Spero Therapeutics (STU:2HA) EV-to-FCF: 10.62 (As of Jul. 03, 2026)


STU:2HA Spero Therapeutics Inc STU:2HA
44 GF Score
Price €1.90
GF Value €0.91
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Spero Therapeutics EV-to-FCF?

Spero Therapeutics STU:2HA -1.81% 44 EV-to-FCF is 10.62 as of Jul. 03, 2026. GuruFocus rates STU:2HA with a GF Score™ of 44/100 and a GF Value™ of €0.91 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 332 Biotechnology companies, Spero Therapeutics ranks better than 59.64% on this metric.

EV-to-FCF is calculated as enterprise value divided by its free cash flow. As of today, Spero Therapeutics's Enterprise Value is €64.74 Mil. Spero Therapeutics's Free Cash Flow for the trailing twelve months (TTM) ended in Mar. 2026 was €6.09 Mil. Therefore, Spero Therapeutics's EV-to-FCF for today is 10.62.

The historical rank and industry rank for Spero Therapeutics's EV-to-FCF or its related term are showing as below:

STU:2HA' s EV-to-FCF Range Over the Past 10 Years
Min: -11.05   Med: -1.76   Max: 15.13
Current: 10.06

During the past 11 years, the highest EV-to-FCF of Spero Therapeutics was 15.13. The lowest was -11.05. And the median was -1.76.

STU:2HA's EV-to-FCF is ranked better than
59.64% of 332 companies
in the Biotechnology industry
Industry Median: 16.26 vs STU:2HA: 10.06

EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. 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.

As of today (2026-07-03), Spero Therapeutics's stock price is €1.903. Spero Therapeutics's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Mar. 2026 was €0.204. Therefore, Spero Therapeutics's PE Ratio (TTM) for today is 9.33.


Spero Therapeutics  (STU:2HA) EV-to-FCF Explanation

EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. 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.

Spero Therapeutics's PE Ratio (TTM) for today is calculated as:

PE Ratio (TTM)=Share Price (Today)/Earnings per Share (Diluted) (TTM)
=1.903/0.204
=9.33

Spero Therapeutics's share price for today is €1.903.
Spero Therapeutics's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €0.204.

* 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.

Enterprise Value is used because it is a more complete measure in reflecting how much an investor pays when buying a company. Free Cash Flow is an important financial metric because it represents the actual amount of cash at a company's disposal. Companies with a low EV-to-FCF ratio, combined with a strong balance sheet are generally considered as undervalued.


Spero Therapeutics EV-to-FCF Related Terms


Spero Therapeutics EV-to-FCF Historical Data

* Premium members only.

The historical data trend for Spero Therapeutics's EV-to-FCF 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.

Spero Therapeutics EV-to-FCF Chart

Spero Therapeutics Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
EV-to-FCF
Get a 7-Day Free Trial Premium Member Only Premium Member Only -5.90 1.51 -0.22 -0.33 -7.45

Spero Therapeutics Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
EV-to-FCF Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.14 -4.19 -2.19 -7.45 11.30

STU:2HA vs VXRT, ADCT, GNLX: EV-to-FCF Comparison

For the Biotechnology subindustry, Spero Therapeutics's EV-to-FCF, along with its competitors' market caps and EV-to-FCF 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.


Spero Therapeutics EV-to-FCF vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Spero Therapeutics's EV-to-FCF distribution charts can be found below:

* The bar in red indicates where Spero Therapeutics's EV-to-FCF falls into.


STU:2HA
44GF Score
Spero Therapeutics Inc STU:2HA
EV-to-FCF is just one metric. See GF Score™, valuation, warning signs, and more.
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Spero Therapeutics EV-to-FCF Calculation

Spero Therapeutics's EV-to-FCF for today is calculated as:

EV-to-FCF=Enterprise Value (Today)/Free Cash Flow (TTM)
=64.742/6.094
=10.62

Spero Therapeutics's current Enterprise Value is €64.74 Mil.
Spero Therapeutics's Free Cash Flow for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €6.09 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.

