and its pro rata share of the fees and expenses payable 
by Special Portfolio.  For the period ending June 30, 1997, the 
Adviser has agreed to reduce the portion of Adviser Special Fund's 
fee payable by Special Portfolio by subtracting 0.05% from the 
applicable annual rate of management fee.  In addition, the 
Adviser has undertaken to reimburse Advisor Special Fund for its 
operating expenses and its pro rata share of Special Portfolio's 
operating expenses to the extent such expenses exceed 1.45% of 
Advisor Special Fund's annual average net assets.  This commitment 
expires on January 31, 1998, subject to earlier review and 
possible termination by the Adviser on 30 days' notice to Advisor 
Special Fund.  Absent the rebate and reimbursement, Advisor 
Special Fund's share of Special Portfolio's Management Fee and the 
Fund Administrative Fee and Total Operating Expenses would be 
0.85% and 1.65%, respectively.  Any such reimbursement will lower 
Advisor Special Fund's overall expense ratio and increase its 
overall return to investors.  (Also see Management--Fees and 
Expenses.)

Advisor Special Fund pays the Adviser an administrative fee based 
on its average daily net assets and Special Portfolio pays the 
Adviser a management fee based on its average daily net assets.  
The trustees of Advisor Trust have considered whether the annual 
operating expenses of Advisor Special Fund, including its share of 
the expenses of Special Portfolio, would be more or less than if 
Advisor Special Fund invested directly in the securities held by 
Special Portfolio, and concluded that Advisor Special Fund's 
expenses would not be materially greater in such case.

The figures in the Example are not necessarily indicative of past 
or future expenses, and actual expenses may be greater or less 
than those shown.  Although information such as that shown in the 
Example and Fee Table is useful in reviewing Advisor Special 
Fund's expenses and in providing a basis for comparison with other 
mutual funds, it should not be used for comparison with other 
investments using different assumptions or time periods.

Because Advisor Special Fund pays a 12b-1 fee, long-term investors 
in Advisor Special Fund may pay more over long periods of time in 
distribution expenses than the maximum front-end sales charge 
permitted by the National Association of Securities Dealers, Inc. 
("NASD").  For further information on Advisor Special Fund's 12b-1 
fee, see Management--Distributor or call your financial 
representative.

                           THE FUND

STEIN ROE ADVISOR SPECIAL FUND ("Advisor Special Fund") is a 
series of Stein Roe Advisor Trust ("Advisor Trust"), which is an 
open-end diversified management investment company authorized to 
issue shares of beneficial interest in separate series.  

Rather than invest in securities directly, Advisor Special Fund 
seeks to achieve its investment objective by using the "master 
fund/feeder fund structure."  Under that structure, a feeder fund 
and one or more feeder funds pool their assets in a master 
portfolio that has the same investment objective and substantially 
the same investment policies as the feeder funds.  (See Special 
Considerations Regarding Master Fund/Feeder Fund Structure.)  
Advisor Special Fund invests all of its net investable assets in 
SR&F Special Portfolio ("Special Portfolio"), which is a 
series of SR&F Base Trust ("Base Trust").  

Stein Roe & Farnham Incorporated (the "Adviser") provides 
portfolio management services to Special Portfolio and 
administrative services to Advisor Special Fund and Special 
Portfolio. 

                    INVESTMENT POLICIES

The investment objective of Advisor Special Fund is to provide 
capital appreciation by investing in securities that are 
considered to have limited downside risk relative to their 
potential for above-average growth, including securities of 
undervalued, underfollowed, or out-of-favor companies.  Advisor 
Special Fund invests all of its net investable assets in Special 
Portfolio, which has the same investment objective and investment 
policies substantially similar to Advisor Special Fund.  Special 
Portfolio may invest in securities of seasoned, established 
companies that appear to have appreciation potential, as well as 
securities of relatively small, new companies.  In addition, it 
may invest in securities with limited marketability; new issues of 
securities; securities of companies that, in the Adviser's 
opinion, will benefit from management change, new technology, new 
product or service development, or change in demand; and other 
securities that the Adviser believes have capital appreciation 
possibilities.  Securities of smaller, newer companies may be 
subject to greater price volatility than securities of larger, 
well-established companies.  In addition, many smaller companies 
are less well known to the investing public and may not be as 
widely followed by the investment community.  Although Special 
Portfolio invests primarily in common stocks, it may also invest 
in other equity-type securities, including preferred stocks and 
securities convertible into equity securities.

Further information on investment techniques that may be employed 
by Special Portfolio and the risks associated with such techniques 
may be found under Risks and Investment Considerations and 
Portfolio Investments and Strategies in this prospectus and in the 
Statement of Additional Information.  

                     PERFORMANCE INFORMATION

The total return from an investment in Advisor Special Fund is 
measured by the distributions received (assuming reinvestment), 
plus or minus the change in the net asset value per share for a 
given period.  A total return percentage may be calculated by 
dividing the value of a share at the end of the period (including 
reinvestment of distributions) by the value of the share at the 
beginning of the period and subtracting one.  For a given period, 
an average annual total return may be calculated by finding the 
average annual compounded rate that would equate a hypothetical 
$1,000 investment to the ending redeemable value.

Comparison of Advisor Special Fund's total return with alternative 
investments should consider differences between the Fund and the 
alternative investments, the periods and methods used in 
calculation of the return being compared, and the impact of taxes 
on alternative investments.  Of course, past performance is not 
necessarily indicative of future results.  Share prices may vary, 
and your shares when redeemed may be worth more or less than your 
original purchase price.

