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United States
opens in 1d 19h 43m
Market closed

Pre-market opens in 1 day 14 hours 13 minutes
Main market opens in 1 day 19 hours 43 minutes

13:46
00:00
23:59

Trading Hours (Monday - Friday):

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

Fund holders

Name Date reported Shares Value % Held
GROWTH FUND OF AMERICA Mar 31, 2026 8.0M 2.0B 6.0%
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund Dec 31, 2025 4.2M 1.1B 3.1%
AMCAP FUND Mar 31, 2026 3.7M 953.4M 2.8%
VANGUARD INDEX FUNDS-Vanguard Mid-Cap Index Fund Dec 31, 2025 2.9M 732.1M 2.2%
Invesco QQQ Trust, Series 1 Mar 31, 2026 2.8M 711.3M 2.1%
INVESTMENT CO OF AMERICA Mar 31, 2026 1.9M 495.9M 1.5%
VANGUARD INDEX FUNDS-Vanguard Growth Index Fund Dec 31, 2025 1.5M 388.9M 1.1%
VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund Dec 31, 2025 1.4M 362.5M 1.1%
JPMorgan Trust II-JPMorgan Large Cap Growth Fund Dec 31, 2025 1.4M 354.2M 1.0%
Fidelity Mt. Vernon Street Trust-Fidelity Growth Company Fund Mar 31, 2026 1.3M 334.1M 1.0%
Access Holders data via our API — starting from the Ultra plan (individual) and the Enterprise plan (business) and above.
Market closed

Pre-market opens in 1 day 12 hours 13 minutes
Main market opens in 1 day 13 hours 13 minutes

19:46
00:00
23:59

Trading Hours (Monday - Friday):

Pre-market
08:00 - 09:00
Main market
09:00 - 17:30
All times are displayed in the Europe/Rome timezone (CEST, UTC+02:00).