MACK

Merrimack Pharmaceuticals, Inc. Institutional Ownership

$4.41
*  
0.19
 negative 
4.13%
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*Delayed - data as of Apr. 15, 2014 
Exchange: NASDAQ
Industry: Health Care
Community Rating:
 
 
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Company Details

Institutional Ownership
Type Value
Total Shares Out Standing (millions): 103
Market Capitalization ($ millions): $242
Institutional Ownership: 49.49%
Price (as of 03/31/2014) 4.73

Ownership Summary

Ownership Analysis # of Holders Shares
Total Shares Held: 115 51,103,081
New Positions: 18 3,090,271
Increased Positions: 47 6,849,426
Decreased Positions: 48 8,555,333
Holders With Activity: 95 15,404,759
Sold Out Positions: 21 3,374,621

Institutional Holdings information for MACK is filed by major institutions on form 13-F with the Securities and Exchange Commission. Learn more about the information on this page in the help area for Institutional Holdings.

115 Institutional Holders
51,103,081 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)
ASSET MANAGEMENT GROUP, INC. 12/31/2013 29,453 0 0.00 139
CANNELL PETER B & CO INC 12/31/2013 27,400 27,400 New 130
WMS PARTNERS, LLC 12/31/2013 25,600 0 0.00 121
PEAPACK GLADSTONE FINANCIAL CORP 12/31/2013 25,342 (23,502) (48.12) 120
NORTHERN TRUST CO OF CONNECTICUT 12/31/2013 25,287 (638) (2.46) 120
ALESCO ADVISORS LLC 12/31/2013 23,932 23,932 New 113
LPL FINANCIAL LLC 12/31/2013 23,410 1,750 8.08 111
GROUP ONE TRADING, L.P. 12/31/2013 23,205 (5,768) (19.91) 110
D. E. SHAW & CO., INC. 12/31/2013 21,107 (1,800) (7.86) 100
KEYBANK NATIONAL ASSOCIATION/OH 12/31/2013 20,571 0 0.00 97
TWO SIGMA INVESTMENTS LLC 12/31/2013 18,921 18,921 New 89
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 12/31/2013 18,749 0 0.00 89
PARAMETRIC PORTFOLIO ASSOCIATES LLC 12/31/2013 16,330 4,887 42.71 77
MURPHY CAPITAL MANAGEMENT INC 12/31/2013 16,142 0 0.00 76
JANE STREET HOLDING, LLC 12/31/2013 16,020 16,020 New 76