Form: SC 13D/A

Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities

November 25, 2008

SC 13D/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities

Published on November 25, 2008

=============================================================================
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13D
Under the Securities and Exchange Act of 1834

(Amendment No. 5)

Chimera Investment Corporation
------------------------------------------------
(Name of Issuer)

Common Stock, par value $.01 per share
------------------------------------------------
(Title of Class of Securities)

16934Q109
------------------------------------------------
(CUSIP Number)

Allison Bennington, Esq.
ValueAct Capital
435 Pacific Avenue, Fourth Floor
San Francisco, CA 94133
(415) 362-3700
------------------------------------------------
(Name, address and telephone number of Person
Authorized to Receive Notices and Communications)

Christopher G. Karras, Esq.
Dechert LLP
Cira Centre
2929 Arch Street
Philadelphia, PA 19104-2808
(215) 994-4000

November 21, 2008
------------------------------------------------
(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 that is the subject of this Schedule 13D, and is filing this
schedule because of 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the
following box [ ].

Note: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Rule 240.13d-7 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.

This 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 1834 ("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).
=============================================================================


SCHEDULE 13D
- -------------------------- -------------------------
CUSIP NO. 16934Q109 Page 2 of 14
- -----------------------------------------------------------------------------
1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE
PERSON (entities only)

ValueAct Capital Master Fund III, L.P.
- -----------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X]
(b) [ ]
- -----------------------------------------------------------------------------
3. SEC USE ONLY

- -----------------------------------------------------------------------------
4. SOURCE OF FUNDS (See Instructions)*

WC*
- -----------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) or 2(e) [ ]
- -----------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION

British Virgin Islands
- -----------------------------------------------------------------------------
7. SOLE VOTING POWER
0
NUMBER OF ----------------------------------------------------------
SHARES 8. SHARED VOTING POWER
BENEFICIALLY 4,175,428**
OWNED BY EACH ----------------------------------------------------------
PERSON WITH 9. SOLE DISPOSITIVE POWER
0
----------------------------------------------------------
10. SHARED DISPOSITIVE POWER
4,175,428**
- -----------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

4,175,428**
- -----------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES [ ]
- -----------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

2.4%
- -----------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON

PN
- -----------------------------------------------------------------------------
*See Item 3
**See Items 2 and 5


SCHEDULE 13D
- -------------------------- -------------------------
CUSIP NO. 16934Q109 Page 3 of 14
- ----------------------------------------------------------------------------
1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE
PERSON (entities only)

VA Partners III, LLC
- -----------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X]
(b) [ ]
- -----------------------------------------------------------------------------
3. SEC USE ONLY

- -----------------------------------------------------------------------------
4. SOURCE OF FUNDS*

00*
- -----------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) or 2(e) [ ]
- -----------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware
- -----------------------------------------------------------------------------
7. SOLE VOTING POWER
0
NUMBER OF ----------------------------------------------------------
SHARES 8. SHARED VOTING POWER
BENEFICIALLY 4,175,428**
OWNED BY EACH ----------------------------------------------------------
PERSON WITH 9. SOLE DISPOSITIVE POWER
0
----------------------------------------------------------
10. SHARED DISPOSITIVE POWER
4,175,428**
- -----------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

4,175,428**
- -----------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES [x]
- -----------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

2.4%
- -----------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON

00 (LLC)
- -----------------------------------------------------------------------------
*See Item 3
**See Items 2 and 5

SCHEDULE 13D
- -------------------------- -------------------------
CUSIP NO. 16934Q109 Page 4 of 14
- ----------------------------------------------------------------------------
1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE
PERSON (entities only)

ValueAct Capital Management, L.P.
- -----------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X]
(b) [ ]
- -----------------------------------------------------------------------------
3. SEC USE ONLY

- -----------------------------------------------------------------------------
4. SOURCE OF FUNDS*

00*
- -----------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) or 2(e) [ ]
- -----------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware
- -----------------------------------------------------------------------------
7. SOLE VOTING POWER
0
NUMBER OF ----------------------------------------------------------
SHARES 8. SHARED VOTING POWER
BENEFICIALLY 4,175,428**
OWNED BY EACH ----------------------------------------------------------
PERSON WITH 9. SOLE DISPOSITIVE POWER
0
----------------------------------------------------------
10. SHARED DISPOSITIVE POWER
4,175,428**
- -----------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

4,175,428**
- -----------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES [x]
- -----------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

2.4%
- -----------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON

PN
- -----------------------------------------------------------------------------
*See Item 3
**See Items 2 and 5

