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fool.comAUG 243 min read$IONQ

IonQ vs. Quantum Computing Inc.: Which Quantum Computing Stock Is a Better Buy in 2026?

IonQ (IONQ) and Quantum Computing Inc. (QUBT) are compared as quantum computing stocks. IonQ reported $130M revenue in FY 2025, up 202%, but a net loss of $510.4M. QUBT reported $682K revenue, up 82.8%, with a net loss of $18.7M. Both have zero debt but negative free cash flow. IonQ's Q2 2026 sales were $80.1M, up 287% YoY, and raised its full-year outlook to $280M-$290M. QUBT's Q2 2026 sales were $5.6M, exceeding its FY 2025 total. IonQ is seen as the better buy due to stronger growth and valua

Original reporting
fool.com
Published Aug 24, 2026, 6:31 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 24, 2026, 6:40 PM UTC. Informational, not investment advice.
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IonQ vs. Quantum Computing Inc.: Which Quantum Computing Stock Is a Better Buy in 2026? — source image
Source · fool.com
Decision brief

The 30-second read

$IONQBullishMed
01

Why it matters

IonQ's raised outlook and DARPA award could attract speculative capital, while QUBT's sales surge offers a modest catalyst but remains limited by scale.

02

Market read

Both stocks are micro‑caps with high volatility; new guidance and contract news provide fresh trading angles.

03

What to watch

Supply‑chain constraints for photonic components and potential regulatory scrutiny of quantum‑based defense applications.

Relevance 6/10Novelty 6/10Timing: August 2026

Background

The article compares two publicly traded quantum‑computing companies, focusing on recent financial results, guidance updates, and a new DARPA contract for IonQ.

Company-level read

Ticker impact

$IONQBullishMedium confidence
Context

IonQ raised its full-year 2026 revenue outlook to $280‑$290 million and secured a $28 million DARPA contract extension for a quantum atomic clock.

Expected impact

Potential upside of 5‑10% over the next few weeks if the contract is confirmed.

Evidence & confidence

Revenue guidance lift and a sizable government contract are material for a micro‑cap, but execution risk remains high.

$QUBTBullishLow confidence
Context

Quantum Computing Inc. reported Q2 sales of $5.6 million, exceeding its full‑year 2025 revenue, and highlighted a $5.6 million quarterly surge.

Expected impact

Modest upside of 3‑5% if investors view the sales growth as sustainable.

Evidence & confidence

Sales are still very small; growth may be viewed as a one‑off boost rather than a structural shift.

Market effects

Sector

Highlights continued investment in quantum‑computing hardware, potentially spurring interest in related semiconductor and cloud‑service stocks.

Regional

DARPA contract underscores U.S. government support for domestic quantum tech, modestly favoring U.S. quantum firms.

Global

Shows competitive pressure on international quantum players as U.S. firms secure federal funding.

Counterpoint

What could challenge this read

The contracts and guidance may be overstated; execution risk and cash burn could outweigh short‑term upside.

Key entities

  • Company
    IonQ

    U.S. quantum‑computing firm using trapped‑ion technology.

  • Company
    Quantum Computing Inc.

    U.S. quantum‑computing firm focused on photonic chips.

  • Government Agency
    DARPA

    U.S. Defense Advanced Research Projects Agency providing a $28 million contract.

Read at source← All news

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