NASDAQ$UPB

Upstream Bio Inc · Q3 2025 earnings

Q3 2025 earnings ·

Briefing

Upstream Bio reported Q3 2025, revenue of $683K, a net loss of $33.7M.

For Q3 2025, Upstream Bio reported revenue of $683K, a net loss of $33.7M. Management discusses operating trends, liquidity, and priorities as disclosed in the filing.

  • Revenue $683K.
  • Net loss $33.7M.
  • Upstream Bio updated strategic and capital priorities in the filing.

Headline financials

Total Revenue

$683K

Previous: $607K+12.5%
EPS

-$0.63

Previous: -$6.96+90.9%
Capital Expenditures

-$111K

Previous: -$326K+66.0%
Free Cash Flow

-$33.9M

Previous: -$16.3M-107.5%
Net Income

-$33.7M

Previous: -$16M-111.0%
Operating Income

-$37.8M

Previous: -$18.9M-100.3%
Gross Profit

-$2.54M

No prior period

Revenue & EPS history

Upstream Bio Inc · Revenue · Quarterly

$683K

Q3 2025+12.5%vs Q3 2024
Beat estimate in 1 of 1 quarters(100%)
ActualEstimate

Forward guidance

The filing discusses Upstream Bio's outlook, capital deployment, and key risks without relying solely on numeric EPS guidance.

Tailwinds

  • Upstream Bio cites execution on strategic priorities in the filing.
  • Balance sheet and liquidity support continued operations.
  • Pipeline milestones and cash runway remain key value drivers.

Headwinds

  • GAAP profitability remained under pressure in the quarter.
  • Macro, competitive, and cost pressures may affect margins.
  • Segment mix and one-time items can affect comparability.
  • Clinical-stage or pre-commercial spend continues ahead of revenue scale.

Historical earnings impact

How earnings announcements have historically affected this stock's price.

Avg. return before/after earnings

Based on 3 quarterly earnings reports · overlaid with Q3 2025

Historical avgQ3 2025

+0.8%

Avg return

Earnings day

-2.0%

Avg return

5 days after

+4.5%

Avg return

30 days after

67%

4 / 6 earnings

Positive

+7.9%

Q2 2025

Best reaction

-5.4%

Q1 2025

Worst reaction

Earnings price reactions
QuarterReport dateReaction (Day 0)+5 days+30 days
Q4 2025+0.5%-8.4%
Q1 2026+4.7%-5.3%-31.9%
Q3 2025-4.3%-6.2%+10.8%
Q2 2025+7.9%+7.0%+28.8%
Q1 2025-5.4%+1.6%+24.8%
Q3 2024+1.7%-0.7%-10.3%

Discussion

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