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Biogen Inc. (BIIB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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220.52-5.39 (-2.39%)
At close: 04:00PM EST
221.04 +0.52 (+0.24%)
After hours: 07:50PM EST

Major holders

Currency in USD
Breakdown
0.66%% of shares held by all insiders
86.46%% of shares held by institutions
87.04%% of float held by institutions
1,485Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Primecap Management Company16,258,91529 Sep 202111.07%4,601,110,355
Blackrock Inc.13,896,25329 Sep 20219.46%3,932,500,636
Vanguard Group, Inc. (The)11,691,87629 Sep 20217.96%3,308,683,989
State Street Corporation6,903,53629 Sep 20214.70%1,953,631,652
JP Morgan Chase & Company5,605,29729 Sep 20213.82%1,586,242,998
Wellington Management Group, LLP5,577,72029 Sep 20213.80%1,578,438,982
ClearBridge Investments, LLC3,363,92729 Sep 20212.29%951,957,701
Geode Capital Management, LLC2,775,26629 Sep 20211.89%785,372,525
Norges Bank Investment Management1,903,65330 Dec 20201.30%466,128,473
Price (T.Rowe) Associates Inc1,784,13629 Sep 20211.21%504,892,646

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard/Primecap Fund9,169,55329 Sep 20216.24%2,594,891,803
Vanguard Specialized-Health Care Fund4,964,32730 Oct 20213.38%1,323,886,724
Vanguard Total Stock Market Index Fund4,210,58329 Sep 20212.87%1,191,552,883
Vanguard 500 Index Fund3,130,13129 Sep 20212.13%885,795,771
Vanguard Horizon Fund-Capital Opportunity Fund2,062,58729 Sep 20211.40%583,691,495
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF2,027,22729 Nov 20211.38%477,898,492
SPDR S&P 500 ETF Trust1,598,37630 Oct 20211.09%426,254,911
Fidelity 500 Index Fund1,454,24529 Nov 20210.99%342,823,716
iShares NASDAQ Biotechnology ETF1,208,86530 Oct 20210.82%322,380,118
iShares Core S&P 500 ETF1,207,80430 Oct 20210.82%322,097,170