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Merrimack Pharmaceuticals Inc (NASDAQ:MACK)

5.42
Delayed Data
As of Dec 05
 +0.15 / +2.85%
Today’s Change
4.39
Today|||52-Week Range
9.02
-31.39%
Year-to-Date
Institutional investors purchased a net $9.8 million shares of MACK during the quarter ended September 2016, and now own 76.03% of the total float, a percentage that is typical for companies in the Biotechnology industry.
Individual stakeholders7.49%
Mutual fund holders42.47%
Other institutional33.56%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

9/30/2016CONSONANCE CAPITAL MANAGEMENT LP  Bought 6.0 Million shares of Merrimack Pharmaceuticals...
9/30/2016GREAT POINT PARTNERS LLC  Bought 2.4 Million shares of Merrimack Pharmaceuticals...
9/30/2016BLACKROCK FUND ADVISORS  Bought 1.0 Million shares of Merrimack Pharmaceuticals...

Top 10 Owners of Merrimack Pharmaceuticals Inc

StockholderStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Fidelity Management & Research Co...14.95%19,319,819100,849,455+227,350+1.19%
BlackRock Fund Advisors7.51%9,703,03650,649,848+1,039,495+12.00%
The Vanguard Group, Inc.6.97%9,007,63347,019,844-1,188,782-11.66%
Westfield Capital Management Co. ...6.88%8,894,00846,426,722-180,549-1.99%
Consonance Capital Management LP4.60%5,950,22531,060,175+5,950,225--
TIAA-CREF Investment Management L...4.49%5,806,78430,311,412+253,725+4.57%
SSgA Funds Management, Inc.3.55%4,592,80223,974,426+684,128+17.50%
Teachers Advisors, Inc.2.14%2,762,41614,419,812+195,953+7.64%
Putnam Investment Management LLC2.05%2,654,37313,855,827-119,948-4.32%
Great Point Partners LLC1.89%2,442,15912,748,070+2,442,159--

Top 10 Mutual Funds Holding Merrimack Pharmaceuticals Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Fidelity Growth Company Fund5.95%7,686,82140,125,206-156,700-2.00%
CREF Stock Account3.60%4,651,63024,281,509+15,228+0.33%
Vanguard Small Cap Index Fund2.08%2,683,42214,007,463+34,702+1.31%
SPDR S&P Biotech ETF2.06%2,655,91213,863,861+48,690+1.87%
Fidelity Select Biotechnology Por...1.98%2,557,62113,350,78200.00%
Vanguard Total Stock Market Index...1.96%2,526,84213,190,115+15,498+0.62%
Fidelity Series Growth Company Fu...1.92%2,480,20012,946,64400.00%
iShares Russell 2000 ETF1.53%1,980,06710,335,950-37,845-1.88%
iShares Nasdaq Biotechnology ETF1.39%1,795,0409,370,109+6,612+0.37%
Fidelity Blue Chip Growth Fund1.21%1,562,4258,155,85900.00%