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Biogen Inc. (BIIB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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234.64+0.56 (+0.24%)
At close: 04:00PM EST
239.01 +4.37 (+1.86%)
After hours: 07:46PM EST
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
0.68%% of shares held by all insiders
90.87%% of shares held by institutions
91.49%% of float held by institutions
1,455Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Primecap Management Company16,012,56629 Sept 202311.05%3,757,188,476
Blackrock Inc.13,974,58729 Sept 20239.64%3,278,997,085
Vanguard Group Inc12,188,58629 Sept 20238.41%2,859,929,811
State Street Corporation6,865,65429 Sept 20234.74%1,610,957,050
Wellington Management Group, LLP5,374,31029 Sept 20233.71%1,261,028,095
JP Morgan Chase & Company4,985,75229 Sept 20233.44%1,169,856,846
T. Rowe Price Investment Management, Inc.4,754,99129 Sept 20233.28%1,115,711,085
Geode Capital Management, LLC3,236,88729 Sept 20232.23%759,503,163
ClearBridge Investments, LLC1,823,18229 Sept 20231.26%427,791,423
Northern Trust Corporation1,643,03529 Sept 20231.13%385,521,731

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard/Primecap Fund9,016,57129 Sept 20236.22%2,115,648,213
Vanguard Specialized-Health Care Fund4,558,45330 Jul 20233.15%1,069,595,409
Vanguard Total Stock Market Index Fund4,507,60429 Jun 20233.11%1,057,664,199
Vanguard 500 Index Fund3,479,92029 Sept 20232.40%816,528,426
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF2,476,06129 Sept 20231.71%580,982,951
Vanguard Horizon Fund-Capital Opportunity Fund2,190,24729 Sept 20231.51%513,919,554
Fidelity 500 Index Fund1,658,18330 Aug 20231.14%389,076,058
SPDR S&P 500 ETF Trust1,624,71729 Sept 20231.12%381,223,595
iShares Core S&P 500 ETF1,366,49629 Sept 20230.94%320,634,620
Vanguard Fenway Fds-Primecap Core Fund1,264,26729 Sept 20230.87%296,647,608