Rockwood Holdings, Inc. (Form: 3, Received: 10/13/2009 16:15:25)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*
KKR Fund Holdings L.P.
2. Date of Event Requiring Statement (MM/DD/YYYY) 10/1/2009
3. Issuer Name and Ticker or Trading Symbol
Rockwood Holdings, Inc. [ROC]

(Last)        (First)        (Middle)
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)
_____ Director                            ___ X ___ 10% Owner
_____ Officer (give title below)          _____ Other (specify below)

(Street)
NEW YORK, NY 10019

(City)              (State)              (Zip) 5. If Amendment, Date Original Filed (MM/DD/YYYY)

6. Individual or Joint/Group Filing (Check Applicable Line)
___ Form filed by One Reporting Person
_ X _ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security
(Instr. 4) 2. Amount of Securities Beneficially Owned
(Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5) 4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Common Stock, par value $0.01 per share 2285721 I See Footnotes ⁽¹⁾ ⁽²⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾ ⁽⁹⁾

Common Stock, par value $0.01 per share 8006339 I See Footnotes ⁽¹⁾ ⁽³⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾ ⁽⁹⁾

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)

1. Title of Derivate Security
(Instr. 4) 2. Date Exercisable and Expiration Date
(MM/DD/YYYY) 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5) 6. Nature of Indirect Beneficial Ownership
(Instr. 5)

Date Exercisable Expiration Date Title Amount or Number of Shares

Warrants to purchase Common Stock ⁽⁸⁾ 7/23/2013 Common Stock 958315 $14.61 I See Footnotes ⁽¹⁾ ⁽²⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾ ⁽⁹⁾

Explanation of Responses:

(1) KKR Fund Holdings L.P., KKR Fund Holdings GP Limited, KKR Group Holdings L.P., KKR Group Limited, KKR & Co. L.P. and KKR Management LLC are filing this Form 3 as a result of a structural reorganization of KKR & Co. L.P. and its affiliates ("KKR") in connection with the combination of the businesses of KKR and KKR Private Equity Investors, L.P.

(2) These securities are held 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.

(3) These securities are held 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.

(4) Each of KKR Fund Holdings L.P. (as the designated member of KKR Millennium GP LLC and the sole shareholder of KKR Europe Limited); KKR Fund Holdings GP Limited (as a general partner of KKR Fund Holdings L.P.); KKR Group Holdings L.P. (as a general partner of KKR Fund Holdings L.P. and the sole shareholder of KKR Fund Holdings GP Limited); KKR Group Limited (as the sole general partner of KKR Group Holdings L.P.); KKR & Co. L.P. (as the sole shareholder of KKR Group Limited) and KKR Management LLC (as the sole general partner of KKR & Co. L.P.) may also be deemed to beneficially own the securities held by KKR Millennium Fund L.P. and KKR European Fund, Limited Partnership.

(5) In addition to the securities reported on this Form 3, 11,414, 975 shares of common stock of Rockwood Holdings, Inc. (the "Shares") are held by KKR 1996 Fund L.P; 98,615 Shares are held by KKR Partners II, L.P.; 239,348 Shares are held by KKR Partners III, L.P. (Series F); and 89,711 Shares are held by Aurora Investments II, LLC.

(6) 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 Shares 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 Shares held by KKR 1996 Fund L.P. As the general partners of KKR Partners II, L.P., KKR Associates (Strata) L.P. and KKR Associates, L.P. may be deemed to be the beneficial owners of Shares 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 Shares held by KKR Partners II, L.P. As the sole general partner of KKR Partners III, L.P. (Series F), KKR III GP LLC may be deemed to be the beneficial owner of Shares held by KKR Partners III, L.P. (Series F).

(7) As the designated members of KKR Management LLC, the managers of KKR 1996 GP LLC, Strata L.L.C., KKR III GP LLC and Aurora Investments II, LLC, and the members of the Executive Committee of KKR Associates, L.P., Henry R. Kravis and George R. Roberts may also be deemed to beneficially own the securities held by KKR Millennium Fund L.P., KKR European Fund, Limited Partnership, KKR 1996 Fund L.P., KKR Partners II, L.P., KKR Partners III, L.P. (Series F) and Aurora Investments II, LLC. Messrs. Kravis and Roberts have also been designated as managers of KKR Millennium GP LLC by KKR Fund Holdings L.P.

(8) The warrants to purchase common stock are exercisable at any time and expire on July 23, 2013.

(9) Each Reporting Person and each other person named in notes (2) through (7) above disclaims beneficial ownership of any securities reported herein, except to the extent of such person's pecuniary interest therein. The filing of this statement shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any equity securities covered by this statement.

