Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
RAETHER PAUL E
  2. Issuer Name and Ticker or Trading Symbol
Rockwood Holdings, Inc. [ROC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O KOHLBERG KRAVIS ROBERTS & CO., L.P., 9 WEST 57TH STREET - 41ST FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
08/16/2005
(Street)

NEW YORK, NY 10019
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, par value $0.01 per share 08/16/2005   P   29,711 A $ 20 29,711 I See footnotes (1) (7)
Common Stock, par value $0.01 per share 08/17/2005   P   60,000 A $ 19.9872 89,711 I See footnotes (1) (7)
Common Stock, par value $0.01 per share               4,445,896 I See footnotes (2) (7)
Common Stock, par value $0.01 per share               19,138,916 I See footnotes (3) (7)
Common Stock, par value $0.01 per share               164,282 I See footnotes (4) (7)
Common Stock, par value $0.01 per share               398,727 I See footnotes (5) (7)
Common Stock, par value $0.01 per share               13,337,689 I See footnotes (6) (7)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
RAETHER PAUL E
C/O KOHLBERG KRAVIS ROBERTS & CO., L.P.
9 WEST 57TH STREET - 41ST FLOOR
NEW YORK, NY 10019
    X    

Signatures

 /s/ Richard J. Kreider, attorney-in-fact   08/18/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The securities are held of record by Aurora Investments II, LLC. As both a member of Aurora Investments II, LLC and a general partner of a limited partnership which is a member of Aurora Investments II, LLC, the Reporting Person may be deemed to be the beneficial owner of such securities held by Aurora Investments II, LLC.
(2) These securities are held of record by KKR Millennium Fund L.P. As the sole general partner of KKR Millennium Fund L.P., KKR Associates Millennium L.P. may be deemed to be the beneficial owner of such securities held by KKR Millennium Fund L.P. As the sole general partner of KKR Associates Millennium L.P., KKR Millennium GP LLC also may be deemed to be the beneficial owner of such securities held by KKR Millennium Fund L.P. As a member of KKR Millennium Fund GP LLC, the Reporting Person may also be deemed to be the beneficial owner of such securities held by KKR Millennium Fund L.P.
(3) These securities are held of record by KKR 1996 Fund L.P. As the sole general partner of KKR 1996 Fund L.P., KKR Associates 1996 L.P. may be deemed to be the beneficial owner of such securities held by KKR 1996 Fund L.P. As the sole general partner of KKR Associates 1996 L.P., KKR 1996 GP LLC also may be deemed to be the beneficial owner of such securities held by KKR 1996 Fund L.P. As a member of KKR 1996 GP LLC, the Reporting Person may also be deemed to be the beneficial owner of such securities held by KKR 1996 Fund L.P.
(4) These securities are held of record by KKR Partners II, L.P. As a general partner of KKR Partners II, L.P., KKR Associates (Strata) L.P. may be deemed to be the beneficial owner of such securities held by KKR Partners II, L.P. As the sole general partner of KKR Associates (Strata) L.P., Strata L.L.C. also may be deemed to be the beneficial owner of such securities held by KKR Partners II, L.P. As a member of Strata L.L.C., the Reporting Person may also be deemed to be the beneficial owner of such securities held by KKR Partners II, L.P.
(5) These securities are held of record by KKR Partners III, L.P. (Series F). As the sole general partner of KKR Partners III, L.P., KKR III GP LLC may be deemed to be the beneficial owner of such securities held by KKR Partners III, L.P. (Series F). As a member of KKR III GP LLC, the Reporting Person may also be deemed to be the beneficial owner of such securities held by KKR Partners III, L.P. (Series F).
(6) The securities are held of record by KKR European Fund, Limited Partnership. As the sole general partner of KKR European Fund, Limited Partnership, KKR Associates Europe, Limited Partnership may be deemed to be the beneficial owner of such securities held by KKR European Fund, Limited Partnership. As the sole general partner of KKR Associates Europe, Limited Partnership, KKR Europe Limited also may be deemed to be the beneficial owner of such securities held by KKR European Fund, Limited Partnership. As a director of KKR Europe Limited, the Reporting Person also may be deemed to be the beneficial owner of such securities held by KKR European Fund, Limited Partnership.
(7) The filing of this statement shall not be deemed an admission that, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise, the Reporting Person is the beneficial owner of any equity securities covered by this statement. The Reporting Person disclaims beneficial ownership of the securities that may be deemed to be beneficially owned by him, except to the extent of his own pecuniary interest therein.

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