Celera SC 13D/A / BIOTECHNOLOGY VALUE FUND L P ownership change

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO

§ 240.13d-2(a)

(Amendment No. 6)1

Celera Corporation

(Name of Issuer)

Common Stock, par value $0.01

(Title of Class of Securities)

15100E106

(CUSIP Number)

ELIZABETH DELANEY

BVF PARTNERS L.P.

900 North Michigan Avenue

Suite 1100

Chicago, Illinois 60611

(312) 506-6500

ADAM W. FINERMAN, ESQ.

OLSHAN GRUNDMAN FROME ROSENZWEIG & WOLOSKY LLP

Park Avenue Tower

65 East 55th Street

New York, New York 10022

(212) 451-2300

(Name, Address and Telephone Number of Person

Authorized to Receive Notices and Communications)

May 6, 2011

(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 § 240.13d-7 for other parties to whom copies are to be sent.

_______________

1 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).

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON BIOTECHNOLOGY VALUE FUND, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 3,736,902
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 3,736,902
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,736,902
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 4.5%
14	TYPE OF REPORTING PERSON PN

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON BIOTECHNOLOGY VALUE FUND II, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 2,535,900
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 2,535,900
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,535,900
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 3.1%
14	TYPE OF REPORTING PERSON PN

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON BVF INVESTMENTS, L.L.C.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 9,477,615
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 9,477,615
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9,477,615
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 11.5%
14	TYPE OF REPORTING PERSON OO

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON INVESTMENT 10, L.L.C.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION ILLINOIS
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 1,058,675
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 1,058,675
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,058,675
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 1.3%
14	TYPE OF REPORTING PERSON OO

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON BVF X LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 10,000
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 10,000
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 10,000
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) Less than 1%
14	TYPE OF REPORTING PERSON OO

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON BVF PARTNERS L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 16,819,092
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 16,819,092
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 16,819,092
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 20.5%
14	TYPE OF REPORTING PERSON PN, IA

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON BVF INC.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 16,819,092
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 16,819,092
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 16,819,092
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 20.5%
14	TYPE OF REPORTING PERSON CO

CUSIP NO. 15100E106

1	NAME OF REPORTING PERSON MARK N. LAMPERT
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) x (b) o
3	SEC USE ONLY
4	SOURCE OF FUNDS AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 16,819,092
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 16,819,092
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 16,819,092
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES		o
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 20.5%
14	TYPE OF REPORTING PERSON IN

CUSIP NO. 15100E106

The following constitutes Amendment No. 6 to the Schedule 13D filed by the undersigned (“Amendment No. 6”). This Amendment No. 6 amends the Schedule 13D as specifically set forth herein.

Item 3.

Source and Amount of Funds or Other Consideration.

Item 3 is hereby amended and restated to read as follows:

The Shares purchased by BVF, BVF2, BVLLC, ILL10 and BVFX were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business) in open market purchases. The aggregate purchase cost of the 16,819,092 Shares beneficially owned in the aggregate by BVF, BVF2, BVLLC, ILL10 and BVFX is approximately $126,125,590, including brokerage commissions.

Item 5.

Interest in Securities of the Issuer.

Items 5(a) and (b) are hereby amended and restated to read as follows:

(a) The aggregate percentage of Shares reported owned by each person named herein is based upon 82,155,471 Shares outstanding, which is the total number of Shares outstanding as of March 16, 2011, as reported in the Issuer’s Recommendation Statement on Schedule 14D-9 filed with the Securities and Exchange Commission on March 28, 2011.

As of the close of business on May 9, 2011, BVF beneficially owned 3,736,902 Shares, BVF2 beneficially owned 2,535,900 Shares, BVLLC beneficially owned 9,477,615 Shares, ILL10 beneficially owned 1,058,675 Shares and BVFX beneficially owned 10,000 Shares, representing percentage ownership of approximately 4.5%, 3.1%, 11.5%, 1.3% and less than 1%, respectively, of the Shares outstanding.

