Merrimack Pharmaceuticals Inc (NASDAQ:MACK)

During the Trading Day
5.92 +0.205 / +3.59%
Data as of 4:00pm ET
Day’s Change
During After-Hours   Switch to standard view »
5.87 -0.0418 / -0.71%
Volume: 4.6K
Institutional investors purchased a net $2.4 million shares of MACK during the quarter ended March 2014. This may signal that the smart money is gaining interest in this company as the 52.15% of shares outstanding that institutional investors hold is actually below the Biotechnology industry average.
Individual stakeholders8.00%
Mutual fund holders33.64%
Other institutional18.52%

Largest Quarterly Institutional

Latest Institutional Activity

6/30/2014STONERIDGE INVESTMENT PARTNERS L...  Bought 302.7 Thousand shares of Merrimack Pharmaceuticals...
5/31/2014JACOB ASSET MANAGEMENT OF NEW YO...  Bought 91.0 Thousand shares of Merrimack Pharmaceuticals...
6/30/2014EAGLE RIDGE INVESTMENT MANAGEMEN...  Bought 62.5 Thousand shares of Merrimack Pharmaceuticals...

Top 10 Owners of Merrimack Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Fidelity Management & Research Co...14.92%15,424,968112,448,017+159,540+1.05%
Jennison Associates LLC5.65%5,839,26042,568,205-697,396-10.67%
The Vanguard Group, Inc.5.10%5,270,62638,422,864+290,921+5.84%
BlackRock Fund Advisors4.72%4,878,13735,561,619+141,923+3.00%
SSgA Funds Management, Inc.4.49%4,641,62233,837,424+3,183,145+218.25%
Northern Trust Investments, Inc.1.22%1,259,5519,182,127-91,644-6.78%
Putnam Investment Management LLC0.99%1,020,5327,439,678+717,954+237.28%
The Bank of New York Mellon Corp....0.89%916,0776,678,201+13,824+1.53%
UBS AG (Investment Management)0.78%804,9975,868,428+14,500+1.83%
Morgan Stanley Smith Barney LLC0.76%789,2045,753,297-200,906-20.29%

Top 10 Mutual Funds Holding Merrimack Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Fidelity Growth Company Fund9.37%9,686,32170,613,280+16,900+0.17%
Prudential Jennison Health Scienc...3.67%3,798,56227,691,51700.00%
SPDR S&P Biotech ETF1.76%1,824,09513,297,653-707,293-27.94%
Vanguard Small Cap Index Fund1.55%1,605,85211,706,661+81,541+5.35%
Fidelity Blue Chip Growth Fund1.54%1,594,65811,625,05700.00%
iShares Russell 2000 ETF1.41%1,456,78110,619,933+24,768+1.73%
Vanguard Total Stock Market Index...1.36%1,409,16910,272,84200.00%
iShares Nasdaq Biotechnology ETF1.17%1,210,4738,824,348+6,899+0.57%
Vanguard Small Cap Growth Index F...1.09%1,127,5928,220,146+32,658+2.98%
iShares US Pharmaceuticals ETF0.81%840,9806,130,744+840,980--

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