SCHEDULE 13D
- -------------------------- -------------------------
CUSIP NO. 16934Q109 Page 5 of 14
- ----------------------------------------------------------------------------
1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE
PERSON (entities only)

ValueAct Capital Management, LLC
- -----------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X]
(b) [ ]
- -----------------------------------------------------------------------------
3. SEC USE ONLY

- -----------------------------------------------------------------------------
4. SOURCE OF FUNDS*

00*
- -----------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) or 2(e) [ ]
- -----------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware
- -----------------------------------------------------------------------------
7. SOLE VOTING POWER
0
NUMBER OF ----------------------------------------------------------
SHARES 8. SHARED VOTING POWER
BENEFICIALLY 4,175,428**
OWNED BY EACH ----------------------------------------------------------
PERSON WITH 9. SOLE DISPOSITIVE POWER
0
----------------------------------------------------------
10. SHARED DISPOSITIVE POWER
4,175,428**
- -----------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

4,175,428**
- -----------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES [x]
- -----------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

2.4%
- -----------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON

00 (LLC)
- -----------------------------------------------------------------------------
*See Item 3
**See Items 2 and 5

SCHEDULE 13D
- -------------------------- -------------------------
CUSIP NO. 16934Q109 Page 6 of 14
- -----------------------------------------------------------------------------
1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE
PERSON (entities only)

ValueAct Holdings, L.P.
- ---------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X]
(b) [ ]
- -----------------------------------------------------------------------------
3. SEC USE ONLY

- ---------------------------------------------------------------------------
4. SOURCE OF FUNDS*

00*
- -----------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) or 2(e) [ ]
- -----------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware
- -----------------------------------------------------------------------------
7. SOLE VOTING POWER
0
NUMBER OF ----------------------------------------------------------
SHARES 8. SHARED VOTING POWER
BENEFICIALLY 4,175,428**
OWNED BY EACH ----------------------------------------------------------
PERSON WITH 9. SOLE DISPOSITIVE POWER
0
----------------------------------------------------------
10. SHARED DISPOSITIVE POWER
4,175,428**
- -----------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

4,175,428**
- -----------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES [x]
- -----------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

2.4%
- -----------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON

PN
- -----------------------------------------------------------------------------
*See Item 3
**See Items 2 and 5

SCHEDULE 13D
- -------------------------- -------------------------
CUSIP NO. 16934Q109 Page 7 of 14
- -----------------------------------------------------------------------------
1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE
PERSON (entities only)

ValueAct Holdings GP, LLC
- ---------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X]
(b) [ ]
- -----------------------------------------------------------------------------
3. SEC USE ONLY

- -----------------------------------------------------------------------------
4. SOURCE OF FUNDS*

00*
- -----------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) or 2(e) [ ]
- -----------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware
- -----------------------------------------------------------------------------
7. SOLE VOTING POWER
0
NUMBER OF ----------------------------------------------------------
SHARES 8. SHARED VOTING POWER
BENEFICIALLY 4,175,428**
OWNED BY EACH ----------------------------------------------------------
PERSON WITH 9. SOLE DISPOSITIVE POWER
0
----------------------------------------------------------
10. SHARED DISPOSITIVE POWER
4,175,428**
- -----------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

4,175,428**
- -----------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES [x]
- -----------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

2.4%
- -----------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON

00 (LLC)
- -----------------------------------------------------------------------------
*See Item 3
**See Items 2 and 5




- -------------------------- -------------------------
CUSIP NO. 16934Q109 Page 8 of 14
- -----------------------------------------------------------------------------
THE PURPOSE OF THIS AMENDMENT NO. 5 TO SCHEDULE 13D IS TO AMEND THE
OWNERSHIP REPORTS OF THE REPORTING PERSONS. THE INFORMATION BELOW
SUPPLEMENTS THE INFORMATION PREVIOUSLY PROVIDED.

Item 1. Security and Issuer

This Schedule 13D relates to the Common Stock, $0.01 par value (the
"Common Stock"), of Chimera Investment Corporation, a Maryland corporation
(the "Issuer"). The address of the principal executive offices of the
Issuer is 1211 Avenue of the Americas, Suite 2902, New York, NY
10036.

Item 2. Identity and Background

This statement is filed jointly by (a) ValueAct Capital Master Fund
III, L.P. ("ValueAct Master Fund III"), (b) VA Partners III, LLC ("VA
Partners III"), (c) ValueAct Capital Management, L.P. ("ValueAct Management
L.P."), (d) ValueAct Capital Management, LLC ("ValueAct Management LLC"), (e)
ValueAct Holdings, L.P. ("ValueAct Holdings") and (f) ValueAct Holdings GP,
LLC ("ValueAct Holdings GP"), (collectively, the "Reporting Persons").

