SPRO (Spero Therapeutics) Revenue: $54.77 Mil (TTM As of Mar. 2026)


SPRO Spero Therapeutics Inc SPRO
55 GF Score
Price $2.26
GF Value $1.06
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Spero Therapeutics Revenue?

Spero Therapeutics SPRO +11.88% 55 Revenue is $54.77 Mil as of Mar. 2026. GuruFocus rates SPRO with a GF Score™ of 55/100 and a GF Value™ of $1.06 (Significantly Overvalued). The stock has 4 warning signs investors should review.

Spero Therapeutics's revenue for the three months ended in Mar. 2026 was $0.26 Mil. Its revenue for the trailing twelve months (TTM) ended in Mar. 2026 was $54.77 Mil. Spero Therapeutics's Revenue per Share for the three months ended in Mar. 2026 was $0.01. Its Revenue per Share for the trailing twelve months (TTM) ended in Mar. 2026 was $0.85.

Warning Sign:

Spero Therapeutics Inc revenue per share has been in decline over the past 3 years.

During the past 12 months, the average Revenue per Share Growth Rate of Spero Therapeutics was 63.10% per year. During the past 3 years, the average Revenue per Share Growth Rate was -7.90% per year. During the past 5 years, the average Revenue per Share Growth Rate was 118.80% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get other companies' revenue growth rate using Revenue per Share data.

During the past 11 years, Spero Therapeutics's highest 3-Year average Revenue per Share Growth Rate was 433.90% per year. The lowest was -7.90% per year. And the median was 71.45% per year.


Spero Therapeutics  (NAS:SPRO) Revenue Explanation

In ranking the predictability, companies with more consistent revenue and earnings growth are ranked high with predictability.

Peter Lynch categorized companies according to their revenue growth:


Slow Grower: Inflation < 10-Year Revenue Growth Rate < 10%:
Stalwart: 10% < 10-Year Revenue Growth Rate < 20%:
Fast Grower: 10-Year Revenue Growth Rate > 20%:

His favorite companies are stalwart, those growing between 10-20% a year.

Companies in cyclical industries may see their revenue fluctuate wildly in good years and bad years.


Be Aware

Revenue can be manipulated by changing the way how revenue is booked. Companies may book sales before the payment is received, or before the revenue is fully earned. These will be added to balance sheet items such as account payable or account receivables.


Spero Therapeutics Revenue Related Terms


Spero Therapeutics Revenue Historical Data

* Premium members only.

The historical data trend for Spero Therapeutics's Revenue 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 Revenue Chart

Spero Therapeutics Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Revenue
Get a 7-Day Free Trial Premium Member Only Premium Member Only 3.07 48.58 96.74 27.40 59.62

Spero Therapeutics Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Revenue 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 5.11 11.80 3.05 39.66 0.26

SPRO vs ORMP, PLYX, HRTX: Revenue Comparison

For the Biotechnology subindustry, Spero Therapeutics's Revenue, along with its competitors' market caps and Revenue 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 Revenue vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Spero Therapeutics's Revenue distribution charts can be found below:

* The bar in red indicates where Spero Therapeutics's Revenue falls into.


SPRO
55GF Score
Spero Therapeutics Inc SPRO
Revenue is just one metric. See GF Score™, valuation, warning signs, and more.
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Spero Therapeutics Revenue Calculation

Also referred as sales, revenue is income that a company receives from its normal business activities, usually from the sale of goods and services to customers. Revenue is often referred to as the "top line" due to its position on the income statement at the very top.

Revenue 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 $54.77 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 Revenue →
What does a Revenue of $54.77 Mil mean?
Spero Therapeutics (SPRO) has a Revenue of $54.77 Mil as of Mar. 2026. Revenue is the total amount a company generates as sales through its operations. View historical data on Spero Therapeutics and its competitors.
Is Spero Therapeutics' Revenue too high?
Spero Therapeutics' current Revenue is $54.77 Mil. Overall, Spero Therapeutics has a GF Score™ of 55/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Spero Therapeutics' Revenue compare to ORMP and PLYX?
Spero Therapeutics' Revenue of $54.77 Mil can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Revenue for a Biotechnology company?
A good Revenue depends on the Biotechnology industry context. However, Revenue 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 Revenue mean?
A high Revenue can signal that a stock is expensive relative to its fundamentals. Revenue is the total amount a company generates as sales through its operations. View historical data on Spero Therapeutics and its competitors. Spero Therapeutics's current Revenue is $54.77 Mil. 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 (SPRO) is currently considered Significantly Overvalued. The stock's GF Value™ is $1.06, compared to a current price of $2.26 — trading 113.2% above its estimated fair value. The current Revenue is $54.77 Mil. Spero Therapeutics' overall GF Score™ is 55/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Revenue calculated?
Revenue is calculated from a company's financial statements. For Spero Therapeutics (SPRO), the current Revenue is $54.77 Mil as of Mar. 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 (SPRO) Overvalued in 2026?

Based on GuruFocus' analysis, Spero Therapeutics stock appears to be overvalued. The current stock price of $2.26 is trading 113.2% above its estimated GF Value™ of $1.06. GuruFocus considers Spero Therapeutics to be Significantly Overvalued.

Key valuation signals for SPRO:

  • Revenue: $54.77 Mil
  • GF Value™: $1.06 vs. price of $2.26 (113.2% above fair value)
  • GF Score™: 55/100 with 4 warning signs

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


Spero Therapeutics Business Description

Other Exchanges 2HA:Germany
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.
55GF Score

Get the complete analysis for SPRO

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

$2.26
Price
$1.06
GF Value