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Filing Details

Accession Number:: 0000929638-19-000269
Form Type:: 13G Filing
Publication Date:: 2019-02-14 16:09:19

Filed By:: Cormorant Asset Management
Company:: Anaptysbio Inc (NASDAQ:ANAB)
Filing Date:: 2019-02-14
SEC Url:: 13G Filing

Ownership Summary

Please notice the below summary table is generated without human intervention and may contain errors. Please refer to the complete filing displayed below for exact figures.

Name	Shared Voting Power	Shared Dispositive Power	Aggregate Amount Owned Power	Percent of Class
Cormorant Global Healthcare Master Fund	1,025,273	1,025,273	1,025,273	3.83%
Cormorant Global Healthcare GP	1,025,273	1,025,273	1,025,273	3.83%
Cormorant Asset Management	1,105,557	1,105,557	1,105,557	4.13%
Bihua Chen	1,105,557	1,105,557	1,105,557	4.13%

Filing

	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

	SCHEDULE 13G
	Under the Securities Exchange Act of 1934
	(Amendment No. 2)*

	AnaptysBio, Inc.
	(Name of Issuer)

	Common Stock, par value $0.001 per share
	(Title of Class of Securities)

	032724106
	(CUSIP Number)

	December 31, 2018
	(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

[ ] Rule 13d-1(b)

[x] Rule 13d-1(c)

[ ] Rule 13d-1(d)

___________________________________

* 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 the disclosures provided in a prior cover page.

The information required in 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).

1	Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Cormorant Global Healthcare Master Fund, LP
2	Check the Appropriate Box if a Member of a Group (See Instructions)
	(a) [ ]
	(b) [x]
3	SEC Use Only
4	Citizenship or Place of Organization. Cayman Islands
Number of Shares Beneficially Owned by Each Reporting Person With		5 Sole Voting Power 0 shares
		6 Shared Voting Power 1,025,273 shares Refer to Item 4 below.
		7 Sole Dispositive Power 0 shares
		8 Shared Dispositive Power 1,025,273 shares Refer to Item 4 below.
9	Aggregate Amount Beneficially Owned by Each Reporting Person 1,025,273 shares Refer to Item 4 below.
10	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] N/A
11	Percent of Class Represented by Amount in Row (9)* 3.83% Refer to Item 4 below.
12	Type of Reporting Person (See Instructions) PN (Partnership)

1	Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Cormorant Global Healthcare GP, LLC
2	Check the Appropriate Box if a Member of a Group (See Instructions)
	(a) [ ]
	(b) [x]
3	SEC Use Only
4	Citizenship or Place of Organization. Delaware
Number of Shares Beneficially Owned by Each Reporting Person With		5 Sole Voting Power 0 shares
		6 Shared Voting Power 1,025,273 shares Refer to Item 4 below.
		7 Sole Dispositive Power 0 shares
		8 Shared Dispositive Power 1,025,273 shares Refer to Item 4 below.
9	Aggregate Amount Beneficially Owned by Each Reporting Person 1,025,273 shares Refer to Item 4 below.
10	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] N/A
11	Percent of Class Represented by Amount in Row (9)* 3.83% Refer to Item 4 below.
12	Type of Reporting Person (See Instructions) OO (Limited Liability Company)

1	Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Cormorant Asset Management, LP
2	Check the Appropriate Box if a Member of a Group (See Instructions)
	(a) [ ]
	(b) [x]
3	SEC Use Only
4	Citizenship or Place of Organization. Delaware
Number of Shares Beneficially Owned by Each Reporting Person With		5 Sole Voting Power 0 shares
		6 Shared Voting Power 1,105,557 shares Refer to Item 4 below.
		7 Sole Dispositive Power 0 shares
		8 Shared Dispositive Power 1,105,557 shares Refer to Item 4 below.
9	Aggregate Amount Beneficially Owned by Each Reporting Person 1,105,557 shares Refer to Item 4 below.
10	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] N/A
11	Percent of Class Represented by Amount in Row (9)* 4.13% Refer to Item 4 below.
12	Type of Reporting Person (See Instructions) OO (Limited Liability Company)

1	Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Bihua Chen
2	Check the Appropriate Box if a Member of a Group (See Instructions)
	(a) [ ]
	(b) [x]
3	SEC Use Only
4	Citizenship or Place of Organization. United States
Number of Shares Beneficially Owned by Each Reporting Person With		5 Sole Voting Power 0 shares
		6 Shared Voting Power 1,105,557 shares Refer to Item 4 below.
		7 Sole Dispositive Power 0 shares
		8 Shared Dispositive Power 1,105,557 shares Refer to Item 4 below.
9	Aggregate Amount Beneficially Owned by Each Reporting Person 1,105,557 shares Refer to Item 4 below.
10	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] N/A
11	Percent of Class Represented by Amount in Row (9)* 4.13% Refer to Item 4 below.
12	Type of Reporting Person (See Instructions) IN (Individual)

Item 1.

