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Quantum-SiQSI -1.01%32 EV-to-EBITDA is -0.66 as of Sep. 05, 2026. GuruFocus rates QSI with a GF Score™ of 32/100 and a GF Value™ of $0.71 (Fairly Valued). The stock has 3 warning signs investors should review. Among 515 Medical Devices & Instruments companies, Quantum-Si ranks worse than 194174.56% on this metric.
EV-to-EBITDA is calculated as enterprise value divided by its EBITDA. As of today, Quantum-Si's enterprise value is $59.55 Mil.
Quantum-Si's EBITDA for the trailing twelve months (TTM) ended in Jun. 2026 was $-90.37 Mil. Therefore, Quantum-Si's EV-to-EBITDA for today is -0.66.
The historical rank and industry rank for Quantum-Si's EV-to-EBITDA or its related term are showing as below:
QSI'
s EV-to-EBITDA Range Over the Past 10 Years
Min: -4.16 Med: -0.18 Max: 0.95
Current: -0.66
During the past 7 years, the highest EV-to-EBITDA of Quantum-Si was 0.95. The lowest was -4.16. And the median was -0.18.
QSI's EV-to-EBITDA is ranked worse than 100% of 515
companies
in the Medical Devices & Instruments industry
Industry Median: 14.26
vs QSI: -0.66
EV-to-EBITDA is a valuation multiple used in finance and investment to measure the value of a company. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio to determine the fair market value of a company.
EV-to-EBITDA is a valuation multiple used in finance and investment to measure the value of a company. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.
Quantum-Si's share price for today is $0.7677.
Quantum-Si's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $-0.460.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Study has found that the companies with the lowest EV-to-EBITDA outperforms companies measured as cheap by other ratios such as PE Ratio (TTM).
The historical data trend for Quantum-Si's EV-to-EBITDA can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Medical Devices subindustry, Quantum-Si's EV-to-EBITDA, along with its competitors' market caps and EV-to-EBITDA data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Quantum-Si EV-to-EBITDA vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Quantum-Si's EV-to-EBITDA distribution charts can be found below:
* The bar in red indicates where Quantum-Si's EV-to-EBITDA falls into.
Quantum-Si's current Enterprise Value is $59.55 Mil.
Quantum-Si's EBITDA for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $-90.37 Mil.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Quantum-Si (QSI) has a EV-to-EBITDA of -0.66 as of Sep. 05, 2026. EV to EBITDA ratio is the company's enterprise value divided by earnings before interest, taxes, depreciation and amortization. View historical data on Quantum-Si. According to the industry distribution chart, Quantum-Si ranks #999999 out of 515 companies in the Medical Devices & Instruments industry.
Is Quantum-Si's EV-to-EBITDA too high?
Quantum-Si's current EV-to-EBITDA is -0.66. Based on the distribution chart, Quantum-Si ranks #999999 out of 515 companies in the Medical Devices & Instruments industry, which is in the bottom quartile relative to peers. Overall, Quantum-Si has a GF Score™ of 32/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Quantum-Si's EV-to-EBITDA compare to LUCD and INGN?
According to the Medical Devices & Instruments industry distribution chart, Quantum-Si ranks #999999 out of 515 companies for EV-to-EBITDA. This places Quantum-Si in the lower half of its industry. The industry median EV-to-EBITDA is 14.26. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EV-to-EBITDA for a Medical Devices & Instruments company?
The median EV-to-EBITDA among Medical Devices & Instruments companies is 14.26, based on 515 companies in the industry. Companies in the top quartile (top 25%) have a EV-to-EBITDA significantly above this median, while those in the bottom quartile fall well below. However, EV-to-EBITDA should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high EV-to-EBITDA mean?
A high EV-to-EBITDA can signal that a stock is expensive relative to its fundamentals. EV to EBITDA ratio is the company's enterprise value divided by earnings before interest, taxes, depreciation and amortization. View historical data on Quantum-Si. For the Medical Devices & Instruments industry, the median EV-to-EBITDA is 14.26 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Quantum-Si's current EV-to-EBITDA is -0.66. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Quantum-Si stock overvalued right now?
Based on GuruFocus' analysis, Quantum-Si (QSI) is currently considered Fairly Valued. The stock's GF Value™ is $0.71, compared to a current price of $0.77 — trading 8.1% above its estimated fair value. The current EV-to-EBITDA is -0.66. Quantum-Si's overall GF Score™ is 32/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EV-to-EBITDA calculated?
EV-to-EBITDA is calculated from a company's financial statements. For Quantum-Si (QSI), the current EV-to-EBITDA is -0.66 as of Sep. 05, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Quantum-Si (QSI) Overvalued in 2026?
Based on GuruFocus' analysis, Quantum-Si stock appears to be overvalued.
The current stock price of $0.77 is trading 8.1% above its estimated GF Value™ of $0.71.
GuruFocus considers Quantum-Si to be Fairly Valued.
Key valuation signals for QSI:
EV-to-EBITDA: -0.66
GF Value™: $0.71 vs. price of $0.77 (8.1% above fair value)
No single metric tells the full story. See the QSI stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Quantum-Si Inc is a life sciences company focused on proteomics research and analytical technologies. It develops single-molecule detection platforms designed to enable next-generation protein sequencing (NGPS) and large-scale protein analysis. Its technology supports massively parallel sequencing of proteins and can also be applied to the study of nucleic acids, providing tools for researchers and clinical applications in molecular analysis. The company's revenue is derived from sales of products and services.
32GF Score
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