MERRIMACK PHARMACEUTICALS IN - COM NEW (MACK)

Q4 2023 13F Holders as of 31 Dec 2023

Type / Class
Equity / COM NEW
Total 13F shares
9,310,760
Share change
+239,389
Total reported value
$124,857,594
Put/Call ratio
67%
Price per share
$13.41
Number of holders
66
Value change
+$3,426,308
Number of buys
29
Number of sells
17

Institutional Holders of MERRIMACK PHARMACEUTICALS IN - COM NEW (MACK) as of Q4 2023

As of 31 Dec 2023, MERRIMACK PHARMACEUTICALS IN - COM NEW (MACK) was held by 66 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 9,310,760 shares. The largest 10 holders included Western Standard LLC, Newtyn Management, LLC, BlackRock Inc., VANGUARD GROUP INC, Madison Avenue Partners, LP, ADAR1 Capital Management, LLC, DIMENSIONAL FUND ADVISORS LP, Sepio Capital, LP, Sio Capital Management, LLC, and GEODE CAPITAL MANAGEMENT, LLC. This page lists 66 institutional shareholders reporting positions in this security for the Q4 2023 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.