KLEINER PERKINS CAUFIELD & BYERS VI LP
SC 13G, 1997-02-14
Previous: KLEINER PERKINS CAUFIELD & BYERS VI LP, SC 13G, 1997-02-14
Next: KLEINER PERKINS CAUFIELD & BYERS VI LP, SC 13G, 1997-02-14



<PAGE>
 
                                                   ---------------------------
                                                          OMB APPROVAL
                                                   ---------------------------
                                                   OMB number:       3235-0145
                                                   Expires:  December 31, 1997
                                                   Estimated average burden 
                                                   hours per response... 14.90
                                                   ---------------------------
                                                    



                                 UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C.  20549
                                  SCHEDULE 13G

                   UNDER THE SECURITIES EXCHANGE ACT OF 1934
                            
                            (AMENDMENT NO.     )*  
                                           -----


                        Millennium Pharmaceuticals, Inc.
         -------------------------------------------------------------
                                (Name of Issuer)

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

                                  005999 02 1
                   -----------------------------------------
                                 (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 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 pages)


                              Page 1 of 18 Pages
                      Exhibit Index Contained on Page 14
<PAGE>
 
- -----------------------                                  ---------------------
  CUSIP NO. 005999 02 1                   13G              PAGE 2 OF 18 PAGES
- -----------------------                                  ---------------------
 
- ------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
      Kleiner Perkins Caufield & Byers VI, L.P., a
      California Limited Partnership ("KPCB VI")
      94-3157816

- ------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 2                                                              (a) [_]
                                                                (b) [X]
                                                 
- ------------------------------------------------------------------------------
      SEC USE ONLY
 3
 

- ------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 4    
      California Limited Partnership


- ------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     5   
     NUMBER OF            - 0 -
 
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      6
                          1,250,000
     OWNED BY
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     7    
    REPORTING             - 0 -
 
      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH          8
                          1,250,000
- ------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9  
      1,250,000

- ------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10                  
 
 
- ------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
11    
      5.2%

- ------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON*
12
      PN

- ------------------------------------------------------------------------------

                     *SEE INSTRUCTION BEFORE FILLING OUT!


                              Page 2 of 18 pages
 
 
<PAGE>
 
- -----------------------                                  ---------------------
  CUSIP NO. 005999 02 1                   13G              PAGE 3 OF 18 PAGES
- -----------------------                                  ---------------------
 
- ------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
      KPCB VI Associates, L.P., a California Limited
      Partnership ("KPCB VI Associates") 94-3158010

- ------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 2                                                              (a) [_]
                                                                (b) [X]
                                                 
- ------------------------------------------------------------------------------
      SEC USE ONLY
 3
 

- ------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 4    
      California Limited Partnership


- ------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     5   
     NUMBER OF            - 0 -
 
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      6    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI.
     OWNED BY
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     7    
    REPORTING             - 0 -
 
      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH          8    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI.

- ------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9  
      1,250,000

- ------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10                  
 
 
- ------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
11    
      5.2%

- ------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON*
12
      PN

- ------------------------------------------------------------------------------

                     *SEE INSTRUCTION BEFORE FILLING OUT!


                              Page 3 of 18 pages
<PAGE>
 
- -----------------------                                  ---------------------
  CUSIP NO. 005999 02 1                   13G              PAGE 4 OF 18 PAGES
- -----------------------                                  ---------------------
 
- ------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
      Brook H. Byers
- ------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 2                                                              (a) [_]
                                                                (b) [X]
                                                 
- ------------------------------------------------------------------------------
      SEC USE ONLY
 3
 

- ------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 4    
      United States
        
- ------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     5   
     NUMBER OF            29,627
 
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      6    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI. Mr.
     OWNED BY             Byers is a general partner of KPCB VI Associates. Mr.
                          Byers disclaims beneficial ownership of shares held
       EACH               directly by KPCB VI.                          
                   -----------------------------------------------------------
    REPORTING             SOLE DISPOSITIVE POWER
                     7    
      PERSON              29,627
 
       WITH        -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
                     8    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI. Mr.
                          Byers is a general partner of KPCB VI Associates. Mr.
                          Byers disclaims beneficial ownership of shares held
                          directly by KPCB VI.

