PHARMACYCLICS INC
SC 13D/A, 1997-11-04
PHARMACEUTICAL PREPARATIONS
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  Schedule 13D

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 2 )*

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


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

                                   716933 10 6
- --------------------------------------------------------------------------------
                                 (CUSIP Number)

                                Pamela K. Hagenah
                            Integral Capital Partners
                               2750 Sand Hill Road
                          Menlo Park, California 94025
                                 (650) 233-0360
- --------------------------------------------------------------------------------
           (Name, Address and Telephone Number of Person Authorized to
                       Receive Notices and Communications)

                                October 28, 1997
- --------------------------------------------------------------------------------
             (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 [_].

     NOTE: Six copies of this statement, including all exhibits, should be filed
with the  Commission.  See Rule 13d-1(a) for other parties to whom copies are to
be sent.

     *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).

                         (Continued on following pages)

                               Page 1 of 29 Pages

                       Exhibit Index Contained on Page 23


<PAGE>


<TABLE>
<CAPTION>
<S>                                                              <C>        <C>
- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  716933 10 6                                           13D        Page 2 of  29 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Management, L.P. ("ICM")
- ----------- ------------------------------------------------------------------------------------------------------------------
    2       CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                               (a)   [ ]           (b)   [X]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       SOURCE OF FUNDS*                                                                                               WC
- ----------- ------------------------------------------------------------------------------------------------------------------
    5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    6       CITIZENSHIP OR PLACE OF ORGANIZATION
                     Delaware (limited partnership)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           7      SOLE VOTING POWER                            -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     8      SHARED VOTING POWER                          -0-
                  OF
                SHARES
             BENEFICIALLY
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           9      SOLE DISPOSITIVE POWER                       -0-
                                        --------- ----------------------------------------------------------------------------
                                           10     SHARED DISPOSITIVE POWER                     -0-

- ----------- ------------------------------------------------------------------------------------------------------------------
    11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                                  -0- shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES*
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW                                                               0.00%
- ----------- ------------------------------------------------------------------------------------------------------------------
    14      TYPE OF REPORTING PERSON*                                                                                      PN
- ----------- ------------------------------------------------------------------------------------------------------------------

<FN>
                                             *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
<S>                                                              <C>        <C>
- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  716933 10 6                                           13D        Page 3 of 29 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Management II, L.P. ("ICM2")
- ----------- ------------------------------------------------------------------------------------------------------------------
    2       CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                               (a)   [ ]           (b)   [X]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       SOURCE OF FUNDS*                                                                                               WC
- ----------- ------------------------------------------------------------------------------------------------------------------
    5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    6       CITIZENSHIP OR PLACE OF ORGANIZATION
                     Delaware (limited partnership)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           7      SOLE VOTING POWER                   -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     8      SHARED VOTING POWER
                  OF                                       285,417 shares, of which 207,024 shares are directly owned by
                SHARES                                     Integral Capital Partners II, L.P. ("ICP2") and 78,393 shares are
             BENEFICIALLY                                  directly owned by Integral Capital Partners International II C.V.
            OWNED BY EACH                                  ("ICPI2"). ICM2 is the general partner of ICP2 and the investment
              REPORTING                                    general partner of ICPI2.
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           9      SOLE DISPOSITIVE POWER              -0-
                                        --------- ----------------------------------------------------------------------------
                                           10     SHARED DISPOSITIVE POWER
                                                           285,417 shares (see response to Item 8)
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                              285,417 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES*
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW                                                               2.82%
- ----------- ------------------------------------------------------------------------------------------------------------------
    14      TYPE OF REPORTING PERSON*                                                                                      PN
- ----------- ------------------------------------------------------------------------------------------------------------------

<FN>
                                             *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>

</TABLE>

<PAGE>

<TABLE>
<CAPTION>
<S>                                                              <C>        <C>
- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  716933 10 6                                           13D        Page 4 of 29 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Management III, L.P. ("ICM3")
- ----------- ------------------------------------------------------------------------------------------------------------------
    2       CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                               (a)   [ ]           (b)   [X]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       SOURCE OF FUNDS*                                                                                               WC
- ----------- ------------------------------------------------------------------------------------------------------------------
    5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    6       CITIZENSHIP OR PLACE OF ORGANIZATION
                     Delaware (limited partnership)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           7      SOLE VOTING POWER                   -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     8      SHARED VOTING POWER
                  OF                                       216,540 shares of which 176,565 shares are directly owned by
                SHARES                                     Integral Capital Partners III, L.P. ("ICP3") and 39,975 shares
             BENEFICIALLY                                  are directly owned by Integral Capital Partners International
            OWNED BY EACH                                  III, L.P. ("ICPI3").  ICM3 is the general partner of ICP3 and the
              REPORTING                                    investment general partner of ICPI3.
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           9      SOLE DISPOSITIVE POWER              -0-
                                        --------- ----------------------------------------------------------------------------
                                           10     SHARED DISPOSITIVE POWER
                                                           216,540 shares (see response to Item 8)
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                              216,540 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES*
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW                                                               2.14%
- ----------- ------------------------------------------------------------------------------------------------------------------
    14      TYPE OF REPORTING PERSON*                                                                                      PN
- ----------- ------------------------------------------------------------------------------------------------------------------
<FN>

