MEDICAL GRAPHICS CORP /MN/
SC 13G, 1996-08-08
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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                         UNITED STATES
              SECURITIES AND EXCHANGE COMMISSION
                    Washington, D.C.  20549


                          SCHEDULE 13G


            Under the Securities Exchange Act of 1934
                       (Amendment No. 1 )*

                   Medical Graphics Corporation
      _____________________________________________________
                         (Name of Issuer)

                   Common Stock, $ .05 Par Value
      ______________________________________________________
                 (Title of Class of Securities)

                           584907108
               ____________________________________
                         (CUSIP Number)


Check the following box if a fee is being paid with this statement | |.  (A fee
is not required only if the filing person: (1) has a previous statement on file
reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class).
(See Rule 13d-7).

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of the cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).









                            Page 1 of 12 Pages
<PAGE>




CUSIP No. 584907109              13G         Page  2   of   12

- ----------------------------------------------------------------
(1)  NAME OF REPORTING PERSON
     S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

     Special Situations Fund III, L.P.  ("The Fund")
     F13-3737427
- ----------------------------------------------------------------
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  (a) | |
                                                        (b) |X|
- ----------------------------------------------------------------
(3)  SEC USE ONLY

- ----------------------------------------------------------------
(4)  CITIZENSHIP OR PLACE OF ORGANIZATION

     Delaware
- ----------------------------------------------------------------
 NUMBER OF     (5) SOLE VOTING POWER              258,900
  SHARES       -------------------------------------------------
BENEFICIALLY   (6) SHARED VOTING POWER             None
 OWNED BY      -------------------------------------------------
   EACH        (7) SOLE DISPOSITIVE POWER         258,900
 REPORTING     -------------------------------------------------
PERSON WITH    (8) SHARED DISPOSITIVE POWER        None
- ----------------------------------------------------------------
(9)  AGGREGATE AMOUNT BENEFICALLY OWNED BY EACH REPORTING PERSON

     258,900
- ----------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
     CERTAIN SHARES*

- ----------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     10.2
- ----------------------------------------------------------------
(12) TYPE OF REPORTING PERSON*

     IV
- ----------------------------------------------------------------

<PAGE>


CUSIP No. 584907109             13G             Page  3  of  12

- ----------------------------------------------------------------
(1)  NAME OF REPORTING PERSON
     S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

     MGP Advisers Limited Partnership ("MGP)
     F13-3263120
- ----------------------------------------------------------------
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  (a) | |
                                                        (b) |X|
- ----------------------------------------------------------------
(3)  SEC USE ONLY

- ----------------------------------------------------------------
(4)  CITIZENSHIP OR PLACE OF ORGANIZATION

     Delaware
- ----------------------------------------------------------------
 NUMBER OF     (5) SOLE VOTING POWER              None
  SHARES       -------------------------------------------------
BENEFICIALLY   (6) SHARED VOTING POWER            None
 OWNED BY      -------------------------------------------------
   EACH        (7) SOLE DISPOSITIVE POWER         258,900
 REPORTING     -------------------------------------------------
PERSON WITH    (8) SHARED DISPOSITIVE POWER       None
- ----------------------------------------------------------------
(9)  AGGREGATE AMOUNT BENEFICALLY OWNED BY EACH REPORTING PERSON

     258,900
- ----------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
     CERTAIN SHARES*

- ----------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     10.2
- ----------------------------------------------------------------
(12) TYPE OF REPORTING PERSON*

     IA
- ----------------------------------------------------------------

<PAGE>

CUSIP No. 584907109             13G         Page  4  of  12

- ----------------------------------------------------------------
(1)  NAME OF REPORTING PERSON
     S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

     AWM Investment Company, Inc. ("AWM")
     11-2086452
- ----------------------------------------------------------------
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  (a) | |
                                                        (b) |X|
- ----------------------------------------------------------------
(3)  SEC USE ONLY

- ----------------------------------------------------------------
(4)  CITIZENSHIP OR PLACE OF ORGANIZATION

     Delaware
- ----------------------------------------------------------------
 NUMBER OF     (5) SOLE VOTING POWER             104,700
  SHARES       -------------------------------------------------
BENEFICIALLY   (6) SHARED VOTING POWER           None
 OWNED BY      -------------------------------------------------
   EACH        (7) SOLE DISPOSITIVE POWER        363,600
 REPORTING     -------------------------------------------------
PERSON WITH    (8) SHARED DISPOSITIVE POWER      None
- ----------------------------------------------------------------
(9)  AGGREGATE AMOUNT BENEFICALLY OWNED BY EACH REPORTING PERSON

