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Spero Therapeutics, Inc. (SPRO) stock

SPRONasdaqPharmaceutical PreparationsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 12, 2026Score 6/30
$1.00−0.00 (-0.01%)

Close on Nov 13, 2026Market cap $58.23MP/E –Yield –

Spero Therapeutics cash

Cash and short-term investments held at the end of each period.

Spero Therapeutics's cash was $107.93M at Sep 30, 2026. For fiscal 2025 it was $40.27M, down 23.9% from the year before. Over ten years it grew 21.6% a year on average. The highest annual figure on record is $146.40M in fiscal 2021.

Annual cash

PeriodPeriod endValueChange
FY2025Dec 31, 2025$40.27M-23.9%
FY2024Dec 31, 2024$52.89M-30.7%
FY2023Dec 31, 2023$76.33M-30.0%
FY2022Dec 31, 2022$109.11M-25.5%
FY2021Dec 31, 2021$146.40M+15.4%
FY2020Dec 31, 2020$126.91M+54.7%
FY2019Dec 31, 2019$82.05M-28.9%
FY2018Dec 31, 2018$115.44M+32.3%
FY2017Dec 31, 2017$87.29M+742.1%
FY2016Dec 31, 2016$10.37M+82.1%
FY2015Dec 31, 2015$5.69M+2123.0%
FY2014Dec 31, 2014$256.00K–

Quarterly cash

Change is against the same quarter a year earlier.

PeriodPeriod endValueChange
Q3 FY2026Sep 30, 2026$107.93M+122.0%
Q2 FY2026Jun 30, 2026$50.77M+62.8%
Q1 FY2026Mar 31, 2026$56.13M+14.8%
Q4 FY2025Dec 31, 2025$40.27M-23.9%
Q3 FY2025Sep 30, 2025$48.62M-36.3%
Q2 FY2025Jun 30, 2025$31.19M-50.9%
Q1 FY2025Mar 31, 2025$48.89M-40.6%
Q4 FY2024Dec 31, 2024$52.89M-30.7%
Q3 FY2024Sep 30, 2024$76.29M-18.7%
Q2 FY2024Jun 30, 2024$63.53M-18.2%
Q1 FY2024Mar 31, 2024$82.27M-14.5%
Q4 FY2023Dec 31, 2023$76.33M-30.0%
Q3 FY2023Sep 30, 2023$93.83M+86.0%
Q2 FY2023Jun 30, 2023$77.69M+71.1%
Q1 FY2023Mar 31, 2023$96.25M-21.1%
Q4 FY2022Dec 31, 2022$109.11M-25.5%
Q3 FY2022Sep 30, 2022$50.45M-59.1%
Q2 FY2022Jun 30, 2022$45.40M-54.2%
Q1 FY2022Mar 31, 2022$121.97M+5.4%
Q4 FY2021Dec 31, 2021$146.40M+15.4%
Q3 FY2021Sep 30, 2021$123.42M-3.0%
Q2 FY2021Jun 30, 2021$99.22M+39.0%
Q1 FY2021Mar 31, 2021$115.68M+30.2%
Q4 FY2020Dec 31, 2020$126.91M+54.7%
Q3 FY2020Sep 30, 2020$127.24M+35.6%
Q2 FY2020Jun 30, 2020$71.36M-31.0%
Q1 FY2020Mar 31, 2020$88.84M-16.5%
Q4 FY2019Dec 31, 2019$82.05M-28.9%
Q3 FY2019Sep 30, 2019$93.86M-28.5%
Q2 FY2019Jun 30, 2019$103.41M+55.2%
Q1 FY2019Mar 31, 2019$106.39M+41.1%
Q4 FY2018Dec 31, 2018$115.44M+32.3%
Q3 FY2018Sep 30, 2018$131.23M+417.2%
Q2 FY2018Jun 30, 2018$66.64M+43.7%
Q1 FY2018Mar 31, 2018$75.39M+627.4%
Q4 FY2017Dec 31, 2017$87.29M–
Q3 FY2017Sep 30, 2017$25.37M–
Q1 FY2017Mar 31, 2017$46.39M–
Q4 FY2016Dec 31, 2016$10.37M–

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