QBTS Tops IONQ, RGTI in 1H25 But Valuation Stretched: Buy Now or Wait?

D-Wave Quantum (QBTS) shares rallied 74.2% in 1H25, significantly outperforming rivals and the S&P 500, fueled by the launch of its Advantage2 processor, a NASA JPL collaboration targeting 100,000-qubit systems, and increasing commercial traction with over 1,300 tested applications. Financially, the company demonstrated stabilization with strong Q1 revenues, a 42% YoY increase in Q2 service revenues, a narrowed EBITDA loss, and a robust cash balance exceeding $300 million. Despite these operational and financial advancements, QBTS is deemed overvalued with a forward P/S ratio of 153.44x, leading to a Zacks Rank #3 (Hold) due to its stretched valuation, ongoing operating losses, and the capital-intensive nature of its technology roadmap, which suggests a less attractive near-term risk/reward profile.

Analysis

D-Wave Quantum (QBTS) demonstrated significant operational momentum and stock outperformance in the first half of 2025, with its shares rallying 74.2% and decisively outpacing peers IONQ and RGTI. This performance is underpinned by tangible technological advancements, including the general availability of its Advantage2 processor and a strategic collaboration with NASA JPL to develop 100,000-qubit systems, signaling a clear long-term scaling roadmap. Commercially, the company is gaining traction, evidenced by over 1,300 applications tested on its platform and new customer wins. Financially, QBTS is showing signs of stabilization; while revenue remains lumpy, with Q1 boosted by a $15 million system sale and Q2 normalizing to a 42% year-over-year growth in service revenue, its balance sheet is a key strength. A cash position exceeding $300 million, fortified by a recent equity raise, provides a multi-year liquidity runway. Furthermore, the adjusted EBITDA loss narrowed to $26.1 million from $26.8 million year-over-year, supported by strong gross margins. Despite these positive developments, the company's valuation presents a major headwind. Trading at a forward price-to-sales multiple of 153.44x—significantly above its historical median and the sector average of 6.73x—suggests that the market has already priced in substantial future growth. This stretched valuation, coupled with persistent operating losses, results in a cautious outlook and a Zacks Rank #3 (Hold), indicating a less attractive near-term risk-reward profile.

Key Decisions for Investors

• Given the stock's 74.2% rally and stretched forward P/S ratio of 153.44x, prospective investors should exercise caution, as the current price appears to have priced in near-term optimism, making it prudent to await a more favorable entry point.
• Existing investors should monitor the company's ability to transition from lumpy, one-time system sales to more predictable, growing recurring service revenues to justify its premium valuation.
• Closely track cash burn and operating expenses against the company's $300 million cash reserve, as the capital-intensive nature of its technology roadmap remains a primary risk factor despite the current liquidity.
• Benchmark QBTS's progress in commercial adoption and qubit scaling against competitors, as its ability to maintain a clear technological and market lead is essential to sustaining its significant valuation premium over peers.