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Merrimack Pharmaceuticals Inc (NASDAQ:MACK)

6.15
Delayed Data
As of Sep 27
 -0.09 / -1.44%
Today’s Change
4.39
Today|||52-Week Range
10.85
-22.15%
Year-to-Date
Institutional investors purchased a net $1.4 million shares of MACK during the quarter ended June 2016, and now own 68.29% of the total float, a percentage that is typical for companies in the Biotechnology industry.
Individual stakeholders7.49%
Mutual fund holders41.77%
Other institutional26.52%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

6/30/2016MILLENNIUM MANAGEMENT LLC  Bought 2.0 Million shares of Merrimack Pharmaceuticals...
6/30/2016FIDELITY MANAGEMENT & RESEARCH C...  Bought 1.7 Million shares of Merrimack Pharmaceuticals...
6/30/2016FRANKLIN ADVISERS, INC.  Bought 1.3 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...14.77%19,092,46988,207,207+1,749,684+10.09%
The Vanguard Group, Inc.7.89%10,196,41547,107,437+958,188+10.37%
Westfield Capital Management Co. ...7.02%9,074,55741,924,453+947,535+11.66%
BlackRock Fund Advisors6.70%8,663,54140,025,559+538,058+6.62%
TIAA-CREF Investment Management L...4.30%5,553,05925,655,133+87,563+1.60%
SSgA Funds Management, Inc.3.02%3,908,67418,058,074+939,786+31.65%
Putnam Investment Management LLC2.15%2,774,32112,817,363+103,350+3.87%
Teachers Advisors, Inc.1.99%2,566,46311,857,059+36,275+1.43%
Lagoda Investment Management LP1.74%2,244,08010,367,650-83,519-3.59%
Millennium Management LLC1.58%2,046,5239,454,936+2,046,523--

Top 10 Mutual Funds Holding Merrimack Pharmaceuticals Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Fidelity Growth Company Fund6.08%7,856,42136,296,665-47,000-0.59%
CREF Stock Account3.59%4,636,40221,420,177-2,265-0.05%
Vanguard Small Cap Index Fund1.99%2,574,58411,894,578+29,608+1.16%
Fidelity Series Growth Company Fu...1.92%2,480,20011,458,52400.00%
Vanguard Total Stock Market Index...1.87%2,421,99311,189,60800.00%
Fidelity Select Biotechnology Por...1.84%2,377,45810,983,85600.00%
SPDR S&P Biotech ETF1.56%2,015,8779,313,352-3,030-0.15%
iShares Russell 2000 ETF1.50%1,937,8728,952,969-38,715-1.96%
iShares Nasdaq Biotechnology ETF1.30%1,678,5637,754,961+6,406+0.38%
Fidelity Blue Chip Growth Fund1.21%1,562,4257,218,40400.00%