- ------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9  
      1,279,627

- ------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10                  
 
 
- ------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
11    
      5.4%

- ------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON*
12
      IN

- ------------------------------------------------------------------------------

                     *SEE INSTRUCTION BEFORE FILLING OUT!


                               Page 4 of 18 pages
 
 
<PAGE>
 
- -----------------------                                  ---------------------
  CUSIP NO. 005999 02 1                   13G             PAGE 5 OF 18 PAGES
- -----------------------                                  ---------------------
 
- ------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
      Vinod Khosla
- ------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 2                                                              (a) [_]
                                                                (b) [X]
                                                 
- ------------------------------------------------------------------------------
      SEC USE ONLY
 3
 

- ------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 4    
      United States

- ------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     5   
     NUMBER OF            19,176
 
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      6    1,250,000 shares directly held by KPCB VI, and 402
                          shares held indirectly through the Vinod & Neeru
     OWNED BY             Khosla Trust. KPCB VI Associates is the general
                          partner of KPCB VI. Mr. Khosla is a general partner of
       EACH               KPCB VI Associates. Mr. Khosla disclaims beneficial
                          ownership of shares held directly by KPCB VI and the
    REPORTING             Vinod & Neeru Khosla Trust.

      PERSON       -----------------------------------------------------------
                          SOLE DISPOSITIVE POWER
       WITH          7    
                          19,176
 
                   -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
                     8    1,250,000 shares directly held by KPCB VI, and 402
                          shares held indirectly through the Vinod & Neeru
                          Khosla Trust. KPCB VI Associates is the general
                          partner of KPCB VI. Mr. Khosla is a general partner of
                          KPCB VI Associates. Mr. Khosla disclaims beneficial
                          ownership of shares held directly by KPCB VI and the
                          Vinod & Neeru Khosla Trust.
- ------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9  
      1,269,578

- ------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10                  
 
 
- ------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
11    
      5.3%

- ------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON*
12
      IN

- ------------------------------------------------------------------------------

                     *SEE INSTRUCTION BEFORE FILLING OUT!


                              Page 5 of 18 pages
 
<PAGE>
 
- -----------------------                                  ---------------------
  CUSIP NO. 005999 02 1                   13G              PAGE 6 OF 18 PAGES
- -----------------------                                  ---------------------
 
- ------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
      E. Floyd Kvamme
- ------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 2                                                              (a) [_]
                                                                (b) [X]
                                                 
- ------------------------------------------------------------------------------
      SEC USE ONLY
 3
 

- ------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 4    
      United States

- ------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     5   
     NUMBER OF            14,804
 
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      6    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI. Mr.
     OWNED BY             Kvamme is a general partner of KPCB VI Associates. Mr.
                          Kvamme disclaims beneficial ownership of shares held
       EACH               directly by KPCB VI.                          

    REPORTING      -----------------------------------------------------------
                          SOLE DISPOSITIVE POWER
      PERSON         7    
                          14,804
       WITH  
      -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
                     8    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI. Mr.
                          Kvamme is a general partner of KPCB VI Associates. Mr.
                          Kvamme disclaims beneficial ownership of shares held
                          directly by KPCB VI.

- ------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9  
      1,264,804

- ------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10                  
 
 
- ------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
11    
      5.3%

- ------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON*
12
      IN

- ------------------------------------------------------------------------------

                     *SEE INSTRUCTION BEFORE FILLING OUT!


                              Page 6 of 18 pages
<PAGE>
 
- -----------------------                                  ---------------------
  CUSIP NO. 005999 02 1                   13G              PAGE 7 OF 18 PAGES
- -----------------------                                  ---------------------
 
- ------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
      L. John Doerr
- ------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 2                                                              (a) [_]
                                                                (b) [X]
                                                 
- ------------------------------------------------------------------------------
      SEC USE ONLY
 3
 

- ------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 4    
      United States

- ------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     5   
     NUMBER OF            32,001
 
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      6    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI. Mr.
     OWNED BY             Doerr is a general partner of KPCB VI Associates. Mr.
                          Doerr disclaims beneficial ownership of shares held
       EACH               directly by KPCB VI.                          

