Lexeo Therapeutics, Inc. Common Stock (LXEO) vs Upstream Bio, Inc. (UPB)

A side-by-side comparison of Lexeo Therapeutics, Inc. Common Stock and Upstream Bio, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

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Total return — LXEO vs UPB

growth of $100 · dividends reinvested · last 2y
LXEO -58.4% (-35.5%/yr)UPB -78.0% (-53.0%/yr)LXEO compounded faster over this window
50100150Start $10020252026$42$22
LXEO UPB

LXEO vs UPB: by the numbers

  • •LXEO is the larger company ($259M vs $250M market cap).
  • •Both run net losses; LXEO's is the smaller (0.00% vs -4955.67% net margin).

Metrics side by side

Valuation

MetricLXEOUPB
P/S ratioN/A79.10
P/B ratio1.100.92

Profitability

MetricLXEOUPB
Gross margin0.00%98.45%
Operating margin0.00%-5618.82%
Net margin0.00%-4955.67%
ROE-37.12%-57.76%
ROIC-39.76%-62.51%

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.