The quantum computing sector experienced a significant sell-off on Friday, with multiple stocks suffering double-digit percentage declines. This downturn occurred on the day following the Nasdaq debut of industry leader Quantinuum (QNT), driven by a rotation of market capital from existing quantum computing stocks into the new listing, combined with a broader cooling of risk appetite across the technology sector, leading to a deep correction for the sector.
By early trading on Friday, D-Wave Quantum shares had plummeted approximately 11%, Rigetti Computing was down over 10%, and Quantum Computing Inc. had fallen nearly 9%. These stocks had already seen widespread declines of around 8% to 10% the previous day. On its first day of trading, Quantinuum opened at $68 per share, a 13.3% increase over its $60 IPO price, but ultimately closed with a gain of just 0.63%, indicating limited market enthusiasm for chasing the sector higher.
Analysts noted that the primary reason for the collective decline in the quantum computing sector was capital rotation. As the world's highest-valued quantum computing company, Quantinuum's IPO attracted significant institutional attention. Some funds and traders sold existing quantum computing holdings to free up capital for allocation to the new stock, creating selling pressure on pure-play quantum computing names like IonQ, Rigetti, and D-Wave. Furthermore, Quantinuum has established a new valuation benchmark for the industry, prompting investors to reassess the pricing rationale for existing stocks.
Quantinuum was formed in 2021 through the merger of Honeywell's quantum computing division and Cambridge Quantum. It focuses on the ion trap quantum computing technology path. The company's Helios system, launched in November of last year, boasts 98 physical qubits with a two-qubit gate fidelity of 99.921%. However, the company's financial data still indicates it is in the early stages of commercialization: full-year 2025 revenue was $30.9 million with a net loss of $193 million; first-quarter 2026 revenue was $5.24 million with a net loss of $137 million.
Looking at the broader market environment, overall weakness in chip stocks also exacerbated pressure on the quantum sector. Broadcom's previously released earnings failed to raise its AI chip sales guidance, triggering a broad risk-off sentiment across the tech sector. As highly volatile stocks, quantum computing names were particularly impacted.