Twilio to Replace Amedisys in S&P 400 on August 19
ByAinvest
Thursday, Aug 14, 2025 9:20 pm ET1min read
AMED--
The transition is a result of UnitedHealth Group Inc. (NYSE: UNH), a constituent of the S&P 500 and S&P 100, acquiring Amedisys in a deal completed on August 14. This acquisition led to the reconstitution of the S&P MidCap 400 index, with Twilio taking Amedisys' place [2][3].
The addition of Twilio to the S&P MidCap 400 index comes with potential benefits for investors. The index change reflects Twilio's growing market relevance in the information technology sector. However, the immediate post-announcement performance of Twilio's stock was subdued, with a 0.86% decline on August 14, 2025 [4].
Investors should consider the long-term implications of enhanced index exposure against short-term volatility. The strategy of purchasing high-volume stocks and holding for one day yielded 0.98% average daily returns between 2022 and 2025, underscoring the strategy's sensitivity to market cycles [4].
The acquisition of Amedisys by UnitedHealth Group is part of a broader trend of strategic consolidations in the healthcare sector. UnitedHealth is pursuing this deal to expand its Optum arm and strengthen its position in the fast-growing home-healthcare sector. The deal also highlights the continued momentum of strategic consolidations in healthcare [5].
References:
[1] https://www.prnewswire.com/news-releases/twilio-set-to-join-sp-midcap-400-302530650.html
[2] https://finance.yahoo.com/news/twilio-set-join-p-midcap-220800496.html
[3] https://www.nasdaq.com/press-release/twilio-set-join-sp-midcap-400-2025-08-14
[4] https://www.ainvest.com/news/twilio-post-index-addition-slide-288th-volume-midcap-400-shake-2508/
[5] https://www.nasdaq.com/articles/can-unitedhealth-really-fight-cost-headaches-33b-amedisys-pill
TWLO--
UNH--
Twilio will replace Amedisys in the S&P MidCap 400 on August 19 after Amedisys was acquired by UnitedHealth Group in a deal completed on August 14. This change will be effective prior to the opening of trading on the specified date.
On August 19, Twilio Inc. (NYSE: TWLO) will join the S&P MidCap 400 index, replacing Amedisys Inc. (NASD: AMED). This change will take effect prior to the opening of trading on the specified date [1].The transition is a result of UnitedHealth Group Inc. (NYSE: UNH), a constituent of the S&P 500 and S&P 100, acquiring Amedisys in a deal completed on August 14. This acquisition led to the reconstitution of the S&P MidCap 400 index, with Twilio taking Amedisys' place [2][3].
The addition of Twilio to the S&P MidCap 400 index comes with potential benefits for investors. The index change reflects Twilio's growing market relevance in the information technology sector. However, the immediate post-announcement performance of Twilio's stock was subdued, with a 0.86% decline on August 14, 2025 [4].
Investors should consider the long-term implications of enhanced index exposure against short-term volatility. The strategy of purchasing high-volume stocks and holding for one day yielded 0.98% average daily returns between 2022 and 2025, underscoring the strategy's sensitivity to market cycles [4].
The acquisition of Amedisys by UnitedHealth Group is part of a broader trend of strategic consolidations in the healthcare sector. UnitedHealth is pursuing this deal to expand its Optum arm and strengthen its position in the fast-growing home-healthcare sector. The deal also highlights the continued momentum of strategic consolidations in healthcare [5].
References:
[1] https://www.prnewswire.com/news-releases/twilio-set-to-join-sp-midcap-400-302530650.html
[2] https://finance.yahoo.com/news/twilio-set-join-p-midcap-220800496.html
[3] https://www.nasdaq.com/press-release/twilio-set-join-sp-midcap-400-2025-08-14
[4] https://www.ainvest.com/news/twilio-post-index-addition-slide-288th-volume-midcap-400-shake-2508/
[5] https://www.nasdaq.com/articles/can-unitedhealth-really-fight-cost-headaches-33b-amedisys-pill
Stay ahead of the market.
Get curated U.S. market news, insights and key dates delivered to your inbox.
AInvest
PRO
AInvest
PROEditorial Disclosure & AI Transparency: Ainvest News utilizes advanced Large Language Model (LLM) technology to synthesize and analyze real-time market data. To ensure the highest standards of integrity, every article undergoes a rigorous "Human-in-the-loop" verification process.
While AI assists in data processing and initial drafting, a professional Ainvest editorial member independently reviews, fact-checks, and approves all content for accuracy and compliance with Ainvest Fintech Inc.’s editorial standards. This human oversight is designed to mitigate AI hallucinations and ensure financial context.
Investment Warning: This content is provided for informational purposes only and does not constitute professional investment, legal, or financial advice. Markets involve inherent risks. Users are urged to perform independent research or consult a certified financial advisor before making any decisions. Ainvest Fintech Inc. disclaims all liability for actions taken based on this information. Found an error?Report an Issue
Comments
No comments yet