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Quantum-Si (QSI) Reports Q1 Loss, Misses Revenue Estimates

Quantum-Si (QSI) reported a loss for Q1 2026, with revenue falling short of estimates by -35.5% while earnings per share beat expectations by +16.67%.

May 8, 2026
2 min read
Source: Zacks
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Key Numbers

revenue surprise
-35.50%
eps surprise
+16.67%

Quantum-Si Incorporated (NASDAQ: QSI) reported its first-quarter 2026 results, posting a loss and revenue below analyst expectations. The company delivered an earnings per share surprise of +16.67% and a revenue surprise of -35.50%.

Key Financial Results

MetricQ1 2026vs. Estimates
RevenueNot disclosedSurprise -35.50%
EPSNot disclosedSurprise +16.67%

Note: The company did not disclose absolute revenue or net income figures in the available press release.

Highlights from the Release

The company noted that Q1 results reflect continued investment in its proprietary proteomics sequencing technology, which aims to enable researchers to analyze proteins with high precision. No detailed explanation was provided for the revenue shortfall.

Guidance

Quantum-Si did not provide formal guidance for the next quarter or fiscal year 2026 in this announcement.

Stock Impact

The stock's reaction was not directly mentioned in the report, but the negative revenue surprise is likely to weigh on investor sentiment in the near term.

What This Means for Investors

Q1 results highlight challenges in meeting revenue expectations, but the EPS beat may indicate improved cost management. Investors should monitor upcoming reports to assess the company's growth trajectory.

Frequently Asked Questions

The revenue surprise was -35.50%, meaning actual revenue was 35.5% below analyst estimates.

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This article was rewritten in Wrqti's editorial style based on information from the original source above. Content is informational only — not investment advice.