                                             *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
<S>                                                              <C>        <C>
- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  716933 10 6                                           13D        Page 5 of 29 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Partners, L.P. ("ICP")
- ----------- ------------------------------------------------------------------------------------------------------------------
    2       CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                               (a)   [ ]           (b)   [X]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       SOURCE OF FUNDS*                                                                                               WC
- ----------- ------------------------------------------------------------------------------------------------------------------
    5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    6       CITIZENSHIP OR PLACE OF ORGANIZATION
                     Delaware (limited partnership)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           7      SOLE VOTING POWER                            -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     8      SHARED VOTING POWER                          -0-
                  OF
                SHARES
             BENEFICIALLY
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           9      SOLE DISPOSITIVE POWER                       -0-
                                        --------- ----------------------------------------------------------------------------
                                           10     SHARED DISPOSITIVE POWER                     -0-

- ----------- ------------------------------------------------------------------------------------------------------------------
    11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                                  -0- shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES*
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW                                                               0.00%
- ----------- ------------------------------------------------------------------------------------------------------------------
    14      TYPE OF REPORTING PERSON*                                                                                      PN
- ----------- ------------------------------------------------------------------------------------------------------------------

<FN>
                                             *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
<S>                                                              <C>        <C>
- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  716933 10 6                                           13D        Page 6 of 29 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Partners International C.V. ("ICPI")
- ----------- ------------------------------------------------------------------------------------------------------------------
    2       CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                               (a)   [ ]           (b)   [X]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       SOURCE OF FUNDS*                                                                                               WC
- ----------- ------------------------------------------------------------------------------------------------------------------
    5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    6       CITIZENSHIP OR PLACE OF ORGANIZATION
            -----------------------------------------------------------------------------------------------------------------
                     Netherlands Antilles (limited partnership)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           7      SOLE VOTING POWER                            -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     8      SHARED VOTING POWER                          -0-
                  OF
                SHARES
             BENEFICIALLY
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           9      SOLE DISPOSITIVE POWER                       -0-
                                        --------- ----------------------------------------------------------------------------
                                           10     SHARED DISPOSITIVE POWER                     -0-

- ----------- ------------------------------------------------------------------------------------------------------------------
    11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                                  -0- shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES*
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW                                                               0.00%
- ----------- ------------------------------------------------------------------------------------------------------------------
    14      TYPE OF REPORTING PERSON*                                                                                      PN
- ----------- ------------------------------------------------------------------------------------------------------------------

<FN>
                                             *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
<S>                                                              <C>        <C>
- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  716933 10 6                                           13D        Page 7 of 29 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Partners II, L.P. ("ICP2")
- ----------- ------------------------------------------------------------------------------------------------------------------
    2       CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                               (a)   [ ]           (b)   [X]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       SOURCE OF FUNDS*                                                                                               WC
- ----------- ------------------------------------------------------------------------------------------------------------------
    5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    6       CITIZENSHIP OR PLACE OF ORGANIZATION
                     Delaware (limited partnership)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           7      SOLE VOTING POWER                   -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     8      SHARED VOTING POWER
                  OF                                       207,024 shares are directly owned by ICP2.  Integral Capital
                SHARES                                     Management II, L.P. is the general partner of ICP2.
             BENEFICIALLY
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           9      SOLE DISPOSITIVE POWER              -0-
                                        --------- ----------------------------------------------------------------------------
                                           10     SHARED DISPOSITIVE POWER
                                                           207,024 shares (see response to Item 8)
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                              207,024 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES*
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW                                                               2.05%
- ----------- ------------------------------------------------------------------------------------------------------------------
    14      TYPE OF REPORTING PERSON*                                                                                      PN
- ----------- ------------------------------------------------------------------------------------------------------------------

<FN>
                                             *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
<S>                                                              <C>        <C>
- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  716933 10 6                                           13D        Page 8 of 29 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Partners International II C.V. ("ICPI2")
- ----------- ------------------------------------------------------------------------------------------------------------------
    2       CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                               (a)   [ ]           (b)   [X]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       SOURCE OF FUNDS*                                                                                               WC
- ----------- ------------------------------------------------------------------------------------------------------------------
    5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    6       CITIZENSHIP OR PLACE OF ORGANIZATION
                     Netherlands Antilles (limited partnership)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           7      SOLE VOTING POWER                   -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     8      SHARED VOTING POWER
                  OF                                       78,393 shares are directly owned by ICPI2.  Integral Capital
                SHARES                                     Management II, L.P. is the investment general partner of ICPI2.
             BENEFICIALLY
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           9      SOLE DISPOSITIVE POWER              -0-
                                        --------- ----------------------------------------------------------------------------
                                           10     SHARED DISPOSITIVE POWER
                                                           78,393 shares (see response to Item 8)
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                               78,393 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES*
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW                                                               0.78%
- ----------- ------------------------------------------------------------------------------------------------------------------
    14      TYPE OF REPORTING PERSON*                                                                                      PN
- ----------- ------------------------------------------------------------------------------------------------------------------

