MACK

Merrimack Pharmaceuticals, Inc. Institutional Ownership

$8.68
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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 53.74%
Total Shares Outstanding (millions) 105
Total Value of Holdings (millions) $488

Active Positions

Holders Shares
Increased Positions 68 9,011,222
Decreased Positions 53 6,135,192
Held Positions 19 41,063,428
Total Institutional Shares 140 56,209,842

New and Sold Out Positions


Holders Shares
New Positions 36 2,606,466
Sold Out Positions 15 1,587,759

36 New Institutional Holders
2,606,466 New 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)
RENAISSANCE TECHNOLOGIES LLC 06/30/2014 569,413 569,413 New 4,943
INVESCO LTD. 06/30/2014 392,237 392,237 New 3,405
NEW YORK STATE COMMON RETIREMENT FUND 06/30/2014 292,400 292,400 New 2,538
B & T CAPITAL MANAGEMENT DBA ALPHA CAPITAL MANAGEMENT 09/30/2014 273,092 273,092 New 2,370
EAM INVESTORS, LLC 06/30/2014 118,313 118,313 New 1,027
RUSSELL FRANK CO/ 06/30/2014 116,322 116,322 New 1,010
FEDERATED INVESTORS INC /PA/ 06/30/2014 80,000 80,000 New 694
MARSHALL WACE LLP 06/30/2014 77,585 77,585 New 673
NINE CHAPTERS CAPITAL MANAGEMENT LLC 06/30/2014 77,300 77,300 New 671
A.R.T. ADVISORS, LLC 06/30/2014 70,406 70,406 New 611
TWO SIGMA INVESTMENTS LLC 06/30/2014 69,320 69,320 New 602
CAPSTONE INVESTMENT ADVISORS, LLC 06/30/2014 54,709 54,709 New 475
GSA CAPITAL PARTNERS LLP 06/30/2014 49,352 49,352 New 428
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. 06/30/2014 44,273 44,273 New 384
PDT PARTNERS, LLC 06/30/2014 38,196 38,196 New 332

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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