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Spero Therapeutics, Inc. (SPRO) Revenue by Year

SPRO

Spero Therapeutics, Inc. generated $66.8M in revenue in fiscal year 2025. This represents an increase of 39.2% from the prior fiscal year. Over the trailing 12 months, Q3 FY2025 through Q2 FY2026, the same line adds up to $47.0M in revenue. The table below carries 11 fiscal years, from 2015 to 2025, and the quarters Spero Therapeutics, Inc. has filed alongside them.

FY2025 annual
Revenue $66.8M
YoY +39.2%
5Y CAGR +48.2%
Source SEC Filings (10-K/10-Q) Latest period Q2 FY2026, ended Jun 30, 2026 Reported Currency USD

Annual figures, oldest first. Point at a bar to read its period.

SPRO Revenue by Fiscal Year

Figures are as reported in USD. Each change compares the year with the year before it, and each column links to the filing it was taken from.

MetricTTMFY2510-KFY2410-KFY2310-KFY2210-KFY2110-KFY2010-KFY1910-KFY1810-KFY1710-KFY1610-KFY1510-K
Revenue$47.0M$66.8M+39.2%$48.0M-53.8%$103.8M+94.0%$53.5M+193.1%$18.3M+95.7%$9.3M-48.6%$18.1M+357.6%$4.0M+100.4%$2.0M+490.7%$335KN/A

TTM is the trailing twelve months, Q3 FY2025 through Q2 FY2026, summed from the four most recent quarterly filings.

SPRO Revenue by Quarter

Figures are as reported in USD. Each change compares the quarter with the same quarter a year earlier.

MetricQ2'2610-QQ1'2610-QQ4'2510-QQ3'2510-QQ2'2510-QQ1'2510-QQ4'2410-KQ3'2410-QQ2'2410-QQ1'2410-QQ4'2310-KQ3'2310-Q
Revenue$0-100.0%$258K-95.6%$41.3M+174.5%$5.4M-59.6%$14.2M+39.1%$5.9M-36.6%$15.0M-79.5%$13.5M-47.1%$10.2M+275.4%$9.3M+347.9%$73.5M+55.0%$25.5M+1169.8%

What revenue means

Revenue is everything the company billed its customers over the period, counted before any cost of running the business comes out of it.

More Spero Therapeutics, Inc. financials

Frequently Asked Questions

What was Spero Therapeutics, Inc.'s revenue in fiscal year 2025?

Spero Therapeutics, Inc. generated $66.8M in revenue in fiscal year 2025.

How fast is Spero Therapeutics, Inc.'s revenue growing?

Spero Therapeutics, Inc. (SPRO) revenue rose by 39.2% year over year, from $48.0M to $66.8M in fiscal year 2025.

What is Spero Therapeutics, Inc.'s revenue over the last twelve months?

Spero Therapeutics, Inc. (SPRO) reported $47.0M in revenue over the trailing 12 months, Q3 FY2025 through Q2 FY2026, summed from the four most recent quarterly filings.

Spero Therapeutics, Inc. (SPRO) reported $0 in revenue in Q2 2026. This represents a decrease of 100.0% from the same quarter a year earlier.

Revenue is everything the company billed its customers over the period, counted before any cost of running the business comes out of it. This page lists what Spero Therapeutics, Inc. (SPRO) reported on that line in every period on record.