(a)	Name of Issuer
	AnaptysBio, Inc.
(b)	Address of Issuer’s Principal Executive Offices
	10421 Pacific Center Court, Suite 200 San Diego, CA 92121

Item 2.

(a)	Name of Person Filing
	Cormorant Global Healthcare Master Fund, LP Cormorant Global Healthcare GP, LLC Cormorant Asset Management, LP Bihua Chen
(b)	Address of Principal Business Office or, if none, Residence
	200 Clarendon Street, 52nd Floor Boston, MA 02116
(c)	Citizenship
	Cormorant Global Healthcare Master Fund, LP - Cayman Islands Cormorant Global Healthcare GP, LLC - Delaware Cormorant Asset Management, LP - Delaware Bihua Chen - United States
(d)	Title of Class of Securities
	Common Stock
(e)	CUSIP Number
	032724106

Item 3.

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(a)	[ ]	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).
(b)	[ ]	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
(c)	[ ]	Insurance Company as defined in Section 3(a)(19) of the Act
(d)	[ ]	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).
(e)	[ ]	An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);
(f)	[ ]	An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);
(g)	[ ]	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	[ ]	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	[ ]	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	[ ]	A non-U.S. institution in accordance with §240.13d–1(b)(1)(ii)(J);
(k)	[ ]	Group, in accordance with §240.13d-1(b)(1)(ii)(K).

Item 4.

Ownership***

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a)	Amount Beneficially Owned***
	Cormorant Global Healthcare Master Fund, LP – 1,025,273 shares Cormorant Global Healthcare GP, LLC - 1,025,273 shares Cormorant Asset Management, LP – 1,105,557 shares Bihua Chen – 1,105,557 shares
(b)	Percent of Class
	Cormorant Global Healthcare Master Fund, LP – 3.83% Cormorant Global Healthcare GP, LLC – 3.83% Cormorant Asset Management, LP – 4.13% Bihua Chen – 4.13%
(c)	Number of shares as to which such person has:
	(i)	sole power to vote or to direct the vote
		Cormorant Global Healthcare Master Fund, LP - 0 shares Cormorant Global Healthcare GP, LLC - 0 shares Cormorant Asset Management, LP - 0 shares Bihua Chen - 0 shares
	(ii)	shared power to vote or to direct the vote
		Cormorant Global Healthcare Master Fund, LP – 1,025,273 shares Cormorant Global Healthcare GP, LLC - 1,025,273 shares Cormorant Asset Management, LP – 1,105,557 shares Bihua Chen - 1,105,557 shares
	(iii)	sole power to dispose or to direct the disposition of
		Cormorant Global Healthcare Master Fund, LP - 0 shares Cormorant Global Healthcare GP, LLC - 0 shares Cormorant Asset Management, LP - 0 shares Bihua Chen - 0 shares
	(iv)	shared power to dispose or to direct the disposition of
		Cormorant Global Healthcare Master Fund, LP – 1,025,273 shares Cormorant Global Healthcare GP, LLC - 1,025,273 shares Cormorant Asset Management, LP - 1,105,557 shares Bihua Chen - 1,105,557 shares

*** Shares reported herein for Cormorant Asset Management, LP represent shares which are beneficially owned by Cormorant Global Healthcare Master Fund, LP (the “Fund”), as reported herein, and shares which are beneficially owned by a managed account (the “Account”). Cormorant Global Healthcare GP, LLC serves as the general partner of the Fund, and Cormorant Asset Management, LP serves as the investment manager to both the Fund and the Account. Bihua Chen serves as the managing member of Cormorant Global Healthcare GP, LLC and of the general partner of Cormorant Asset Management, LP. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or his pecuniary interest therein. Percentage calculations herein are based upon the statement in the Issuer's Quarterly Report for the quarter ended September 30, 2018, as filed with the Securities and Exchange Commission on November 6, 2018, that there were 26,751,578 shares of Common Stock outstanding as of November 8, 2018.

Item 5.

Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [X].

Item 6.

Ownership of More than Five Percent on Behalf of Another Person

Not applicable.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company

Not applicable.

Item 8.

Identification and Classification of Members of the Group

Not applicable.

Item 9.

Notice of Dissolution of Group

Not applicable.

Item 10.

Certification

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

Exhibits	Exhibit
99.1	Joint Filing Agreement by and among the Reporting Persons, incorporated by reference to Exhibit 1 to the Schedule 13G filed by the Reporting Persons with the Securities and Exchange Commission on October 20, 2017.

SIGNATURE

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

February 14, 2019

CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP

By: Cormorant Global Healthcare GP, LLC

its General Partner

By: /s/ Bihua Chen

Bihua Chen, Managing Member

CORMORANT GLOBAL HEALTHCARE GP, LLC

By: /s/ Bihua Chen

Bihua Chen, Managing Member

CORMORANT ASSET MANAGEMENT, LP

By: Cormorant Asset Management GP, LLC

its General Partner

By: /s/ Bihua Chen

Bihua Chen, Managing Member

/s/ Bihua Chen

Bihua Chen