Quantinuum’s IPO pricing at $60 per share, raising $1.68 billion in an upsized offering, established a post-debut market capitalization near $15.7 billion based on approximately 259 million shares outstanding. Strong institutional demand for the Honeywell-backed quantum computing leader, amid broader investor interest in the sector, drove the valuation firmly into the $13–16 billion range and produced trader consensus at 100% implied probability. The debut traded with an initial pop before closing essentially flat, reinforcing the outcome. While post-IPO volatility or shifts in quantum sector sentiment could theoretically alter near-term levels, the completed capital raise and share count leave limited scope for deviation outside the band.