AMERICAN RADIO SYSTEMS CORP /MA/
SC 13D, 1996-12-03
RADIO BROADCASTING STATIONS
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                                                     Page 1 of 7 Pages

                                 UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                 SCHEDULE 13D

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

                       AMERICAN RADIO SYSTEMS CORPORATION
             -----------------------------------------------------
                                (Name of Issuer)

                                   CLASS A
             -----------------------------------------------------
                         (Title of Class of Securities)

                                   029161106
             -----------------------------------------------------
                                 (CUSIP Number)

                  Linda S. Martinson, Esq. (212) 583-2000
                767 Fifth Avenue, 24th Floor, New York, NY 10153
             -----------------------------------------------------
                 (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)


             -----------------------------------------------------
            (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box [ ].

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
disclosures provided in a prior cover page.

The information required on the remainder of this 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).

                                                    SEC 1746 (12-91)<PAGE>
<PAGE>

                            Schedule 13D (continued)
CUSIP No. 029161106                        Page 2 of 7 Pages



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

       
       
       Ronald Baron
- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [  ]
                                                             (b)  [  ]


- --------------------------------------------------------------------------------
   3   SEC USE ONLY




- --------------------------------------------------------------------------------
   4   SOURCE OF FUNDS


       OO
- --------------------------------------------------------------------------------
   5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS
       2(C) OR 2(E)    [ ]



- --------------------------------------------------------------------------------
   6   CITIZENSHIP OR PLACE OF ORGANIZATION


       USA
- --------------------------------------------------------------------------------
   NUMBER OF      7    SOLE VOTING POWER
     SHARES              215,000
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      8    SHARED VOTING POWER
      EACH             1,616,100
   REPORTING      --------------------------------------------------------------
     PERSON       9    SOLE DISPOSITIVE POWER
      WITH               215,000
                  --------------------------------------------------------------
                  10   SHARED DISPOSITIVE POWER
                       1,616,100
- --------------------------------------------------------------------------------
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON


       1,831,100
- --------------------------------------------------------------------------------
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*



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


       12.6%
- --------------------------------------------------------------------------------
  14   TYPE OF REPORTING PERSON*



       IN
- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT

<PAGE>
<PAGE>
                                             Page 3 of 7 Pages

Item 1.   Security and Issuer
          (a)  Name of Issuer:
               American Radio Systems Corporation
          (b)  Address of Issuer's Principal Executive Offices:
               116 Huntington Avenue
               Boston, MA 02116
          (c)  Title and Class of Securities:
               Class A

Item 2.   Identity and Background
          (a)  Name:
               Ronald Baron
          (b)  Business Address:
               767 Fifth Avenue
               24th Floor
               New York, NY 10153
          (c)  Present Principal Employment:
               President: Baron Capital Management, Inc., BAMCO, Inc.,
               Baron Capital, Inc.
               767 Fifth Avenue
               24th Floor
               New York, NY 10153
          (d)  Record of Convictions:
               During the last five years, Ronald Baron has not been convicted
               in a criminal proceeding (excluding traffic violations or
               similar misdemeanors.)
          (e)  Record of Civil Proceedings:
               During the last five years, Ronald Baron was not a party to a 
               civil proceeding of a judicial or administrative body of
               competent jurisdiction and as a result of such proceeding was
               or is subject to a judgment, decree or final order enjoining
               future violations of, or prohibiting or mandating such
               activities subject to, federal or state securities laws or
               finding any violation with respect to such laws.
          (f)  Citizenship:
               Reporting Person is a citizen of the United States.

