Arqit Quantum Inc vs Quanta Services Inc — how do they compare? Arqit Quantum Inc trades at $23.37 (market cap $424.79M), while Quanta Services Inc trades at $684.13 (market cap $100.82B). The key difference: Quanta Services Inc is far larger — about 237.3× Arqit Quantum Inc's market cap, and Quanta Services Inc pays a 0.07% dividend while Arqit Quantum Inc pays none. Which is the better fit depends on your goals.
| ARQQ | PWR | |
|---|---|---|
Market Cap | $424.79M | $100.82B |
Sector | Technology | Industrials |
52-Week High | $58.27 | $785.24 |
52-Week Low | $11.78 | $372.50 |
Enterprise Value | $398.10M | $106.91B |
Dividend Yield | — | 0.07% |
Signals from Pluang's Aura AI — not financial advice
ARQQ trades at $24.10, up 6.59% today, with a bullish technical signal from moving averages. The company shows explosive revenue growth (829% YoY in H1 2026) but remains deeply unprofitable with a -4,508% net margin. Recent news highlights quantum-safe encryption partnerships with telecom and government clients, driving investor optimism despite significant financial losses.
Outlook remains speculative with high risk/reward profile. The quantum security market offers substantial growth potential, but ARQQ must demonstrate path to profitability amid heavy operating losses. Analyst consensus is divided (50% Buy, 50% Hold), reflecting uncertainty about timeline for sustainable operations.
PWR trades at $660.86, down 1.64% over 24 hours, with a neutral technical signal. The company reported strong Q2 2026 earnings, beating estimates with EPS of $4.24 versus $3.31 expected, and raised its full-year 2026 outlook. Revenue growth is robust, reaching $28.48B in 2025, though valuation ratios like a P/E of 76.73 appear elevated. Analyst sentiment is overwhelmingly positive, with 26 buy ratings and a consensus price target of $809.75.
The outlook for PWR is bullish, driven by record backlog and infrastructure demand, but high valuation and negative net cash flow pose risks. Investors face a trade-off between strong growth prospects and premium pricing, with execution on raised guidance being critical for further upside.
Trailing returns across standard periods
Latest headlines on both assets
Arqit Quantum provides advanced cybersecurity software that uses symmetric key agreement technology. Its solutions protect networked devices and data against current and future cyber threats, including quantum attacks.
Read more on ARQQ →Quanta Services is a leading provider of specialty contracting services, delivering comprehensive infrastructure solutions for the electric and gas utility, communications, pipeline, and energy industries in the United States, Canada, and Australia. Quanta reports its results under two reportable segments: electric power infrastructure solutions and underground utility and infrastructure solutions. In October 2021, the company completed the acquisition of Blattner, a provider of comprehensive engineering, procurement, and construction solutions to customers in the renewable energy industry.
Read more on PWR →