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S&P Dow Jones Indices will make the following changes to the S&P 500, S&P MidCap 400, S&P SmallCap 600:
- Vylor Inc. (NYSE: VYLR) was added to the S&P 500 on October 1 when S&P 500 constituent Corteva Inc (NYSE: CTVA) spun off Vylor in a transaction completed on that date. Vylor replaces Corteva in the S&P 500. Corteva will replace Olin Corp (NYSE: OLN) in the S&P MidCap 400, and Olin will replace Qorvo, Inc (NASD: QRVO) in the S&P SmallCap 600 effective prior to the opening of trading on Tuesday, October 6. S&P 500 constituent Skyworks Solutions Inc. (NASD: SWKS) is acquiring Qorvo in a deal expected to be completed soon, pending final closing conditions. Vylor will have a Global Industry Classification Standard (GICS) change to Consumer Staples effective on October 6. Post spin-off, Corteva will be more representative of the mid-cap market space.
- S&P MidCap 400 constituent Twilio Inc. (NYSE: TWLO) will replace Warner Bros. Discovery, Inc. (NASD: WBD) in the S&P 500, S&P SmallCap 600 constituent Formfactor Inc. (NASD: FORM) will replace Twilio in the S&P MidCap 400, and Workiva Inc. (NYSE: WK) will replace Formfactor in the S&P SmallCap 600 effective prior to the opening of trading on Tuesday, October 6. S&P 500 constituent Paramount Skydance Corp. (NASD: PSKY) is acquiring Warner Bros. Discovery in a deal expected to be completed soon pending final closing conditions. Post merger, Paramount Skydance will switch its primary listing to the NYSE.
Following is a summary of the changes that will take place prior to the open of trading on the effective date:
Effective Date | Index Name | Action | Company Name | Ticker | GICS Sector |
Oct 1, 2026 | S&P 500 | Addition | Vylor | VYLR | Consumer Staples |
Oct 6, 2026 | S&P 500 | Deletion | Corteva | CTVA | Materials |
Oct 6, 2026 | S&P 500 | Addition | Twilio | TWLO | Information Technology |
Oct 6, 2026 | S&P 500 | Deletion | Warner Bros. | WBD | Communication Services |
Oct 6, 2026 | S&P MidCap 400 | Addition | Formfactor | FORM | Information Technology |
Oct 6, 2026 | S&P MidCap 400 | Deletion | Twilio | TWLO | Information Technology |
Oct 6, 2026 | S&P MidCap 400 | Addition | Corteva | CTVA | Materials |
Oct 6, 2026 | S&P MidCap 400 | Deletion | Olin | OLN | Materials |
Oct 6, 2026 | S&P SmallCap 600 | Addition | Workiva | WK | Information Technology |
Oct 6, 2026 | S&P SmallCap 600 | Deletion | Formfactor | FORM | Information Technology |
Oct 6, 2026 | S&P SmallCap 600 | Addition | Olin | OLN | Materials |
Oct 6, 2026 | S&P SmallCap 600 | Deletion | Qorvo | QRVO | Information Technology |
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SOURCE S&P Dow Jones Indices
