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Merrimack Pharmaceuticals Inc (NASDAQ:MACK)

1.24
Delayed Data
As of Aug 23
 +0.08 / +6.90%
Today’s Change
1.13
Today|||52-Week Range
4.62
-55.32%
Year-to-Date
Institutional ownership of MACK stands at $62.8 million shares or 49.03% of shares outstanding. This is in-line with the Biotechnology industry average.
Individual stakeholders7.43%
Mutual fund holders32.69%
Other institutional16.34%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

6/30/2017MILLENNIUM MANAGEMENT LLC  Bought 432.7 Thousand shares of Merrimack Pharmaceuticals...
6/30/2017MORGAN STANLEY & CO. LLC  Bought 320.5 Thousand shares of Merrimack Pharmaceuticals...
6/30/2017J. GOLDMAN & CO. LP  Bought 266.8 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...12.95%17,184,06822,854,810-2,069,200-10.75%
BlackRock Fund Advisors7.19%9,537,75112,685,209-1,224,018-11.37%
The Vanguard Group, Inc.5.13%6,805,8869,051,828-3,459,866-33.70%
TIAA-CREF Investment Management L...4.19%5,564,1857,400,366-820,926-12.86%
Franklin Advisers, Inc.2.99%3,963,2645,271,14100.00%
SSgA Funds Management, Inc.1.69%2,248,9862,991,151-4,362,244-65.98%
Northern Trust Investments, Inc.1.09%1,448,3671,926,328+28,243+1.99%
Deutsche Asset Management Investm...0.99%1,316,3031,750,683+156,056+13.45%
Peter B. Cannell & Co., Inc.0.81%1,076,8031,432,148-135,675-11.19%
Geode Capital Management LLC0.76%1,003,8021,335,057+4,068+0.41%

Top 10 Mutual Funds Holding Merrimack Pharmaceuticals Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Fidelity Growth Company Fund4.31%5,714,8217,600,712-853,200-12.99%
CREF Stock Account3.64%4,829,0316,422,611-200,926-3.99%
Fidelity Select Biotechnology Por...2.13%2,833,4623,768,50400.00%
FTIF SICAV - Biotechnology Discov...1.93%2,561,0773,406,23200.00%
iShares Russell 2000 ETF1.92%2,552,0863,394,274+22,095+0.87%
Fidelity Series Growth Company Fu...1.52%2,021,1002,688,063-41,000-1.99%
Vanguard Total Stock Market Index...1.48%1,969,9592,620,04500.00%
iShares Nasdaq Biotechnology ETF1.42%1,878,9712,499,031-9,474-0.50%
Vanguard Extended Market Index Fu...1.19%1,574,6822,094,327+16,632+1.07%
Fidelity Blue Chip Growth Fund1.18%1,562,4252,078,02500.00%