Honeywell International (HON) Broke Itself Into Three. Is the Sum Worth More Than the Whole Was?

Honeywell International Inc. (NASDAQ:HON) closed at $213.80 on October 1, having completed the second of two spin-offs that split the conglomerate into three listed companies. Solstice Advanced Materials separated in October 2025, and Honeywell Aerospace followed in June 2026, leaving Honeywell as a pure-play automation business. Together they are now worth less than the single company was a year ago. READ ALSO: Citigroup (C) Lines Up a $3 Billion Banamex IPO for JanuaryHoneywell (HON) Broke Itself Into Three. Is the Sum Worth More Than the Whole Was? The Three Pieces Are Worth Less Than the One Was: The arithmetic has not cooperated. Honeywell is worth about $64 billion, Honeywell Aerospace $51.8 billion, and Solstice Advanced Materials $9.