Twilio to join the S&P 500, replacing Warner Bros Discovery

S&P Dow Jones Indices announced that Twilio Inc. will be added to the S&P 500, taking the place of Warner Bros Discovery. The change takes effect before the market opens on 6 Oct 2026. Warner Bros Discovery is being acquired by Paramount Skydance, which is expected to close soon.

The addition moves Twilio into a benchmark index, likely increasing demand from index‑tracking funds. The removal of Warner Bros Discovery may trigger selling pressure from funds that must follow the index.

  • 1Twilio will join the S&P 500 before the open of trading on 6 Oct 2026, replacing Warner Bros Discovery.
  • 2Warner Bros Discovery is being acquired by Paramount Skydance Corp.
  • 3Vylor was also added to the S&P 500 on 1 Oct 2026.

Sources