MACK

Merrimack Pharmaceuticals, Inc. Institutional Ownership

$12.095
*  
0.27
2.18%
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*Delayed - data as of Jul. 1, 2015  -  Find a broker to begin trading MACK now
Exchange: NASDAQ
Industry: Health Care
Community Rating:
 
 
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary


Institutional Ownership 62.88%
Total Shares Outstanding (millions) 110
Total Value of Holdings (millions) $856

Active Positions

Holders Shares
Increased Positions 75 14,958,687
Decreased Positions 61 3,871,860
Held Positions 32 50,357,803
Total Institutional Shares 168 69,188,350

New and Sold Out Positions


Holders Shares
New Positions 26 5,436,133
Sold Out Positions 15 1,192,539

168 Institutional Holders
69,188,350 Total Shares Held


Click on the column header links to resort ascending (▲) or descending (▼).
Owner Name Date Shared Held Change (Shares) Change (%) Value (in 1,000s)
UBS GROUP AG 03/31/2015 214,990 47,500 28.36 2,658
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 03/31/2015 179,947 (2,000) (1.1) 2,225
FIRST REPUBLIC INVESTMENT MANAGEMENT, INC. 03/31/2015 161,899 0 0.00 2,002
ALLIANCEBERNSTEIN L.P. 03/31/2015 161,100 0 0.00 1,992
TWO SIGMA ADVISERS, LLC 03/31/2015 159,606 21,760 15.79 1,974
GSA CAPITAL PARTNERS LLP 03/31/2015 156,973 156,973 New 1,941
CAMBRIDGE TRUST CO 03/31/2015 153,003 (12,000) (7.27) 1,892
RUSSELL FRANK CO/ 03/31/2015 150,049 (78,054) (34.22) 1,855
BARCLAYS PLC 03/31/2015 135,044 126,852 1,548.49 1,670
COLUMBIA CAPITAL LLC 12/31/2014 117,702 117,702 New 1,455
EAGLE RIDGE INVESTMENT MANAGEMENT 03/31/2015 117,500 25,000 27.03 1,453
RA CAPITAL MANAGEMENT, LLC 03/31/2015 116,400 0 0.00 1,439
SWISS NATIONAL BANK 03/31/2015 115,200 3,900 3.50 1,424
PROSHARE ADVISORS LLC 03/31/2015 105,126 13,943 15.29 1,300
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 03/31/2015 101,500 0 0.00 1,255

Institutional Holdings information for this company is filed by major institutions on form 13-F with the Securities and Exchange Commission.
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