<FN>
                                             *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
<S>                                                              <C>        <C>
- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  716933 10 6                                           13D        Page 9 of 29 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Partners III, L.P. ("ICP3")
- ----------- ------------------------------------------------------------------------------------------------------------------
    2       CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                               (a)   [ ]           (b)   [X]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       SOURCE OF FUNDS*                                                                                               WC
- ----------- ------------------------------------------------------------------------------------------------------------------
    5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    6       CITIZENSHIP OR PLACE OF ORGANIZATION
                     Delaware (limited partnership)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           7      SOLE VOTING POWER                   -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     8      SHARED VOTING POWER
                  OF                                       176,565 shares are directly owned by ICP3.  Integral Capital
                SHARES                                     Management III, L.P. is the general partner of ICP3.
             BENEFICIALLY
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           9      SOLE DISPOSITIVE POWER              -0-
                                        --------- ----------------------------------------------------------------------------
                                           10     SHARED DISPOSITIVE POWER
                                                           176,565 shares (see response to Item 8)
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                              176,565 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES*
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW                                                               1.75%
- ----------- ------------------------------------------------------------------------------------------------------------------
    14      TYPE OF REPORTING PERSON*                                                                                      PN
- ----------- ------------------------------------------------------------------------------------------------------------------

<FN>
                                             *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
<S>                                                              <C>        <C>
- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  716933 10 6                                           13D        Page 10 of 29 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Partners International III, L.P. ("ICPI3")
- ----------- ------------------------------------------------------------------------------------------------------------------
    2       CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                               (a)   [ ]           (b)   [X]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       SOURCE OF FUNDS*                                                                                               WC
- ----------- ------------------------------------------------------------------------------------------------------------------
    5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    6       CITIZENSHIP OR PLACE OF ORGANIZATION
                     Cayman Islands (exempted limited partnership)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           7      SOLE VOTING POWER                   -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     8      SHARED VOTING POWER
                  OF                                       39,975 shares are directly owned by ICPI3.  Integral Capital
                SHARES                                     Management III, L.P. is the investment general partner of ICPI3.
             BENEFICIALLY
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           9      SOLE DISPOSITIVE POWER              -0-
                                        --------- ----------------------------------------------------------------------------
                                           10     SHARED DISPOSITIVE POWER
                                                           39,975 shares (see response to Item 8)
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                               39,975 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES*
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW                                                               0.40%
- ----------- ------------------------------------------------------------------------------------------------------------------
    14      TYPE OF REPORTING PERSON*                                                                                      PN
- ----------- ------------------------------------------------------------------------------------------------------------------

<FN>
                                             *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
<S>                                                              <C>        <C>
- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  716933 10 6                                           13D        Page 11 of 29 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Roger B. McNamee
- ----------- ------------------------------------------------------------------------------------------------------------------
    2       CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                               (a)   [ ]           (b)   [X]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       SOURCE OF FUNDS*                                                                                               WC
- ----------- ------------------------------------------------------------------------------------------------------------------
    5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    6       CITIZENSHIP OR PLACE OF ORGANIZATION
                     United States citizen
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           7      SOLE VOTING POWER                   -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     8      SHARED VOTING POWER
                  OF                                       2,521 shares.  Mr. McNamee is one of two general partners of ICM.
                SHARES
             BENEFICIALLY
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           9      SOLE DISPOSITIVE POWER              -0-
                                        --------- ----------------------------------------------------------------------------
                                           10     SHARED DISPOSITIVE POWER
                                                           2,521 shares (see response to Item 8)
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                                2,521 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES*
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW                                                               0.02%
- ----------- ------------------------------------------------------------------------------------------------------------------
    14      TYPE OF REPORTING PERSON*                                                                                      IN
- ----------- ------------------------------------------------------------------------------------------------------------------

<FN>
                                             *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
<S>                                                              <C>        <C>
- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  716933 10 6                                           13D        Page 12 of 29 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     John A. Powell
- ----------- ------------------------------------------------------------------------------------------------------------------
    2       CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                               (a)   [ ]           (b)   [X]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       SOURCE OF FUNDS*                                                                                               WC
- ----------- ------------------------------------------------------------------------------------------------------------------
    5       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    6       CITIZENSHIP OR PLACE OF ORGANIZATION
                     United States citizen
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           7      SOLE VOTING POWER                   
                                                           2,521 shares.  Mr. Powell is one of two general partners of ICM.
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     8      SHARED VOTING POWER                 -0-
                  OF                                       
                SHARES
             BENEFICIALLY
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           9      SOLE DISPOSITIVE POWER 
                                                           2,521 shares (see response to Item 8)
                                        --------- ----------------------------------------------------------------------------
                                           10     SHARED DISPOSITIVE POWER            -0-
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                                2,521 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES*
                                                                                                                         [ ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW                                                               0.02%
- ----------- ------------------------------------------------------------------------------------------------------------------
    14      TYPE OF REPORTING PERSON*                                                                                      IN
- ----------- ------------------------------------------------------------------------------------------------------------------

