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ImmunoGen Inc (NASDAQ:IMGN)

Delayed Data
As of Aug 28
 0.00 / 0.00%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of IMGN through the 92.76% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Biotechnology industry. Last, during the quarter ended June 2015, these large investors purchased a net $2.9 million shares.
Mutual fund holders54.61%
Other institutional38.15%
Individual stakeholders1.15%

Largest Quarterly Institutional

Latest Institutional Activity

6/30/2015MILLENNIUM MANAGEMENT LLC  Bought 3.0 Million shares of ImmunoGen Inc
6/30/2015INVESCO POWERSHARES CAPITAL MANA...  Bought 1.7 Million shares of ImmunoGen Inc
6/30/2015BAKER BROS. ADVISORS LP  Bought 1.3 Million shares of ImmunoGen Inc

Top 10 Owners of ImmunoGen Inc

Total value ($)Shares
bought / sold
ClearBridge Investments LLC17.01%14,655,889264,099,120+204,159+1.41%
PRIMECAP Management Co.14.93%12,867,483231,872,044+258,333+2.05%
Fidelity Management & Research Co...10.40%8,959,497161,450,136-1,900,481-17.50%
The Vanguard Group, Inc.6.64%5,724,157103,149,309+145,466+2.61%
BlackRock Fund Advisors6.34%5,467,77898,529,360-240,580-4.21%
Millennium Management LLC4.61%3,968,77271,517,271+3,029,108+322.36%
SSgA Funds Management, Inc.3.79%3,269,70358,920,048-960,879-22.71%
Baker Bros. Advisors LP2.69%2,320,42441,814,040+1,320,928+132.16%
Invesco PowerShares Capital Manag...1.92%1,650,72829,746,119+1,650,728--
Norges Bank Investment Management1.72%1,481,15326,690,377-891,787-37.58%

Top 10 Mutual Funds Holding ImmunoGen Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
PRIMECAP Odyssey Growth Fund7.60%6,550,854118,046,38900.00%
PRIMECAP Odyssey Aggressive Growt...4.37%3,769,81767,932,10200.00%
Fidelity Select Biotechnology Por...4.07%3,507,78563,210,286+1,903,777+118.69%
BB Biotech AG3.30%2,840,81651,191,504-400,000-12.34%
Fidelity Growth Company Fund2.95%2,543,32045,830,626-591,000-18.86%
SPDR S&P Biotech ETF2.25%1,936,06834,887,945+132,434+7.34%
PowerShares Dynamic Biotechnology...1.93%1,661,14529,933,833+17,126+1.04%
Vanguard Small Cap Index Fund1.91%1,643,78129,620,934+11,724+0.72%
Legg Mason Global Funds Plc - Cle...1.75%1,509,29027,197,40600.00%
Vanguard Total Stock Market Index...1.74%1,501,71327,060,868-3,980-0.26%