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Upstream Bio, Inc. (UPB) stock

UPBNasdaqPharmaceutical PreparationsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 10, 2026Score 8/30
$2.78−0.08 (-2.80%)

Close on Nov 13, 2026Market cap $152.26MP/E –Yield –

Upstream Bio cash

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

Upstream Bio's cash was $207.37M at Sep 30, 2026. For fiscal 2025 it was $341.51M, down 27.4% from the year before.

Annual cash

PeriodPeriod endValueChange
FY2025Dec 31, 2025$341.51M-27.4%
FY2024Dec 31, 2024$470.45M+328.4%
FY2023Dec 31, 2023$109.81M–

Quarterly cash

Change is against the same quarter a year earlier.

PeriodPeriod endValueChange
Q3 FY2026Sep 30, 2026$207.37M-44.3%
Q2 FY2026Jun 30, 2026$261.31M-33.6%
Q1 FY2026Mar 31, 2026$294.58M-31.7%
Q4 FY2025Dec 31, 2025$341.51M-27.4%
Q3 FY2025Sep 30, 2025$372.43M+68.8%
Q2 FY2025Jun 30, 2025$393.58M+731.5%
Q1 FY2025Mar 31, 2025$431.38M+1269.0%
Q4 FY2024Dec 31, 2024$470.45M+328.4%
Q3 FY2024Sep 30, 2024$220.66M+366.3%
Q2 FY2024Jun 30, 2024$47.34M–
Q1 FY2024Mar 31, 2024$31.51M–
Q4 FY2023Dec 31, 2023$109.81M–
Q3 FY2023Sep 30, 2023$47.32M–

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