MACK

Merrimack Pharmaceuticals, Inc. Institutional Ownership

$4.52
*  
0.02
 negative 
0.44%
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*Delayed - data as of Apr. 17, 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): $231
Institutional Ownership: 49.52%
Price (as of 03/31/2014) 4.52

Ownership Summary

Ownership Analysis # of Holders Shares
Total Shares Held: 116 51,127,861
New Positions: 19 3,110,271
Increased Positions: 49 6,874,206
Decreased Positions: 48 8,555,333
Holders With Activity: 97 15,429,539
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.

116 Institutional Holders
51,127,861 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)
TEACHER RETIREMENT SYSTEM OF TEXAS 12/31/2013 3,433 (8,291) (70.72) 16
ROYAL BANK OF CANADA 12/31/2013 2,100 (2,253) (51.76) 9
BNP PARIBAS ARBITRAGE, SA 12/31/2013 1,253 (24,793) (95.19) 6
METLIFE SECURITIES, INC 12/31/2013 1,000 0 0.00 5
TOWER RESEARCH CAPITAL LLC 12/31/2013 554 (5,359) (90.63) 3
AMERIPRISE FINANCIAL INC 12/31/2013 0 (6,143) Sold Out
ARROWGRASS CAPITAL PARTNERS (US) LP 12/31/2013 0 (228,833) Sold Out
CALAMOS ADVISORS LLC 12/31/2013 0 (57,900) Sold Out
CALAMOS WEALTH MANAGEMENT LLC 12/31/2013 0 (17,575) Sold Out
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 12/31/2013 0 (3,900) Sold Out
EMPYREAN CAPITAL PARTNERS, LP 12/31/2013 0 (40,000) Sold Out
FORTRESS INVESTMENT GROUP LLC 12/31/2013 0 (182,292) Sold Out
HIGHTOWER ADVISORS, LLC 12/31/2013 0 (43,570) Sold Out
KCG HOLDINGS, INC. 12/31/2013 0 (18,387) Sold Out
LOEB OFFSHORE MANAGEMENT LP 12/31/2013 0 (10,180) Sold Out