Remarks:
Exhibit 24 Power of Attorney. (10) Mr. Janetschek is signing in his capacity as director of KKR Fund Holdings GP Limited, general partner of KKR Fund Holdings L.P. (11) Mr. Janetschek is signing in his capacity as director of KKR Fund Holdings GP Limited. (12) Mr. Janetschek is signing in his capacity as director of KKR Group Limited, general partner of KKR Group Holdings L.P. (13) Mr. Janetschek is signing in his capacity as director of KKR Group Limited. (14) Mr. Janetschek is signing in his capacity as attorney-in-fact for Henry R. Kravis, a designated member of KKR Management LLC, the general partner of KKR & Co. L.P. (15) Mr. Janetschek is signing in his capacity as attorney-in-fact for George R. Roberts, a designated member of KKR Management LLC, the general partner of KKR & Co. L.P. (16) Mr. Janetschek is signing in his capacity as attorney-in-fact for Henry R. Kravis, a designated member of KKR Management LLC. (17) Mr. Janetschek is signing in his capacity as attorney-in-fact for George R. Roberts, a designated member of KKR Management LLC.

Reporting Owners

Reporting Owner Name / Address Relationships

Director 10% Owner Officer Other

KKR Fund Holdings L.P.
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

KKR Fund Holdings GP Ltd
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

KKR Group Holdings L.P.
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

KKR Group Ltd
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

KKR & Co. L.P.
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

KKR Management LLC
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

Signatures

/s/ William J. Janetschek, KKR Fund Holdings L.P.(10) 10/13/2009

^** Signature of Reporting Person Date

/s/ William J. Janetschek, KKR Fund Holdings GP Limited (11) 10/13/2009

^** Signature of Reporting Person Date

/s/ William J. Janetschek, KKR Group Holdings L.P. (12) 10/13/2009

^** Signature of Reporting Person Date

/s/ William J. Janetschek, KKR Group Limited (13) 10/13/2009

^** Signature of Reporting Person Date

/s/ William J. Janetschek, KKR & Co. L.P. (14) 10/13/2009

^** Signature of Reporting Person Date

/s/ William J. Janetschek, KKR & Co. L.P. (15) 10/13/2009

^** Signature of Reporting Person Date

/s/ William J. Janetschek, KKR Management LLC (16) 10/13/2009

^** Signature of Reporting Person Date

/s/ William J. Janetschek, KKR Management LLC (17) 10/13/2009

^** Signature of Reporting Person Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 5(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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table I - Non-Derivative Securities Beneficially Owned
Common Stock, par value $0.01 per share	2285721	I	See Footnotes ⁽¹⁾ ⁽²⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾ ⁽⁹⁾
Common Stock, par value $0.01 per share	8006339	I	See Footnotes ⁽¹⁾ ⁽³⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾ ⁽⁹⁾

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
Warrants to purchase Common Stock	⁽⁸⁾	7/23/2013	Common Stock	958315	$14.61	I	See Footnotes ⁽¹⁾ ⁽²⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾ ⁽⁹⁾

Exhibit 24.1

POWER OF ATTORNEY

Know all men by these presents that George R. Roberts does hereby make, constitute and appoint William J. Janetschek and Richard J. Kreider, or either one of them, as a true and lawful attorney-in-fact of the undersigned with full powers of substitution and revocation, for and in the name, place and stead of the undersigned (both in the undersigned’s individual capacity and as a member of any limited liability company or as a partner of any partnership for which the undersigned is otherwise authorized to sign), to execute and deliver such forms as may be required to be filed from time to time with the Securities and Exchange Commission with respect to: (i) Sections 13(d) and 16(a) of the Securities Exchange Act of 1934, as amended (the “Act”), including without limitation, Schedule 13D, Schedule 13G, statements on Form 3, Form 4 and Form 5 and (ii) in connection with any applications for EDGAR access codes, including without limitation the Form ID.

	/s/ George R. Roberts
	Name: George R. Roberts

Date: July 31, 2005

No data

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.01 per share	2285721	I	See Footnotes ⁽¹⁾ ⁽²⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾ ⁽⁹⁾
Common Stock, par value $0.01 per share	8006339	I	See Footnotes ⁽¹⁾ ⁽³⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾ ⁽⁹⁾

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Warrants to purchase Common Stock	⁽⁸⁾	7/23/2013	Common Stock	958315	$14.61	I	See Footnotes ⁽¹⁾ ⁽²⁾ ⁽⁴⁾ ⁽⁵⁾ ⁽⁶⁾ ⁽⁷⁾ ⁽⁹⁾