As the general partner of BVF and BVF2, the manager of BVLLC, the investment adviser of ILL10 and the general partner, manager and investment adviser, as the case may be, of the members of BVFX, Partners may be deemed to beneficially own the 16,819,092 Shares beneficially owned in the aggregate by BVF, BVF2, BVLLC, ILL10 and BVFX, representing percentage ownership of approximately 20.5% of the Shares outstanding. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the 16,819,092 Shares beneficially owned by Partners, representing percentage ownership of approximately 20.5% of the Shares outstanding.

Mr. Lampert, as a director and officer of BVF Inc. may be deemed to beneficially own the 16,819,092 Shares beneficially owned by BVF Inc., representing percentage ownership of approximately 20.5% of the Shares outstanding.

(b) Each of BVF, BVF2, BVLLC, ILL10 and BVFX shares with Partners voting and dispositive power over the Shares each such entity beneficially owns. Partners, BVF Inc. and Mr. Lampert share voting and dispositive power over the 16,819,092 Shares they may be deemed to beneficially own with BVF, BVF2, BVLLC, ILL10 and BVFX.

Item 5(c) is hereby amended to add the following:

(c) Schedule A annexed hereto lists all transactions in securities of the Issuer since the filing of Amendment No. 5 to the Schedule 13D. All of such transactions were effected in the open market.

CUSIP NO. 15100E106

SIGNATURES

After reasonable inquiry and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated: May 10, 2011

BIOTECHNOLOGY VALUE FUND, L.P.		INVESTMENT 10, L.L.C.

By:	BVF Partners L.P., its general partner	By:	BVF Partners L.P., its investment manager

By:	BVF Inc., its general partner	By:	BVF Inc., its general partner

By:	/s/ Mark N. Lampert	By:	/s/ Mark N. Lampert
	Mark N. Lampert		Mark N. Lampert
	President		President

BIOTECHNOLOGY VALUE FUND II, L.P.		BVF X LLC

By:	BVF Partners L.P., its general partner	By:	Biotechnology Value Fund, L.P., member

By:	BVF Inc., its general partner	By:	BVF Partners L.P., its general partner

By:	/s/ Mark N. Lampert	By:	BVF Inc., its general partner
	Mark N. Lampert
	President	By:	/s/ Mark N. Lampert
			Mark N. Lampert
			President

BVF INVESTMENTS, L.L.C.		BVF PARTNERS L.P.

By:	BVF Partners L.P., its manager	By:	BVF Inc., its general partner

By:	BVF Inc., its general partner	By:	/s/ Mark N. Lampert
			Mark N. Lampert
By:	/s/ Mark N. Lampert		President
	Mark N. Lampert
	President

	BVF INC.

/s/ Mark N. Lampert	By:	/s/ Mark N. Lampert
MARK N. LAMPERT		Mark N. Lampert
		President

CUSIP NO. 15100E106

SCHEDULE A

Transactions in the Securities of the Issuer Since the Filing of Amendment No. 5 to the Schedule 13D

BIOTECHNOLOGY VALUE FUND, L.P.

Common Stock	25,000	8.0500	05/06/11
Common Stock	273,200	8.0466	05/06/11
Common Stock	87,000	8.0471	05/09/11

BIOTECHNOLOGY VALUE FUND II, L.P.

Common Stock	18,000	8.0500	05/06/11
Common Stock	189,000	8.0466	05/06/11
Common Stock	60,000	8.0471	05/09/11

INVESTMENT 10, L.L.C.

Common Stock	6,000	8.0500	05/06/11
Common Stock	68,000	8.0466	05/06/11
Common Stock	21,000	8.0471	05/09/11

BVF INVESTMENTS, L.L.C.

Common Stock	61,000	8.0500	05/06/11
Common Stock	655,000	8.0466	05/06/11
Common Stock	207,000	8.0471	05/09/11

Celera Inactive SC 13D/ACelera / BIOTECHNOLOGY VALUE FUND L P ownership change