Score Overview
PeriodNet IncomeRevenueScoreGrowthTrendConsistencyGrowthTrendConsistency
5 Years
7.2
116.97%
80%
—
17x
60%
—
5 Years
Score7.2
Net Growth116.97%
Net Trend80%
Net Income Consistency—
Rev Growth17x
Rev Trend60%
Revenue Consistency—
Spero Therapeutics Inc fundamental performance
Between 2020 and 2025, revenue grew from $ 9M to $ 59M and net income went from -$ 77M to $ 8M. Revenue increased in 3 of those 5 years; net income in 4.
Across Spero Therapeutics Inc's full reported history, from 2017 to 2025, revenue grew from $ 1M to $ 59M and net income went from -$ 46M to $ 8M. Revenue increased in 67% of the years measured; net income in 56%.
Spero Therapeutics Inc currently holds a 5-year HDB Score of 7.2 out of 10. How the HDB Score is calculated.
Net Income x Stock Price
Historical Returns
| Period | Price | Return |
|---|---|---|
Last Price2026-08-12 | $ 1.19 | — |
1 Year2025-08-12 | $ 2.36 | -49.58% |
5 Years2021-08-12 | $ 13.83 | -91.40% |
All Time2017-11-02 | $ 11.50 | -89.65% |
| Period | Last Price2026-08-12 | 1 Year2025-08-12 | 5 Years2021-08-12 | All Time2017-11-02 |
|---|---|---|---|---|
| Price | $ 1.19 | $ 2.36 | $ 13.83 | $ 11.50 |
| Return | — | -49.58% | -91.40% | -89.65% |
Prices are split & dividend adjusted. All values are reported in USD.
Fundamental Data
| Year | |||
|---|---|---|---|
| 2026 | $ 54M | $ 15M | $ 56M |
| 2025 | $ 59M | $ 8M | $ 40M |
| 2024 | $ 47M | -$ 68M | $ 52M |
| 2023 | $ 103M | $ 22M | $ 76M |
| 2022 | $ 48M | -$ 46M | $ 109M |
| 2021 | $ 3M | -$ 89M | $ 146M |
| 2020 | $ 9M | -$ 77M | $ 126M |
| 2019 | $ 4M | -$ 60M | $ 82M |
| 2018 | $ 3M | -$ 41M | $ 115M |
| IPO2017 | $ 1M | -$ 46M | $ 87M |
Explore beyond SPRO
You're looking at Spero Therapeutics Inc. Members apply the same fundamental framework across all 3,860 companies we cover.
- Every HDB Score — 1, 5, 10, 20 and 30 years, plus all-time
- Revenue and Net Income Consistency for every period
- Rank all 3,860 companies by any metric, not just three
- Filter by sector and currency, and page through the whole list
- Track your holdings in a portfolio
$99/year $149 founding price
Unlock Holder Dashboard30-day money-back guarantee.
