MERRIMACK PHARMACEUTICALS IN - COM NEW (MACK)

Q4 2019 13F Holders as of 31 Dec 2019

Type / Class
Equity / COM NEW
Total 13F shares
6,924,609
Share change
+327,493
Total reported value
$21,810,484
Put/Call ratio
114%
Price per share
$3.15
Number of holders
40
Value change
+$983,615
Number of buys
12
Number of sells
15

Institutional Holders of MERRIMACK PHARMACEUTICALS IN - COM NEW (MACK) as of Q4 2019

As of 31 Dec 2019, MERRIMACK PHARMACEUTICALS IN - COM NEW (MACK) was held by 40 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 6,924,609 shares. The largest 10 holders included 22NW, LP, Newtyn Management, LLC, Western Standard LLC, Nantahala Capital Management, LLC, DIMENSIONAL FUND ADVISORS LP, VANGUARD GROUP INC, Sepio Capital, LLC, BlackRock Inc., WITTENBERG INVESTMENT MANAGEMENT, INC., and SUSQUEHANNA INTERNATIONAL GROUP, LLP. This page lists 40 institutional shareholders reporting positions in this security for the Q4 2019 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.