Biogen Idec Inc (NASDAQ:BIIB)

Data as of Dec 19
 +6.97 / +1.97%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of BIIB through the 93.07% 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 September 2014, these large investors purchased a net $196.2 thousand shares.
Mutual fund holders57.61%
Other institutional35.46%
Individual stakeholders1.12%

Largest Quarterly Institutional

Latest Institutional Activity

9/30/2014T. ROWE PRICE ASSOCIATES, INC.  Bought 596.4 Thousand shares of Biogen
9/30/2014WINSLOW CAPITAL MANAGEMENT LLC  Bought 448.2 Thousand shares of Biogen
9/30/2014BT INVESTMENT MANAGEMENT LTD. (I...  Bought 422.3 Thousand shares of Biogen

Top 10 Owners of Biogen

Total value ($)Shares
bought / sold
Fidelity Management & Research Co...8.02%18,931,4145,825,006,774-2,135,525-10.14%
PRIMECAP Management Co.7.29%17,216,6315,297,385,192-41,680-0.24%
T. Rowe Price Associates, Inc.5.42%12,791,0523,935,678,790+596,411+4.89%
The Vanguard Group, Inc.5.22%12,335,2343,795,428,149+248,937+2.06%
BlackRock Fund Advisors4.30%10,145,0883,121,542,127+110,490+1.10%
SSgA Funds Management, Inc.4.18%9,865,3723,035,476,311+224,155+2.32%
ClearBridge Investments LLC3.34%7,889,7632,427,601,177-4,111-0.05%
Jennison Associates LLC2.46%5,807,6851,786,966,598-473,199-7.53%
Capital Research & Management Co....2.31%5,456,6001,678,941,254-2,741,950-33.44%
JPMorgan Investment Management, I...2.15%5,065,4481,558,587,695-15,855-0.31%

Top 10 Mutual Funds Holding Biogen

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Vanguard PRIMECAP Fund4.22%9,973,6953,068,806,21500.00%
Fidelity Contrafund3.56%8,408,5412,587,223,980+134,442+1.62%
Vanguard Total Stock Market Index...1.67%3,935,0311,210,769,688+13,003+0.33%
American Funds Growth Fund of Ame...1.46%3,452,2001,062,207,418+150,000+4.54%
ClearBridge Aggressive Growth Fun...1.39%3,292,3041,013,009,01800.00%
T Rowe Price Growth Stock Fund1.18%2,781,300855,778,197+61,300+2.25%
Vanguard Capital Opportunity Fund1.17%2,765,438850,897,61800.00%
SPDR S&P 500 ETF1.08%2,548,202784,056,273+59,413+2.39%
Vanguard 500 Index Fund1.07%2,523,537776,467,100+31,799+1.28%
Vanguard Institutional Index Fund1.01%2,396,000737,225,240+3,438+0.14%

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