Honeywell Is Now Three Companies. Here's Which Piece I'd Actually Own.

Honeywell’s corporate split is now complete, with the remaining HON business positioned as the best pick: in the latest quarter, Honeywell Automation orders rose 16% (vs. 4% for the combined businesses) and it accounted for $20B of a $38B backlog. Adjusted earnings for the automation segment rose 10% YoY, while Solstice Advanced Materials posted 11% YoY sales growth and a 23% EPS jump alongside higher full-year guidance; Honeywell Aerospace instead lowered organic sales growth guidance at launch. Net: investors are encouraged to focus on HON given stronger automation demand tied to AI-driven industrial automation.

Analysis

The real catalyst is not the split itself but the removal of the conglomerate discount. Pure-play automation should earn a higher multiple if order growth holds, because investors can now underwrite a cleaner mix of recurring software/controls demand versus legacy industrial clutter. The risk is that the market extrapolates a few strong quarters into a durable AI capex cycle; industrial automation usually rerates hardest in the first 1-2 earnings prints after a separation, then fades if OEM demand normalizes.

HONA looks like the weakest immediate beneficiary because the setup is being framed as a lower-growth cyclical with a guidance reset, so any weakness there could keep pressure on the stock for 1-3 months. That said, aerospace is a timing trade: airline and defense production ramps tend to work through backlog with a lag, so a supply-chain snapback or better engine/airframe deliveries could reverse the pessimism faster than expected. SOLS is the classic orphan spin: smaller, less liquid, and therefore more vulnerable to indiscriminate de-rating, but also the most likely to surprise on margin if management uses the cleaner capital structure to prune underperforming assets.

Second-order winners include automation peers that can ride the same “AI + industrial productivity” narrative, but the more interesting move is relative value inside the complex. HON has the strongest setup for a multiple re-rate; HONA has the most obvious near-term disappointment risk; SOLS is the hidden optionality if investors start paying for self-help and M&A appeal rather than scale. Falsify the bullish HON view if the next two quarters show backlog growth slowing sharply or organic orders reverting to low-single digits; that would tell you the separation merely changed the wrapper, not the fundamentals.

Key Decisions for Investors

• Long HON / short HONA as a 1-3 month relative-value pair: buy the cleaner automation multiple while fading the near-term guide-reset overhang; attractive if HON keeps order growth above peers and HONA fails to re-accelerate.
• Add HON on weakness rather than chasing strength; the best entry is after the first post-spin model cleanup when the market has to re-rate the stand-alone numbers. Risk/reward improves if HON trades back to a relative discount versus industrial automation peers like ROK and EMR.
• Watch SOLS as a potential orphan-spin re-rating candidate, but do not size aggressively until liquidity and post-separation trading patterns stabilize. If margins hold and sell-side coverage stays sparse, it can become a 6-12 month multiple-expansion story.
• If HONA sells off hard into the first earnings print, consider a tactical mean-reversion long only if bookings/backlog remain intact; otherwise stay short or neutral until backlog-to-revenue conversion is clearer.