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Biogen Inc. (BIIB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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201.99+8.81 (+4.56%)
At close: 04:00PM EDT
202.06 +0.07 (+0.03%)
Pre-market: 05:45AM EDT

Major holders

Currency in USD
Breakdown
0.69%% of shares held by all insiders
92.97%% of shares held by institutions
93.62%% of float held by institutions
1,454Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Primecap Management Company16,264,48130 Dec 202311.19%3,285,262,606
Vanguard Group Inc14,407,33030 Dec 20239.91%2,910,136,665
Blackrock Inc.14,246,65830 Dec 20239.80%2,877,682,527
State Street Corporation6,945,66530 Dec 20234.78%1,402,954,911
T. Rowe Price Investment Management, Inc.5,357,32630 Dec 20233.69%1,082,126,308
Wellington Management Group, LLP5,324,39630 Dec 20233.66%1,075,474,777
JP Morgan Chase & Company5,011,31930 Dec 20233.45%1,012,236,352
Geode Capital Management, LLC3,309,31730 Dec 20232.28%668,448,959
Invesco Ltd.1,814,66630 Dec 20231.25%366,544,395
ClearBridge Investments, LLC1,679,30230 Dec 20231.16%339,202,220

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard/Primecap Fund9,162,37130 Dec 20236.30%1,850,707,368
Vanguard Total Stock Market Index Fund4,558,38130 Dec 20233.14%920,747,403
Vanguard Specialized-Health Care Fund4,558,45330 Jan 20243.14%920,761,946
Vanguard 500 Index Fund3,539,20430 Dec 20232.43%714,883,835
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF2,733,97428 Feb 20241.88%552,235,423
Price (T.Rowe) Capital Appreciation Fund2,272,29530 Dec 20231.56%458,980,879
Vanguard Horizon Fund-Capital Opportunity Fund2,232,29730 Dec 20231.54%450,901,683
Fidelity 500 Index Fund1,737,82728 Feb 20241.20%351,023,685
SPDR S&P 500 ETF Trust1,698,93528 Feb 20241.17%343,167,889
Vanguard Mid-Cap Index Fund1,623,67130 Dec 20231.12%327,965,314