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MACK

Merrimack Pharmaceuticals, Inc. Institutional Ownership

$4.93
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0.01
0.2%
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*Delayed - data as of Jan. 17, 2019 9:41 ET  -  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 as reported in the most recent 13F filings


Institutional Ownership 46.94%
Total Shares Outstanding (millions) 13
Total Value of Holdings (millions) $31

Active Positions

Holders Shares
Increased Positions 21 702,735
Decreased Positions 36 782,692
Held Positions 23 4,777,714
Total Institutional Shares 80 6,263,141

New and Sold Out Positions


Holders Shares
New Positions 3 96,574
Sold Out Positions 17 275,239

80 Institutional Holders
6,263,141 Total Shares Held


Click on the column header links to resort ascending (▲) or descending (▼).


Owner Name Date Shares Held Change (Shares) Change (%) Value (in 1,000s)
BVF INC/IL 09/30/2018 1,110,588 0 0.00 5,486
NEWTYN MANAGEMENT, LLC 09/30/2018 675,000 41,703 6.59 3,335
DIMENSIONAL FUND ADVISORS LP 09/30/2018 573,514 105,137 22.45 2,833
RUBRIC CAPITAL MANAGEMENT LP 09/30/2018 554,338 78,174 16.42 2,738
VANGUARD GROUP INC 09/30/2018 546,632 (6,220) (1.13) 2,700
TIAA CREF INVESTMENT MANAGEMENT LLC 09/30/2018 402,457 0 0.00 1,988
CLEARLINE CAPITAL LP 09/30/2018 320,855 261,524 440.79 1,585
WITTENBERG INVESTMENT MANAGEMENT, INC. 09/30/2018 254,752 1,000 .39 1,258
BLACKROCK INC. 09/30/2018 254,218 1,624 .64 1,256
CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD. 09/30/2018 171,574 (3,200) (1.83) 848
MILLENNIUM MANAGEMENT LLC 09/30/2018 133,650 (37,256) (21.8) 660
J. GOLDMAN & CO LP 09/30/2018 100,000 0 0.00 494
GEODE CAPITAL MANAGEMENT, LLC 09/30/2018 83,213 872 1.06 411
CANNELL PETER B & CO INC 09/30/2018 75,367 0 0.00 372
GOLDMAN SACHS GROUP INC 09/30/2018 72,684 (63,557) (46.65) 359

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