Item 3.    Source and Amount of Funds or Other Consideration
           Reporting Person owns no shares of the issuer directly.
           As General Partner of Baron Capital Partners, L.P., and
           Baron Investment Partners, L.P., investment partnerships, (the
           "Partnerships"), Ronald Baron directed the purchase of 215,000
           shares for the accounts of the Partnerships for an aggregate
           purchase price of $5,654,124. Those shares were paid for by
           cash assets in the Partnerships' accounts and by margin borrowings
           pursuant to the standard margin agreement of Spear, Leeds &
           Kellogg. An additional 1,329,700 shares were purchased for an
           aggregate purchase price of $38,657,014 for the accounts of two
           investment companies registered under the Investment Company
           Act of 1940, Baron Asset Fund and Baron Growth & Income Fund,
           (the "Baron Funds"), which are advised by BAMCO, Inc. ("BAMCO"),
           a registered investment adviser which is controlled by Ronald Baron.
           An additional 286,400 shares were purchased for an aggregate
           purchase price of $7,945,615 for the accounts of investment
           advisory clients of Baron Capital Management, Inc. ("BCM") a
           registered investment adviser controlled by Ronald Baron.  All of
           those shares were paid for by cash in the accounts of the 
           <PAGE>
                                                          Page 4 of 7 Pages


           investment companies and advisory clients.
   
  Item 4.  Purpose of Transaction

           The securities referred to herein were acquired in the ordinary
           course of business and were not 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 purposes
           or effect.  Filing Person reserves the right to discuss management
           and other proposals with other persons.
           
  Item 5.  Interest in Securities of the Issuer

           (a) Amount and percentage beneficially owned:
               Reporting Person: (i)1,616,100 shares in his capacity as a
               controlling person of BAMCO and BCM. Reporting Person disclaims
               that he is the beneficial owner of these shares. (ii) 215,000
               shares in his capacity as General Partner of BCP and BIP.
               (iii) no shares personally.
           (b) Number of shares as to which such person has:
               (i)   sole power to vote or direct the vote:
                          215,000
               (ii)  shared power to vote or direct the vote:
                        1,616,100
               (iii) sole power to dispose or to direct the disposition:
                          215,000
               (iv)  shared power to dispose or direct the disposition:
                        1,616,100
               Reporting Person may be deemed to share power to vote and
               dispose of shares referred to herein as a result of his 
               control of the investment advisers for whose advisory clients
               he is reporting. He may be deemed to have sole power to vote
               and direct the disposition of the shares referred to above to
               by reason of being a general partner of the Partnerships.
           (c) A schedule of transactions effected in the last sixty days is
               attached hereto.
           (d) Ownership of More than Five Percent on Behalf of Another Person:
               The investment advisory clients have the right to receive the
               dividends from, or the proceeds from the sale of the securities
               in their respective accounts. To the best of Reporting Person's
               knowledge, no person has such interest relating to more than 5%
               of the outstanding class of securities, except that Baron Asset
               Fund owns 1,104,700 (7.6%) of the shares reported herein.
           (e) Ownership of Less than Five Percent:
               Not applicable.



<PAGE>
<PAGE>
                                                      Page 5 of 7 Pages

Item 6.    Contracts, Arrangements, Understandings or Relationships with
           Respect to Securities of the Issuer
           By virtue of their investment advisory agreements with their 
           clients, BCM and BAMCO have been given the discretion to 
           dispose or direct the disposition of the securities in the 
           advisory accounts.  All such agreements are, however, revocable.
           The advisory agreements for the Baron Funds have been approved 
           by their Board of Trustees.  The agreements for the Baron Funds
           are filed as exhibit 99 to Form N1-A for Baron Asset Fund and 
           are incorporated by reference herein.  All the advisory 
           agreements are pursuant to a standard form, a copy of which is
           filed herewith.
           
Item 7.    Material to be Filed as Exhibits
           Exhibit 99 - 60 days of trading.
 


 Signature

     After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete
and correct.

Date:     December 3, 1996



                                /s/ Ronald Baron
                                _______________________________________
                                Ronald Baron


