IMMUNOGEN INC

(NASDAQ: IMGN)
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13.99Down-0.22-1.55%Today's Close  |  13.99 unch unch After hours
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OWNERSHIP INFORMATION
Shares Outstanding 85.67 Mil
Institutional Ownership (%) 93.64
Top 10 Institutions (%) 67.23
Mutual Fund Ownership (%) 63.87
5%/Insider Ownership (%) 0.99
Float (%) 70
OWNERSHIP ACTIVITY
DESCRIPTION # OF HOLDERS SHARES
Total Positions 147 80,197,786
New Positions 27 3,951,460
Soldout Positions 26 733,318
Net Position Change 120 3,255,304
Buyers 53 5,717,664
Sellers 67 -2,462,360
VIEW:
INSTITUTION NAME SHS HELD SHS CHG %CHG $CHG* %OUT %PORT RPT DATE
PRIMECAP Management Company 12,675,427 73,700 0.58 1,081,182 14.8 0.22 12-31-13
Fidelity Management and Research Company 12,175,738 -579,400 -4.54 -8,499,794 14.22 0.03 12-31-13
ClearBridge Advisors, LLC 8,777,160 1,626,020 22.74 23,853,725 10.25 0.16 12-31-13
Vanguard Group, Inc. 5,041,738 210,012 4.35 3,080,905 5.89 0.01 12-31-13
Sectoral Asset Management Inc 3,513,282 -139,611 -3.82 -2,048,099 4.1 2.22 12-31-13
Bellevue Asset Management AG 3,275,816 3,275,816 NA 55,736,798 3.84 2.43 09-30-13
BB Biotech AG 3,225,816 -50,000 -1.53 -733,504 3.77 2.53 12-31-13
Wellington Management Company, LLP 3,180,697 -176,820 -5.27 -2,593,959 3.71 0.01 12-31-13
BlackRock Fund Advisors 3,096,905 -49,722 -1.58 -729,428 3.62 0.01 12-31-13
First Trust Advisors L.P. 2,594,948 465,028 21.83 6,821,981 3.03 0.17 12-31-13
State Street Corp 2,517,764 -117,555 -4.46 -1,724,597 2.94 0 12-31-13
NORGES BANK 2,372,940 1,966,335 483.6 28,846,110 2.77 0.02 12-31-13
Artal Group S A 1,650,000 0 0 0 1.93 0.87 12-31-13
Northern Trust Investments, N.A. 1,226,683 23,656 1.97 347,025 1.43 0.01 12-31-13
Legg Mason Investments Europe Ltd 1,009,290 0 0 0 1.18 0.83 02-28-14
  • *Category Headings:
  • Shs Held - shares held at report date
  • Shs Chg - position change within reporting period
  • %Chg - % change
  • $Chg - market value of the position change
  • %Out - % of shares outstanding
  • %Port - % Portfolio
  • Rpt Date - report date
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