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Biogen Inc. (BIIB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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208.90+6.44 (+3.18%)
At close: 04:00PM EDT
208.50 -0.40 (-0.19%)
After hours: 07:51PM EDT
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
0.69%% of shares held by all insiders
93.06%% of shares held by institutions
93.70%% of float held by institutions
1,452Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Primecap Management Company16,264,48130 Dec 202311.19%3,397,649,981
Vanguard Group Inc14,407,33030 Dec 20239.91%3,009,691,149
Blackrock Inc.14,246,65830 Dec 20239.80%2,976,126,769
State Street Corporation6,945,66530 Dec 20234.78%1,450,949,376
T. Rowe Price Investment Management, Inc.5,357,32630 Dec 20233.69%1,119,145,368
Wellington Management Group, LLP5,324,39630 Dec 20233.66%1,112,266,291
JP Morgan Chase & Company5,011,31930 Dec 20233.45%1,046,864,508
Geode Capital Management, LLC3,309,31730 Dec 20232.28%691,316,301
Invesco Ltd.1,814,66630 Dec 20231.25%379,083,716
ClearBridge Investments, LLC1,679,30230 Dec 20231.16%350,806,177

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard/Primecap Fund9,162,37130 Dec 20236.30%1,914,019,245
Vanguard Total Stock Market Index Fund4,558,38130 Dec 20233.14%952,245,763
Vanguard Specialized-Health Care Fund4,558,45330 Jan 20243.14%952,260,803
Vanguard 500 Index Fund3,539,20430 Dec 20232.43%739,339,693
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF2,733,97428 Feb 20241.88%571,127,151
Price (T.Rowe) Capital Appreciation Fund2,272,29530 Dec 20231.56%474,682,411
Vanguard Horizon Fund-Capital Opportunity Fund2,232,29730 Dec 20231.54%466,326,829
Fidelity 500 Index Fund1,737,82728 Feb 20241.20%363,032,049
SPDR S&P 500 ETF Trust1,698,93528 Feb 20241.17%354,907,511
Vanguard Mid-Cap Index Fund1,623,67130 Dec 20231.12%339,184,861