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BIIB

136.72000 USD
0.36
0.26%
Last update Aug 26, 3:59 PM EDT
Pre-market
Day range
135.22000
136.91000
Previous close
136.36000
Open
135.85001
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Biogen Inc.
136.72
0.36
0.26%

Holders

Fund holders

Name Date reported Shares Value % Held
VANGUARD CHESTER FUNDS-Vanguard PRIMECAP Fund Mar 31, 2025 9.0M 1.2B 6.1%
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund Mar 31, 2025 4.6M 631.5M 3.2%
VANGUARD SPECIALIZED FUNDS-Vanguard Health Care Fund Apr 30, 2025 4.4M 595.5M 3.0%
VANGUARD INDEX FUNDS-Vanguard 500 Index Fund Mar 31, 2025 4.1M 554.5M 2.8%
VANGUARD INDEX FUNDS-Vanguard Mid-Cap Index Fund Mar 31, 2025 3.2M 429.8M 2.2%
Invesco QQQ Trust, Series 1 Jun 30, 2025 3.0M 412.8M 2.1%
VANGUARD HORIZON FUNDS-Vanguard Capital Opportunity Fund Mar 31, 2025 2.3M 319.9M 1.6%
Fidelity Concord Street Trust-Fidelity 500 Index Fund Jun 30, 2025 1.9M 253.2M 1.3%
SPDR S&P 500 ETF TRUST Jun 30, 2025 1.8M 242.5M 1.2%
iShares Trust-iShares Core S&P 500 ETF Jun 30, 2025 1.7M 236.8M 1.2%
Pre-market

Exchange is currently open for pre-market.
Main market opens in 3 hours 8 minutes

06:21
00:00
09:30
16:00
23:59

Trading Hours (Monday - Friday):

Pre-market
04:00 - 09:30
Main market
09:30 - 16:00
Post-market
16:00 - 20:00
All times are displayed in the America/New_York timezone (EDT, UTC-04:00).