Gulfport Energy to Join S&P SmallCap 600 on July 1, Replacing Select Medical
GPOR•Gulfport Energy Corp will enter the S&P SmallCap 600 effective July 1, 2026, replacing Select Medical Holdings ahead of its pending acquisition. Inclusion in the 600-company benchmark could draw new institutional demand and enhance liquidity for Gulfport’s shares.
1. S&P SmallCap 600 Addition
Gulfport Energy Corp will be added to the S&P SmallCap 600 effective July 1, 2026, marking its debut in the small-cap benchmark. The change reflects the company’s eligibility based on market capitalization and liquidity standards.
2. Replacement of Select Medical
Select Medical Holdings is exiting the index due to its pending acquisition, creating an opening that Gulfport fills. This adjustment maintains the index’s representation of the small-cap segment.
3. Implications for Gulfport
Inclusion typically prompts funds tracking the SmallCap 600 to purchase constituent shares, which could boost Gulfport’s trading volume and improve liquidity. Investors may gain heightened visibility and potential valuation revision following the rebalancing.




