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Biogen Inc. (BIIB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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281.19-4.07 (-1.43%)
At close: 4:00PM EDT
281.30 +0.11 (+0.04%)
After hours: 07:54PM EDT
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
0.68%% of shares held by all insiders
86.31%% of shares held by institutions
86.90%% of float held by institutions
1,565Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Primecap Management Company16,458,50629 Jun 202111.04%5,699,086,872
Blackrock Inc.13,206,59129 Jun 20218.86%4,573,046,265
Vanguard Group, Inc. (The)11,753,33329 Jun 20217.89%4,069,826,617
State Street Corporation6,680,04029 Jun 20214.48%2,313,097,450
Wellington Management Group, LLP5,601,86129 Jun 20213.76%1,939,756,408
JP Morgan Chase & Company5,354,76629 Jun 20213.59%1,854,194,822
ClearBridge Investments, LLC3,565,11229 Jun 20212.39%1,234,491,332
Geode Capital Management, LLC2,893,75029 Jun 20211.94%1,002,018,812
Northern Trust Corporation2,067,53929 Jun 20211.39%715,926,729
Norges Bank Investment Management1,903,65330 Dec 20201.28%466,128,473

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard/Primecap Fund9,337,19930 Mar 20216.27%2,612,081,420
Vanguard Total Stock Market Index Fund4,293,48430 Mar 20212.88%1,201,102,149
Vanguard Specialized-Health Care Fund4,211,41429 Apr 20212.83%1,125,837,304
Vanguard 500 Index Fund3,119,48130 Mar 20212.09%872,674,809
Vanguard Horizon Fund-Capital Opportunity Fund2,141,58730 Mar 20211.44%599,108,963
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF1,951,03829 Jun 20211.31%675,585,928
SPDR S&P 500 ETF Trust1,561,21129 Jun 20211.05%540,600,532
Fidelity 500 Index Fund1,419,43429 Jun 20210.95%491,507,411
Vanguard Institutional Index Fund-Institutional Index Fund1,217,24030 Mar 20210.82%340,522,890
Legg Mason Clearbridge Aggressive Growth Fd1,214,72729 Jun 20210.82%420,623,518