As of the date of this Prospectus, Advisor Special Fund had no 
past performance.  However, Stein Roe Special Fund, a different 
Stein Roe Fund which is a series of Stein Roe Investment Trust and 
has a similar name, the same investment objective and 
substantially the same investment policies as Advisor Special 
Fund, also invests all of its net investable assets in Special 
Portfolio.  The  average annual total returns for the periods ended 
September 30, 1996, for 1-year, 5-year and 10-year investments in 
Stein Roe Special Fund were 17.89%, 13.85% and 15.53%, 
respectively.  Stein Roe Special Fund has a different fee 
structure than Advisor Special Fund, and does not pay 12b-1 fees.  
Had these fees been reflected, the total returns shown in the 
table would have been lower.  The information shown above reflects 
the performance of Stein Roe Special Fund, and should not be 
interpreted as indicative of Advisor Special Fund's future 
performance.

                RISKS AND INVESTMENT CONSIDERATIONS

Advisor Special Fund is designed for long-term investors who 
desire to participate in the stock market with more investment 
risk and volatility than the stock market in general, but with 
less investment risk and volatility than aggressive capital 
appreciation funds.  Special Portfolio usually allocates its 
investments among a number of different industries rather than 
concentrating in a particular industry or group of industries, but 
this does not eliminate all risk.  It will not, however, invest 
more than 25% of the total value of its assets (at the time of 
investment) in the securities of companies in any one industry.  
There can be no guarantee that Advisor Special Fund or Special 
Portfolio will achieve its objective.

Special Portfolio may invest up to 35% of its total assets in debt 
securities.  Debt securities rated in the fourth highest grade may 
have some speculative characteristics, and changes in economic 
conditions or other circumstances may lead to a weakened capacity 
of the issuers of such securities to make principal and interest 
payments.  Securities rated below investment grade may possess 
speculative characteristics, and changes in economic conditions 
are more likely to affect the issuer's capacity to pay interest or 
repay principal.

Special Portfolio may invest up to 25% of its total assets in 
foreign securities.  For purposes of this limit, foreign 
securities exclude American Depositary Receipts (ADRs), foreign 
debt securities denominated in U.S. dollars, and securities 
guaranteed by a U.S. person.  Investment in foreign securities may 
represent a greater degree of risk (including risk related to 
exchange rate fluctuations, tax provisions, exchange and currency 
controls, and expropriation of assets) than investment in 
securities of domestic issuers.  Other risks of foreign investing 
include less complete financial information on issuers, different 
accounting, auditing and financial reporting standards, different 
settlement practices, less market liquidity, more market 
volatility, less developed and regulated markets, and greater 
political instability.  In addition, various restrictions by 
foreign governments on investments by nonresidents may apply, 
including imposition of exchange controls and withholding taxes on 
dividends, and seizure or nationalization of investments owned by 
nonresidents.  Foreign investments also tend to involve higher 
transaction and custody costs.

Further information on investment techniques that may be employed 
by Special Portfolio may be found under Portfolio Investments and 
Strategies.

                    INVESTMENT RESTRICTIONS

Neither Advisor Special Fund nor Special Portfolio may invest more 
than 5% of their assets in the securities of any one issuer.  This 
restriction applies only to 75% of the investment portfolio, and 
does not apply to securities of the U.S. Government or repurchase 
agreements /1/ for such securities.  This restriction also does 
not prevent Advisor Special Fund from investing all of its assets 
in shares of another investment company having the identical 
investment objective under a master/feeder structure.
- ----------------
/1/ A repurchase agreement involves a sale of securities to 
Special Portfolio in which the seller agrees to repurchase the 
securities at a higher price, which includes an amount 
representing interest on the purchase price, within a specified 
time.  In the event of bankruptcy of the seller, Special Portfolio 
could experience both losses and delays in liquidating its 
collateral.
- ----------------

Neither Advisor Special Fund nor Special Portfolio will acquire 
more than 10% of the outstanding voting securities of any one 
issuer.  Advisor Special Fund may, however, invest all of its 
assets in shares of another investment company having the 
identical investment objective under a master/feeder structure.

Neither Advisor Special Fund nor Special Portfolio may make loans 
except that it may (1) purchase money market instruments and enter 
into repurchase agreements; (2) acquire publicly distributed or 
privately placed debt securities; (3) lend its portfolio 
securities under certain conditions; and (4) participate in an 
interfund lending program with other Stein Roe Funds and 
Portfolios.  Advisor Special Fund and Special Portfolio may not 
borrow money, except for nonleveraging, temporary, or emergency 
purposes or in connection with participation in the interfund 
lending program.  Neither the aggregate borrowings (including 
reverse repurchase agreements) nor the aggregate loans at any one 
time may exceed 33 1/3% of the value of total assets.  Additional 
securities may not be purchased when borrowings less proceeds 
receivable from sales of portfolio securities exceed 5% of total 
assets.

Advisor Special Fund and Special Portfolio may invest in 
repurchase agreements, provided that neither will invest more than 
15% of its net assets in illiquid securities, including repurchase 
agreements maturing in more than seven days.