Explanation of Responses:
(1)	KKR Fund Holdings L.P., KKR Fund Holdings GP Limited, KKR Group Holdings L.P., KKR Group Limited, KKR & Co. L.P. and KKR Management LLC are filing this Form 3 as a result of a structural reorganization of KKR & Co. L.P. and its affiliates ("KKR") in connection with the combination of the businesses of KKR and KKR Private Equity Investors, L.P.
(2)	These securities are held 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.
(3)	These securities are held 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.
(4)	Each of KKR Fund Holdings L.P. (as the designated member of KKR Millennium GP LLC and the sole shareholder of KKR Europe Limited); KKR Fund Holdings GP Limited (as a general partner of KKR Fund Holdings L.P.); KKR Group Holdings L.P. (as a general partner of KKR Fund Holdings L.P. and the sole shareholder of KKR Fund Holdings GP Limited); KKR Group Limited (as the sole general partner of KKR Group Holdings L.P.); KKR & Co. L.P. (as the sole shareholder of KKR Group Limited) and KKR Management LLC (as the sole general partner of KKR & Co. L.P.) may also be deemed to beneficially own the securities held by KKR Millennium Fund L.P. and KKR European Fund, Limited Partnership.
(5)	In addition to the securities reported on this Form 3, 11,414, 975 shares of common stock of Rockwood Holdings, Inc. (the "Shares") are held by KKR 1996 Fund L.P; 98,615 Shares are held by KKR Partners II, L.P.; 239,348 Shares are held by KKR Partners III, L.P. (Series F); and 89,711 Shares are held by Aurora Investments II, LLC.
(6)	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 Shares 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 Shares held by KKR 1996 Fund L.P. As the general partners of KKR Partners II, L.P., KKR Associates (Strata) L.P. and KKR Associates, L.P. may be deemed to be the beneficial owners of Shares 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 Shares held by KKR Partners II, L.P. As the sole general partner of KKR Partners III, L.P. (Series F), KKR III GP LLC may be deemed to be the beneficial owner of Shares held by KKR Partners III, L.P. (Series F).
(7)	As the designated members of KKR Management LLC, the managers of KKR 1996 GP LLC, Strata L.L.C., KKR III GP LLC and Aurora Investments II, LLC, and the members of the Executive Committee of KKR Associates, L.P., Henry R. Kravis and George R. Roberts may also be deemed to beneficially own the securities held by KKR Millennium Fund L.P., KKR European Fund, Limited Partnership, KKR 1996 Fund L.P., KKR Partners II, L.P., KKR Partners III, L.P. (Series F) and Aurora Investments II, LLC. Messrs. Kravis and Roberts have also been designated as managers of KKR Millennium GP LLC by KKR Fund Holdings L.P.
(8)	The warrants to purchase common stock are exercisable at any time and expire on July 23, 2013.
(9)	Each Reporting Person and each other person named in notes (2) through (7) above disclaims beneficial ownership of any securities reported herein, except to the extent of such person's pecuniary interest therein. The filing of this statement shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any equity securities covered by this statement.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
KKR Fund Holdings L.P. C/O KOHLBERG KRAVIS ROBERTS & CO. L.P. 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X
KKR Fund Holdings GP Ltd C/O KOHLBERG KRAVIS ROBERTS & CO. L.P. 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X
KKR Group Holdings L.P. C/O KOHLBERG KRAVIS ROBERTS & CO. L.P. 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X
KKR Group Ltd C/O KOHLBERG KRAVIS ROBERTS & CO. L.P. 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X
KKR & Co. L.P. C/O KOHLBERG KRAVIS ROBERTS & CO. L.P. 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X
KKR Management LLC C/O KOHLBERG KRAVIS ROBERTS & CO. L.P. 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X

Signatures
/s/ William J. Janetschek, KKR Fund Holdings L.P.(10)		10/13/2009
^** Signature of Reporting Person		Date
/s/ William J. Janetschek, KKR Fund Holdings GP Limited (11)		10/13/2009
^** Signature of Reporting Person		Date
/s/ William J. Janetschek, KKR Group Holdings L.P. (12)		10/13/2009
^** Signature of Reporting Person		Date
/s/ William J. Janetschek, KKR Group Limited (13)		10/13/2009
^** Signature of Reporting Person		Date
/s/ William J. Janetschek, KKR & Co. L.P. (14)		10/13/2009
^** Signature of Reporting Person		Date
/s/ William J. Janetschek, KKR & Co. L.P. (15)		10/13/2009
^** Signature of Reporting Person		Date
/s/ William J. Janetschek, KKR Management LLC (16)		10/13/2009
^** Signature of Reporting Person		Date
/s/ William J. Janetschek, KKR Management LLC (17)		10/13/2009
^** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 5(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).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.