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Merrimack Pharmaceuticals Inc (NASDAQ:MACK)

10.54
Delayed Data
As of 4:00pm ET
 -0.04 / -0.38%
Today’s Change
10.04
Today|||52-Week Range
38.03
-62.02%
Year-to-Date
 
Individual stakeholders3.98%
Mutual fund holders29.19%
Other institutional22.78%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

9/30/2017NEWTYN MANAGEMENT LLC  Bought 390.0 Thousand shares of Merrimack Pharmaceuticals...
9/30/2017RUBRIC CAPITAL MANAGEMENT LP  Bought 337.9 Thousand shares of Merrimack Pharmaceuticals...
9/30/2017WITTENBERG INVESTMENT MANAGEMENT...  Bought 65.0 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...11.87%1,582,05718,573,349-136,350-7.93%
BlackRock Fund Advisors7.29%971,29211,402,968+17,516+1.84%
The Vanguard Group, Inc.4.43%591,0186,938,551-66,549-10.12%
TIAA-CREF Investment Management L...4.22%562,3066,601,472+5,887+1.06%
Franklin Advisers, Inc.2.97%396,3254,652,856-1-0.00%
Newtyn Management LLC2.93%390,0004,578,600+390,000--
Rubric Capital Management LP2.53%337,8683,966,570+337,868--
SSgA Funds Management, Inc.1.69%225,0072,641,582+108+0.05%
Northern Trust Investments, Inc.1.11%148,1511,739,293+3,314+2.29%
Deutsche Asset Management Investm...1.00%133,6491,569,039+2,019+1.53%

Top 10 Mutual Funds Holding Merrimack Pharmaceuticals Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Fidelity Growth Company Fund3.83%511,1626,001,042-14,700-2.80%
CREF Stock Account3.60%479,2765,626,700-136-0.03%
Vanguard Total Stock Market Index...2.36%314,0273,686,677+12,451+4.13%
Fidelity Select Biotechnology Por...2.13%283,3463,326,48200.00%
iShares Russell 2000 ETF2.05%273,8183,214,623-1,504-0.55%
FTIF SICAV - Biotechnology Discov...1.92%256,1073,006,696-1-0.00%
iShares Nasdaq Biotechnology ETF1.48%197,0002,312,780-650-0.33%
Fidelity Blue Chip Growth Fund1.14%151,3291,776,602-633-0.42%
Fidelity Series Growth Company Fu...1.06%140,6601,651,348-3,600-2.50%
Franklin Biotechnology Discovery ...1.05%140,2181,646,159-1-0.00%