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Biogen Inc. (BIIB)

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189.74 +0.74 (+0.39%)
As of 2:33 PM EDT. Market Open.

Major Holders

Breakdown
0.17% % of Shares Held by All Insider
92.72% % of Shares Held by Institutions
92.88% % of Float Held by Institutions
1,392 Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Vanguard Group Inc 16.6M Jun 30, 2024 11.40% 3,149,715,018
Primecap Management Company 16.34M Jun 30, 2024 11.22% 3,100,027,993
Blackrock Inc. 14.54M Jun 30, 2024 9.98% 2,758,534,500
State Street Corporation 7.1M Jun 30, 2024 4.87% 1,346,398,494
T. Rowe Price Investment Management, Inc. 5.68M Jun 30, 2024 3.90% 1,077,506,737
Wellington Management Group, LLP 5.17M Jun 30, 2024 3.55% 980,290,030
JP Morgan Chase & Company 4.71M Jun 30, 2024 3.24% 894,615,967
Geode Capital Management, LLC 3.57M Jun 30, 2024 2.45% 676,606,218
Norges Bank Investment Management 2.08M Jun 30, 2024 1.43% 394,421,087
Price (T.Rowe) Associates Inc 2.01M Jun 30, 2024 1.38% 381,645,134

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard/Primecap Fund 9.16M Jun 30, 2024 6.29% 1,737,147,733
Vanguard Total Stock Market Index Fund 4.61M Jun 30, 2024 3.17% 875,374,433
Vanguard Specialized-Health Care Fund 4.56M Jul 31, 2024 3.13% 864,920,897
Vanguard 500 Index Fund 3.74M Jun 30, 2024 2.57% 709,004,324
Vanguard Mid-Cap Index Fund 3.12M Jun 30, 2024 2.14% 591,760,939
Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF 2.83M Sep 30, 2024 1.94% 536,125,754
Vanguard Horizon Fund-Capital Opportunity Fund 2.34M Jun 30, 2024 1.61% 444,899,898
Price (T.Rowe) Capital Appreciation Fund 1.93M Jun 30, 2024 1.32% 365,966,158
Fidelity 500 Index Fund 1.79M Aug 31, 2024 1.23% 340,342,150
SPDR S&P 500 ETF Trust 1.76M Sep 30, 2024 1.21% 334,646,914

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