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Biogen Inc. (BIIB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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195.06-1.74 (-0.88%)
As of 09:40AM EDT. Market open.
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
0.69%% of shares held by all insiders
92.98%% of shares held by institutions
93.62%% of float held by institutions
1,457Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Primecap Management Company16,264,48130 Dec 202311.19%3,172,549,624
Vanguard Group Inc14,407,33030 Dec 20239.91%2,810,293,754
Blackrock Inc.14,246,65830 Dec 20239.80%2,778,953,074
State Street Corporation6,945,66530 Dec 20234.78%1,354,821,397
T. Rowe Price Investment Management, Inc.5,357,32630 Dec 20233.69%1,044,999,996
Wellington Management Group, LLP5,324,39630 Dec 20233.66%1,038,576,670
JP Morgan Chase & Company5,011,31930 Dec 20233.45%977,507,871
Geode Capital Management, LLC3,309,31730 Dec 20232.28%645,515,365
Invesco Ltd.1,814,66630 Dec 20231.25%353,968,745
ClearBridge Investments, LLC1,679,30230 Dec 20231.16%327,564,644

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard/Primecap Fund9,162,37130 Dec 20236.30%1,787,212,064
Vanguard Total Stock Market Index Fund4,558,38130 Dec 20233.14%889,157,786
Vanguard Specialized-Health Care Fund4,558,45330 Jan 20243.14%889,171,831
Vanguard 500 Index Fund3,539,20430 Dec 20232.43%690,357,123
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF2,733,97428 Feb 20241.88%533,288,961
Price (T.Rowe) Capital Appreciation Fund2,272,29530 Dec 20231.56%443,233,857
Vanguard Horizon Fund-Capital Opportunity Fund2,232,29730 Dec 20231.54%435,431,847
Fidelity 500 Index Fund1,737,82728 Feb 20241.20%338,980,530
SPDR S&P 500 ETF Trust1,698,93528 Feb 20241.17%331,394,256
Vanguard Mid-Cap Index Fund1,623,67130 Dec 20231.12%316,713,261