Russell 1000 Growth Index Adds 3 Stocks, Removes XP Inc. in Annual Reset

Key Facts

1Allegro MicroSystems (ALGM) was added to the Russell 1000 Growth Index.

2XP Inc. (XP) was removed from the Russell 1000 Growth Index.

3First Solar (FSLR) was added to the Russell 1000 Growth Index.

4United Airlines Holdings (UAL) was added to the Russell 1000 Growth Index.

The annual reconstitution of the Russell 1000 Growth Index is a key event for passive fund flows. According to reports, three stocks were added: Allegro MicroSystems (ALGM), First Solar (FSLR), and United Airlines Holdings (UAL), while XP Inc. (XP) was removed. The changes reflect the annual update of growth metrics and market capitalization thresholds.

At the close on June 26, 2026, ALGM traded at $57.89, FSLR at $239.07, and UAL at $136.11, per market data. XP closed at $16.13. The added stocks are expected to see buying pressure from index-tracking funds, while XP may face selling pressure. These changes are part of the annual rebalance that can impact trading volumes.

With the changes effective June 29, 2026, attention will be on trading volumes and price action. ALGM recently ranged $56.50–$60.39, while FSLR traded $237–$249.26. The rebalance could cause short-term volatility, especially as quarter- and half-year-end trading concludes.