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Biogen Inc. (BIIB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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217.51+4.00 (+1.87%)
At close: 04:00PM EDT
219.00 +1.49 (+0.69%)
After hours: 07:53PM EDT
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
0.16%% of shares held by all insiders
93.09%% of shares held by institutions
93.24%% of float held by institutions
1,445Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Primecap Management Company16,264,48130 Dec 202311.17%3,537,687,172
Vanguard Group Inc14,407,33030 Dec 20239.90%3,133,738,269
Blackrock Inc.14,246,65830 Dec 20239.79%3,098,790,503
State Street Corporation6,945,66530 Dec 20234.77%1,510,751,555
T. Rowe Price Investment Management, Inc.5,357,32630 Dec 20233.68%1,165,271,948
Wellington Management Group, LLP5,324,39630 Dec 20233.66%1,158,109,344
JP Morgan Chase & Company5,011,31930 Dec 20233.44%1,090,011,968
Geode Capital Management, LLC3,309,31730 Dec 20232.27%719,809,522
Invesco Ltd.1,814,66630 Dec 20231.25%394,707,991
Van Eck Associates Corporation1,737,34030 Mar 20241.19%377,888,813

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard/Primecap Fund9,162,37130 Dec 20236.29%1,992,907,265
Vanguard Total Stock Market Index Fund4,558,38130 Dec 20233.13%991,493,426
Vanguard Specialized-Health Care Fund4,558,45330 Jan 20243.13%991,509,086
Vanguard 500 Index Fund3,539,20430 Dec 20232.43%769,812,242
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF2,730,98430 Mar 20241.88%594,016,314
Price (T.Rowe) Capital Appreciation Fund2,272,29530 Dec 20231.56%494,246,872
Vanguard Horizon Fund-Capital Opportunity Fund2,232,29730 Dec 20231.53%485,546,908
SPDR S&P 500 ETF Trust1,746,66530 Mar 20241.20%379,917,094
Fidelity 500 Index Fund1,751,18930 Mar 20241.20%380,901,109
Vanguard Mid-Cap Index Fund1,623,67130 Dec 20231.12%353,164,670