NASDAQ$GBIO
Generation Bio Co · Q3 2025 earnings
Q3 2025 earnings · · After market close · Investor relations
Briefing
GBIO Q3 2025 — $7.5M revenue
Quarterly Report and our most recent Annual Report on Form 10-K, or our 2024 Annual Report, filed with the Securities and Exchange Commission, or SEC, that we believe could cause actual results or eve. Generation Bio Co reported Q3 2025 results. Headline numbers extracted from the Form 10-Q press release; narrative is light because this row was processed without an LLM call.
- Revenue: $7.5M.
- Filed on Form 10-Q (accession 0001104659-25-107006).
Headline financials
Revenue & EPS history
Generation Bio · Revenue · Quarterly
$1.59M
Revenue by segment
Generation Bio · $2.15M total across 1 segment · Q3 2023
- Collaboration revenue$2.15M—100.0%
Historical earnings impact
How earnings announcements have historically affected this stock's price.
Avg. return before/after earnings
Based on 12 quarterly earnings reports · overlaid with Q3 2025
+3.8%
Avg return
Earnings day
+5.9%
Avg return
5 days after
+8.6%
Avg return
30 days after
43%
10 / 23 earnings
Positive
+61.7%
Q2 2025
Best reaction
-19.7%
Q1 2022
Worst reaction
| Quarter | Report date | Reaction (Day 0) | +5 days | +30 days |
|---|---|---|---|---|
| Q4 2025 | — | — | — | |
| Q3 2025 | -3.3% | +11.0% | +2.7% | |
| Q2 2025 | +61.7% | +62.0% | +46.9% | |
| Q1 2025 | +4.5% | +0.4% | +4.0% | |
| Q4 2024 | -3.7% | -14.3% | -9.5% | |
| Q3 2024 | +8.7% | -0.5% | -40.8% | |
| Q2 2024 | -2.0% | -3.7% | -10.2% | |
| Q1 2024 | +18.4% | +16.4% | +1.9% | |
| Q4 2023 | +3.1% | +11.5% | +39.4% | |
| Q3 2023 | -1.7% | +7.7% | +46.2% | |
| Q2 2023 | -5.3% | -7.0% | +6.8% | |
| Q1 2023 | -5.0% | -2.7% | +0.4% | |
| Q4 2022 | -8.4% | -10.0% | +15.5% | |
| Q3 2022 | +12.2% | — | — | |
| Q2 2022 | +7.7% | — | — | |
| Q1 2022 | -19.7% | — | — | |
| Q4 2021 | +21.1% | — | — | |
| Q3 2021 | -1.5% | — | — | |
| Q2 2021 | -6.2% | — | — | |
| Q1 2021 | +0.3% | — | — | |
| Q4 2020 | -0.9% | — | — | |
| Q3 2020 | +8.5% | — | — | |
| Q4 2019 | -0.5% | — | — | |
| Q2 2020 | -0.5% | — | — | |
| Q1 2020 | — | — | — | |
| Q3 2019 | — | — | — | |
| Q2 2019 | — | — | — | |
| Q1 2019 | — | — | — |
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