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Biogen Inc. (BIIB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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202.04+0.05 (+0.02%)
As of 09:33AM EDT. Market open.
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
0.69%% of shares held by all insiders
92.97%% of shares held by institutions
93.62%% of float held by institutions
1,454Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Primecap Management Company16,264,48130 Dec 202311.19%3,286,075,632
Vanguard Group Inc14,407,33030 Dec 20239.91%2,910,856,856
Blackrock Inc.14,246,65830 Dec 20239.80%2,878,394,686
State Street Corporation6,945,66530 Dec 20234.78%1,403,302,109
T. Rowe Price Investment Management, Inc.5,357,32630 Dec 20233.69%1,082,394,109
Wellington Management Group, LLP5,324,39630 Dec 20233.66%1,075,740,932
JP Morgan Chase & Company5,011,31930 Dec 20233.45%1,012,486,857
Geode Capital Management, LLC3,309,31730 Dec 20232.28%668,614,384
Invesco Ltd.1,814,66630 Dec 20231.25%366,635,106
ClearBridge Investments, LLC1,679,30230 Dec 20231.16%339,286,164

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard/Primecap Fund9,162,37130 Dec 20236.30%1,851,165,375
Vanguard Total Stock Market Index Fund4,558,38130 Dec 20233.14%920,975,266
Vanguard Specialized-Health Care Fund4,558,45330 Jan 20243.14%920,989,813
Vanguard 500 Index Fund3,539,20430 Dec 20232.43%715,060,752
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF2,733,97428 Feb 20241.88%552,372,088
Price (T.Rowe) Capital Appreciation Fund2,272,29530 Dec 20231.56%459,094,466
Vanguard Horizon Fund-Capital Opportunity Fund2,232,29730 Dec 20231.54%451,013,270
Fidelity 500 Index Fund1,737,82728 Feb 20241.20%351,110,555
SPDR S&P 500 ETF Trust1,698,93528 Feb 20241.17%343,252,815
Vanguard Mid-Cap Index Fund1,623,67130 Dec 20231.12%328,046,477