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Merrimack Pharmaceuticals Inc (NASDAQ:MACK)

3.51
BATS BZX Real-Time Price
As of 11:58am ET
 -0.03 / -0.85%
Today’s Change
2.83
Today|||52-Week Range
7.14
-13.97%
Year-to-Date
Institutional investors purchased a net $22.1 million shares of MACK during the quarter ended March 2017, and now own 63.14% of the total float, a percentage that is typical for companies in the Biotechnology industry.
Individual stakeholders7.55%
Mutual fund holders44.58%
Other institutional18.56%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

3/31/2017SSGA FUNDS MANAGEMENT, INC.  Bought 1.3 Million shares of Merrimack Pharmaceuticals...
3/31/2017GOLDMAN SACHS & CO. LLC (PRIVATE...  Bought 1.1 Million shares of Merrimack Pharmaceuticals...
3/31/2017THE VANGUARD GROUP, INC.  Bought 1.1 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...14.75%19,253,26864,113,382-122,823-0.63%
BlackRock Fund Advisors8.24%10,761,76935,836,691+717,523+7.14%
The Vanguard Group, Inc.7.86%10,265,75234,184,954+1,070,816+11.65%
SSgA Funds Management, Inc.5.06%6,611,23022,015,396+1,261,783+23.59%
TIAA-CREF Investment Management L...4.89%6,385,11121,262,420-18,483-0.29%
Franklin Advisers, Inc.3.04%3,963,26413,197,66900.00%
Teachers Advisors LLC1.44%1,877,7036,252,751-641,533-25.47%
Northern Trust Investments, Inc.1.09%1,420,1244,729,013-15,011-1.05%
Goldman Sachs & Co. LLC (Private ...0.97%1,264,6834,211,394+1,128,740+830.30%
Peter B. Cannell & Co., Inc.0.93%1,212,4784,037,552-360,500-22.92%

Top 10 Mutual Funds Holding Merrimack Pharmaceuticals Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Fidelity Growth Company Fund5.34%6,972,62123,218,828-89,100-1.26%
CREF Stock Account3.85%5,029,95716,749,757-12,104-0.24%
SPDR S&P Biotech ETF3.41%4,453,53114,830,258-183,564-3.96%
Vanguard Small Cap Index Fund2.25%2,933,8699,769,784+53,313+1.85%
Fidelity Select Biotechnology Por...2.06%2,685,2938,942,026+83,700+3.22%
FTIF SICAV - Biotechnology Discov...1.96%2,561,0778,528,38600.00%
iShares Russell 2000 ETF1.92%2,501,0448,328,477-19,710-0.78%
Fidelity Series Growth Company Fu...1.82%2,373,8007,904,754-106,400-4.29%
iShares US Pharmaceuticals ETF1.61%2,097,1486,983,503-22,550-1.06%
Vanguard Total Stock Market Index...1.51%1,964,7156,542,501-933,239-32.20%