<FN>
                                             *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

<PAGE>


                                                                   Page 13 of 29

     This statement constitutes Amendment No. 2 to the statement on Schedule 13D
of  Pharmacyclics,  Inc.  (the  "Issuer")  filed on April 5, 1996, as amended by
Amendment No. 1 filed on August 27, 1996 (as so amended, the "Schedule 13D"), by
and  on  behalf  of  Integral  Capital  Management,  L.P.,  a  Delaware  limited
partnership  ("ICM"),  Integral Capital  Management II, L.P., a Delaware limited
partnership ("ICM2"),  Integral Capital Management III, L.P., a Delaware limited
partnership  ("ICM3") and the general  partners of ICM. The  principal  business
address of ICM,  ICM2 and ICM3 is 2750 Sand Hill Road,  Menlo  Park,  California
94025. The names,  business  addresses,  occupations and citizenships of all the
general  partners  of ICM,  ICM2 and ICM3 are set  forth on  Exhibit  B  hereto.
Capitalized  terms not defined  herein have the meaning  ascribed to them in the
Schedule 13D.

     Only those items amended are reported herein.

ITEM 2.  IDENTITY AND BACKGROUND

     Item 2 of the  Schedule  13D is  hereby  amended  and  restated  in full as
follows:

     ICM is the general partner of Integral Capital  Partners,  L.P., a Delaware
limited  partnership  ("ICP"),  and the investment  general  partner of Integral
Capital Partners  International C.V., a Netherlands Antilles limited partnership
("ICPI").  ICM2 is the general partner of Integral  Capital Partners II, L.P., a
Delaware limited  partnership  ("ICP2"),  and the investment  general partner of
Integral Capital Partners  International II C.V., a Netherlands Antilles limited
partnership ("ICPI2").  ICM3 is the general partner of Integral Capital Partners
III, L.P., a Delaware limited partnership  ("ICP3"),  and the investment general
partner of Integral Capital Partners  International  III, L.P., a Cayman Islands
exempted limited partnership ("ICPI3").  ICP2, ICPI2, ICP3 and ICPI3 are private
investment  funds that  invest in  securities  of  publicly  traded and  private
companies, predominantly in the areas of information sciences and life sciences.
ICP and ICPI are  private  investment  funds that are now in  liquidation.  With
respect to ICM, ICM2, ICM3 and the general  partners of ICM, ICM2 and ICM3, this
statement  relates  only  to  ICM's,  ICM2's  and  ICM3's  indirect,  beneficial
ownership of shares of Common Stock of  Pharmacyclics,  Inc. (the  "Shares") and
the  Shares  that are  directly  owned by the two  general  partners  of ICM who
received such shares as part of a distribution  by ICP. None of ICM, ICM2,  ICM3
or the general  partners of ICM,  ICM2 and ICM3  directly or otherwise  hold any
Shares other than as indicated in this Amendment No. 2.

     Management of the business  affairs of ICM2 and ICM3,  including  decisions
respecting disposition and/or voting of the Shares, resides in a majority of the
general  partners  of ICM2 and ICM3  listed  on  Exhibit  B, such that no single
general  partner  of ICM2 or ICM3 has  voting  and/or  dispositive  power of the
Shares.   Management  of  the  business  affairs  of  ICM,  including  decisions
respecting  disposition and/or voting of the Shares,  resides in the two general
partners of ICM listed on Exhibit B.

     To the best of ICM's,  ICM2's and  ICM3's  knowledge,  none of the  persons
listed on Exhibit B hereto has, during the last five years,  been convicted in a
criminal  proceeding  (excluding traffic violations or similar  misdemeanors) or
been 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  activities  subject to federal or state securities laws or finding
any violation with respect to such laws.


<PAGE>


                                                                   Page 14 of 29


ITEM 3.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

     Item 3 of Schedule 13D is hereby amended and restated in full as follows:

     The aggregate amount of  consideration  required by ICP2,  ICPI2,  ICP3 and
ICPI3 to  purchase  the  501,957  shares to which  this  statement  relates  was
approximately  $5.3  million.  The  consideration  was obtained from the working
capital of ICP2,  ICPI2,  ICP3 and ICPI3 as well as the net exercise of warrants
held by ICP2 and ICPI2. There was no consideration  paid by Messrs.  McNamee and
Powell for the Shares  they hold since those  shares were  received as part of a
distribution from ICP.


