IMGN - ImmunoGen, Inc.

NasdaqGS - NasdaqGS Real Time Price. Currency in USD

Major Holders

Currency in USD
Breakdown
1.70%% of Shares Held by All Insider
85.65%% of Shares Held by Institutions
87.13%% of Float Held by Institutions
276Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Redmile Group, LLC12,315,942Jun 29, 20188.26%130,056,352
Blackrock Inc.10,436,350Jun 29, 20187.00%110,207,860
Vanguard Group, Inc. (The)9,767,517Jun 29, 20186.55%103,144,983
Capital Research Global Investors9,431,000Jun 29, 20186.33%99,591,363
ClearBridge Investments, LLC9,165,030Jun 29, 20186.15%96,782,720
State Street Corporation8,996,007Jun 29, 20186.04%94,997,837
FMR, LLC8,704,234Jun 29, 20185.84%91,916,714
Renaissance Technologies, LLC6,525,300Jun 29, 20184.38%68,907,170
Primecap Management Company3,823,300Jun 29, 20182.57%40,374,049
Morgan Stanley3,525,775Jun 29, 20182.37%37,232,185

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF6,477,764Jun 29, 20184.35%68,405,190
Fidelity Select Portfolios - Biotechnology5,392,373Jun 29, 20183.62%56,943,461
Vanguard Total Stock Market Index Fund3,207,361Dec 30, 20172.15%21,425,170
iShares Russell 2000 ETF2,727,007Jun 29, 20181.83%28,797,195
Fidelity Advisor Biotechnology Fund2,590,259Jun 29, 20181.74%27,353,136
Primecap Odyssey Growth Fund2,400,000Jun 29, 20181.61%25,344,001
Vanguard Explorer Fund, Inc.1,666,879Jan 30, 20181.12%13,985,115
iShares NASDAQ Biotechnology ETF1,546,580Jun 29, 20181.04%16,331,885
Vanguard Horizon Fund-Strategic Small-Cap Equity Fund1,420,028Dec 30, 20170.95%9,485,786
Vanguard Extended Market Index Fund1,285,526Dec 30, 20170.86%8,587,313