Merrimack Pharmaceuticals Inc (NASDAQ:MACK)

11.29
Delayed Data
As of 4:00pm ET
 +0.08 / +0.71%
Today’s Change
9.68
Today|||52-Week Range
27.14
+10.15%
Year-to-Date
 
Individual stakeholders4.06%
Mutual fund holders28.54%
Other institutional26.59%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

12/31/2017DIMENSIONAL FUND ADVISORS LP  Bought 175.5 Thousand shares of Merrimack Pharmaceuticals...
12/31/2017MILLENNIUM MANAGEMENT LLC  Bought 140.6 Thousand shares of Merrimack Pharmaceuticals...
12/31/2017FEDERATED MDTA LLC  Bought 117.7 Thousand shares of Merrimack Pharmaceuticals...

Top 10 Owners of Merrimack Pharmaceuticals Inc

StockholderStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Fidelity Management & Research Co...11.82%1,576,81616,556,568-5,241-0.33%
BlackRock Fund Advisors5.66%755,0157,927,658-216,277-22.27%
The Vanguard Group, Inc.4.75%633,4226,650,931+42,404+7.17%
TIAA-CREF Investment Management L...4.13%551,3505,789,175-10,956-1.95%
Rubric Capital Management LP3.08%410,2444,307,562+72,376+21.42%
Franklin Advisers, Inc.2.77%369,6253,881,063-26,700-6.74%
Newtyn Management LLC2.72%362,3353,804,518-27,665-7.09%
SSgA Funds Management, Inc.1.65%219,6652,306,483-5,342-2.37%
Millennium Management LLC1.53%204,5662,147,943+140,567+219.64%
Dimensional Fund Advisors LP1.51%201,3252,113,913+175,475+678.82%

Top 10 Mutual Funds Holding Merrimack Pharmaceuticals Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Fidelity Growth Company Fund3.83%511,1625,367,20100.00%
CREF Stock Account3.58%477,8375,017,289-1,439-0.30%
Vanguard Total Stock Market Index...2.44%325,0273,412,78400.00%
Fidelity Select Biotechnology Por...2.12%283,3462,975,13300.00%
iShares Russell 2000 ETF1.90%253,5142,661,897-2,115-0.83%
FTIF SICAV - Biotechnology Discov...1.72%229,4072,408,774-26,700-10.43%
Vanguard Extended Market Index Fu...1.28%171,1291,796,855-660-0.38%
Fidelity Blue Chip Growth Fund1.12%149,4651,569,383-1,199-0.80%
Franklin Biotechnology Discovery ...1.05%140,2181,472,289-1-0.00%
Fidelity Series Growth Company Fu...1.04%138,8601,458,030-1,800-1.28%