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Merrimack Pharmaceuticals Inc (NASDAQ:MACK)

2.98
Delayed Data
As of Jan 23
 -0.02 / -0.67%
Today’s Change
2.83
Today|||52-Week Range
9.02
-26.96%
Year-to-Date
Institutional investors purchased a net $9.9 million shares of MACK during the quarter ended September 2016, and now own 76.31% of the total float, a percentage that is typical for companies in the Biotechnology industry.
Individual stakeholders7.47%
Mutual fund holders44.05%
Other institutional32.26%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

12/31/2016DEKA INVESTMENT GMBH  Bought 30.0 Thousand shares of Merrimack Pharmaceuticals...
10/31/2016CANDRIAM BELGIUM SA  Bought 30.0 Thousand shares of Merrimack Pharmaceuticals...
12/31/2016FOX RUN MANAGEMENT LLC  Bought 21.3 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...14.91%19,319,81978,824,862+227,350+1.19%
BlackRock Fund Advisors7.49%9,703,03639,588,387+1,039,495+12.00%
The Vanguard Group, Inc.6.95%9,007,63336,751,143-1,188,782-11.66%
Westfield Capital Management Co. ...6.86%8,894,00836,287,553-180,549-1.99%
Consonance Capital Management LP4.59%5,950,22524,276,918+5,950,225--
TIAA-CREF Investment Management L...4.48%5,806,78423,691,679+253,725+4.57%
SSgA Funds Management, Inc.3.54%4,592,80218,738,632+684,128+17.50%
Teachers Advisors, Inc.2.13%2,762,41611,270,657+195,953+7.64%
Putnam Investment Management LLC2.05%2,654,37310,829,842-119,948-4.32%
Great Point Partners LLC1.88%2,442,1599,964,009+2,442,159--

Top 10 Mutual Funds Holding Merrimack Pharmaceuticals Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Fidelity Growth Company Fund5.79%7,509,42130,638,438-177,400-2.31%
CREF Stock Account3.90%5,056,44820,630,308+59,598+1.19%
SPDR S&P Biotech ETF2.56%3,321,43313,551,447+9,852+0.30%
Vanguard Small Cap Index Fund2.12%2,750,96911,223,954+27,535+1.01%
Fidelity Select Biotechnology Por...2.01%2,601,59310,614,499+43,972+1.72%
Vanguard Total Stock Market Index...1.99%2,574,11810,502,401+21,900+0.86%
iShares Russell 2000 ETF1.94%2,514,18410,257,871-3,942-0.16%
Fidelity Series Growth Company Fu...1.91%2,480,20010,119,21600.00%
iShares Nasdaq Biotechnology ETF1.41%1,822,6237,436,302+6,318+0.35%
Fidelity Blue Chip Growth Fund1.21%1,562,4256,374,69400.00%