SHAKER INVESTMENTS INC /ADV
SC 13G/A, 1998-11-23
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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)*

                                 GLIATECH, INC.
                       ---------------------------------
                                (Name of Issuer)

                          Common Stock, $0.01 Par Value
                       ---------------------------------
                         (Title of Class of Securities)

                                    37929C103
                                 ---------------
                                 (CUSIP Number)

                                  October 31, 1998
                     ---------------------------------------
                      (Date of Event which Requires Filing
                               of this Statement)

Check the  appropriate box to designate the rule pursuant to which this Schedule
is filed:

                  [  ]     Rule 13d-1(b)
                  [X ]     Rule 13d-1(c)
                  [  ]     Rule 13d-1(d)


*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 disclosure
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).




                         Continued on following page(s)
                               Page 1 of 10 Pages
                             Exhibit Index: Page 9


<PAGE>


                                  SCHEDULE 13G

CUSIP No. 37929C103                                           Page 2 of 10 Pages



1        Name of Reporting Person
         I.R.S. Identification No. of Above Persons (ENTITIES ONLY)

                  SHAKER INVESTMENTS MANAGEMENT, L.P.

2        Check the Appropriate Box If a Member of a Group*
                                                     a.  [_]
                                                     b.  [x]

3        SEC Use Only

4        Citizenship or Place of Organization

                  OHIO

                           5        Sole Voting Power
 Number of                                  359,230
   Shares
Beneficially               6        Shared Voting Power
  Owned By                                        0
    Each
  Reporting                7        Sole Dispositive Power
   Person                                   359,230
    With                                          
                           8        Shared Dispositive Power
                                                  0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                            359,230

10       Check Box If the Aggregate  Amount in Row (9) Excludes  Certain Shares*
         [ ]

11       Percent of Class Represented By Amount in Row (9)

                                    3.6%

12       Type of Reporting Person*

                 IA; PN

                     * SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>


                                  SCHEDULE 13G

CUSIP No. 37929C103                                           Page 3 of 10 Pages



1        Name of Reporting Person
         I.R.S. Identification No. of Above Persons (ENTITIES ONLY)

                  SHAKER INVESTMENTS, INC.

2        Check the Appropriate Box If a Member of a Group*
                                                     a.  [_]
                                                     b.  [x]

3        SEC Use Only

4        Citizenship or Place of Organization

                  OHIO

                           5        Sole Voting Power
 Number of                                  359,230
   Shares
Beneficially               6        Shared Voting Power
  Owned By                                        0
    Each
  Reporting                7        Sole Dispositive Power
   Person                                 1,191,207
    With
                           8        Shared Dispositive Power
                                                  0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                            1,191,207

10       Check Box If the Aggregate  Amount in Row (9) Excludes  Certain Shares*
         [ ]

11       Percent of Class Represented By Amount in Row (9)

                                    12%

12       Type of Reporting Person*

                 IA; CO

                     * SEE INSTRUCTIONS BEFORE FILLING OUT!


<PAGE>



                                                              Page 4 of 10 Pages


Item 1(a)           Name of Issuer:

                    Gliatech, Inc. (the "Issuer").

Item 1(b)           Address of the Issuer's Principal Executive Offices:

                    23420 Commerce Park Road, Cleveland, Ohio 44122.

Item 2(a)           Name of Person Filing:

                    This statement is filed on behalf of each of the following 
                    persons (collectively the "Reporting Person"):

                    (i)  Shaker    Investments    Management,    L.P.   ("Shaker
                         Management") and
                         
                    (ii) Shaker Investments, Inc. ("Shaker Investments")
              
                    
Item 2(b)           Address of Principal Business Office or, if None, Residence:

                    (1)  The address  and  principal  business  office of Shaker
                         Management is 801 Tower East, 20600  Chagrin Boulevard,
                         Cleveland, Ohio 44127.

                    (2)  The address and  principal  business  office of  Shaker
                         Investments is 801 Tower East, 20600 Chagrin Boulevard,
                         Cleveland, Ohio 44127.

Item 2(c)           Citizenship:

                    (1)  Shaker Management is an Ohio limited partnership.

                    (2)  Shaker Investments is an Ohio corporation.

                   


<PAGE>


                                                              Page 5 of 10 Pages


Item 2(d)           Title of Class of Securities:

                         Common Stock, $0.01 par value (the "Shares").

Item 2(e)           CUSIP Number:

                         37929C103

Item 3.             If this  statement is filed  pursuant to Rule  13d-1(b),  or
                    13d-2(b), check whether the person filing is a:

                         This Item 3 is not applicable.

Item 4.             Ownership:

Item 4(a)           Amount Beneficially Owned:

                    (i)  As of October 31, 1998, Shaker Management may be deemed
                         to be the  beneficial  owner of 359,230 Shares held for
                         the  account  of 2 private  investment  funds for which
                         Shaker Management acts as the investment advisor.

