Stock Markets October 20, 2026 11:11 AM

Starboard Files Stake in Solstice, Urges Focus on Core Operations and Cost Cuts

Activist investor says Solstice is undervalued and calls for strategic refocus; also reinforces stake in Knife River and pushes for margin improvements

By Hana Yamamoto
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KNF SOLS

Starboard Value disclosed a new stake in Solstice Advanced Materials, calling the company undervalued and urging management to prioritize core refrigerants and nuclear businesses while pursuing roughly $100 million in cost reductions. The disclosure came during Jeffrey Smith's remarks at the 13D Monitor Active-Passive Investor Summit in New York. Starboard also reiterated its involvement at Knife River Corp, backing board candidates and advocating for stronger margins.

Starboard Files Stake in Solstice, Urges Focus on Core Operations and Cost Cuts
KNF SOLS
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Key Points

  • Starboard disclosed a new stake in Solstice Advanced Materials and called the stock "stupid cheap."
  • Jeffrey Smith urged management to focus on core refrigerants and nuclear operations and to cut about $100 million in costs.
  • Starboard also maintained its activist engagement with Knife River Corp, preparing director candidates and advocating for higher profit margins.

Overview

Starboard Value revealed a new position in Solstice Advanced Materials, asserting that the shares trade below what the firm views as fair value and that tighter management oversight is needed to boost returns for shareholders.


Remarks at investor summit

During remarks at the annual 13D Monitor Active-Passive Investor Summit in New York, Starboard managing member and chief executive Jeffrey Smith described Solstice as trading "stupid cheap." Smith said the business has "great businesses but is undervalued," and attributed the discount to weakened investor confidence in management's ability to execute on the company's core operations.

Smith specified that he believes company management should concentrate on its primary refrigerants and nuclear businesses. He added that the company should pursue reductions of about $100 million in costs across the organization.


Background on Solstice

Solstice was spun off from Honeywell one year ago and initially saw notable gains in its share price following the separation. However, the stock has slid roughly 30% from its all-time closing high reached on June 30.

The decline followed a failed $14.5 billion acquisition of specialty chemicals company Element Solutions. That proposed cash-and-stock transaction - announced on July 6 and intended to capture demand from data centers and chipmakers - was terminated on August 27 after shareholder feedback from both companies prompted the parties to call off the deal.


Starboard's other positions

Smith also discussed Starboard's position in Knife River Corp. The firm has prepared director candidates for election to Knife River's board and has characterized the company as "a very attractive acquisition target." Starboard disclosed its investment in Knife River in September and has since pushed for improved profit margins at the company.


Implications

Starboard is pressing for a narrower strategic focus and substantial cost savings at Solstice while continuing its activist engagement at Knife River. The investor's public comments are an effort to signal both conviction in underlying business value and impatience with current management execution.

Risks

  • Market confidence in Solstice's management execution is low, contributing to the stock's roughly 30% decline since its June 30 closing high - impacts chemicals and capital markets sectors.
  • A previously announced $14.5 billion acquisition of Element Solutions was terminated after shareholder feedback, illustrating deal risk and strategic uncertainty in specialty chemicals.
  • Starboard's push for significant cost reductions could create operational disruption if not implemented carefully - affects Solstice's refrigerants and nuclear business lines.

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