Astera Labs to Join Nasdaq 100 on June 22, Shares Rise 3%
ALAB•Astera Labs will be added to the Nasdaq 100 index on June 22 as part of a five-stock quarterly rebalance, replacing Charter Communications and Zscaler. The semiconductor supplier rallied over 3% Friday and has surged approximately 300% year-over-year and nearly doubled in value in 2026.
1. Nasdaq 100 Inclusion Details
Nasdaq announced that Astera Labs will join the Nasdaq 100 index effective June 22 as part of its quarterly rebalance. The company is one of five additions—alongside CoreWeave, Nebius, Teradyne and Rocket Lab—that will replace Charter Communications, Cognizant, Insmed, Verisk Analytics and Zscaler.
2. Stock Market Reaction
Shares of Astera Labs jumped over 3% in early trading Friday following the inclusion announcement. Pre-market gains reached 3.14% before the broader market open carried the stock higher, reflecting increased demand from passive index funds.
3. Growth Metrics and Business Profile
Astera Labs designs high-speed connectivity chips for AI data centers and serves as a supplier to major tech companies. The stock has climbed roughly 300% year-over-year and nearly doubled in value during the first half of 2026, driven by strong demand for AI infrastructure components.