    REPORTING      -----------------------------------------------------------
                          SOLE DISPOSITIVE POWER
      PERSON         7    
                          32,001
       WITH 
                   -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
                     8    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI. Mr.
                          Doerr is a general partner of KPCB VI Associates. Mr.
                          Doerr disclaims beneficial ownership of shares held
                          directly by KPCB VI.
                          
- ------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9  
      1,282,001

- ------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10                  
 
 
- ------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
11    
      5.4%

- ------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON*
12
      IN

- ------------------------------------------------------------------------------

                     *SEE INSTRUCTION BEFORE FILLING OUT!


                              Page 7 of 18 pages
<PAGE>
 
- -----------------------                                  ---------------------
  CUSIP NO. 005999 02 1                    13G             PAGE 8 OF 18 PAGES
- -----------------------                                  ---------------------
 
- ------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
      Joseph S. Lacob
- ------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 2                                                              (a) [_]
                                                                (b) [X]
                                                 
- ------------------------------------------------------------------------------
      SEC USE ONLY
 3
 

- ------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 4    
      United States

- ------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     5   
     NUMBER OF            20,319
 
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      6    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI. Mr.
     OWNED BY             Lacob is a general partner of KPCB VI Associates. Mr.
                          Lacob disclaims beneficial ownership of shares held
       EACH               directly by KPCB VI.                          

    REPORTING      -----------------------------------------------------------
                          SOLE DISPOSITIVE POWER
      PERSO          7    
                          20,319
       WITH 
                   -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
                     8    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI. Mr.
                          Lacob is a general partner of KPCB VI Associates. Mr.
                          Lacob disclaims beneficial ownership of shares held
                          directly by KPCB VI.
                          
- ------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9  
      1,270,319

- ------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10                  
 
 
- ------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
11    
      5.3%

- ------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON*
12
      IN

- ------------------------------------------------------------------------------

                     *SEE INSTRUCTION BEFORE FILLING OUT!


                              Page 8 of 18 pages
<PAGE>
 
- -----------------------                                  ---------------------
  CUSIP NO. 005999 02 1                  13G               PAGE 9 OF 18 PAGES
- -----------------------                                  ---------------------
 
- ------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
      Bernard Lacroute

- ------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 2                                                              (a) [_]
                                                                (b) [X]
                                                 
- ------------------------------------------------------------------------------
      SEC USE ONLY
 3
 

- ------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 4    
      United States

- ------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     5   
     NUMBER OF            20,316
 
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      6    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI. Mr.
     OWNED BY             Lacroute is a general partner of KPCB VI Associates.
                          Mr. Lacroute disclaims beneficial ownership of shares
       EACH               held directly by KPCB VI.                          

    REPORTING      -----------------------------------------------------------
                          SOLE DISPOSITIVE POWER
      PERSON          7    
                          20,316
       WITH  
       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
                     8    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI. Mr.
                          Lacroute is a general partner of KPCB VI Associates.
                          Mr. Lacroute disclaims beneficial ownership of shares
                          held directly by KPCB VI.

- ------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9  
      1,270,316

- ------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10                  
 
 
- ------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
11    
      5.3%

- ------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON*
12
      IN

- ------------------------------------------------------------------------------

                     *SEE INSTRUCTION BEFORE FILLING OUT!


                              Page 9 of 18 pages
 
<PAGE>
 
- -----------------------                                  ---------------------
  CUSIP NO. 005999 02 1                 13G               PAGE 10 OF 18 PAGES
- -----------------------                                  ---------------------
 
- ------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
      James P. Lally

- ------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 2                                                              (a) [_]
                                                                (b) [X]
                                                 
- ------------------------------------------------------------------------------
      SEC USE ONLY
 3
 

- ------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 4    
      United States

- ------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     5   
     NUMBER OF            29,026
 
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      6    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI. Mr.
     OWNED BY             Lally is a general partner of KPCB VI Associates. Mr.
                          Lally disclaims beneficial ownership of shares held
       EACH               directly by KPCB VI.                          

