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Biogen Inc. (BIIB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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216.13+1.31 (+0.61%)
As of 11:02AM EDT. Market open.
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
0.16%% of shares held by all insiders
92.96%% of shares held by institutions
93.11%% of float held by institutions
1,447Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Primecap Management Company16,264,48130 Dec 202311.17%3,515,242,357
Vanguard Group Inc14,407,33030 Dec 20239.90%3,113,856,303
Blackrock Inc.14,246,65830 Dec 20239.79%3,079,130,263
State Street Corporation6,945,66530 Dec 20234.77%1,501,166,610
T. Rowe Price Investment Management, Inc.5,357,32630 Dec 20233.68%1,157,878,894
Wellington Management Group, LLP5,324,39630 Dec 20233.66%1,150,761,733
JP Morgan Chase & Company5,011,31930 Dec 20233.44%1,083,096,399
Geode Capital Management, LLC3,309,31730 Dec 20232.27%715,242,699
Invesco Ltd.1,814,66630 Dec 20231.25%392,203,771
Van Eck Associates Corporation1,737,34030 Mar 20241.19%375,491,302

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard/Primecap Fund9,162,37130 Dec 20236.29%1,980,263,288
Vanguard Total Stock Market Index Fund4,558,38130 Dec 20233.13%985,202,907
Vanguard Specialized-Health Care Fund4,558,45330 Jan 20243.13%985,218,469
Vanguard 500 Index Fund3,539,20430 Dec 20232.43%764,928,177
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF2,733,97428 Feb 20241.88%590,893,813
Price (T.Rowe) Capital Appreciation Fund2,272,29530 Dec 20231.56%491,111,129
Vanguard Horizon Fund-Capital Opportunity Fund2,232,29730 Dec 20231.53%482,466,361
SPDR S&P 500 ETF Trust1,746,66530 Mar 20241.20%377,506,714
Fidelity 500 Index Fund1,737,82728 Feb 20241.19%375,596,557
Vanguard Mid-Cap Index Fund1,623,67130 Dec 20231.12%350,924,021