IMGN - ImmunoGen, Inc.

NasdaqGS - NasdaqGS Real Time Price. Currency in USD

Major Holders

Currency in USD
Breakdown
1.37%% of Shares Held by All Insider
81.24%% of Shares Held by Institutions
82.37%% of Float Held by Institutions
260Number of Institutions Holding Shares
Direct Holders (Forms 3 and 4)
NameSharesDate Reported
ENYEDY MARK J600,100Feb 20, 2017
GREGORY RICHARD J.276,481Feb 20, 2017
JOHNSTON DAVID BRANNON201,750Feb 20, 2017
JUNIUS DANIEL M196,700Jun 1, 2016
BERKENBLIT ANNA161,800Sep 12, 2017
LAMBERT JOHN120,521Nov 1, 2016
RYLL THOMAS106,600Mar 28, 2017
WINGROVE THERESA102,050Feb 20, 2017
WILLIAMS PETER J.50,620Feb 22, 2017
GOLDBERG MARK ALAN23,800Dec 14, 2016

Top Institutional Holders

HolderSharesDate Reported% OutValue
ClearBridge Investments, LLC11,071,365Dec 30, 20178.37%73,956,716
Redmile Group, LLC10,906,962Dec 30, 20178.25%72,858,504
Vanguard Group, Inc. (The)9,655,527Dec 30, 20177.30%64,498,918
Blackrock Inc.8,470,097Dec 30, 20176.40%56,580,246
State Street Corporation8,345,171Dec 30, 20176.31%55,745,740
FMR, LLC5,605,285Dec 30, 20174.24%37,443,302
Morgan Stanley3,896,710Dec 30, 20172.95%26,030,022
Primecap Management Company3,823,300Dec 30, 20172.89%25,539,643
Franklin Resources, Inc3,006,600Dec 30, 20172.27%20,084,087
Millennium Management LLC2,941,487Dec 30, 20172.22%19,649,132

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF4,614,246Nov 29, 20173.49%27,224,051
Fidelity Select Portfolios - Biotechnology3,576,147Oct 30, 20172.70%20,634,368
Primecap Odyssey Growth Fund2,400,000Dec 30, 20171.81%16,031,999
Vanguard Total Stock Market Index Fund2,188,806Jun 29, 20171.66%14,314,791
Fidelity Advisor Biotechnology Fund2,029,138Oct 30, 20171.53%11,708,126
iShares Russell 2000 ETF1,760,888Oct 30, 20171.33%10,160,323
Vanguard Extended Market Index Fund1,152,373Jun 29, 20170.87%7,536,519
Vanguard Horizon Fund-Capital Opportunity Portfolio957,500Jun 29, 20170.72%6,262,049
Delaware Group Equity Fds IV-Delaware Healthcare Fund850,000Jun 29, 20170.64%5,558,999
iShares Russell 2000 Growth ETF717,317Oct 30, 20170.54%4,138,919