IMGN - ImmunoGen, Inc.

NasdaqGS - NasdaqGS Real Time Price. Currency in USD

Major Holders

Currency in USD
Breakdown
1.16%% of Shares Held by All Insider
75.28%% of Shares Held by Institutions
76.17%% of Float Held by Institutions
248Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Redmile Group, LLC14,616,560Sep 29, 20199.76%35,372,075
Vanguard Group, Inc. (The)13,939,556Sep 29, 20199.31%33,733,725
Blackrock Inc.12,181,989Dec 30, 20198.14%62,189,053
Renaissance Technologies, LLC10,707,139Dec 30, 20197.15%54,659,944
ClearBridge Investments, LLC10,364,463Sep 29, 20196.92%25,082,000
State Street Corporation5,346,426Dec 30, 20193.57%27,293,504
Primecap Management Company3,693,800Sep 29, 20192.47%8,938,996
Morgan Stanley2,745,852Sep 29, 20191.83%6,644,961
Geode Capital Management, LLC2,420,015Dec 30, 20191.62%12,354,176
PanAgora Asset Management, Inc.2,104,217Dec 30, 20191.41%10,742,027

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard Total Stock Market Index Fund3,290,639Jun 29, 20192.20%7,140,686
iShares Russell 2000 ETF3,157,734Oct 30, 20192.11%7,515,406
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF3,016,077Oct 30, 20192.01%7,178,263
Primecap Odyssey Growth Fund2,400,000Sep 29, 20191.60%5,808,000
Vanguard Strategic Equity Fund2,379,833Sep 29, 20191.59%5,759,195
Vanguard Extended Market Index Fund2,090,792Jun 29, 20191.40%4,537,018
Vanguard Explorer Fund, Inc.1,861,938Oct 30, 20191.24%4,431,412
Vanguard Horizon Fund-Strategic Small-Cap Equity Fund1,448,576Sep 29, 20190.97%3,505,553
iShares NASDAQ Biotechnology ETF1,423,182Oct 30, 20190.95%3,387,173
Vanguard Horizon Fund-Capital Opportunity Portfolio810,800Sep 29, 20190.54%1,962,136