Canada markets closed

Merrimack Pharmaceuticals, Inc. (MACK)

NasdaqGM - NasdaqGM Real Time Price. Currency in USD
Add to watchlist
15.00-0.03 (-0.20%)
At close: 04:00PM EDT
15.00 0.00 (0.00%)
After hours: 06:09PM EDT
Insider Roster
Insider Transactions

Major Holders

Currency in USD
Breakdown
1.21%% of Shares Held by All Insider
66.14%% of Shares Held by Institutions
66.96%% of Float Held by Institutions
96Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Western Standard, LLC2,172,513Dec 30, 202314.95%32,587,695
Newtyn Management, Llc1,873,694Dec 30, 202312.89%28,105,410
Blackrock Inc.743,623Dec 30, 20235.12%11,154,345
Vanguard Group Inc608,954Dec 30, 20234.19%9,134,310
Madison Avenue Partners, LP553,085Dec 30, 20233.81%8,296,275
Adar1 Capital Management, LLC 549,418Dec 30, 20233.78%8,241,270
Dimensional Fund Advisors LP435,645Dec 30, 20233.00%6,534,675
Sepio Capital, LP306,680Dec 30, 20232.11%4,600,200
Sio Capital Management, LLC288,466Dec 30, 20231.99%4,326,990
Geode Capital Management, LLC259,946Dec 30, 20231.79%3,899,190

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard Total Stock Market Index Fund318,128Dec 30, 20232.19%4,771,920
Invesco ETF Tr II-Invesco DWA Small Cap Momentum ETF263,098Mar 30, 20241.81%3,946,470
iShares Russell 2000 ETF253,914Mar 30, 20241.75%3,808,710
Vanguard Extended Market Index Fund203,398Dec 30, 20231.40%3,050,970
DFA U.S. Micro Cap Series145,158Jan 30, 20241.00%2,177,370
DFA U.S. Small Cap Series108,259Jan 30, 20240.74%1,623,885
Fidelity Small Cap Index Fund105,374Feb 28, 20240.73%1,580,610
iShares Russell 2000 Growth ETF89,226Mar 30, 20240.61%1,338,390
Fidelity Extended Market Index Fund79,167Feb 28, 20240.54%1,187,505
Dimensional ETF Tr-Dimensional U.S. Targeted Value ETF58,606Jan 30, 20240.40%879,090