The policies summarized in the third paragraph under this section 
and the policy with respect to concentration of investments in any 
one industry described under Risks and Investment Considerations 
are fundamental policies of Advisor Special Fund and Special 
Portfolio and, as such, can be changed only with the approval of a 
"majority of the outstanding voting securities" as defined in the 
Investment Company Act of 1940.  The common investment objective 
of Advisor Special Fund and Special Portfolio is nonfundamental 
and, as such, may be changed by the Board of Trustees without 
shareholder approval.  All of the investment restrictions are set 
forth in the Statement of Additional Information.

                PORTFOLIO INVESTMENTS AND STRATEGIES

DEBT SECURITIES.
Special Portfolio may invest up to 35% of its net assets in debt 
securities, but does not expect to invest more than 5% of its net 
assets in debt securities that are rated below investment grade 
and that, on balance, are considered predominantly speculative 
with respect to the issuer's capacity to pay interest and repay 
principal according to the terms of the obligation and, therefore, 
carry greater investment risk, including the possibility of issuer 
default and bankruptcy.  When the Adviser deems a temporary 
defensive position advisable, Special Portfolio may invest, 
without limitation, in high-quality fixed income securities, or 
hold assets in cash or cash equivalents.

FOREIGN SECURITIES.
Special Portfolio may invest in sponsored or unsponsored ADRs.  In 
addition to, or in lieu of, such direct investment, Special 
Portfolio may construct a synthetic foreign debt position by (a) 
purchasing a debt instrument denominated in one currency, 
generally U.S. dollars; and (b) concurrently entering into a 
forward contract to deliver a corresponding amount of that 
currency in exchange for a different currency on a future date and 
at a specified rate of exchange.  Because of the availability of a 
variety of highly liquid U.S. dollar debt instruments, a synthetic 
foreign debt position utilizing such U.S. dollar instruments may 
offer greater liquidity than direct investment in foreign currency 
debt instruments.  

In connection with the purchase of foreign securities, Special 
Portfolio may enter into foreign currency forward and futures 
contracts to hedge the currency risk in settlement of a particular 
security transaction or relative to the entire portfolio.  A 
forward contract to purchase an amount of foreign currency 
sufficient to pay the purchase price of securities at settlement 
date involves the risk that the value of the foreign currency may 
decline relative to the value of the dollar prior to the 
settlement date.  This risk is in addition to the risk that the 
value of the foreign security purchased may decline.  Special 
Portfolio also may enter into foreign currency contracts as a 
hedging technique to limit or reduce exposure of the entire 
portfolio to currency fluctuations.  In addition, Special 
Portfolio may use options and futures contracts, as described 
below, to limit or reduce exposure to currency fluctuations. 

CONVERTIBLE SECURITIES.
By investing in convertible securities, Special Portfolio obtains 
the right to benefit from the capital appreciation potential in 
the underlying stock upon exercise of the conversion right, while 
earning higher current income than would be available if the stock 
were purchased directly.  In determining whether to purchase a 
convertible, the Adviser will consider substantially the same 
criteria that would be considered in purchasing the underlying 
stock.  Although convertible securities are frequently rated 
investment grade, Special Portfolio also may purchase unrated 
securities or securities rated below investment grade if the 
securities meet the Adviser's other investment criteria.  
Convertible securities rated below investment grade tend to be 
more sensitive to interest rate and economic changes, may be 
obligations of issuers who are less creditworthy than issuers of 
higher quality convertible securities, and may be more thinly 
traded due to the fact that such securities are less well known to 
investors than either common stock or conventional debt 
securities.  As a result, the Adviser's own investment research 
and analysis tends to be more important than other factors in the 
purchase of convertible securities.

LENDING PORTFOLIO SECURITIES; WHEN-ISSUED AND DELAYED-DELIVERY 
SECURITIES.
Special Portfolio may make loans of its portfolio securities to 
broker-dealers and banks subject to certain restrictions described 
in the Statement of Additional Information.  Special Portfolio may 
participate in an interfund lending program, subject to certain 
restrictions described in the Statement of Additional Information.  
Special Portfolio may invest in securities purchased on a when-
issued or delayed-delivery basis.  Although the payment terms of 
these securities are established at the time Special Portfolio 
enters into the commitment, the securities may be delivered and 
paid for a month or more after the date of purchase, when their 
value may have changed.  Special Portfolio will make such 
commitments only with the intention of actually acquiring the 
securities, but may sell the securities before settlement date if 
it is deemed advisable for investment reasons.  

SHORT SALES AGAINST THE BOX.  
Special Portfolio may sell short securities it owns or has the 
right to acquire without further consideration, using a technique 
called selling short "against the box."  Short sales against the 
box may protect Special Portfolio against the risk of losses in 
the value of its portfolio securities because any unrealized 
losses with respect to such securities should be wholly or partly 
offset by a corresponding gain in the short position.  However, 
any potential gains in such securities should be wholly or 
partially offset by a corresponding loss in the short position.  
Short sales against the box may be used to lock in a profit on a 
security when, for tax reasons or otherwise, the Adviser does not 
want to sell the security.  Special Portfolio does not expect to 
commit more than 5% of its net assets to short sales against the 
box.  For a more complete explanation, please refer to the 
Statement of Additional Information.