    REPORTING      -----------------------------------------------------------
                          SOLE DISPOSITIVE POWER
      PERSON         7    
                          29,026
       WITH 
                   -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
                     8    1,250,000 shares directly held by KPCB VI. KPCB VI
                          Associates is the general partner of KPCB VI. Mr.
                          Lally is a general partner of KPCB VI Associates. Mr.
                          Lally disclaims beneficial ownership of shares held
                          directly by KPCB VI.
                          
- ------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9  
      1,279,026

- ------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10                  
 
 
- ------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
11    
      5.4%

- ------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON*
12
      IN

- ------------------------------------------------------------------------------

                     *SEE INSTRUCTION BEFORE FILLING OUT!


                              Page 10 of 18 pages
<PAGE>
 
                                                                   Page 11 of 18

ITEM 1(A).   NAME OF ISSUER.
             -------------- 
             Millennium Pharmaceuticals, Inc.

ITEM 1(B).   ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES.
             ----------------------------------------------- 
             640 Memorial Drive
             Cambridge, MA 02139

ITEM 2(A)-(C).   NAME, ADDRESS AND CITIZENSHIP OF PERSONS FILING.
                 ----------------------------------------------- 
                 This statement is being filed by KPCB VI Associates, L.P., a
             California Limited Partnership ("KPCB VI Associates"), whose
             principal business address is 2750 Sand Hill Road, Menlo Park,
             California 94025. The names, business addresses and citizenships of
             all the general partners of KPCB VI Associates, are set forth on
             Exhibit B hereto.

                 KPCB VI Associates is general partner to Kleiner Perkins
             Caufield & Byers VI, L.P., a California limited partnership ("KPCB
             VI"). With respect to KPCB VI Associates, this statement relates
             only to KPCB VI Associates' indirect, beneficial ownership of the
             shares of Common Stock of Millennium Pharmaceuticals, Inc. held
             directly by KPCB VI (the "Shares") and, with respect to the general
             partners of KPCB VI Associates, to the extent applicable, to the
             shares over which each general partner exercises sole voting and
             dispositive control. The Shares are held directly by KPCB VI, and
             KPCB VI Associates does not directly or otherwise hold any Shares.
             Management of the business affairs of KPCB VI Associates, including
             decisions respecting disposition and/or voting of the Shares, is by
             majority decision of the general partners of KPCB VI Associates
             listed on Exhibit B hereto, each general partner of whom disclaims
             beneficial ownership of the Shares.


ITEM 2(D) AND (E).  TITLE OF CLASS OF SECURITIES AND CUSIP NUMBER.
                    --------------------------------------------- 
                    Common Stock
                    CUSIP # 005999 02 1

ITEM 3.  Not Applicable.
         -------------- 

ITEM 4.  OWNERSHIP.
         --------- 
          See Rows 5-11 of the cover pages hereto.


                              Page 11 of 18 pages
<PAGE>
 
                                                                   Page 12 of 18

ITEM 5.   OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.
          -------------------------------------------- 
          Not applicable.

ITEM 6.   OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.
          --------------------------------------------------------------- 
          Under certain circumstances set forth in the limited partnership
          agreements of KPCB VI and KPCB VI Associates, the general and limited
          partners of such entities may have the right to receive dividends on,
          or the proceeds from the sale of the Shares of Millennium
          Pharmaceuticals, Inc. held by each such entity.  No such partner's
          rights relate to more than five percent of the class.

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.  CERTIFICATION.
          ------------- 
          Not applicable.


                              Page 12 of 18 pages
<PAGE>
 
                                                                   PAge 13 of 18

                                   SIGNATURES
                                   ----------

          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.

Dated:  February 13, 1997

                                 KPCB VI ASSOCIATES, L.P.,
                                 A CALIFORNIA LIMITED PARTNERSHIP


                                 By: ________________________________
                                     A General Partner
 

                                 BROOK H. BYERS
                                 VINOD KHOSLA
                                 E. FLOYD KVAMME
                                 L. JOHN DOERR
                                 JOSEPH S. LACOB
                                 BERNARD LACROUTE
                                 JAMES P. LALLY


                                 By: ________________________________
                                     Michael S. Curry
                                     Attorney-in-Fact


                                 KLEINER PERKINS CAUFIELD & BYERS
                                 VI, L.P., A CALIFORNIA LIMITED
                                 PARTNERSHIP

