MACK

Merrimack Pharmaceuticals, Inc. Institutional Ownership

$10.72
*  
0.05
0.46%
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*Delayed - data as of Feb. 27, 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 54.42%
Total Shares Outstanding (millions) 107
Total Value of Holdings (millions) $624

Active Positions

Holders Shares
Increased Positions 78 8,798,814
Decreased Positions 64 4,634,046
Held Positions 21 44,763,397
Total Institutional Shares 163 58,196,257

New and Sold Out Positions


Holders Shares
New Positions 32 3,708,097
Sold Out Positions 20 2,655,583

163 Institutional Holders
58,196,257 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)
INVESCO LTD. 12/31/2014 324,918 123,491 61.31 3,483
GOLDMAN SACHS GROUP INC 12/31/2014 308,047 (1,765) (0.57) 3,302
SCHWAB CHARLES INVESTMENT MANAGEMENT INC 12/31/2014 288,299 15,908 5.84 3,091
B & T CAPITAL MANAGEMENT DBA ALPHA CAPITAL MANAGEMENT 12/31/2014 280,113 7,021 2.57 3,003
BLACKROCK INVESTMENT MANAGEMENT, LLC 12/31/2014 269,375 (2,397) (0.88) 2,888
JPMORGAN CHASE & CO 12/31/2014 262,639 (81,241) (23.63) 2,815
RENAISSANCE TECHNOLOGIES LLC 12/31/2014 255,413 (65,800) (20.49) 2,738
RUSSELL FRANK CO/ 12/31/2014 228,103 31,481 16.01 2,445
WELLINGTON MANAGEMENT GROUP LLP 12/31/2014 222,867 62,811 39.24 2,389
SPARK INVESTMENT MANAGEMENT LLC 12/31/2014 184,600 94,100 103.98 1,979
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 12/31/2014 181,947 775 .43 1,950
SUSQUEHANNA INTERNATIONAL GROUP, LLP 12/31/2014 172,979 79,477 85 1,854
UBS GROUP AG 12/31/2014 167,490 9,700 6.15 1,795
AXA 12/31/2014 165,679 165,679 New 1,776
CAMBRIDGE TRUST CO 12/31/2014 165,003 (15,000) (8.33) 1,769

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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