Merrimack Pharmaceuticals Inc (NASDAQ:MACK)

Data as of Oct 20
 +0.24 / +2.84%
Today’s Change
Today|||52-Week Range
Institutional investors purchased a net $3.9 million shares of MACK during the quarter ended June 2014. This may signal that the smart money is gaining interest in this company as the 54.63% of shares outstanding that institutional investors hold is actually below the Biotechnology industry average.
Individual stakeholders8.27%
Mutual fund holders36.19%
Other institutional18.45%

Largest Quarterly Institutional

Latest Institutional Activity

9/30/2014B&T CAPITAL MANAGEMENT, INC.  Bought 273.1 Thousand shares of Merrimack Pharmaceuticals...
9/30/2014TRADEWORX, INC.  Bought 15.4 Thousand shares of Merrimack Pharmaceuticals...
9/30/2014FIRST NEW YORK SECURITIES LLC  Bought 2.5 Thousand shares of Merrimack Pharmaceuticals...

Top 10 Owners of Merrimack Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Fidelity Management & Research Co...14.77%15,447,572135,629,682+504,853+3.38%
BlackRock Fund Advisors5.18%5,413,10647,527,071+534,969+10.97%
The Vanguard Group, Inc.5.16%5,396,58347,381,999+125,957+2.39%
Jennison Associates LLC4.63%4,837,58242,473,970-1,001,678-17.15%
SSgA Funds Management, Inc.3.25%3,399,27629,845,643-1,242,346-26.77%
Deutsche Asset & Wealth Managemen...2.27%2,375,20120,854,265+2,241,065+1,670.74%
Millennium Management LLC1.97%2,055,59218,048,098+1,747,706+567.65%
Northern Trust Investments, Inc.1.08%1,133,9399,955,984-125,612-9.97%
Putnam Investment Management LLC0.83%867,6517,617,976-152,881-14.98%
UBS AG (Investment Management)0.77%804,9977,067,87400.00%

Top 10 Mutual Funds Holding Merrimack Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Fidelity Growth Company Fund9.15%9,571,60984,038,727+125,188+1.33%
Prudential Jennison Health Scienc...3.63%3,798,56233,351,37400.00%
SPDR S&P Biotech ETF2.06%2,149,82218,875,437+214,185+11.07%
Fidelity Series Growth Company Fu...1.96%2,048,36617,984,653+29,928+1.48%
Vanguard Small Cap Index Fund1.54%1,614,53014,175,573+8,678+0.54%
Fidelity Blue Chip Growth Fund1.53%1,594,65814,001,09700.00%
iShares Russell 2000 ETF1.40%1,467,26912,882,622+68,413+4.89%
Vanguard Total Stock Market Index...1.37%1,435,50912,603,769+26,340+1.87%
iShares Nasdaq Biotechnology ETF1.22%1,275,96111,202,938+64,420+5.32%
Vanguard Small Cap Growth Index F...1.06%1,104,9629,701,566-10,566-0.95%

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