Nasdaq announced the results of the annual reconstitution of the Nasdaq-100 Index, which will become effective prior to market open on Monday, December 22, 2025. The following six companies will be added to the Index: Alnylam Pharmaceuticals (ALNY), Ferrovial SE (FER), Insmed Incorporated (INSM), Monolithic Power Systems (MPWR), Seagate Technology Holdings (STX), Western Digital (WDC). As a result of the reconstitution, the following six companies will be removed from the Index: Biogen (BIIB), CDW Corporation (CDW), GlobalFoundries (GFS), Lululemon Athletica (LULU), ON Semiconductor Corporation (ON), The Trade Desk (TTD)
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Read More on ALNY:
- Alnylam Pharmaceuticals: Hold Rating Due to Sales Projections Falling Short of Consensus
- Alnylam Pharma Announces Convertible Notes Buyback
- Alnylam price target raised to $508 from $495 at Stifel
- Cautious Outlook for Alnylam Pharma Amid Mixed Sales Trends and Volatility
- Alnylam price target raised to $479 from $395 at Wells Fargo