Transaction Schedule                    
From 10-02-96 To 12-02-96                    
                    
          Acct      Exec.
Date       ID  Acty Qty       Price
- --------  -----     ---- ------    -------
10-02-96  baf  by   10,000    37.2500
10-02-96  bcm4 by    8,500    37.2500
10-04-96  baf  by   10,000    36.8333
10-04-96  bcm4 by    5,000    36.8333
10-07-96  bcm4 by    3,000    36.8750
10-08-96  baf  by    4,000    36.7500
10-08-96  baf  by   22,000    36.7500
10-08-96  bcm4 by    5,000    36.7500
10-08-96  bcm4 by    1,500    36.7500
10-08-96  bcm4 by    2,000    36.7500
10-08-96  bgi  by   10,000    36.7500
10-09-96  baf  by    4,000    36.6250
10-15-96  baf  by   20,000    35.1750
10-21-96  baf  by    5,000    36.0000
10-22-96  baf  by    5,000    36.0000
10-23-96  baf  by   10,000    36.0000
10-24-96  baf  by    5,000    36.1250
10-25-96  baf  by   20,000    34.7813
10-28-96  baf  by   35,000    32.3359
10-28-96  bgi  by    5,000    32.3359
10-29-96  baf  by    5,000    28.2188
10-29-96  baf  by    5,000    29.3750
10-29-96  bgi  by    5,000    28.2188
10-30-96  baf  by   20,000    29.2031
10-30-96  bcp  by   20,000    29.2031
10-31-96  bcp  by   15,000    29.2500
11-01-96  bcp  by    5,000    30.2500
11-05-96  baf  by   22,000    25.7500
11-05-96  bcm4 by    4,000    25.7500
11-05-96  bcm4 by    4,000    25.7500
11-05-96  bcp  by   10,000    25.7500
11-07-96  bcm4 by   10,000    27.7500
11-08-96  baf  by   35,000    25.2946
11-11-96  baf  by    2,500    25.3750
11-11-96  baf  by   60,500    25.3750
11-11-96  bcp  by   30,000    25.3750
11-11-96  bgi  by    5,000    25.3750
11-12-96  baf  by   10,000    25.6250
11-12-96  baf  by   35,000    25.6154
11-12-96  bcm4 by    2,800    25.7500
11-12-96  bcm4 by      600    25.6154
11-12-96  bcm4 by    5,000    25.6154
11-12-96  bcm4 by    1,400    25.6154
11-12-96  bcm4 by    4,000    25.6154
11-12-96  bcm4 by    1,000    25.6154
11-12-96  bcm4 by    2,700    25.6154
11-12-96  bcm4 by      300    25.6154
11-12-96  bcm4 by    1,200    25.6154
11-12-96  bcm4 by    1,000    25.6154
11-12-96  bcm4 by    2,200    25.6154
11-12-96  bcm4 by      500    25.6154
11-12-96  bcm4 by    2,400    25.6154
11-12-96  bcm4 by    1,500    25.6154
11-12-96  bcm4 by    3,000    25.6154
11-12-96  bcm4 by      900    25.6154
11-12-96  bcm4 by      600    25.6154
11-12-96  bcm4 by    5,000    25.7500
11-12-96  bcm4 by    1,000    25.6154
11-12-96  bcm4 by    5,000    25.7500
11-12-96  bcm4 by    3,600    25.6154
11-12-96  bcm4 by    2,800    25.6154
11-12-96  bcp  by   40,000    25.6154
11-12-96  bgi  by   10,000    25.6154
11-13-96  baf  by   62,500    25.8659
11-13-96  baf  by   17,500    26.0000
11-13-96  bcm4 by   17,500    25.8659
11-13-96  bcm4 by    2,500    26.0000
11-13-96  bcp  by   27,500    25.8659
11-13-96  bcp  by    2,500    26.0000
11-13-96  bgi  by   22,500    25.8659
11-13-96  bgi  by    2,500    26.0000
11-13-96  bip  by    7,500    25.8659
11-13-96  bip  by    2,500    26.0000
11-14-96  baf  by   15,000    25.4464
11-14-96  bcm4 by    5,000    25.4464
11-14-96  bcm4 by   10,000    25.4464
11-14-96  bcp  by   25,000    25.4464
11-14-96  bgi  by   10,000    25.4464
11-14-96  bip  by    5,000    25.4464
11-15-96  baf  by   50,000    25.5121
11-15-96  bcm4 by    3,000    25.5121
11-15-96  bcp  by   25,000    25.5121
11-15-96  bgi  by   15,000    25.5121
11-19-96  baf  by    5,000    27.8750
11-27-96  baf  by    4,600    27.1087
11-29-96  baf  by    5,100    27.0588
12-02-96  bcm4 by    4,600    26.6250
12-02-96  bcm4 by   50,000    27.0000



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