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QSI vs QNT: Which Quantum Stock Is Better?

Quantum-Si (Quantum Biology) vs Quantinuum (Trapped-Ion) — live market, SEC financial and quantum-hardware data side by side.

Direct verdict: QSI vs QNT

QNT leads this data snapshot on 4 of the five headline market, financial, runway, return and dilution measures with comparable data. The better investment still depends on valuation, technology execution and risk tolerance.

QNT is the larger company at $13.69B market cap, about 82× the size of QSI ($167.46M).

QNT reports more revenue ($30.93M vs $2.44M for QSI, latest fiscal year).

On cash runway — the metric that decides who needs to raise money first — QNT is stronger (113mo vs 15mo).

QSI vs QNT Performance (% return, all start at 0%)
2/263/274/285/276/267/28-40%-20%+0%+20%+40%
QNT-6.3%QSI-17.3%
MetricQSIQuantum-SiQNTQuantinuum
Market
Price$0.7690$52.07
Market Cap$167.46M$13.69B
1Y Return-32.5%—
52W High$3.10$86.79
52W Low$0.69$47.06
Financials
Revenue (latest FY)$2.44M$30.93M
Revenue YoY-20.3%+34.6%
Net Income-$101.34M-$192.56M
Cash & Equivalents$111.78M$2.11B
Cash Runway15mo113mo
Risk
Going Concern FlagNoNo
ATM Offerings (dilution)290
Daily Short Vol %37.6%56.6%
Beta (1Y vs SPY)1.422.32
Government & Research
Federal Awards Total$381.06K$3.98M
Academic Citations—3
Patents——
Quantum Technology
Physical Qubits—98
Qubit Modality—Physical Qubits (Trapped-Ion, All-to-All Connectivity)
2Q Gate Fidelity—99.921%
Cloud Platforms—Quantinuum Nexus, Azure Quantum, Amazon Braket
Roadmap TargetProteus commercial launch Q2 2027 (18+ amino acids, ~1,000× throughput); 20 of 20 amino acids by 2027Sol next-generation system 2027; Apollo universal fault-tolerant system 2029; commercial quantum advantage by 2027
Company
Founded20172021
HeadquartersGuilford, CTBroomfield, CO
Employees145679
Company DNA0–100 rank vs all tracked stocks · missing data = 0
MomentumScaleRevenueRunwayGov $Research

Momentum = 1Y return · Scale = market cap · Runway capped at 36mo · Gov $ = federal awards · Research = citations + patents. Dollar axes use log scale.

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QSI vs QNT FAQ

Is QSI or QNT the bigger company?

QNT is larger, with a market cap of $13.69B versus $167.46M for QSI.

Which has the longer cash runway, QSI or QNT?

QSI's cash runway is 15mo and QNT's is 113mo (current cash ÷ trailing-twelve-month operating burn; "CF+" means cash-flow positive).

What technology do QSI and QNT use?

Quantum-Si (QSI): Quantum Biology. Quantinuum (QNT): Physical Qubits (Trapped-Ion, All-to-All Connectivity). Qubit counts are not directly comparable across different modalities.

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