ValueAct Master Fund III is a limited partnership organized under the
laws of the British Virgin Islands. It has a principal business address of
435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133.

VA Partners III is a Delaware limited partnership, the principal
business of which is to serve as the General Partner to ValueAct Master Fund
III. Each has a principal business address of 435 Pacific Avenue, Fourth
Floor, San Francisco, CA 94133.

ValueAct Management L.P. is a Delaware limited partnership which
renders management services to ValueAct Master Fund III. ValueAct Management
LLC is a Delaware limited liability company, the principal business of which
is to serve as the General Partner to ValueAct Management L.P. Each has a
principal business address of 435 Pacific Avenue, Fourth Floor, San
Francisco, CA 94133.

ValueAct Holdings is a Delaware limited partnership and is the sole
owner of the limited partnership interests of ValueAct Management L.P. and
the membership interests of ValueAct Management LLC and is the majority owner
of the membership interests of VA Partners III. ValueAct Holdings GP is a
Delaware limited liability company, the principal business of which is to
serve as the General Partner to ValueAct Holdings. Each has a principal
business address of 435 Pacific Avenue, Fourth Floor, San Francisco, CA
94133.

(d) and (e). None of the entities or persons identified in this Item 2
has during the past five years been convicted of any criminal proceeding
(excluding traffic violations or similar misdemeanors), nor been a party to a
civil proceeding of a judicial or administrative body of competent 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.



- -------------------------- -------------------------
CUSIP NO. 16934Q109 Page 9 of 14
- -----------------------------------------------------------------------------

Item 3. Source and Amount of Funds or Other Consideration

Not applicable in that the transaction involved the sale of, and not
the acquisition of, securities.

Item 5. Interest in Securities of the Issuer

(a) and (b). Set forth below is the beneficial ownership of shares of
Common Stock of the Issuer for each person named in Item 2. Shares
reported as beneficially owned by ValueAct Master Fund III are also reported
as beneficially owned by (i) ValueAct Management L.P. as the manager of the
investment partnership, (ii) ValueAct Management LLC, as General Partner of
ValueAct Management L.P., (iii) ValueAct Holdings, as the sole owner of the
limited partnership interests of ValueAct Management L.P. and the membership
interests of ValueAct Management LLC and as the majority owner of the
membership interests of VA Partners III, (iv) ValueAct Holdings GP, as
General Partner of ValueAct Holdings and (v) VA Partners III, as General
Partner of ValueAct Master Fund III. VA Partners III, ValueAct Management
L.P., ValueAct Management LLC, ValueAct Holdings and ValueAct Holdings GP
also, directly or indirectly, may own interests in one or more than one of
the partnerships from time to time. Unless otherwise indicated below, by
reason of such relationships ValueAct Master Fund III is reported as having
shared power to vote or to direct the vote, and shared power to dispose or
direct the disposition of, such shares of Common Stock, with the other
ValueAct Master Fund Reporting Persons.

As of the date hereof, ValueAct Master Fund III is the beneficial owner
of 4,175,428 shares of Common Stock, representing approximately 2.4% of the
Issuer's outstanding Common Stock (which shares may also be deemed to be
beneficially owned by VA Partners III).

ValueAct Management L.P., ValueAct Management LLC, ValueAct Holdings,
and ValueAct Holdings GP may each be deemed the beneficial owner of an
aggregate of 4,175,428 shares of Common Stock, representing approximately
2.4% of the Issuer's outstanding Common Stock.

All percentages set forth in this Schedule 13D are based upon the
Issuer's reported 177,170,098 outstanding shares of Common Stock as reported
in the Issuer's Form 10-Q for the quarterly period ended September 30, 2008.

(c) Since the date of the last filing, the Reporting Persons purchased
the following shares of Common Stock in the open market:

Reporting Person Trade Date Shares Price/Share
- ---------------- ---------- --------- -----------

ValueAct Master Fund III 11/13/2008 49,500 $2.95
11/14/2008 107,700 $2.95
11/17/2008 100,000 $2.80
11/19/2008 100,000 $2.50



(d) and (e) Not applicable.