Frequently Asked Questions Learn more about EV-to-FCF →
What does a EV-to-FCF of 10.62 mean?
Spero Therapeutics (STU:2HA) has a EV-to-FCF of 10.62 as of Jul. 03, 2026. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on Spero Therapeutics and its competitors. According to the industry distribution chart, Spero Therapeutics ranks #134 out of 332 companies in the Biotechnology industry, placing it in the top 40.4%.
Is Spero Therapeutics' EV-to-FCF too high?
Spero Therapeutics' current EV-to-FCF is 10.62. The Biotechnology industry median EV-to-FCF is 16.26. Spero Therapeutics' value of 10.62 is 34.7% below this industry median. Based on the distribution chart, Spero Therapeutics ranks #134 out of 332 companies in the Biotechnology industry, which is above the industry midpoint. Overall, Spero Therapeutics has a GF Score™ of 44/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Spero Therapeutics' EV-to-FCF compare to VXRT and ADCT?
According to the Biotechnology industry distribution chart, Spero Therapeutics ranks #134 out of 332 companies for EV-to-FCF. This puts Spero Therapeutics in the upper half of its industry. The industry median EV-to-FCF is 16.26. Spero Therapeutics' value of 10.62 is 34.7% below this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EV-to-FCF for a Biotechnology company?
The median EV-to-FCF among Biotechnology companies is 16.26, based on 332 companies in the industry. Companies in the top quartile (top 25%) have a EV-to-FCF significantly above this median, while those in the bottom quartile fall well below. However, EV-to-FCF should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Spero Therapeutics's current EV-to-FCF of 10.62 is 34.7% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high EV-to-FCF mean?
A high EV-to-FCF can signal that a stock is expensive relative to its fundamentals. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on Spero Therapeutics and its competitors. For the Biotechnology industry, the median EV-to-FCF is 16.26 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Spero Therapeutics's current EV-to-FCF is 10.62. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Spero Therapeutics stock overvalued right now?
Based on GuruFocus' analysis, Spero Therapeutics (STU:2HA) is currently considered Significantly Overvalued. The stock's GF Value™ is €0.91, compared to a current price of €1.90 — trading 109.1% above its estimated fair value. The current EV-to-FCF is 10.62 and 34.7% below the Biotechnology industry median of 16.26. Spero Therapeutics' overall GF Score™ is 44/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EV-to-FCF calculated?
EV-to-FCF is calculated from a company's financial statements. For Spero Therapeutics (STU:2HA), the current EV-to-FCF is 10.62 as of Jul. 03, 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 Spero Therapeutics (STU:2HA) Overvalued in 2026?

Based on GuruFocus' analysis, Spero Therapeutics stock appears to be overvalued. The current stock price of €1.90 is trading 109.1% above its estimated GF Value™ of €0.91. GuruFocus considers Spero Therapeutics to be Significantly Overvalued.

Key valuation signals for STU:2HA:

  • EV-to-FCF: 10.62
  • GF Value™: €0.91 vs. price of €1.90 (109.1% above fair value)
  • GF Score™: 44/100 with 4 warning signs
  • Industry Position: 34.7% below the Biotechnology median (#134 of 332)

No single metric tells the full story. See the STU:2HA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Spero Therapeutics Business Description

Other Exchanges SPRO:USA
Address 675 Massachusetts Avenue, 14th Floor, Cambridge, MA, USA, 02139
Spero Therapeutics Inc is a clinical-stage biopharmaceutical firm. It focuses on identifying, developing, and commercializing novel treatments for MDR (Multi-drug-resistant) bacterial infections and rare diseases. The company's product candidate, tebipenem pivoxil hydrobromide or tebipenem HBr, is designed to be an oral carbapenem-class antibiotic for use in adults to treat MDR Gram-negative infections. It is also developing SPR720, a novel oral antibiotic designed for the treatment of a rare, orphan disease caused by pulmonary non-tuberculous mycobacterial infections, or NTM disease. It is also focused on SPR206, a next-generation polymyxin investigational product candidate being developed as an IV-administered medicine to treat MDR Gram-negative infections in the hospital.
44GF Score

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EV-to-FCF is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€1.90
Price
€0.91
GF Value