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Merrimack Pharmaceuticals Inc (NASDAQ:MACK)

3.01
Delayed Data
As of Mar 28
 -0.05 / -1.63%
Today’s Change
2.83
Today|||52-Week Range
9.02
-26.23%
Year-to-Date
Institutional investors purchased a net $5.8 million shares of MACK during the quarter ended December 2016, and now own 80.15% of the total float, a percentage that is typical for companies in the Biotechnology industry.
Individual stakeholders7.49%
Mutual fund holders45.57%
Other institutional34.58%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

12/31/2016CONSONANCE CAPITAL MANAGEMENT LP  Bought 3.1 Million shares of Merrimack Pharmaceuticals...
12/31/2016FRANKLIN ADVISERS, INC.  Bought 2.7 Million shares of Merrimack Pharmaceuticals...
12/31/2016GREAT POINT PARTNERS LLC  Bought 2.6 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...14.86%19,376,09159,484,599+56,272+0.29%
BlackRock Fund Advisors7.70%10,044,24630,835,835+341,210+3.52%
The Vanguard Group, Inc.7.05%9,194,93628,228,454+187,303+2.08%
Westfield Capital Management Co. ...6.96%9,072,87727,853,732+178,869+2.01%
Consonance Capital Management LP6.95%9,067,99827,838,754+3,117,773+52.40%
TIAA-CREF Investment Management L...4.91%6,403,59419,659,034+596,810+10.28%
SSgA Funds Management, Inc.4.10%5,349,44716,422,802+756,645+16.47%
Great Point Partners LLC3.83%5,000,00015,350,000+2,557,841+104.74%
Franklin Advisers, Inc.3.04%3,963,26412,167,220+2,664,864+205.24%
Teachers Advisors LLC1.93%2,519,2367,734,055-243,180-8.80%

Top 10 Mutual Funds Holding Merrimack Pharmaceuticals Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Fidelity Growth Company Fund5.42%7,061,72121,679,483-423,700-5.66%
CREF Stock Account3.87%5,048,44015,498,71100.00%
SPDR S&P Biotech ETF2.67%3,483,95210,695,733+322,272+10.19%
Vanguard Small Cap Index Fund2.16%2,818,6358,653,209+67,666+2.46%
Vanguard Total Stock Market Index...2.07%2,698,0188,282,915+123,900+4.81%
Fidelity Select Biotechnology Por...2.06%2,685,2938,243,850+83,700+3.22%
FTIF SICAV - Biotechnology Discov...1.96%2,561,0777,862,506+1,749,677+215.64%
Fidelity Series Growth Company Fu...1.82%2,373,8007,287,566-106,400-4.29%
iShares Russell 2000 ETF1.80%2,342,0507,190,094-102,492-4.19%
iShares Nasdaq Biotechnology ETF1.38%1,797,1405,517,220-22,324-1.23%