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Biogen Inc. (BIIB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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270.21+3.64 (+1.37%)
At close: 4:00PM EDT
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
0.68%% of shares held by all insiders
86.82%% of shares held by institutions
87.42%% of float held by institutions
1,550Number 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 Fund9,276,35329 Jun 20216.22%3,212,122,753
Vanguard Specialized-Health Care Fund4,604,93430 Jul 20213.09%1,504,570,085
Vanguard Total Stock Market Index Fund4,252,45329 Jun 20212.85%1,472,496,900
Vanguard 500 Index Fund3,127,19129 Jun 20212.10%1,082,852,427
Vanguard Horizon Fund-Capital Opportunity Fund2,108,48729 Jun 20211.41%730,105,793
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF1,948,53529 Sep 20211.31%551,415,919
SPDR S&P 500 ETF Trust1,583,90930 Aug 20211.06%536,802,599
Fidelity 500 Index Fund1,432,04730 Aug 20210.96%485,335,048
iShares NASDAQ Biotechnology ETF1,219,17229 Sep 20210.82%345,013,484
Legg Mason Clearbridge Aggressive Growth Fd1,204,06230 Aug 20210.81%408,068,652