A research filter, not a predictor — not financial advice. Grades rank growth stocks on evidence-based quality signals from end-of-day data; they are not buy/sell calls or price forecasts. Always do your own research.

Quantum-Si incorporated QSI

Mixed (early) Emerging Frontier sector · Quantum-Si — semiconductor protein sequencing, early commercial stage.

Key quality signals

Revenue growth (YoY)—

Gross margin—

Gross profits / assets0

Rule of 40-5246

Net margin-5199.8%

Cash runway (months)16.2

PEG—

P/S105.4

Risk flags

Burning cash — operating margin is negative.Heavy dilution (~19%/yr) — top-decile share issuers have historically underperformed.Parabolic one-day spike (+13%) in the last month — extreme single-day moves tend to mean-revert.

Insider & analyst context

Insider 90-day: 0 cluster buyer(s), 4 seller(s). Insider selling is routine diversification, not a bearish signal.
Analyst mix: 1 strong-buy / 4 buy / 2 hold / 0 sell. Ratings are context, not a price target.

Similar Emerging Frontier names

Centrus Energy Corp.BigBear.ai Holdings, Inc.Kratos Defense & Security Solutions, Inc.Nano Nuclear Energy IncOuster, Inc.SoundHound AI, Inc.

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Data as of 2026-06-09 22:43 (end-of-day). How grades are computed →