DERIVATIVES.
Consistent with its objective, Special Portfolio may invest in a 
broad array of financial instruments and securities, including 
conventional exchange-traded and non-exchange-traded options, 
futures contracts, futures options, securities collateralized by 
underlying pools of mortgages or other receivables, floating rate 
instruments, and other instruments that securitize assets of 
various types ("Derivatives").  In each case, the value of the 
instrument or security is "derived" from the performance of an 
underlying asset or a "benchmark" such as a security index, an 
interest rate, or a currency.  Special Portfolio does not expect 
to invest more than 5% of its net assets in any type of Derivative 
except for options, futures contracts, and futures options.

In seeking to achieve its desired investment objective, provide 
additional revenue, or to hedge against changes in security 
prices, interest rates or currency fluctuations, Special Portfolio 
may: (1) purchase and write both call options and put options on 
securities, indexes and foreign currencies; (2) enter into 
interest rate, index and foreign currency futures contracts; (3) 
write options on such futures contracts; and (4) purchase other 
types of forward or investment contracts linked to individual 
securities, indexes or other benchmarks.  Special Portfolio may 
write a call or put option only if the option is covered.  As the 
writer of a covered call option, Special Portfolio foregoes, 
during the option's life, the opportunity to profit from increases 
in market value of the security covering the call option above the 
sum of the premium and the exercise price of the call.  There can 
be no assurance that a liquid market will exist when Special 
Portfolio seeks to close out a position.  In addition, because 
futures positions may require low margin deposits, the use of 
futures contracts involves a high degree of leverage and may 
result in losses in excess of the amount of the margin deposit. 

Derivatives are most often used to manage investment risk or to 
create an investment position indirectly because they are more 
efficient or less costly than direct investment.  They also may be 
used in an effort to enhance portfolio returns.

The successful use of Derivatives depends on the Adviser's ability 
to correctly predict changes in the levels and directions of 
movements in security prices, interest rates and other market 
factors affecting the Derivative itself or the value of the 
underlying asset or benchmark.  In addition, correlations in the 
performance of an underlying asset to a Derivative may not be well 
established.  Finally, privately negotiated and over-the-counter 
Derivatives may not be as well regulated and may be less 
marketable than exchange-traded Derivatives.  For additional 
information on Derivatives, please refer to the Statement of 
Additional Information.

PORTFOLIO TURNOVER.
Although Special Portfolio does not purchase securities with a 
view to rapid turnover, there are no limitations on the length of 
time portfolio securities must be held.  Accordingly, the 
portfolio turnover rate may vary significantly from year to year, 
but is not expected to exceed 100% under normal market conditions.  
At times the Fund may invest for short-term capital appreciation.  
Flexibility of investment and emphasis on capital appreciation may 
involve greater portfolio turnover than that of mutual funds that 
have the objectives of income or maintenance of a balanced 
investment position.  A high rate of portfolio turnover may result 
in increased transaction expenses and the realization of capital 
gains and losses.  (See Distributions and Income Taxes.)

                      NET ASSET VALUE

The purchase and redemption price of Advisor Special Fund's shares 
is its net asset value per share.  Advisor Special Fund determines 
the net asset value of its shares as of the close of trading on 
the New York Stock Exchange ("NYSE") (currently 3:00 p.m., central 
time) by dividing the difference between the value of its assets 
and liabilities by the number of shares outstanding.  Special 
Portfolio allocates net asset value, income, and expenses to 
Advisor Special Fund and any other of its feeder funds in 
proportion to their respective interests in Special Portfolio.

Net asset value will not be determined on days when the NYSE is 
closed unless, in the judgment of the Board of Trustees, the net 
asset value of Advisor Special Fund should be determined on any 
such day, in which case the determination will be made at 3:00 
p.m., central time.

Each security traded on a national stock exchange is valued at its 
last sale price on that exchange on the day of valuation or, if 
there are no sales that day, at the latest bid quotation.  Each 
over-the-counter security for which the last sale price on the day 
of valuation is available from NASDAQ is valued at that price.  
All other over-the-counter securities for which reliable 
quotations are available are valued at the latest bid quotation.

Long-term straight-debt obligations and securities convertible 
into stocks are valued at a fair value using a procedure 
determined in good faith by the Board of Trustees.  Pricing 
services approved by the Board provide valuations (some of which 
may be "readily available market quotations").  These valuations 
are reviewed by the Adviser.  If the Adviser believes that a 
valuation received from the service does not represent a fair 
value, it values the obligation using a method that the Board 
believes represents fair value.  The Board may approve the use of 
other pricing services and any pricing service used may employ 
electronic data processing techniques, including a so-called 
"matrix" system, to determine valuations.  Other assets and 
securities are valued by a method that the Board believes 
represents fair value.

                    HOW TO PURCHASE SHARES

You may purchase Advisor Special Fund shares only through broker-
dealers, banks, or other intermediaries, including retirement plan 
service providers ("Intermediaries").  The Adviser and Advisor 
Special Fund do not recommend, endorse, or receive payments from 
any Intermediary.  

PURCHASE PRICE AND EFFECTIVE DATE.  Each purchase of Advisor 
Special Fund's shares is made at Advisor Special Fund's net asset 
value (see Net Asset Value) next determined after receipt by the 
Fund or through an authorized agent of an order in good form, 
including receipt of payment.

CONDITIONS OF PURCHASE.  Each purchase order for Advisor Special 
Fund must be accepted by an authorized officer of Advisor Trust or 
its authorized agent and is not binding until accepted and entered 
on the books of Advisor Special Fund.  Once your purchase order 
has been accepted, you may not cancel or revoke it; you may, 
however, redeem the shares.  Advisor Trust reserves the right not 
to accept any purchase order that it determines not to be in the 
best interests of Advisor Trust or of Advisor Special Fund's 
shareholders.  

