13G Filing: D E Shaw and Ophthotech Corp. (OPHT)

SECURITIES AND EXCHANGE COMMISSION

 

Washington, D.C. 20549

 

SCHEDULE 13G

 

Under the Securities Exchange Act of 1934

 

Ophthotech Corporation

(Name of Issuer)

Common Stock, $0.001 par value

(Title of Class of Securities)

 

 

683745103

(CUSIP Number)

 

 

May 11, 2017

(Date of Event Which Requires Filing of
this Statement)

Check the following box to designate the rule pursuant to which
the 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).