                                 By KPCB VI Associates, L.P., a California
                                 limited partnership, its General Partner


                                 By: ________________________________
                                     A General Partner

                              Page 13 of 18 pages
<PAGE>
 
                                                                   Page 14 of 18

                                 EXHIBIT INDEX
                                 -------------


                                                            Found on
                                                          Sequentially
Exhibit                                                   Numbered Page
- -------                                                   -------------

Exhibit A:  Agreement of Joint Filing                           15
   
Exhibit B:  List of General Partners of KPCB VI Associates      17




                              Page 14 of 18 pages
<PAGE>
 
                                                                   Page 15 of 18
                                   EXHIBIT A
                                   ---------

                           Agreement of Joint Filing
                           -------------------------


          The undersigned hereby agree that they are filing jointly pursuant to
Rule 13d-1 of the Act the statement dated February 13, 1997, containing the
information required by Schedule 13G, for the 1,250,000 Shares of Common Stock
of Millennium Pharmaceuticals, Inc. held by Kleiner Perkins Caufield & Byers VI,
L.P., a California limited partnership, and, with respect to the general
partners, such other holdings as are reported therein.


Date:  February 13, 1997

                                 KPCB VI ASSOCIATES, L.P.,
                                 A CALIFORNIA LIMITED PARTNERSHIP


                                 By: ________________________________
                                     A General Partner


                                 BROOK H. BYERS
                                 VINOD KHOSLA
                                 E. FLOYD KVAMME
                                 L. JOHN DOERR
                                 JOSEPH LACOB
                                 BERNARD LACROUTE
                                 JAMES P. LALLY


                                 By: ________________________________
                                     A General Partner

                                 KLEINER PERKINS CAUFIELD & BYERS
                                 VI, L.P., A CALIFORNIA LIMITED
                                 PARTNERSHIP

                                 By KPCB VI Associates, L.P., a California
                                 limited partnership, its General Partner


                                 By: ________________________________


                              Page 15 of 18 pages
<PAGE>
 
                                                                   Page 16 of 18
                                   A General Partner






                              Page 16 of 18 pages
<PAGE>
 
                                                                   Page 17 of 18
                                   EXHIBIT B
                                   ---------

                              General Partners of
             KPCB VI Associates, a California limited partnership
             ----------------------------------------------------


          Set forth below, with respect to each general partner of KPCB VI
Associates, is the following:  (a) name; (b) business address and (c)
citizenship.
<TABLE> 
<S> <C>   <C>
1.  (a)   Brook H. Byers
    (b)   c/o Kleiner Perkins Caufield & Byers
          2750 Sand Hill Road
          Menlo Park, CA  94025
    (c)   United States Citizen
 
2.  (a)   Vinod Khosla
    (b)   c/o Kleiner Perkins Caufield & Byers
          2750 Sand Hill Road
          Menlo Park, CA  94025
    (c)   United States Citizen
 
3.  (a)   E. Floyd Kvamme
    (b)   c/o Kleiner Perkins Caufield & Byers
          2750 Sand Hill Road
          Menlo Park, CA  94025
    (c)   United States Citizen
 
4.  (a)   L. John Doerr
    (b)   c/o Kleiner Perkins Caufield & Byers
          2750 Sand Hill Road
          Menlo Park, CA  94025
    (c)   United States Citizen
 
5.  (a)   Joseph Lacob
    (b)   c/o Kleiner Perkins Caufield & Byers
          2750 Sand Hill Road
          Menlo Park, CA  94025
    (c)   United States Citizen

</TABLE>

                              Page 17 of 18 pages
<PAGE>
 
                                                                   Page 18 of 18
<TABLE>
<S> <C>   <C>
6.  (a)   Bernard Lacroute

    (b)   c/o Kleiner Perkins Caufield & Byers
          2750 Sand Hill Road
          Menlo Park, CA  94025
    (c)   United States Citizen

7.  (a)   James P. Lally
    (b)   c/o Kleiner Perkins Caufield & Byers
          2750 Sand Hill Road
          Menlo Park, CA  94025
    (c)   United States Citizen

</TABLE>



                              Page 18 of 18 pages


© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission