Solaris Energy Infrastructure Set to Join S&P SmallCap 600
PR Newswire
NEW YORK, July 9, 2026
NEW YORK, July 9, 2026 /PRNewswire/ -- Solaris Energy Infrastructure Inc. (NYSE: SEI) will replace Catalyst Pharmaceuticals Inc. (NASD: CPRX) in the S&P SmallCap 600 effective prior to the opening of trading on Wednesday, July 15. Angelini Pharma S.p.A. is acquiring Catalyst Pharmaceuticals in a deal expected to close soon, pending final closing conditions.
Following is a summary of the changes that will take place prior to the open of trading on the effective date:Effective DateIndex Name ActionCompany NameTickerGICS SectorJuly 15, 2026S&P SmallCap 600AdditionSolaris Energy InfrastructureSEIEnergyJuly 15, 2026S&P SmallCap 600DeletionCatalyst PharmaceuticalsCPRXHealth CareABOUT S&P DOW JONES INDICESS&P Dow Jones Indices is the largest global resource for essential index-based concepts, data and research, and home to iconic financial market indicators, such as the S&P 500® and the Dow Jones Industrial Average®. More assets are invested in products based on our indices than products based on indices from any other provider in the world. Since Charles Dow invented the first index in 1884, S&P DJI has been innovating and developing indices across the spectrum of asset classes helping to define the way investors measure and trade the markets.S&P Dow Jones Indices is a division of S&P Global (NYSE: SPGI), which provides essential intelligence for individuals, companies, and governments to make decisions with confidence. For more information, visit www.spglobal.com/spdji/en/.FOR MORE INFORMATION:S&P Dow Jones Indicesindex_services@spglobal.comMedia Inquiriesspdji.comms@spglobal.com
