ImmunoGen, Inc. Institutional Ownership

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Exchange: NASDAQ
Industry: Health Care
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary

Institutional Ownership 86.02%
Total Shares Outstanding (millions) 86
Total Value of Holdings (millions) $666

Active Positions

Holders Shares
Increased Positions 83 9,254,229
Decreased Positions 53 4,552,621
Held Positions 25 60,325,953
Total Institutional Shares 161 74,132,803

New and Sold Out Positions

Holders Shares
New Positions 29 2,344,997
Sold Out Positions 19 1,835,337

53 Decreased Institutional Holders
4,552,621 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)
PRINCIPAL FINANCIAL GROUP INC 03/31/2015 0 (15,975) Sold Out
QUANTBOT TECHNOLOGIES LP 03/31/2015 0 (300) Sold Out
RENAISSANCE TECHNOLOGIES LLC 03/31/2015 0 (162,840) Sold Out
SG AMERICAS SECURITIES, LLC 03/31/2015 0 (20,199) Sold Out
SPARK INVESTMENT MANAGEMENT LLC 03/31/2015 0 (116,500) Sold Out
US BANCORP \DE\ 03/31/2015 0 (200) Sold Out
VANTAGE INVESTMENT ADVISORS, LLC 03/31/2015 0 (3,000) Sold Out
VIRTU FINANCIAL LLC 12/31/2014 0 (13,660) Sold Out

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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