PURCHASES THROUGH INTERMEDIARIES.  You must purchase shares 
through Intermediaries.  These Intermediaries may charge for their 
services or place limitations on the extent to which you may use 
the services offered by Advisor Trust.  In addition, each 
Intermediary will establish its own procedures for the purchase of 
shares of Advisor Special Fund, including minimum initial and 
additional investments, and the acceptable methods of payment for 
shares.  Your Intermediary may be closed on days when the NYSE is 
open.  As a result, prices of Fund shares may be significantly 
affected on days when you have no access to your Intermediary to 
buy shares.  If you wish to purchase shares, please contact your 
Intermediary for instructions.

Retirement Plans.  If you purchase shares through a retirement 
plan, you should be aware that retirement plan administrators may 
aggregate purchase and redemption orders for participants in the 
plan.  Therefore, there may be a delay between the time you place 
your order with the plan administrator and the time the order is 
forwarded for execution.

                    HOW TO REDEEM SHARES

You may redeem shares only through Intermediaries.  Each 
Intermediary will establish its own procedures for the sale of 
shares of Advisor Special Fund.  Your Intermediary may be closed 
on days when the NYSE is open.  As a result, prices for Fund 
shares may be significantly affected on days when you have no 
access to your Intermediary to sell shares.  If you wish to redeem 
shares through an Intermediary, please contact the Intermediary 
for instructions.

EXCHANGE PRIVILEGE.  Through an account with an Intermediary, you 
may redeem all or any portion of your Advisor Special Fund shares 
and use the proceeds to purchase shares of any other Fund that is 
a series of Advisor Trust offered for sale in the state in which 
the Intermediary is located.  Each Intermediary will establish its 
own exchange policies and procedures.  In particular, individual 
participants of qualified retirement plans may exchange shares 
through the plan sponsor or administrator.  Those participants may 
exchange shares only for shares of other Advisor Trust Funds that 
are included in the plan.  An exchange transaction is 
a sale and purchase of shares for federal income tax purposes and 
may result in capital gain or loss.  Before exchanging into 
another Advisor Trust Fund, you should obtain the prospectus for 
the Advisor Trust Fund in which you wish to invest and read it 
carefully.  The registration of the account to which you are 
making an exchange must be exactly the same as that of the account 
from which the exchange is made.  Advisor Special Fund reserves 
the right to suspend, limit, modify, or terminate the Exchange 
Privilege or its use in any manner by any person or class; 
Intermediaries would be notified of such a change.

GENERAL REDEMPTION POLICIES.  Redemption instructions may not be 
cancelled or revoked once they have been received and accepted by 
Advisor Trust.  Advisor Trust cannot accept a redemption request 
that specifies a particular date or price for redemption or any 
special conditions.  

The price at which your redemption order will be executed is the 
net asset value next determined after proper redemption 
instructions are received by the Intermediary.   (See Net Asset 
Value.)  Because the redemption price you receive depends upon 
Advisor Special Fund's net asset value per share at the time of 
redemption, it may be more or less than the price you originally 
paid for the shares and may result in a realized capital gain or 
loss.

Advisor Trust will pay redemption proceeds as soon as practicable, 
and in no event later than seven days after proper instructions 
are received by Advisor Special Fund or its authorized agent.  

                  DISTRIBUTIONS AND INCOME TAXES

DISTRIBUTIONS.  Income dividends are declared and paid annually.  
Advisor Special Fund intends to distribute by the end of each 
calendar year at least 98% of any net capital gains realized from 
the sale of securities during the twelve-month period ended 
October 31 in that year.  Advisor Special Fund intends to 
distribute any undistributed net investment income and net 
realized capital gains in the following year.

All income dividends and capital gain distributions on shares of 
Advisor Special Fund will be reinvested in additional shares 
unless your Intermediary elects to have distributions paid by 
check.  Reinvestment normally occurs on the payable date.  

INCOME TAXES.  For federal income tax purposes, Advisor Special 
Fund is treated as a separate taxable entity distinct from the 
other series of Advisor Trust.  Special Portfolio intends to 
qualify for the special tax treatment afforded regulated 
investment companies under Subchapter M of the Internal Revenue 
Code, so that it will be relieved of federal income tax on that 
part of its net investment income and net capital gain that is 
distributed to shareholders.

Advisor Special Fund will distribute substantially all of its 
ordinary income and net capital gains on a current basis.  
Generally distributions are taxable as ordinary income, except 
that any distributions of net long-term capital gains will be 
taxed as such.  However, distributions by Advisor Special Fund to 
plans that qualify for tax-exempt treatment under federal income 
tax laws will not be taxable.  Special tax rules apply to 
investments through such plans.

This section is not intended to be a full discussion of income tax 
laws and their effect on shareholders.  You may wish to consult 
your own tax advisor.

                           MANAGEMENT

TRUSTEES AND INVESTMENT ADVISER.  The Board of Trustees of Advisor 
Trust and the Board of Trustees of Base Trust have overall 
management responsibility for Advisor Special Fund and Special 
Portfolio, respectively.  See Management in the Statement of 
Additional Information for the names of and other information 
about the trustees and officers.  Since Advisor Trust and Base 
Trust have the same trustees, the trustees have adopted conflict 
of interest procedures to monitor and address potential conflicts 
between the interests of Advisor Special Fund and Special 
Portfolio and other feeder funds investing in Special Portfolio 
that share a common Board of Trustees with Advisor Trust and Base 
Trust.

