MACK

Merrimack Pharmaceuticals, Inc. Ownership Summary

$6.8
*  
0.05
0.73%
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*Delayed - data as of Jul. 11, 2014  -  Find a broker to begin trading MACK now
Exchange: NASDAQ
Industry: Health Care
Community Rating:
 
 
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HOLDINGS
Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Institutional Ownership

Shares Outstanding

Shares Outstanding


Institutional Summary

Total Number of Holders 110
% of Shares Outstanding 51.57%
Total Shares Held 53,330,849
Total Value of Holdings 362,649,773
Net Activity 2,210,930

Top 5 Holders

FMR LLC 15,487,768
JENNISON ASSOCIATES LLC 5,839,260
VANGUARD GROUP INC 5,270,626
STATE STREET CORP 4,641,622
BLACKROCK FUND ADVISORS 3,658,982
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Insider Trades

Buy/Sell Total Trades

Buys / Sells /Total Trades


Insider Trades Summary

Trade Type Last 3 Mo. Last 12 Mo.
Number of Buys 19 37
Number of Sells 3 3
Total Insider Trades 22 40
Net Activity 30,992 567,392

Top 5 Insider Trades

CROCKER GARY L 207,000
NIELSEN ULRIK B. (105,000)
NIELSEN ULRIK B. 75,000
PORTER MICHAEL E 70,000
CROCKER GARY L 64,800
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MACK Ownership Overview:

Merrimack Pharmaceuticals, Inc. (MACK) Ownership Summary provides a snapshot of institutional holdings and activity for a particular stock. The institutional holdings summary data encompasses the holdings and change from most recent 13F filings. The insider filer data counts the number of monthly positions over 3 month and 12 month time spans. Summary data is calculated daily, using the most up to date information available.


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