ITEM 4.  PURPOSE OF TRANSACTION

     Item 4 of the  Schedule  13D is  hereby  amended  and  restated  in full as
follows:

     The  purchases  of the  Shares by ICP2,  ICPI2,  ICP3 and  ICPI3  were made
pursuant to (i) private  purchases from the Issuer prior to the Issuer's initial
public offering (the "IPO"),  (ii) a series of open market purchases  subsequent
to the IPO and (iii) in the case of ICP2 and ICPI2, the net exercise of warrants
held by ICP2  and  ICPI2.  The  purchases  of the  Shares  were not made for the
purpose of acquiring control of the Issuer.  From time to time, ICM2 may, in the
ordinary  course  of its role as  general  partner  of ICP2  and the  investment
general partner of ICPI2, direct ICP2 and/or ICPI2 to purchase additional shares
or sell all or a portion of the Shares now held by ICP2 or ICPI2,  and ICM3 may,
in the ordinary course of its role as general partner of ICP3 and the investment
general partner of ICPI3, direct ICP3 and/or ICPI3 to purchase additional shares
or sell all or a portion of the Shares now held by ICP3 or ICPI3.

     Except as set forth above,  none of ICM, ICM2,  ICM3 nor the persons listed
on Exhibit B hereto has any current  plans or proposals  that relate to or would
result in the  occurrence  of any of the actions or events  enumerated in clause
(a) through (j) of Item 4 of Schedule 13D.

ITEM 5.  INTEREST IN SECURITIES OF THE ISSUER

     Item 5 of the  Schedule  13D is  hereby  amended  and  restated  in full as
follows:

     A. Integral Capital Management, L.P. ("ICM")

         (a) Amount Beneficially Owned: -0-
             Percent of Class: 0.00%

         (b) Number of shares as to which such person has:
             1.    Sole power to vote or to direct vote: -0-
             2.    Shared power to vote or to direct vote: -0-
             3.    Sole power to dispose or to direct the disposition: -0-
             4.    Shared power to dispose or to direct the disposition: -0-

         (c) To the best  knowledge of ICM, none of ICP,  ICPI,  ICM, nor any of
the persons  listed as general  partners of ICM on Exhibit B hereto has directly
effected any  transactions in the Shares during the 60 days prior to October 28,
1997, other than the transactions described in Items 5B(c) and 5C(c) below.



<PAGE>


                                                                   Page 15 of 29

         (d) ICM is the general partner of Integral  Capital  Partners,  L.P., a
Delaware  limited  partnership  ("ICP"),  and the investment  general partner of
Integral Capital  Partners  International  C.V., a Netherlands  Antilles limited
partnership  ("ICPI").  Roger B.  McNamee  and John A.  Powell  are the  general
partners  of ICM and  therefore  have the power to direct  the  affairs  of ICM,
including decisions  respecting the disposition of the proceeds from the sale of
securities.  Under certain  circumstances  set forth in the limited  partnership
agreements  of ICP,  ICPI and ICM,  the  general  and  limited  partners of such
entities may receive dividends from, or the proceeds from the sale of securities
owned, directly or indirectly, by each such entity.

         (e) Not applicable.

     B. Integral Capital Management II, L.P. ("ICM2")

         (a) Amount Beneficially Owned: 285,417
             Percent of Class: 2.82%

         (b) Number of shares as to which such person has:
             1.    Sole power to vote or to direct vote: -0-
             2.    Shared power to vote or to direct vote: 285,417
             3.    Sole power to dispose or to direct the disposition: -0-
             4.    Shared power to dispose or to direct the disposition: 285,417

         (c) To the best knowledge of ICM2, none of ICP2,  ICPI2,  ICM2, nor any
of the  persons  listed as  general  partners  of ICM2 on  Exhibit B hereto  has
directly  effected any  transactions  in the Shares  during the 60 days prior to
October 28,  1997,  other than the net exercise by ICP2 and ICPI2 on October 15,
1997 of warrants to purchase  14,876 shares and 5,643 shares,  respectively,  of
Common Stock and the  transactions  described  in Item 5C(b) below.  Pursuant to
such net  exercises,  ICP2 was issued  9,933  shares and ICPI2 was issued  3,768
shares of Common Stock.

         (d) ICM2 is the  general  partner  of ICP2 and the  investment  general
partner of ICPI2. Roger B. McNamee, John A. Powell and Pamela K. Hagenah are the
general  partners  of ICM2.  Decisions  respecting  the voting of the Shares and
disposition  of the  proceeds  from the sale of the Shares are  determined  by a
majority of the general partners.  Under certain  circumstances set forth in the
limited partnership  agreements of ICP2, ICPI2 and ICM2, the general and limited
partners of such entities may receive  dividends  from, or the proceeds from the
sale of Shares of Common Stock of Pharmacyclics  owned,  directly or indirectly,
by each such entity.

         (e) Not applicable.

