The recent bounce in Rigetti Computing’s stock has done little to mask the deeper concerns weighing on the quantum computing player. Shares closed at €14.12 on Tuesday, up modestly from the session’s worst levels, but the rebound is fragile. Investors are juggling the lingering effects of a sharp sector sell-off with growing unease about the company’s expanding share count.
Over the past week, Rigetti and peer D-Wave Quantum each lost roughly 8% in a single session — a move that analysts pinned on broad risk reduction rather than any company-specific news. Spiking oil prices and escalating US-Iran tensions triggered a flight from volatile growth stocks, dragging quantum names down alongside other speculative sectors. The recovery has been tentative: Rigetti still sits 4.6% lower over seven days and 28% below its level of a month ago.
Behind the price action, a more structural issue is resurfacing. The company has raised approximately $100 million through its “at-the-market” equity program, selling new shares directly into the market whenever the stock rallies. Additionally, Rigetti accepted roughly $100 million in government quantum funding during 2026, which came with the US taking an equity stake. Both moves shore up the balance sheet but steadily dilute existing holders — a dynamic that historically pressures share prices over the medium term.
The balance sheet itself offers some cushion. Cash and liquid securities stood at $569 million at the last quarter-end, providing a runway for operations. Yet the valuation continues to stretch credibility. Full-year 2025 revenue came in at just $7 million, a 34% decline from the prior year, giving the company a market capitalisation of roughly €4.8 billion — a price-to-sales ratio in the triple digits. Analysts note that the current stock price already discounts commercial success that the revenue base does not support.
Should investors sell immediately? Or is it worth buying Rigetti?
A brighter spot emerged with the long-awaited Nasdaq debut of competitor Quantinuum, which rekindled interest in the quantum computing sector. Rigetti also advanced its own hardware, launching the 108-qubit system Cepheus-1 and reporting first-quarter 2026 revenue of $4.4 million, driven by Novera QPU deliveries and research contracts. It carries no debt and continues to develop a differentiated superconducting architecture — factors that supporters cite as long-term differentiators.
Still, Rigetti remains the laggard among pure-play quantum stocks. Year-to-date, the shares have fallen 29.4%, underperforming IonQ, which has gained 13.4%, as well as QUBT and QBTS, which have dropped 22.1% and 28.7% respectively. The stock trades 71.6% below its 52-week high of €50.3 from October 2025 and roughly 30% above its late-March low of €11.0. Both the 50-day moving average of €17.61 and the 200-day average of €20.13 sit well above the current price, while the RSI of 38.8 signals persistent selling pressure without entering extreme oversold territory.
The technology roadmap and access to government validation provide ballast, but the path to profitability remains distant. Revenue is lumpy, tied to large system deliveries and public contracts. The week’s price action underscores the sector’s hypersensitivity to macro shocks and interest-rate expectations. With near-84% annualised volatility and a stretched valuation, the debate is sharply split: bargain hunters see a technical rebound opportunity, while skeptics warn that dilutive capital raises and thinning revenues could leave the stock exposed once the quantum hype cycle turns.
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