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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                -----------------
                                   SCHEDULE TO
                                  (RULE 13E-4)
                               (Amendment No. 3)

            TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1)
                     OF THE SECURITIES EXCHANGE ACT OF 1934
                                -----------------
                             INFORMATICA CORPORATION
         (Name of Subject Company (Issuer) and Filing Person (Offeror))
                                -----------------
          OPTIONS TO PURCHASE COMMON STOCK, PAR VALUE $0.001 PER SHARE
                         (Title of Class of Securities)
                                -----------------
                                   45666Q-10-Z
                      (CUSIP Number of Class of Securities)
                            (Underlying Common Stock)
                                -----------------
                                GAURAV S. DHILLON
                             CHIEF EXECUTIVE OFFICER
                             INFORMATICA CORPORATION
                              3350 W. BAYSHORE ROAD
                           PALO ALTO, CALIFORNIA 94303
                                 (650) 687-6200
                 (Name, address, and telephone number of person
                authorized to receive notices and communications
                           on behalf of filing person)
                                -----------------
                                   COPIES TO:
                             MARK A. BERTELSEN, ESQ.
                              JOSE F. MACIAS, ESQ.
                              J. ROL WILLIAMS, ESQ.
                        WILSON SONSINI GOODRICH & ROSATI
                            PROFESSIONAL CORPORATION
                               650 PAGE MILL ROAD
                               PALO ALTO, CA 94304
                                 (650) 493-9300
                                -----------------
                            CALCULATION OF FILING FEE


                                                
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      TRANSACTION VALUATION*                       AMOUNT OF FILING FEE
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           $111,390,307                                 $22,287**
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*      Calculated solely for purposes of determining the filing fee. This amount
       assumes that options to purchase 11,569,972 shares of common stock of
       Informatica Corporation having an aggregate value of $111,390,307 as of
       August 14, 2001 will be exchanged pursuant to this offer. The aggregate
       value of such options was calculated based on the Black-Scholes option
       pricing model. The amount of the filing fee, calculated in accordance
       with Rule 0-11(b) of the Securities Exchange Act of 1934, as amended,
       equals 1/50th of one percent of the value of the transaction.

**     $16,659 was previously paid.

[X]    Check box if any part of the fee is offset as provided by Rule 0-11(a)(2)
       and identify the filing with which the offsetting fee was previously
       paid. Identify the previous filing by registration statement number, or
       the Form or Schedule and the date of its filing.

                         Amount Previously Paid: $16,659
                         Form or Registration No.: Schedule TO
                         Filing party: Informatica Corporation
                         Date filed: July 20, 2001

[ ]    Check box if the filing relates solely to preliminary communications made
       before the commencement of a tender offer.

Check the appropriate boxes to designate any transactions to which the statement
relates:

       [ ]    third-party tender offer subject to Rule 14d-1.
       [X]    issuer tender offer subject to Rule 13e-4.
       [ ]    going-private transaction subject to Rule 13e-3.
       [ ]    amendment to Schedule 13D under Rule 13d-2.

Check the following box if the filing is a final amendment reporting the results
of the tender offer: [ ]

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                             INTRODUCTORY STATEMENT

         This Amendment No. 3 amends and supplements the Tender Offer Statement
on Schedule TO filed by Informatica Corporation (the "Company") with the
Securities and Exchange Commission (the "SEC") on July 20, 2001, as amended by
Amendment No. 1 to the Tender Offer Statement on Schedule TO filed with the SEC
on July 24, 2001 and Amendment No. 2 to the Tender Offer Statement on Schedule
TO filed with the SEC on July 23, 2001 (the "Schedule TO"), relating to an offer
by the Company to exchange outstanding options to purchase the Company's common
stock as set forth in the Schedule TO held by eligible employees of the Company
for new options to purchase shares of the Company's common stock. This exchange
offer will occur upon the terms and subject to the conditions described in (1)
the Offer to Exchange filed as Exhibit (a)(1) to the Schedule TO, (2) the
Memorandum from Gaurav S. Dhillon filed as Exhibit (a)(2) to the Schedule TO,
(3) the Election Form filed as Exhibit (a)(3) to the Schedule TO, (4) the Notice
to Withdraw from the Offer filed as Exhibit (a)(4) to the Schedule TO and (5)
the Form of Promise to Grant Stock Option(s) filed as Exhibit (a)(5) to the
Schedule TO.

         This Amendment No. 3 amends the Schedule TO as follows:

         (i)  The second sentence of the fifth paragraph of Section 6 of the
              Offer to Exchange, which Offer to Exchange is attached to the
              Schedule TO as Exhibit (a)(1) thereto, is hereby amended and
              restated in full to state as follows: "Promptly after the
              expiration date of the offer, we will issue to you a Promise to
              Grant Stock Option(s), by which we will commit to grant stock
              options to you on a date no earlier than March 14, 2002 covering
              the appropriate number of shares, calculated according to the
              number of shares issuable upon exercise of the options cancelled
              pursuant to this offer, provided that you remain an eligible
              employee on the date on which the grant is to be made."

