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Upstream Bio, Inc. UPB

Nasdaq · XNAS · stock · Pharmaceutical Preparations · website · IPO 2024-10-11

Upstream Bio, Inc. statistics & valuation

Market cap$322.2M
P / B0.9×

Market cap as of 2026-06-29. Multiples are price-derived and refreshed daily; everything else is from filings.

Key ratios (by fiscal year)

RatioFY2025FY2024FY2023
Operating margin-5618.8%-3281.2%-1685.5%
Net margin-5026.0%-2650.0%-862.9%
FCF margin-4675.5%-2518.3%-1599.6%
Return on assets-40.5%-13.0%-17.5%
Return on equity-42.2%-13.4%16.7%
Current ratio26.1544.6317.96
Revenue growth20.4%-0.4%

Source: SEC EDGAR filings · CIK 0002022626 · as of 2025-12-31. Facts from filings plus Stocktoria's own computed scores — not investment advice.