     C. Integral Capital Management III, L.P. ("ICM3")

         (a) Amount Beneficially Owned: 216,540
             Percent of Class: 2.14%

         (b) Number of shares as to which such person has:
             1.    Sole power to vote or to direct vote: -0-
             2.    Shared power to vote or to direct vote: 216,540
             3.    Sole power to dispose or to direct the disposition: -0-
             4.    Shared power to dispose or to direct the disposition: 216,540


<PAGE>


                                                                   Page 16 of 29

     To the best knowledge of ICM3, the only transactions in the Shares effected
during the 60 days on or prior to October 28, 1997 by Integral  Capital Partners
III, L.P., a Delaware limited  partnership  ("ICP3"),  Integral Capital Partners
International   III,  L.P.,  a  Cayman  Islands  exempted  limited   partnership
("ICPI3"),  ICM3,  or any of the persons  listed as general  partners of ICM3 on
Exhibit B hereto  occurred  on October 28,  1997,  when ICP3 and ICPI3 made open
market  purchases  of  9,570  and  430  shares  of the  Issuer's  Common  Stock,
respectively,  for a  consideration  per  share of $21.00  and the  transactions
described in Item 5B(c) above.

         (c) ICM3 is the  general  partner  of ICP3 and the  investment  general
partner of ICPI3. Roger B. McNamee, John A. Powell and Pamela K. Hagenah are the
general  partners  of ICM3.  Decisions  respecting  the voting of the Shares and
disposition  of the  proceeds  from the sale of the Shares are  determined  by a
majority of the general partners.  Under certain  circumstances set forth in the
limited partnership  agreements of ICP3, ICPI3 and ICM3, the general and limited
partners of such entities may receive  dividends  from, or the proceeds from the
sale of  Shares  of Common  Stock of  Pharmacyclics,  Inc.  owned,  directly  or
indirectly, by each such entity.

         (d) Not applicable.

     D.  Roger B. McNamee

         (a) Amount Beneficially Owned: 2,521 
             Percent of Class: 0.02%

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

             1.    Sole power to vote or to direct vote: -0-
             2.    Shared power to vote or to direct vote: 2,521
             3.    Sole power to dispose or to direct the disposition: -0-
             4.    Shared power to dispose or to direct the disposition: 2,521

         (c) Please see Items 5A(c), 5B(c) and 5C(c) above.

         (d) Please see Items 5A(d), 5B(d) and 5C(d) above.

         (e) Not applicable.

     E.  John A. Powell

         (a) Amount Beneficially Owned: 2,521 
             Percent of Class: 0.02%


<PAGE>


                                                                   Page 17 of 29

         (b) Number of shares as to which such person has:
             1.    Sole power to vote or to direct vote:  2,521
             2.    Shared power to vote or to direct vote:  -0-
             3.    Sole power to dispose or to direct the disposition:  2,521
             4.    Shared power to dispose or to direct the disposition:  -0-

         (c) Please see Items 5A(c), 5B(c) and 5C(c) above.

         (d) Please see Items 5A(d), 5B(d) and 5C(d) above.

         (e) Not applicable.

     F.  Integral Capital Partners, L.P.

         (a) Aggregate number of Shares owned: -0- 
             Percentage: 0%

         (b) 1. Sole power to vote or to direct vote: -0-
             2. Shared power to vote or to direct  vote:  -0-
             3. Sole  power to dispose or to direct the disposition:  -0- 
             4. Shared  power to  dispose  or to  direct  the disposition: -0-

         (c) See Item 5A(c) above.

         (d) See Item 5A(d) above.

         (e) Not applicable.

     G.  Integral Capital Partners International C.V.

         (a) Aggregate number of Shares owned: -0- 
             Percentage: 0%

         (b) 1.    Sole power to vote or to direct vote:  -0-
             2.    Shared power to vote or to direct vote:  -0-
             3.    Sole power to dispose or to direct the disposition:  -0-
             4.    Shared power to dispose or to direct the disposition:  -0-

         (c) See Item 5A(c) above.

         (d) See Item 5A(d) above.

         (e) Not applicable. 
<PAGE>

                                                                   Page 18 of 29

     H.  Integral Capital Partners II, L.P.

         (a) Aggregate number of Shares owned: 207,024 
             Percentage: 2.05%

         (b) 1.  Sole power to vote or to direct vote:  -0-
             2.  Shared power to vote or to direct vote:  207,024
             3.  Sole power to dispose or to direct the disposition:  -0-
             4.  Shared power to dispose or to direct the disposition:  207,024

         (c) See item 5B(c) above.

         (d) See Item 5B(d) above.

         (e) Not applicable.

     I.  Integral Capital Partners International II C.V.

         (a) Aggregate number of Shares owned: 78,393 
             Percentage: 0.78%

         (b) 1.    Sole power to vote or to direct vote:  -0-
             2.    Shared power to vote or to direct vote:  78,393
             3.    Sole power to dispose or to direct the disposition:  -0-
             4.    Shared power to dispose or to direct the disposition:  78,393

         (c) See Item 5B(c) above.

         (d) See Item 5B(d) above.