                    (ii) As of  October  31,  1998,  Shaker  Investments  may be
                         deemed to be the beneficial  owner of 1,191,207  Shares
                         held for the account of 2 private  investment funds and
                         various managed  accounts for which Shaker  Investments
                         acts as the investment advisor.

Item 4(b)           Percent of Class:

                    (i)  The number of Shares of which Shaker  Management may be
                         deemed   to  be  the   beneficial   owner   constitutes
                         approximately  3.6%  of  the  total  number  of  shares
                         outstanding.
                    
                    (ii) The number of Shares of which Shaker Investments may be
                         deemed   to  be  the   beneficial   owner   constitutes
                         approximately  12.0%  of the  total  number  of  shares
                         outstanding.


<PAGE>


                                                              Page 6 of 10 Pages


Item 4(c)           Number of shares as to which such person has:
<TABLE>
<CAPTION>

                                                  Shaker Management          Shaker Investments
                                                  -----------------          ------------------
<S>                                               <C>                        <C>        

(i)   Sole power to vote or to direct the vote:         359,230                   359,230

(ii)  Shared power to vote or to direct the vote:             0                         0  

(iii) Sole power to dispose or to direct the 
      disposition of:                                   359,230                 1,191,207

(iv)  Shared power to dispose or to direct the
      disposition of:                                         0                         0 


</TABLE>


<PAGE>


                                                              Page 7 of 10 Pages


Item 5.        Ownership of Five Percent or Less of a Class:

                    This Item 5 is not applicable.

Item 6.        Ownership of More than Five Percent on Behalf of Another Person:

                    (i)  The  shareholders  or partners of each of the two funds
                         for which Shaker Management acts as investment advisor,
                         have  the  right  to  participate  in  the  receipt  of
                         dividends  from,  or  proceeds  from the  sale of,  the
                         Shares,   held  by  the  respective  funds  or  managed
                         accounts in accordance with their ownership  interests
                         in the funds.

                    (ii) The shareholders, partners or principals of each of the
                         two funds,  and the managed  accounts  for which Shaker
                         Investments acts as investment advisor,  have the right
                         to  participate  in the receipt of dividends  from,  or
                         proceeds  from  the sale of,  the  Shares,  held by the
                         respective funds or managed accounts in accordance with
                         their  ownership  interests  in the  funds  or  managed
                         accounts.
     
Item 7.        Identification   and   Classification  of  the  Subsidiary  Which
               Acquired the  Security  Being  Reported on by the Parent  Holding
               Company:

                    This Item 7 is not applicable.

Item 8.       Identification and Classification of Members of the Group:

                    This Item 8 is not applicable.

Item 9.       Notice of Dissolution of Group:

                    This Item 9 is not applicable.

Item 10.      Certification:

               By signing below each  signatory  certifies  that, to the best of
his/its knowledge and belief, the securities referred to above were not acquired
and  are  not  held  for the  purpose  of or with  the  effect  of  changing  or
influencing  the control of the Issuer of the  securities  and were not acquired
and are not  held in  connection  with or as a  participant  in any  transaction
having that purpose or effect.



<PAGE>


                                                              Page 8 of 10 Pages


                                   SIGNATURES


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


Date:  November 23, 1998           SHAKER INVESTMENTS MANAGEMENT, L.P.

                                   By:  Shaker Investments Management, LLC      
                                        Its General Partner

                                        
                                        By:  /S/ David Webb 
                                             ------------------------------
                                             Managing Member
                                                  

Date:  November 23, 1998           SHAKER INVESTMENTS, INC.

                                   By:  /S/ David Webb 
                                        ------------------------------
                                                  
                                   
<PAGE>


                                                             Page 9  of 10 Pages



                                  EXHIBIT INDEX

                                                                        Page No.
                                                                        --------

A.        Joint Filing  Agreement dated November 10, 1998 by 
          and among Shaker Investments  Management, L.P. and
          Shaker Investments, Inc...........................                  10








                                                            Page 10  of 10 Pages

                                    EXHIBIT A

                             JOINT FILING AGREEMENT

          The  undersigned  hereby agree that the statement on Schedule 13G with
respect to the Common Stock of Gliatech,  Inc. dated as of November 10, 1998 is,
and any amendments thereto (including amendments on Schedule 13G) signed by each
of the  undersigned  shall be,  filed on behalf of each of us pursuant to and in
accordance  with the provisions of Rule 13d-1(f)  under the Securities  Exchange
Act of 1934.


Date:  November 10, 1998           SHAKER INVESTMENTS MANAGEMENT, L.P.

                                   By:  Shaker Investments Management, LLC     
                                        Its General Partner

                                        
                                        By:  /S/ David Webb 
                                             ------------------------------
                                             Managing Member
                                                  

                                   SHAKER INVESTMENTS, INC.

                                   By:  /S/ David Webb 
                                        ------------------------------
                                                  



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