      363,600
- ----------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
     CERTAIN SHARES*

- ----------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     14.3
- ----------------------------------------------------------------
(12) TYPE OF REPORTING PERSON*

     IA
- ----------------------------------------------------------------
<PAGE>

CUSIP No. 584907109              13G         Page  5   of   12

- ----------------------------------------------------------------
(1)  NAME OF REPORTING PERSON
     S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

     Austin W. Marxe
     ###-##-####
- ----------------------------------------------------------------
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  (a) | |
                                                        (b) |X|
- ----------------------------------------------------------------
(3)  SEC USE ONLY

- ----------------------------------------------------------------
(4)  CITIZENSHIP OR PLACE OF ORGANIZATION

     United States
- ----------------------------------------------------------------
 NUMBER OF     (5) SOLE VOTING POWER            104,700
  SHARES       -------------------------------------------------
BENEFICIALLY   (6) SHARED VOTING POWER          258,900
 OWNED BY      -------------------------------------------------
   EACH        (7) SOLE DISPOSITIVE POWER       363,600
 REPORTING     -------------------------------------------------
PERSON WITH    (8) SHARED DISPOSITIVE POWER       None
- ----------------------------------------------------------------
(9)  AGGREGATE AMOUNT BENEFICALLY OWNED BY EACH REPORTING PERSON

     363,600
- ----------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
     CERTAIN SHARES*

- ----------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     14.3
- ----------------------------------------------------------------
(12) TYPE OF REPORTING PERSON*

     IN
- ----------------------------------------------------------------

<PAGE>

                                                              Page 6 of 12 Pages

Item 1.

(a)  NAME OF ISSUER:  Medical Graphics Corporation

(b)  ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
     350 Oak Grove Parkway, ST. Paul,  MN  55127

Item 2.

(a)-(c)   NAME OF PERSON FILING; ADDRESS OF PRINCIPAL BUSINESS OFFICE; AND PLACE
OF ORGANIZATION:  This statement is filed on behalf of (i) Special Situations
Fund III, L.P., a Delaware limited partnership (the "Fund"), (ii) MGP Advisers
Limited Partnership, a Delaware Limited Partnership ("MGP"), (iii) AWM
Investment Company, Inc., a Delaware corporation ("AWM") and (iv) Austin W.
Marxe.  Each of the foregoing is hereinafter individually referred to as a
"Reporting Person" and collectively as the "Reporting Persons."  The principal
office and business address of the Reporting Persons is 153 East 53 Street, New
York, New York 10022.   The busines of the Fund is to acquire, purchase, invest
in, sell, convey, transfer, exchange and otherwise trade in principally equity
and equity related securities.  MGP is a general partner of and investment
adviser to the Fund.  MGP is registered as an investment adviser under the
Investment Advisers Act of 1940, as amended.  The principal business of MGP is
to act as a general partner of and investment adviser to the Fund.  AWM, a
Delaware corporation primarily owned by Austin Marxe, serves as the sole
<PAGE>

                                                              Page 7 of 12 Pages

general partner of MGP.  AWM is a registered investment adviser under the
Investment Advisers Act of 1940 and also serves as the investment adviser to,
and general partner of, Special Situations Cayman Fund, L.P., a limited
partnership formed under the laws of the Cayman Islands (the "Cayman Fund").
Austin W. Marxe is also the principal limited partner of MGP and is the
President and Chief Executive Officer of AWM.  Mr. Marxe is principally
responsible for the selection, acquisition and disposition of the portfolio
securities by AWM on behalf of MGP, the Fund and the Cayman Fund.

2(b)      TITLE OF CLASS OF SECURITIES: See cover sheets.

2(c)      CUSIP NUMBER:  See cover sheets.

Item 3.   IF THIS STATEMENT IS FILED PURSUANT TO RULE 13D-1(b), OR 13D-2(b),
          CHECK WHETHER THE PERSON FILING IS A:

(a) ( )   Broker or Dealer registered under section 15 of the Act

(b) ( )   Bank as defined in section 3(a) (6) of the Act

(c) ( )   Insurance Company as defined in section 3(a) (19) of the Act

(d) (x)   Investment Company registered under section 8 of the Investment
          Company Act

(e) (x)   Investment Adviser registered under section 203 of the Investment
          Advisers Act of 1940

(f) ( )   Employee Benefit Plan, Pension Fund which is subject to the provisions
          of the Employee Retirement Income
<PAGE>


                                                              Page 8 of 12 Pages

           Security Act of 1974 or Endowment Fund

(g) (x)   Parent Holding Company, in accordance with $240.13d
          -1 (b) (ii) (G)

(h) ( )   Group, in accordance with $240.13d-1 (b) (1) (ii) (H)

See Exhibit A attached hereto.