         (e) Not applicable.

     J.  Integral Capital Partners III, L.P.

         (a) Aggregate number of Shares owned: 176,565 
             Percentage: 1.75%

         (b) 1.   Sole power to vote or to direct vote: -0-
             2.   Shared power to vote or to direct vote:  176,565
             3.   Sole power to dispose or to direct the disposition: -0-
             4.   Shared power to dispose or to direct the disposition:  176,565

         (c) See Item 5C(c) above.

         (d) See Item 5C(d) above.

         (e) Not applicable.

<PAGE>

                                                                   Page 19 of 29

     K.  Integral Capital Partners International III, L.P.

         (a) Aggregate number of Shares owned: 39,975 
             Percentage: 0.40%

         (b) 1.    Sole power to vote or to direct vote: -0-
             2.    Shared power to vote or to direct vote:  39,975
             3.    Sole power to dispose or to direct the disposition: -0-
             4.    Shared power to dispose or to direct the disposition:  39,975

         (c) See Item 5C(c) above.

         (d) See Item 5C(d) above.

         (e) Not applicable.



ITEM 7.  MATERIALS TO BE FILED AS EXHIBITS

         Exhibit A:     Agreement of Joint Filing

         Exhibit B:     List of General Partners of Integral Capital Management,
                        L.P.,  Integral Capital Management II, L.P. and Integral
                        Capital Management III, L.P.

<PAGE>

                                                                   Page 20 of 29

                                    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.

Dated:  November 4, 1997

                           INTEGRAL CAPITAL MANAGEMENT, L.P.


                           By    /s/ John A. Powell
                              ---------------------------------------
                                 John A. Powell
                                 a General Partner


                           INTEGRAL CAPITAL MANAGEMENT II, L.P.


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                a General Partner


                           INTEGRAL CAPITAL MANAGEMENT III, L.P.


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                a General Partner

                           ROGER B. McNAMEE
                           JOHN A. POWELL


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                Attorney-in-Fact


                           INTEGRAL CAPITAL PARTNERS, L.P.

                           By Integral Capital Management, L.P.,
                           its General Partner


                           By:   /s/ John A. Powell
                              ---------------------------------------
                                 John A. Powell
                                 a General Partner


<PAGE>


                                                                   Page 21 of 29


                           INTEGRAL CAPITAL PARTNERS II, L.P.

                           By Integral Capital Management II, L.P.,
                           its General Partner


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                a General Partner


                           INTEGRAL CAPITAL PARTNERS III, L.P.

                           By Integral Capital Management III, L.P.
                           its General Partner


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                a General Partner


                           INTEGRAL CAPITAL PARTNERS INTERNATIONAL C.V.

                           By Integral Capital Management, L.P.,
                           its Investment General Partner


                           By:   /s/ John A. Powell
                              ---------------------------------------
                                 John A. Powell
                                 a General Partner

                           INTEGRAL CAPITAL PARTNERS INTERNATIONAL II C.V.

                           By Integral Capital Management II, L.P.,
                           its Investment General Partner


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                a General Partner

<PAGE>

                                                                   Page 22 of 29


                           INTEGRAL CAPITAL PARTNERS INTERNATIONAL
                           III, L.P.

                           By Integral Capital Management III, L.P.,
                           its Investment General Partner


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                a General Partner


<PAGE>

                                                                   Page 23 of 29


                                  EXHIBIT INDEX


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

Exhibit A:        Agreement of Joint Filing                             24

Exhibit B:        List of General Partners of Integral Capital          27
                  Management, L.P., Integral Capital
                  Management II, L.P. and Integral Capital
                  Management III, L.P.


<PAGE>

                                                                   Page 24 of 29


                                    EXHIBIT A

                            Agreement of Joint Filing


                  The  undersigned  hereby  agree that they are  filing  jointly
pursuant to Rule  13d-1(f)(1)  of the Act the statement  dated October 28, 1997,
containing the  information  required by Schedule 13D, for the 501,957 Shares of
the Common Stock of  Pharmacyclics,  Inc., held by Integral Capital Partners II,
L.P., a Delaware limited partnership, Integral Capital Partners International II
C.V., a Netherlands Antilles limited partnership, Integral Capital Partners III,
L.P.,  a  Delaware   limited   partnership,   and  Integral   Capital   Partners
International III, L.P., a Cayman Islands exempted limited partnership.

Date:  November 4, 1997


                           INTEGRAL CAPITAL MANAGEMENT, L.P.


                           By:   /s/ John A. Powell
                              ---------------------------------------
                                 John A. Powell
                                 a General Partner


                           INTEGRAL CAPITAL MANAGEMENT II, L.P.


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                a General Partner

                           INTEGRAL CAPITAL MANAGEMENT III, L.P.


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                a General Partner

                           ROGER B. McNAMEE
                           JOHN A. POWELL


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                Attorney-in-Fact

<PAGE>
                                                                   Page 25 of 29


                           INTEGRAL CAPITAL PARTNERS, L.P.

