MACK

Merrimack Pharmaceuticals, Inc. Institutional Ownership

$10.43
*  
0.34
3.37%
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*Delayed - data as of Aug. 27, 2015  -  Find a broker to begin trading MACK now
Exchange: NASDAQ
Industry: Health Care
Community Rating:
View:    MACK Pre-Market
 
 
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary


Institutional Ownership 67.91%
Total Shares Outstanding (millions) 111
Total Value of Holdings (millions) $763

Active Positions

Holders Shares
Increased Positions 86 9,207,146
Decreased Positions 55 2,725,978
Held Positions 32 63,727,168
Total Institutional Shares 173 75,660,292

New and Sold Out Positions


Holders Shares
New Positions 21 1,128,151
Sold Out Positions 19 583,853

21 New Institutional Holders
1,128,151 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)
MARSHALL WACE LLP 06/30/2015 494,325 494,325 New 4,988
CANDRIAM LUXEMBOURG S.C.A. 06/30/2015 195,000 195,000 New 1,968
COLUMBIA CAPITAL LLC 12/31/2014 117,702 117,702 New 1,188
ALLIANZ ASSET MANAGEMENT AG 06/30/2015 96,800 96,800 New 977
MARINER INVESTMENT GROUP LLC 06/30/2015 57,090 57,090 New 576
SILVERCREST ASSET MANAGEMENT GROUP LLC 06/30/2015 29,011 29,011 New 293
KCG HOLDINGS, INC. 06/30/2015 22,433 22,433 New 226
RENAISSANCE TECHNOLOGIES LLC 06/30/2015 17,113 17,113 New 173
TRADEWORX INC. 09/30/2014 15,428 15,428 New 156
PANAGORA ASSET MANAGEMENT INC 06/30/2015 14,963 14,963 New 151
GROUP ONE TRADING, L.P. 06/30/2015 13,603 13,603 New 137
QUANTITATIVE INVESTMENT MANAGEMENT, LLC 06/30/2015 13,500 13,500 New 136
HRT FINANCIAL LLC 06/30/2015 11,553 11,553 New 117
AMALGAMATED BANK 06/30/2015 11,382 11,382 New 115
LAZARD ASSET MANAGEMENT LLC 06/30/2015 6,928 6,928 New 70

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