S&P Dow Jones Indices removed Rocket Pharmaceuticals, Inc. from the S&P Biotechnology Select Industry Index late on June 21, 2026. This change becomes effective at the market open on June 22, 2026.

The removal requires exchange-traded funds (ETFs) and passive investment vehicles to liquidate their positions in the company. This forced selling typically creates short-term downward pressure on the stock price as the market absorbs the supply.