MERRIMACK PHARMACEUTICALS IN - COM NEW (MACK)

Q4 2020 13F Holders as of 31 Dec 2020

Type / Class
Equity / COM NEW
Total 13F shares
7,975,977
Share change
+990,568
Total reported value
$54,954,034
Put/Call ratio
16%
Price per share
$6.89
Number of holders
31
Value change
+$6,891,184
Number of buys
10
Number of sells
11

Institutional Holders of MERRIMACK PHARMACEUTICALS IN - COM NEW (MACK) as of Q4 2020

As of 31 Dec 2020, MERRIMACK PHARMACEUTICALS IN - COM NEW (MACK) was held by 31 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 7,975,977 shares. The largest 10 holders included Newtyn Management, LLC, 22NW, LP, Western Standard LLC, Nantahala Capital Management, LLC, VANGUARD GROUP INC, DIMENSIONAL FUND ADVISORS LP, Bronte Capital Management Pty Ltd., TWO SIGMA INVESTMENTS, LP, BlackRock Inc., and TWO SIGMA ADVISERS, LP. This page lists 31 institutional shareholders reporting positions in this security for the Q4 2020 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.