The Adviser, Stein Roe & Farnham Incorporated, One South Wacker 
Drive, Chicago, Illinois 60606, is responsible for managing the 
investment portfolio of Special Portfolio and the business affairs 
of Advisor Special Fund, Special Portfolio, Advisor Trust, and 
Base Trust, subject to the direction of the respective Board.  The 
Adviser is registered as an investment adviser under the 
Investment Advisers Act of 1940.  The Adviser was organized in 
1986 to succeed to the business of Stein Roe & Farnham, a 
partnership that had advised and managed mutual funds since 1949.  
The Adviser is a wholly owned subsidiary of Liberty Financial 
Companies, Inc. ("Liberty Financial"), which in turn is a majority 
owned indirect subsidiary of Liberty Mutual Insurance Company.

PORTFOLIO MANAGERS.  E. Bruce Dunn and Richard B. Peterson have 
been co-portfolio managers of Special Portfolio since its 
inception in 1997 and had managed its predecessor since 1991.  
Each is a senior vice president of the Adviser.  Mr. Dunn has been 
associated with the Adviser since 1964.  He received his A.B. 
degree from Yale University (1956) and his M.B.A. from Harvard 
University (1958) and is a chartered investment counselor.  Mr. 
Peterson, who began his investment career with the Adviser in 1965 
after graduating with a B.A. from Carleton College (1962) and the 
Woodrow Wilson School at Princeton University with a Masters in 
Public Administration (1964), rejoined the Adviser in 1991 after 
15 years of equity research and portfolio management experience 
with State Farm Investment Management Corp.  As of December 31, 
1996, Messrs. Dunn and Peterson were responsible for co-managing 
$1.5 billion in mutual net fund assets.

FEES AND EXPENSES.  The Adviser is entitled to receive a monthly 
administrative fee from Advisor Special Fund, computed and accrued 
daily, at an annual rate of 0.15% of the first $500 million of 
average net assets, 0.125% of the next $500 million, and 0.10% 
thereafter; and a monthly management fee from Special Portfolio, 
computed and accrued daily, at an annual rate of 0.75% of the 
first $500 million of average net assets, 0.70% of the next $500 
million, 0.65% of the next $500 million, and 0.60% thereafter.  
However, as noted above under Fee Table, the Adviser may 
voluntarily undertake to reimburse Advisor Special Fund for a 
portion of its operating expenses and its pro rata share of 
Special Portfolio's operating expenses.

The Adviser provides office space and executive and other 
personnel to Advisor Trust and Base Trust.  All expenses of 
Advisor Special Fund (other than those paid by the Adviser), 
including, but not limited to, printing and postage charges, 
securities registration fees, custodian and transfer agency fees, 
legal and auditing fees, compensation of trustees not affiliated 
with the Adviser, and expenses incidental to its organization, are 
paid out of the assets of Advisor Special Fund.

Under a separate agreement with each Trust, the Adviser provides 
certain accounting and bookkeeping services to Advisor Special 
Fund and Special Portfolio including computation of net asset 
value and calculation of its net income and capital gains and 
losses on disposition of assets.

In addition, the Adviser is free to make additional payments out 
of its own assets to promote the sale of shares of Advisor Special 
Fund.

PORTFOLIO TRANSACTIONS.  The Adviser places the orders for the 
purchase and sale of portfolio securities and options and futures 
contracts for Special Portfolio.  In doing so, the Adviser seeks 
to obtain the best combination of price and execution, which 
involves a number of judgmental factors.

TRANSFER AGENT AND SHAREHOLDER SERVICES.  SteinRoe Services Inc. 
("SSI"), One South Wacker Drive, Chicago, Illinois 60606, a wholly 
owned subsidiary of Liberty Financial, is the agent of Advisor 
Trust for the transfer of shares, disbursement of dividends, and 
maintenance of shareholder accounting records. 

Some Intermediaries that maintain nominee accounts with Advisor 
Special Fund for their clients who are Fund shareholders may be 
paid a fee from SSI of up to 0.25% of the average net assets held 
in such accounts for shareholder servicing and accounting services 
they provide with respect to the underlying Fund shares.  

DISTRIBUTOR.  The shares of Advisor Special Fund are offered for 
sale through Liberty Securities Corporation ("Distributor") 
without any sales commissions.  The Distributor is a wholly owned 
indirect subsidiary of Liberty Financial.  The business address of 
the Distributor is 600 Atlantic Avenue, Boston, Massachusetts 
02210; however, all Fund correspondence (including purchase and 
redemption orders) should be mailed to SteinRoe Services Inc. at 
P.O. Box 8900, Boston, Massachusetts 02205.  

