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Starboard targets $100m in cost cuts at Honeywell spin-off Solstice

Reported by Hedgeweek
Oct 20, 2026· 2 min read
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Key Takeaways
  • • Starboard Value, the activist hedge fund managing $8.2bn, has built a stake of several hundred million dollars in Solstice Advanced Materials, making it one of the company's ten largest shareholders, according to the Financial Times.
  • • Starboard is pushing Solstice to cut $100m in costs and sharpen focus on its refrigerants and nuclear businesses, with emphasis on uranium enrichment growth.
  • • The campaign follows the cancellation in August of Solstice's $14.5bn cash-and-stock acquisition of Element Solutions, which shareholders questioned on strategic rationale and valuation.
  • • Solstice shares remain 26% below their pre-deal level from July and the company had a market capitalisation of about $9.6bn at Monday's close.
  • • Starboard founder and CEO Jeff Smith is expected to disclose the investment at the 13D Monitor Active-Passive Investor Summit on Tuesday.
Summary
Activist hedge fund Starboard Value has built a substantial stake in Solstice Advanced Materials, the US specialty chemicals group spun off from Honeywell last October, and is pressing the company to cut $100m in costs and concentrate on its core businesses, according to a report by the Financial Times. Starboard, which manages $8.2bn, has accumulated several hundred million dollars' worth of shares, making it one of Solstice's ten largest shareholders.

The fund is urging Solstice to reduce corporate overheads and improve execution across its refrigerants and nuclear businesses. Starboard places particular emphasis on the growth potential of the uranium enrichment operations. Solstice is one of a limited number of companies outside Russia and China capable of supplying a key chemical used in uranium enrichment. Starboard sees opportunities as AI-driven electricity demand supports investment in nuclear power, and a US deadline to end imports of Russian enriched uranium by 2028 could provide further growth. Analysts at BMO Capital Markets have also suggested the nuclear division could command a higher valuation as a standalone business.

The campaign follows the collapse of Solstice's proposed $14.5bn cash-and-stock acquisition of Element Solutions, which was cancelled in August after shareholders questioned the strategic rationale and valuation of the deal. Solstice shares remain 26% below their level before the transaction was announced in July, having surrendered most of the gains recorded since the separation from Honeywell. The company had a market capitalisation of approximately $9.6bn at Monday's close.

Starboard founder and chief executive Jeff Smith is expected to disclose the investment at the 13D Monitor Active-Passive Investor Summit on Tuesday. The campaign adds pressure on Solstice chief executive David Sewell to restore investor confidence following a turbulent first year as an independent company.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Hedgeweek Starboard targets $100m in cost cuts at Honeywell spin-off Solstice