MACK

Merrimack Pharmaceuticals, Inc. Institutional Ownership

$11.78
*  
0.06
0.51%
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*Delayed - data as of Mar. 4, 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) $657

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)
MANUFACTURERS LIFE INSURANCE COMPANY, THE 12/31/2014 62,544 (2,246) (3.47) 706
AMERICAN INTERNATIONAL GROUP INC 12/31/2014 61,733 (3,643) (5.57) 697
CITIGROUP INC 12/31/2014 57,266 38,984 213.24 647
DEKABANK DEUTSCHE GIROZENTRALE 12/31/2014 56,000 (5,000) (8.2) 632
BLACKROCK GROUP LTD 12/31/2014 55,619 50,661 1,021.80 628
DRIEHAUS CAPITAL MANAGEMENT LLC 12/31/2014 51,484 51,484 New 581
ELLINGTON MANAGEMENT GROUP LLC 12/31/2014 49,400 49,400 New 558
CITADEL ADVISORS LLC 12/31/2014 49,003 (110,299) (69.24) 553
BIRCHVIEW CAPITAL, LP 12/31/2014 42,300 42,300 New 478
COMMERZBANK AKTIENGESELLSCHAFT /FI 12/31/2014 41,067 41,067 New 464
PRICE T ROWE ASSOCIATES INC /MD/ 12/31/2014 40,800 15,100 58.76 461
FEDERATED INVESTORS INC /PA/ 12/31/2014 40,000 (40,000) (50) 452
BANK OF AMERICA CORP /DE/ 12/31/2014 39,975 (6,836) (14.6) 451
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 12/31/2014 37,773 0 0.00 426
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 12/31/2014 37,545 37,545 New 424

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