MERRIMACK PHARMACEUTICALS IN - COM (MACK)

CUSIP: 590328100

Q4 2014 13F Holders as of 31 Dec 2014

Type / Class
Equity / COM
Total 13F shares
58,191,345
Share change
+2,273,155
Total reported value
$657,365,058
Put/Call ratio
235%
Price per share
$11.30
Number of holders
141
Value change
+$32,244,586
Number of buys
68
Number of sells
63

Quarterly Holders Quick Answers

What is CUSIP 590328100?
CUSIP 590328100 identifies MACK - MERRIMACK PHARMACEUTICALS IN - COM in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Institutional Holders of MERRIMACK PHARMACEUTICALS IN - COM (MACK) as of Q4 2014

As of 31 Dec 2014, MERRIMACK PHARMACEUTICALS IN - COM (MACK) was held by 141 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 58,191,345 shares. The largest 10 holders included FMR LLC, VANGUARD GROUP INC, BlackRock Fund Advisors, State Street Corp, DEUTSCHE BANK AG\, BlackRock Institutional Trust Company, N.A., MILLENNIUM MANAGEMENT LLC, Lagoda Investment Management, L.P., NORTHERN TRUST CORP, and UBS GLOBAL ASSET MANAGEMENT AMERICAS INC. This page lists 141 institutional shareholders reporting positions in this security for the Q4 2014 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.