Quantum-Si
QSI | NASDAQ
$0.76
+$0.01 (+2.00%)
At close: Sep 21, 2026, 4:00 PM ET
$0.76
$0 (-0.64%)
Pre-market:
Sep 22, 2026, 5:42 AM ET
Market Data
Market Cap $147.4M
Enterprise Value $41.05M
Beta 3.25
Average Volume 4.64M
Shares Outstanding (Diluted) 217.14M
Shares Change YoY 18.61%
Institutional Ownership 29.16%
Exchange NASDAQ
ISIN US74765K1051
Price Performance
Price Change 1M -5.0%
Price Change 3M -13.6%
Price Change 6M -12.1%
Price Change YTD -34.5%
Price Change 1Y -55.3%
Price Change 3Y -61.6%
Price Change 5Y -91.4%
1M CAGR (ann.) -1.3%
1Y CAGR (ann.) -40.9%
5Y CAGR (ann.) -39.2%
All-Time CAGR -35.7%
Valuation
PE Ratio -1.65
Forward PE N/A
PEG Ratio -0.04
Forward PEG 0.09
PS Ratio 93.17
Forward PS 25.80
PB Ratio 0.83
P/FCF Ratio -1.60
P/Adj. FCF Ratio -1.43
P/OCF Ratio -1.81
EV/Sales 25.57
EV/EBIT -0.59
EV/EBITDA -0.45
EV/FCF -0.44
Earnings Yield -60.5%
FCF Yield -62.6%
Adj. FCF Yield -70.1%
Financial Health
Net Cash $108.49M
Total Debt $3.25M
Cash & Short-Term Investments $-37K
Total Assets $-37K
Current Ratio 9.97
Quick Ratio 9.97
Debt / Equity Ratio 0.02
Debt / EBITDA -0.04
Debt / FCF -0.03
OCF / Debt -28.42
Interest Coverage 0.00
Altman Z-Score 0.00
Piotroski F-Score 1
Margins & Profitability
Gross Profit Margin 35.0%
Operating Profit Margin -5929.7%
EBITDA Margin -5734.4%
Net Profit Margin -6138.3%
FCF Margin -5837.3%
Adj. FCF Margin -6530.7%
SBC / Revenue 693.5%
SBC Impact (per share) -11.9%
Returns
Return on Assets -50.9%
Return on Equity -47.1%
Return on Invested Capital -51.8%
Return on Capital Employed -52.4%
Return on Tangible Assets -50.9%
Historical Growth (CAGR)
Revenue CAGR 3Y 51.8%
Revenue CAGR 5Y 42.9%
Revenue CAGR 10Y N/A
EPS CAGR 3Y 14.4%
EPS CAGR 5Y 12.6%
EPS CAGR 10Y N/A
FCF CAGR 3Y -3.4%
FCF CAGR 5Y 1.1%
FCF CAGR 10Y N/A
Analyst Forecasts
Analyst Rating Buy
Analyst Count 2
EPS Growth Next 3Y 20.3%
Revenue Growth Next 3Y 229.4%
Earnings Date Nov 3, 2026
EPS Estimate (next Q) -$0.13
EPS Growth Est (next Q) -23.5%
Revenue Est (next Q) $280K
Revenue Growth Est (next Q) -49.3%
Fair Value Estimates
Graham Number N/A
Graham Upside N/A
Lynch Fair Value N/A
Lynch Upside N/A
Price Target $1.90
Price Target Upside 150.0%
Cash Flow
Operating Cash Flow $-92.45M
Free Cash Flow $-93.69M
Adj. Free Cash Flow $-104.82M
FCF Per Share -$0.43
OCF Per Share -$0.42
OCF/S Ratio -5760.0%
Income Statement
Revenue $1.61M
Gross Profit $562K
Operating Income $-95.17M
EBITDA $-90.49M
Net Income $-98.52M
EPS (Diluted) -$0.46
Revenue / Employee $11.07K
Profit / Employee $-679.44K
Employees 145
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