MERRIMACK PHARMACEUTICALS IN - COM NEW (MACK)

Q4 2017 13F Holders as of 31 Dec 2017

Type / Class
Equity / COM NEW
Total 13F shares
7,176,969
Share change
+532,455
Total reported value
$73,600,605
Put/Call ratio
137%
Price per share
$10.25
Number of holders
71
Value change
+$4,766,747
Number of buys
39
Number of sells
32

Institutional Holders of MERRIMACK PHARMACEUTICALS IN - COM NEW (MACK) as of Q4 2017

As of 31 Dec 2017, MERRIMACK PHARMACEUTICALS IN - COM NEW (MACK) was held by 71 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 7,176,969 shares. The largest 10 holders included FMR LLC, BlackRock Inc., Vanguard Group Inc, TIAA CREF INVESTMENT MANAGEMENT LLC, Rubric Capital Management LP, FRANKLIN RESOURCES INC, Newtyn Management, LLC, STATE STREET CORP, MILLENNIUM MANAGEMENT LLC, and DIMENSIONAL FUND ADVISORS LP. This page lists 71 institutional shareholders reporting positions in this security for the Q4 2017 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.