IMGN

ImmunoGen, Inc. Institutional Ownership

$7.6
*  
0.19
2.44%
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*Delayed - data as of Feb. 27, 2015  -  Find a broker to begin trading IMGN now
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 78.18%
Total Shares Outstanding (millions) 86
Total Value of Holdings (millions) $524

Active Positions

Holders Shares
Increased Positions 68 6,705,210
Decreased Positions 66 13,661,266
Held Positions 24 46,949,624
Total Institutional Shares 158 67,316,100

New and Sold Out Positions


Holders Shares
New Positions 18 2,063,588
Sold Out Positions 30 12,109,197

66 Decreased Institutional Holders
13,661,266 Decreased 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)
FMR LLC 12/31/2014 9,416,641 (843,600) (8.22) 73,356
NORTHERN TRUST CORP 12/31/2014 968,261 (32,460) (3.24) 7,543
GRANAHAN INVESTMENT MANAGEMENT INC/MA 12/31/2014 413,800 (106,532) (20.47) 3,224
TIAA CREF INVESTMENT MANAGEMENT LLC 12/31/2014 305,215 (29,620) (8.85) 2,378
BLACKROCK INVESTMENT MANAGEMENT, LLC 12/31/2014 234,286 (1,931) (0.82) 1,825
ALLIANCEBERNSTEIN L.P. 12/31/2014 164,734 (2,706) (1.62) 1,283
RENAISSANCE TECHNOLOGIES LLC 12/31/2014 162,840 (207,606) (56.04) 1,269
TWIN FOCUS CAPITAL PARTNERS, LLC 12/31/2014 140,102 (378) (0.27) 1,091
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 12/31/2014 136,000 (9,500) (6.53) 1,059
SMITH ASSET MANAGEMENT GROUP LP 12/31/2014 97,860 (9,410) (8.77) 762
RHUMBLINE ADVISERS 12/31/2014 79,897 (3,145) (3.79) 622
PROSHARE ADVISORS LLC 12/31/2014 75,337 (3,017) (3.85) 587
PARAMETRIC PORTFOLIO ASSOCIATES LLC 12/31/2014 72,847 (20,405) (21.88) 567
NATIONWIDE FUND ADVISORS 12/31/2014 65,685 (35,352) (34.99) 512
AMERICAN INTERNATIONAL GROUP INC 12/31/2014 61,633 (2,435) (3.8) 480

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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