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

                                  SCHEDULE 13G



                                (Amendment No.  )


                            Mercer International Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)


                                  Common Stock
--------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    588056101
--------------------------------------------------------------------------------
                                 (CUSIP Number)


                                    12/31/00
--------------------------------------------------------------------------------
            (Date of Event Which Requires Filing of this Statement)



(1)  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 this cover page shall not be
     deemed to be  "filed"  for the  purpose  of  Section  18 of the  Securities
     Exchange  Act of 1934  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).





CUSIP No. 588056101                   13G


________________________________________________________________________________
1.   NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

     CRAMER ROSENTHAL McGLYNN, LLC
     13-3156718
________________________________________________________________________________
2.   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                 (a)  [_]
                                                                 (b)  [X]

________________________________________________________________________________
3.   SEC USE ONLY



________________________________________________________________________________
4.   CITIZENSHIP OR PLACE OF ORGANIZATION

     Incorporated in the State of New York

________________________________________________________________________________
  NUMBER OF    5.   SOLE VOTING POWER

   SHARES           0
               _________________________________________________________________
BENEFICIALLY   6.   SHARED VOTING POWER

  OWNED BY          1,912,282
               _________________________________________________________________
    EACH       7.   SOLE DISPOSITIVE POWER

  REPORTING         0
               _________________________________________________________________
   PERSON      8.   SHARED DISPOSITIVE POWER

    WITH            1,912,282
________________________________________________________________________________
9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     1,912,282

________________________________________________________________________________
10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

                                                                          [_]

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

     8.623%

________________________________________________________________________________
12.  TYPE OF REPORTING PERSON*

     IA

________________________________________________________________________________
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


                                       2




CUSIP No. 588056101                    13G


________________________________________________________________________________
Item 1(a).  Name of Issuer:

            Mercer International

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

            Brndschentre STR64 Zurich Switzerland C V6

________________________________________________________________________________
Item 2(a).  Name of Person Filing:

            CRAMER ROSENTHAL McGLYNN

________________________________________________________________________________
Item 2(b).  Address of Principal Business Office, or if None, Residence:

            707 Westchester Ave, White Plains, NY 10604

________________________________________________________________________________
Item 2(c).  Citizenship:

            Incorporated in the State of New York

________________________________________________________________________________
Item 2(d).  Title of Class of Securities:

            Common Stock

________________________________________________________________________________
Item 2(e).  CUSIP Number:

            588056101

________________________________________________________________________________
Item 3.     If This Statement  is Filed  Pursuant to  Rule 13d-1(b), or 13d-2(b)
            or (c), Check Whether the Person Filing is a:

     (a)  [_]  Broker or dealer registered under Section 15 of the Exchange Act.

     (b)  [_]  Bank as defined in Section 3(a)(6) of the Exchange Act.

     (c)  [_]  Insurance  company as defined in Section 3(a)(19) of the Exchange
               Act.

     (d)  [_]  Investment  company  registered under Section 8 of the Investment
               Company Act.

     (e)  [X]  An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

     (f)  [_]  An employee  benefit plan or endowment  fund in  accordance  with
               Rule 13d-1(b)(1)(ii)(F);

     (g)  [_]  A parent  holding  company or control  person in accordance  with
               Rule 13d-1(b)(1)(ii)(G);

     (h)  [_]  A savings  association  as defined in Section 3(b) of the Federal
               Deposit Insurance Act;

     (i)  [_]  A  church  plan  that  is  excluded  from  the  definition  of an
               investment  company  under  Section  3(c)(14)  of the  Investment
               Company Act;

     (j)  [_]  Group, in accordance with Rule 13d-1(b)(1)(ii)(J).


     If this statement is filed pursuant to Rule 13d-1(c), check this box.   [_]





CUSIP No. 588056101                 13G                    Page    of    Pages


Item 4.  Ownership.  1,912,282

     Provide  the  following  information  regarding  the  aggregate  number and
percentage of the class of securities of the issuer identified in Item 1.

     (a)  Amount beneficially owned:   1,912,282


     (b)  Percent of class:  8.623%


     (c)  Number of shares as to which such person has:

          (i)   Sole power to vote or to direct the vote  0                   ,


          (ii)  Shared power to vote or to direct the vote 1,912,282           ,


          (iii) Sole power to dispose or to direct the disposition of 0        ,


          (iv)  Shared power to dispose or to direct the disposition of
                1,912,282



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

         One Class of Stock 8.623%


________________________________________________________________________________
Item 6.  Ownership of More Than Five Percent on Behalf of Another Person.

         NOT APPLICABLE

________________________________________________________________________________
Item 7.  Identification and Classification of the Subsidiary Which Acquired the
         Security Being Reported on by the Parent Holding Company.

         NOT APPLICABLE

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

         NOT APPLICABLE

________________________________________________________________________________
Item 9.  Notice of Dissolution of Group.

         NOT APPLICABLE

________________________________________________________________________________
Item 10.  Certifications.

     (a)  The  following  certification  shall be included if the  statement  is
          filed pursuant to Rule 13d-1(b):

          "By signing  below I certify  that,  to the best of my  knowledge  and
          belief, the securities referred to above were acquired and are held in
          the ordinary course of business and were not acquired and 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 such purpose or effect."


     (b)  The  following  certification  shall be included if the  statement  is
          filed pursuant to Rule 13d-1(c):

          "By signing  below I certify  that,  to the best of my  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 such purpose or effect."





                                    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.


                                                       2/15/01
                                       -----------------------------------------
                                                       (Date)



                                       -----------------------------------------
                                                     (Signature)


                                       MICHAEL J. MARRONE/Director of Operations
                                       -----------------------------------------
                                                     (Name/Title)