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13G Filing: Biotechnology Value Fund LP and Blueprint Medicines Corp (BPMC)

Published on May 4, 2017 at 1:50 pm by Insider Monkey Staff in Hedge Funds

Page 1 of 13

You can access the original SEC filing by clicking here.

Ownership Summary Table

Name	Sole Voting Power	Shared Voting Power	Sole Dispositive Power	Shared Dispositive Power	Aggregate Amount Owned Power	Percent of Class
Biotechnology Value Fund			0	945,674	945,674	2.4%
Biotechnology Value Fund II			0	568,797	568,797	1.5%
Biotechnology Value Trading Fund OS			0	111,366	111,366	Less than 1%
BVF Partners OS Ltd			0	111,366	111,366	Less than 1%
BVF Partners			0	1,928,546	1,928,546	4.9%
BVF Inc			0	1,928,546	1,928,546	4.9%
Mark N. Lampert			0	1,928,546	1,928,546	4.9%

Page 1 of 13 – SEC Filing

UNITED STATES

SECURITIES AND EXCHANGE
COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO RULES 13d-1(b), (c),
AND (d) AND AMENDMENTS THERETO FILED

PURSUANT TO RULE 13d-2(b)

(Amendment No. 4)¹

Blueprint Medicines Corporation

(Name of Issuer)

Common Stock, $0.001 par value

(Title of Class of Securities)

09627Y109

(CUSIP Number)

May 1, 2017

(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)

☒

Rule 13d-1(c)

☐

Rule 13d-1(d)

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).

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NASDAQ:BPMC SEC 13G Filing Biotechnology Value Fund L P Blueprint Medicines Corp (BPMC)