                           By Integral Capital Management, L.P.,
                           its General Partner


                           By:   /s/ John A. Powell
                              ---------------------------------------
                                 John A. Powell
                                 a General Partner


                           INTEGRAL CAPITAL PARTNERS INTERNATIONAL C.V.

                           By Integral Capital Management, L.P., its Investment
                           General Partner


                           By:   /s/ John A. Powell
                              ---------------------------------------
                                 John A. Powell
                                 a General Partner


                           INTEGRAL CAPITAL PARTNERS II, L.P.

                           By Integral Capital Management II, L.P.,
                           its General Partner


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                a General Partner


                           INTEGRAL CAPITAL PARTNERS INTERNATIONAL II C.V.

                           By Integral Capital Management II, L.P., its 
                           Investment General Partner


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                a General Partner

<PAGE>

                                                                   Page 26 of 29

                           INTEGRAL CAPITAL PARTNERS III, L.P.

                           By Integral Capital Management III, L.P.,
                           its General Partner


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                a General Partner


                           INTEGRAL CAPITAL PARTNERS INTERNATIONAL III, L.P.

                           By Integral Capital Management III, L.P.,
                           its Investment General Partners


                           By:  /s/ Pamela K. Hagenah
                              ---------------------------------------
                                Pamela K. Hagenah
                                a General Partner


<PAGE>
                                                                   Page 27 of 29

                                    EXHIBIT B

                               General Partners of
                        Integral Capital Management, L.P.

         Set forth  below,  with  respect to each  general  partner of  Integral
Capital Management,  L.P., is the following: (a) name; (b) business address; (c)
principal occupation; and (d) citizenship.

1.       (a)      Roger B. McNamee
         (b)      c/o Integral Capital Partners
                  2750 Sand Hill Road,
                  Menlo Park, CA  94025
         (c)      General Partner of Integral Capital Management, L.P., Integral
                  Capital  Management II, L.P. and Integral  Capital  Management
                  III, L.P.
         (d)      United States Citizen

2.       (a)      John A. Powell
         (b)      c/o Integral Capital Partners
                  2750 Sand Hill Road,
                  Menlo Park, CA  94025
         (c)      General Partner of Integral Capital Management, L.P., Integral
                  Capital  Management II, L.P. and Integral  Capital  Management
                  III, L.P.
         (d)      United States Citizen


<PAGE>

                                                                   Page 28 of 29

                               General Partners of
                      Integral Capital Management II, L.P.

         Set forth  below,  with  respect to each  general  partner of  Integral
Capital  Management II, L.P., is the following:  (a) name; (b) business address;
(c) principal occupation; and (d) citizenship.

1.       (a)      Roger B. McNamee
         (b)      c/o Integral Capital Partners
                  2750 Sand Hill Road,
                  Menlo Park, CA  94025
         (c)      General Partner of Integral Capital Management, L.P., Integral
                  Capital  Management II, L.P. and Integral  Capital  Management
                  III, L.P.
         (d)      United States Citizen

2.       (a)      John A. Powell
         (b)      c/o Integral Capital Partners
                  2750 Sand Hill Road,
                  Menlo Park, CA  94025
         (c)      General Partner of Integral Capital Management, L.P., Integral
                  Capital  Management II, L.P. and Integral  Capital  Management
                  III, L.P.
         (d)      United States Citizen

3.       (a)      Pamela K. Hagenah
         (b)      c/o Integral Capital Partners
                  2750 Sand Hill Road,
                  Menlo Park, CA  94025
         (c)      General  Partner of Integral  Capital  Management II, L.P. and
                  Integral Capital Management III, L.P.
         (d)      United States Citizen

<PAGE>

                                                                   Page 29 of 29


                               General Partners of
                      Integral Capital Management III, L.P.

         Set forth  below,  with  respect to each  general  partner of  Integral
Capital Management III, L.P., is the following:  (a) name; (b) business address;
(c) principal occupation; and (d) citizenship.

1.       (a)      Roger B. McNamee
         (b)      c/o Integral Capital Partners
                  2750 Sand Hill Road,
                  Menlo Park, CA  94025
         (c)      General Partner of Integral Capital Management, L.P., Integral
                  Capital  Management II, L.P. and Integral  Capital  Management
                  III, L.P.
         (d)      United States Citizen

2.       (a)      John A. Powell
         (b)      c/o Integral Capital Partners
                  2750 Sand Hill Road,
                  Menlo Park, CA  94025
         (c)      General Partner of Integral Capital Management, L.P., Integral
                  Capital  Management II, L.P. and Integral  Capital  Management
                  III, L.P.
         (d)      United States Citizen

3.       (a)      Pamela K. Hagenah
         (b)      c/o Integral Capital Partners
                  2750 Sand Hill Road,
                  Menlo Park, CA  94025
         (c)      General  Partner of Integral  Capital  Management II, L.P. and
                  Integral Capital Management III, L.P.
         (d)      United States Citizen





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