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Biogen Inc. (BIIB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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191.30-0.86 (-0.45%)
As of 09:31AM 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
93.61%% of float held by institutions
1,451Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Primecap Management Company16,264,48130 Dec 202311.19%3,111,395,264
Vanguard Group Inc14,407,33030 Dec 20239.91%2,756,122,272
Blackrock Inc.14,246,65830 Dec 20239.80%2,725,385,718
State Street Corporation6,945,66530 Dec 20234.78%1,328,705,735
T. Rowe Price Investment Management, Inc.5,357,32630 Dec 20233.69%1,024,856,480
Wellington Management Group, LLP5,324,39630 Dec 20233.66%1,018,556,971
JP Morgan Chase & Company5,011,31930 Dec 20233.45%958,665,339
Geode Capital Management, LLC3,309,31730 Dec 20232.28%633,072,352
Invesco Ltd.1,814,66630 Dec 20231.25%347,145,611
ClearBridge Investments, LLC1,679,30230 Dec 20231.16%321,250,477

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard/Primecap Fund9,162,37130 Dec 20236.30%1,752,761,600
Vanguard Total Stock Market Index Fund4,558,38130 Dec 20233.14%872,018,299
Vanguard Specialized-Health Care Fund4,558,45330 Jan 20243.14%872,032,072
Vanguard 500 Index Fund3,539,20430 Dec 20232.43%677,049,736
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF2,733,97428 Feb 20241.88%523,009,234
Price (T.Rowe) Capital Appreciation Fund2,272,29530 Dec 20231.56%434,690,040
Vanguard Horizon Fund-Capital Opportunity Fund2,232,29730 Dec 20231.54%427,038,422
Fidelity 500 Index Fund1,737,82728 Feb 20241.20%332,446,310
SPDR S&P 500 ETF Trust1,698,93528 Feb 20241.17%325,006,270
Vanguard Mid-Cap Index Fund1,623,67130 Dec 20231.12%310,608,267