The trustees of Advisor Trust have adopted a plan pursuant to Rule 
12b-1 under the Investment Company Act of 1940 ("Plan").  The Plan 
provides that, as compensation for the promotion and distribution 
of shares of Advisor Special Fund including its expenses related 
to the sale and promotion of Fund shares, the Distributor receives 
from Advisor Special Fund a fee at an annual rate of 0.25% of its 
average net assets.  The Distributor generally pays this amount to 
institutions that distribute Advisor Special Fund shares and 
provide services to Advisor Special Fund and its shareholders.  
Those institutions may use the payments for, among other purposes, 
compensating employees engaged in sales and/or shareholder 
servicing.  The amount of fees paid by Advisor Special Fund during 
any year may be more or less than the cost of distribution or 
other services provided to Advisor Special Fund.  NASD rules limit 
the amount of annual distribution fees that may be paid by a 
mutual fund and impose a ceiling on the cumulative distribution 
fees paid.  Advisor Trust's Plan complies with those rules.

CUSTODIAN.  State Street Bank and Trust Company (the "Bank"), 225 
Franklin Street, Boston, Massachusetts 02101, is the custodian for 
Advisor Special Fund and Special Portfolio.  Foreign securities 
are maintained in the custody of foreign banks and trust companies 
that are members of the Bank's Global Custody Network or foreign 
depositories used by such members.  (See Custodian in the 
Statement of Additional Information.)

              ORGANIZATION AND DESCRIPTION OF SHARES

Advisor Trust is a Massachusetts business trust organized under an 
Agreement and Declaration of Trust ("Declaration of Trust") dated 
July 31, 1996, which provides that each shareholder shall be 
deemed to have agreed to be bound by the terms thereof.  The 
Declaration of Trust may be amended by a vote of either Advisor 
Trust's shareholders or its trustees.  Advisor Trust may issue an 
unlimited number of shares, in one or more series as the Board may 
authorize.  Currently, seven series are authorized and outstanding.

Under Massachusetts law, shareholders of a Massachusetts business 
trust such as Advisor Trust could, in some circumstances, be held 
personally liable for unsatisfied obligations of Advisor Trust.  
The Declaration of Trust provides that persons extending credit 
to, contracting with, or having any claim against, Advisor Trust 
or any particular series shall look only to the assets of Advisor 
Trust or of the respective series for payment under such credit, 
contract or claim, and that the shareholders, trustees and 
officers of Advisor Trust shall have no personal liability 
therefor.  The Declaration of Trust requires that notice of such 
disclaimer of liability be given in each contract, instrument or 
undertaking executed or made on behalf of Advisor Trust.  The 
Declaration of Trust provides for indemnification of any 
shareholder against any loss and expense arising from personal 
liability solely by reason of being or having been a shareholder.  
Thus, the risk of a shareholder incurring financial loss on 
account of shareholder liability is believed to be remote, because 
it would be limited to circumstances in which the disclaimer was 
inoperative and Advisor Trust was unable to meet its obligations.

The risk of a particular series incurring financial loss on 
account of unsatisfied liability of another series of Advisor 
Trust is also believed to be remote, because it would be limited 
to claims to which the disclaimer did not apply and to 
circumstances in which the other series was unable to meet its 
obligations.

           SPECIAL CONSIDERATIONS REGARDING THE 
            MASTER FUND/FEEDER FUND STRUCTURE

Advisor Special Fund, an open-end management investment company, 
seeks to achieve its objective by investing all of its assets in 
shares of another mutual fund having an investment objective 
identical to that of Advisor Special Fund.  The initial 
shareholder of Advisor Special Fund approved this policy of 
permitting Advisor Special Fund to act as a feeder fund by 
investing in Special Portfolio.  Please refer to the Investment 
Policies, Portfolio Investments and Strategies, and Investment 
Restrictions for a description of the investment objectives, 
policies, and restrictions of Advisor Special Fund and Special 
Portfolio.  The management and expenses of both Advisor Special 
Fund and Special Portfolio are described under the Fee Table and 
Management.  Advisor Special Fund bears its proportionate share of 
Portfolio expenses.

The Adviser has provided investment management services in 
connection with other mutual funds employing the master 
fund/feeder fund structure since 1991.

SR&F Special Portfolio is a separate series of SR&F Base Trust 
("Base Trust"), a Massachusetts common law trust organized under 
an Agreement and Declaration of Trust ("Declaration of Trust") 
dated August 23, 1993.  The Declaration of Trust of Base Trust 
provides that Advisor Special Fund and other investors in Special 
Portfolio will each be liable for all obligations of Special 
Portfolio that are not satisfied by the Portfolio.  However, the 
risk of Advisor Special Fund incurring financial loss on account 
of such liability is limited to circumstances in which both 
inadequate insurance existed and Special Portfolio itself were 
unable to meet its obligations.  Accordingly, the trustees of 
Advisor Trust believe that neither Advisor Special Fund nor its 
shareholders will be adversely affected by reason of Advisor 
Special Fund's investing in Special Portfolio.  

The Declaration of Trust of Base Trust provides that Special 
Portfolio will terminate 120 days after the withdrawal of Advisor 
Special Fund or any other investor in Special Portfolio, unless 
the remaining investors vote to agree to continue the business of 
Special Portfolio.  The trustees of Advisor Trust may vote Advisor 
Special Fund's interests in Special Portfolio for such 
continuation without approval of Advisor Special Fund's 
shareholders.

The common investment objective of Advisor Special Fund and 
Special Portfolio is non-fundamental and may be changed without 
shareholder approval.  The fundamental policies of Advisor Special 
Fund and the corresponding fundamental policies of Special 
Portfolio can be changed only with shareholder approval.

