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S&P 500 reshuffle: Ares replaces Kellanova as Mars deal nears

Reported by stocktitan
Apr 14, 2026· 3 min read
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Key Takeaways
  • • Ares Management (NYSE: ARES) will replace Kellanov (NYSE: K) in the S&P 500 effective December 11, 2025, following Mars Inc.'s $36 billion acquisition of the snack food company.
  • • Ares Management, a leading alternative asset manager with $595.7 billion in total assets under management as of September 2025, operates across private credit, private equity, real estate/real assets, and other alternatives segments, serving primarily institutional investors (80% of AUM).
  • • Ares stock surged 6.3% to $174.67 on the announcement after being previously excluded from the S&P 500 in a prior rebalancing round; 65% of analysts covering the stock rate it Buy with an average price target of $184.86, implying 13% upside potential.
  • • The Mars acquisition of Kellanov—maker of Pringles, Cheez-It, and Pop-Tarts—received unconditional approval from the European Union, clearing a key regulatory hurdle for deal closure.
  • • Concurrent index rebalances include Vital Farms (VITL) and Sezzle (SEZL) joining the S&P SmallCap 600, replacing Heidrick & Struggles (HSII) and Vital Energy (VTLE) respectively.
Summary
S&P Dow Jones Indices announced that Ares Management will join the S&P 500 effective prior to market open on December 11, 2025, replacing Kellanov following the food conglomerate's acquisition by private company Mars Inc. The all-cash transaction, valued at $36 billion, is expected to close imminently pending final conditions. Mars acquired Kellanov to create a combined snacking platform operating under the Mars Snacking division, gaining ownership of billion-dollar brands including Pringles, Cheez-It, and Pop-Tarts.

Ares Management's inclusion marks a significant milestone for the Los Angeles-based alternative asset manager. With $595.7 billion in total assets under management as of September 2025, Ares operates through four principal business segments: private credit, private equity, real estate/real assets, and other alternatives. The firm serves a predominantly institutional investor base, which comprises 80% of AUM, with the remaining 20% sourced from high-net-worth individuals. Ares maintains operations across more than 35 offices in over 15 countries globally, positioning it as one of the world's largest alternative-asset managers.

The S&P 500 inclusion announcement drove Ares stock up 6.3% to $174.67 on the day of the announcement, reversing earlier year-to-date underperformance. Heading into the inclusion announcement, Ares shares were down 7% for the year—a performance pressure shared with sector peers KKR and Blackstone, both down approximately 12% in 2025 amid investor concerns regarding the private-credit sector. The stock addition comes after Ares was notably excluded from a prior S&P 500 rebalancing round when Carvana, CRH, and Comfort Systems USA received inclusion instead, despite Ares' $54 billion market capitalization making it one of the largest companies not yet in the index.

Wall Street sentiment toward Ares remains constructive, with 65% of analysts covering the stock maintaining Buy ratings and an average price target of $184.86, implying approximately 13% upside from pre-announcement levels. The index inclusion should enhance liquidity and institutional demand for Ares shares, a typical benefit of S&P 500 membership. Concurrently, Vital Farms (VITL) and Sezzle (SEZL) will join the S&P SmallCap 600 on December 11 and December 15 respectively, replacing Heidrick & Struggles and Vital Energy as part of the broader index rebalancing cycle.

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