         (ii) The fifth sentence of the final paragraph of Section 7 of the
              Offer to Exchange is hereby deleted.

        (iii) The second sentence of the third paragraph of the Election Form,
              which is attached to the Schedule TO as Exhibit (a)(3) thereto, is
              hereby amended and restated in full to state as follows: "I HAVE
              RECEIVED THE INSTRUCTIONS ATTACHED TO THIS FORM."
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ITEM 12. EXHIBITS.

       (a)(1)* Offer to Exchange, dated July 20, 2001.

          (2)* Memorandum from Gaurav S. Dhillon, dated July 20, 2001.

          (3)* Election Form.
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          (4)* Notice to Withdraw from the Offer.

          (5)* Form of Promise to Grant Stock Option(s).

          (6) Informatica Corporation Annual Report on Form 10-K for its fiscal
year ended December 31, 2000, filed with the Securities and Exchange Commission
on March 30, 2001 and incorporated herein by reference.

          (7) Informatica Corporation Quarterly Report on Form 10-Q for the
quarter ended March 31, 2001, filed with the Securities and Exchange Commission
on May 15, 2001 and incorporated herein by reference.

          (8)* Email message from Gaurav S. Dhillon to optionholders of the
Company eligible to participate in the exchange offer announcing the
commencement of the exchange offer and transmitting the documents regarding the
exchange offer.

          (9)* Email message from Peter McGoff to optionholders of the Company
eligible to participate in the exchange offer regarding the exchange offer.

         (10)* Information regarding the exchange offer available to the
Company's employees on the Company intranet.

       (b) Not applicable.

       (d)(1)* Informatica Corporation 2000 Employee Stock Incentive Plan, as
amended, and form of agreement thereunder.

          (2)* Informatica Corporation 1999 Stock Incentive Plan, as amended,
and form of agreement thereunder.

          (3)* Informatica Corporation 2000 Employee Stock Incentive Plan
Prospectus.

          (4)* Informatica Corporation 1999 Stock Incentive Plan Prospectus.

       (g) Not applicable.

       (h) Not applicable.


* Previously filed as an exhibit to the Schedule TO filed by Informatica
  Corporation on July 20, 2001, as amended by Amendment No. 1 to the Schedule TO
  filed on July 23, 2001 and by Amendment No 2. to the Schedule TO filed on July
  24, 2001.

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                                    SIGNATURE

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

                                        INFORMATICA CORPORATION

                                        /s/ Earl E. Fry
                                        ----------------------------------------
                                        Earl E. Fry
                                        Chief Financial Officer and Senior Vice
                                        President


Date: August 14, 2001
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                                INDEX TO EXHIBITS

                                  EXHIBIT INDEX





       EXHIBIT
       NUMBER                               DESCRIPTION
       -------        ----------------------------------------------------------
                   
       (a)(1)*        Offer to Exchange, dated July 20, 2001.

       (a)(2)*        Memorandum from Gaurav S. Dhillon, dated July 20, 2001.

       (a)(3)*        Election Form.

       (a)(4)*        Notice to Withdraw from the Offer.

       (a)(5)*        Form of Promise to Grant Stock Option(s).

       (a)(6)         Informatica Corporation Annual Report on Form 10-K for its
                      fiscal year ended December 31, 2000, filed with the
                      Securities and Exchange Commission on March 30, 2001 and
                      incorporated herein by reference.

       (a)(7)         Informatica Corporation Quarterly Report on Form 10-Q for
                      the quarter ended March 31, 2001, filed with the
                      Securities and Exchange Commission on May 15, 2001 and
                      incorporated herein by reference.

       (a)(8)*        Email message from Gaurav S. Dhillon to optionholders of
                      the Company eligible to participate in the exchange offer
                      announcing the commencement of the exchange offer and
                      transmitting the documents regarding the exchange offer.

       (a)(9)*        Email message from Peter McGoff to optionholders of the
                      Company eligible to participate in the exchange offer
                      regarding the exchange offer.

       (a)(10)*       Information regarding the exchange offer available to the
                      Company's employees on the Company's Intranet.

       (d)(1)*        Informatica Corporation 2000 Employee Stock Incentive
                      Plan, as amended, and form of agreement thereunder.

       (d)(2)*        Informatica Corporation 1999 Stock Incentive Plan, as
                      amended, and form of agreement thereunder.

       (d)(3)*        Informatica Corporation 2000 Employee Stock Incentive Plan
                      Prospectus.

       (d)(4)*        Informatica Corporation 1999 Stock Incentive Plan
                      Prospectus


* Previously filed as an exhibit to the Schedule TO filed by Informatica
  Corporation on July 20, 2001, as amended by Amendment No. 1 to the Schedule TO
  filed on July 23, 2001 and by Amendment No. 2 to the Schedule TO filed on July
  24, 2001.