If Advisor Special Fund, as a Portfolio investor, is requested to 
vote on a proposed change in fundamental policy of Special 
Portfolio or any other matter pertaining to Special Portfolio 
(other than continuation of the business of Special Portfolio 
after withdrawal of another investor), Advisor Special Fund will 
solicit proxies from its shareholders and vote its interest in 
Special Portfolio for and against such matters proportionately to 
the instructions to vote for and against such matters received 
from Advisor Special Fund shareholders.  Advisor Special Fund will 
vote shares for which it receives no voting instructions in the 
same proportion as the shares for which it receives voting 
instructions.  If there are other investors in Special Portfolio, 
there can be no assurance that any matter receiving a majority of 
votes cast by Fund shareholders will receive a majority of votes 
cast by all Special Portfolio investors.  If other investors hold 
a majority interest in Special Portfolio, they could have voting 
control over Special Portfolio.  

In the event that Special Portfolio's fundamental policies were 
changed so as to be inconsistent with those of Advisor Special 
Fund, the Board of Trustees of Advisor Trust would consider what 
action might be taken, including changes to Advisor Special Fund's 
fundamental policies, withdrawal of Advisor Special Fund's assets 
from Special Portfolio and investment of such assets in another 
pooled investment entity, or the retention of another investment 
adviser.  Any of these actions would require the approval of 
Advisor Special Fund's shareholders.  Advisor Special Fund's 
inability to find a substitute master fund or comparable 
investment management could have a significant impact upon its 
shareholders' investments.  Any withdrawal of Advisor Special 
Fund's assets could result in a distribution in kind of portfolio 
securities (as opposed to a cash distribution) to Advisor Special 
Fund.  Should such a distribution occur, Advisor Special Fund 
would incur brokerage fees or other transaction costs in 
converting such securities to cash.  In addition, a distribution 
in kind could result in a less diversified portfolio of 
investments for Advisor Special Fund and could affect the 
liquidity of Advisor Special Fund.

Each investor in Special Portfolio, including Advisor Special 
Fund, may add to or reduce its investment in Special Portfolio on 
each day the NYSE is open for business.  The investor's percentage 
of the aggregate interests in Special Portfolio will be computed 
as the percentage equal to the fraction (i) the numerator of which 
is the beginning of the day value of such investor's investment in 
Special Portfolio on such day plus or minus, as the case may be, 
the amount of any additions to or withdrawals from the investor's 
investment in Special Portfolio effected on such day; and (ii) the 
denominator of which is the aggregate beginning of the day net 
asset value of Special Portfolio on such day plus or minus, as the 
case may be, the amount of the net additions to or withdrawals 
from the aggregate investments in Special Portfolio by all 
investors in Special Portfolio.  The percentage so determined will 
then be applied to determine the value of the investor's interest 
in Special Portfolio as of the close of business.

Base Trust may permit other investment companies and/or other 
institutional investors to invest in Special Portfolio, but 
members of the general public may not invest directly in Special 
Portfolio.  Other investors in Special Portfolio are not required 
to sell their shares at the same public offering price as Advisor 
Special Fund, might incur different administrative fees and 
expenses than Advisor Special Fund, and their shares might be sold 
with a sales commission.  Therefore, Advisor Special Fund 
shareholders might have different investment returns than 
shareholders in another investment company that invests 
exclusively in Special Portfolio.  Investment by such other 
investors in Special Portfolio would provide funds for the 
purchase of additional portfolio securities and would tend to 
reduce the Portfolio's operating expenses as a percentage of its 
net assets.  Conversely, large-scale redemptions by any such other 
investors in Special Portfolio could result in untimely 
liquidations of Special Portfolio's security holdings, loss of 
investment flexibility, and increases in the operating expenses of 
Special Portfolio as a percentage of its net assets.  As a result, 
Special Portfolio's security holdings may become less diverse, 
resulting in increased risk.

Special Portfolio commenced operations in February 1997 when Stein 
Roe Special Fund, a mutual fund that, together with its corporate 
predecessor, had invested directly in securities since 1968, 
converted into a feeder fund by investing all of its assets in the 
Portfolio.  Currently Stein Roe Special Fund, which is a series of 
Stein Roe Investment Trust, is the only other investment company 
investing in Special Portfolio.  Information regarding any 
investment company that may invest in Special Portfolio in the 
future may be obtained by writing to SR&F Base Trust, Suite 3200, 
One South Wacker Drive, Chicago, Illinois 60606, or by calling 800-
338-2550.  The Adviser may provide administrative or other 
services to one or more of such investors.

                    FOR MORE INFORMATION

For more information about Advisor Special Fund, call Retirement 
Services at 800-322-1130 or Advisor/Broker Services at 800-322-
0593.
                    ______________________

The Stein Roe Advisor Funds

Stein Roe Advisor Balanced Fund
Stein Roe Advisor Growth & Income Fund
Stein Roe Advisor Growth Stock Fund
Stein Roe Advisor Young Investor Fund
Stein Roe Advisor Special Fund
Stein Roe Advisor Special Venture Fund
Stein Roe Advisor International Fund


Stein Roe Mutual Funds
P.O. Box 8900
Boston, Massachusetts 02205-8900
Retirement Services: 1-800-322-1130
Adviser/Broker Services: 1-800-322-0593
http://www.steinroe.com

In Chicago, visit our Fund Center at One South Wacker Drive, 
32nd Floor.

Liberty Securities Corporation, Distributor
Member, SIPC






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