- -------------------------- -------------------------
CUSIP NO. 16934Q109 Page 11 of 14
- -----------------------------------------------------------------------------

Item 6. Contracts, Arrangements, Understandings or Relationships with
Respect to Securities of the Issuer

Other than as described above and elsewhere in this Report and as
previously reported, the Reporting Persons have no understandings,
arrangements, relationships or contracts relating to the Issuer's Common
Stock which are required to be described hereunder.

Item 7. Material to Be Filed as Exhibits

(1) Joint Filing Agreement.



- -------------------------- -------------------------
CUSIP NO. 16934Q109 Page 12 of 14
- -----------------------------------------------------------------------------
SIGNATURE
After reasonable inquiry and to the best of his knowledge and
belief, the undersigned certifies that the information set forth in this
statement is true, complete and correct.

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears
below on this Schedule 13D hereby constitutes and appoints Jeffrey W. Ubben,
George F. Hamel, Jr., G. Mason Morfit and Allison Bennington, and each of
them, with full power to act without the other, his or its true and lawful
attorney-in-fact and agent, with full power of substitution and
resubstitution, for him or it and in his or its name, place and stead, in any
and all capacities (until revoked in writing) to sign any and all amendments
to this Schedule 13D, and to file the same, with all exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite and necessary fully to all intents and purposes as he or it might
or could do in person, thereby ratifying and confirming all that said
attorneys-in-fact and agents or any of them, or their or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.

ValueAct Capital Master Fund III L.P., by
VA Partners III, LLC, its General Partner

By: /s/ George F. Hamel, Jr.
--------------------------------------
Dated: November 24, 2008 George F. Hamel, Jr., Chief Operating Officer


VA Partners III, LLC

By: /s/ George F. Hamel, Jr.
--------------------------------------
Dated: November 24, 2008 George F. Hamel, Jr., Chief Operating Officer



ValueAct Capital Management, L.P., by
ValueAct Capital Management, LLC its
General Partner

By: /s/ George F. Hamel, Jr.
--------------------------------------
Dated: November 24, 2008 George F. Hamel, Jr., Chief Operating Officer


ValueAct Capital Management, LLC

By: /s/ George F. Hamel, Jr.
--------------------------------------
Dated: November 24, 2008 George F. Hamel, Jr., Chief Operating Officer


- -------------------------- -------------------------
CUSIP NO. 16934Q109 Page 13 of 14
- -----------------------------------------------------------------------------

ValueAct Holdings, L.P., by
ValueAct Holdings GP, LLC, its
General Partner

By: /s/ George F. Hamel, Jr.
--------------------------------------
Dated: November 24, 2008 George F. Hamel, Jr., Chief Operating Officer


ValueAct Holdings GP, LLC

By: /s/ George F. Hamel, Jr.
--------------------------------------
Dated: November 24, 2008 George F. Hamel, Jr., Chief Operating Officer


- -------------------------- -------------------------
CUSIP NO. 16934Q109 Page 14 of 14
- -----------------------------------------------------------------------------
Exhibit 1

JOINT FILING UNDERTAKING

The undersigned parties hereby agree that the Schedule 13D filed herewith
(and any amendments thereto) relating to the Common Stock of Chimera
Investment Corporation is being filed jointly on behalf of each of them with
the Securities and Exchange Commission pursuant to Section 13(d) of the
Securities Exchange Act of 1834, as amended.

ValueAct Capital Master Fund III L.P., by
VA Partners III, LLC, its General Partner

By: /s/ George F. Hamel, Jr.
--------------------------------------
Dated: November 24, 2008 George F. Hamel, Jr., Chief Operating Officer


VA Partners III, LLC

By: /s/ George F. Hamel, Jr.
--------------------------------------
Dated: November 24, 2008 George F. Hamel, Jr., Chief Operating Officer


ValueAct Capital Management, L.P., by
ValueAct Capital Management, LLC its
General Partner

By: /s/ George F. Hamel, Jr.
--------------------------------------
Dated: November 24, 2008 George F. Hamel, Jr., Chief Operating Officer


ValueAct Capital Management, LLC

By: /s/ George F. Hamel, Jr.
--------------------------------------
Dated: November 24, 2008 George F. Hamel, Jr., Chief Operating Officer


ValueAct Holdings, L.P., by
ValueAct Holdings GP, LLC, its
General Partner

By: /s/ George F. Hamel, Jr.
--------------------------------------
Dated: November 24, 2008 George F. Hamel, Jr., Chief Operating Officer


ValueAct Holdings GP, LLC

By: /s/ George F. Hamel, Jr.
--------------------------------------
Dated: November 24, 2008 George F. Hamel, Jr., Chief Operating Officer