Item 4.   OWNERSHIP:

(a)  AMOUNT BENEFICIALLY OWNED: 363,600 shares of Common Stock are beneficially
     owned by Austin W. Marxe and AWM; of which 258,900 shares are owned by the 
     Fund and 104,700 shares are owned by the Cayman Fund. 258,900 shares of 
     Common Stock are beneficially owned by the Fund and MGP.

(b)  PERCENT OF CLASS:  14.3 percent of the Common Stock are beneficially owned
     by Austin Marxe and AWM.  10.2 percent of the Common Stock are 
     beneficially owned by MGP and the Fund.

(c)  NUMBER OF SHARES AS TO WHICH SUCH PERSON HAS RIGHTS TO VOTE AND/OR DISPOSE
     OF SECURITIES:  The Fund has the sole power to vote or to direct the vote
     and to dispose or to direct the disposition of all securities reported
     hereby which are beneficially owned by the Fund.  MGP has the sole power to
     dispose or to direct the disposition of all securities reported hereby
     which are beneficially owned by MGP.  AWM has the the sole power to vote or
     to direct the vote of securities reported hereby which are beneficially
     owned by AWM by virtue of it being the
<PAGE>

                                                              Page 9 of 12 Pages

     Investment Adviser to the Special Situations Cayman Fund, L.P..  AWM has
     the sole power to dispose or to direct the disposition of all securites
     reported hereby which are beneficially owned by AWM.  Austin Marxe has the
     sole power to vote or to direct the vote of securities reported hereby
     which are beneficially owned by Austin Marxe by virtue of being the primary
     owner of and President and Chief Executive Officer of AWM.  Austin W. Marxe
     has shared power to vote or to direct the vote of all shares beneficially
     owned by Austin Marxe by virtue of being an Individual General Partner of
     the Fund.  Austin W. Marxe has the sole power to dispose or to direct the
     disposition of all securities reported hereby which are beneficially owned
     by Austin Marxe.

Item 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:  If this statement is
being filed to report the fact that as of the date hereof the reporting person
has ceased to be the beneficial owner of more that five percent of the class of
securities, check the following     .

Item 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:  The
Fund and the Cayman Fund as owners of the securities in question, have the right
to receive any dividends from, or proceeds from the sale of, such securities.

Item 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
SECURITY BEING REPORTED ON BY THE PARENT

<PAGE>

                                                             Page 10 of 12 Pages
HOLDING COMPANY:  See Exhibit A attached hereto.

Item 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP: Not
applicable

Item 9. NOTICES OF DISSOLUTION OF GROUP:  Not applicable.

Item 10. CERTIFICATION:

               Each of the undersigned certifies that, to the best of its or his
     knowledge and belief, the securities referred to above were acquired in the
     ordinary course of business and were acquired for the purpose of and do not
     have the effect of changing or influencing the control of the issuer of
     such securities and were not acquired in connection with or as a
     participant in any transaction having such purpose or effect.

<PAGE>

                                                             Page 11 of 12 Pages

                                    SIGNATURE

     After reasonable inquiry and to the best of his knowledge and belief, each
of the undersigned certifies that the information set forth in this statement is
true, complete and correct.

Dated:   7/31/96
       ----------

                                   SPECIAL SITUATIONS FUND III, L.P.



                                   By:/s/ Austin W. Marxe
                                      ----------------------------
                                        Austin W. Marxe
                                        Individual General Parnter

                                   MGP ADVISERS LIMITED PARTNERSHIP
                                   By: AWM Investment Company, Inc.



                                   By:/s/ Austin W. Marxe
                                      ----------------------------
                                        Austin W. Marxe
                                        President and Chief Executive Officer

                                   AWM INVESTMENT COMPANY, INC.



                                   By: /s/ Austin W. Marxe
                                      ----------------------------
                                        Austin W. Marxe
                                        President and Chief Executive Officer




                                        /s/ Austin W. Marxe
                                      ----------------------------
                                        AUSTIN W. MARXE
<PAGE>

                                                             Page 12 of 12 Pages





                                    EXHIBIT A


     This Exhibit explains the relationship between the Reporting Persons.  AWM
is the sole general partner of MGP, a registered investment adviser under the
Investment Advisers Act of 1940, as amended.  MGP is a general partner of and
investment adviser to the Fund.  AWM is a registered investment adviser under
the Investment Advisers Act of 1940 and also serves as the general partner of,
and investment adviser to, the Cayman Fund.  Austin W. Marxe is the principal
owner and President of AWM.




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