GBIO
Generation Bio Co
NASDAQ: GBIO · HEALTHCARE · BIOTECHNOLOGY
$5.34
+0.00% today
Updated 2026-02-09
Market cap
$35.98M
P/E ratio
—
P/S ratio
2.36x
EPS (TTM)
$-9.37
Dividend yield
—
52W range
$3 – $7
Volume
0.1M
Generation Bio Co (GBIO) Earnings
Quarterly earnings history, analyst estimates, and stock price reaction.
EPS beat streak
2 of 8
Last 8 quarters
Avg EPS surprise
-86.9%
Last 4 quarters
Revenue YoY growth
-78.9%
Most recent quarter
EPS YoY growth
-256.5%
Most recent quarter
Earnings surprise history (last 12 quarters)
Beat estimate Missed estimate
Quarterly EPS and revenue trend
Quarterly revenue EPS (diluted)
How the stock reacts to earnings
Avg 1-day reaction
-1.5%
Last 1 reports
Positive reaction rate
0%
0 of 1 quarters
Largest single-day move
-1.5%
2025-11-06
| Report date | EPS actual | Surprise | Close before | Close after | 1-day reaction |
|---|---|---|---|---|---|
| 2025-11-06 | $-0.82 | -192.9% | $5.19 | $5.11 | -1.5% |
Quarterly earnings history
| Fiscal quarter ending | EPS estimate | EPS actual | Surprise | Revenue | YoY revenue |
|---|---|---|---|---|---|
| 2025-09-30 | $-0.28 | $-0.82 | -192.9% | $1.59M | -78.9% |
| 2025-06-30 | $-0.28 | $-3.12 | -1021.1% | $765000.00 | -81.3% |
| 2025-03-31 | $-0.41 | $-0.20 | +50.3% | $8.72M | +114.9% |
| 2024-12-31 | $-0.25 | $-0.27 | -5.0% | $4.19M | +45.5% |
| 2024-09-30 | $-0.28 | $-0.23 | +17.9% | $7.55M | +252.0% |
| 2024-06-30 | $-0.28 | $-0.31 | -10.7% | $4.09M | +364.9% |
| 2024-03-31 | $-0.41 | $-1.12 | -173.2% | $4.06M | — |
| 2023-12-31 | $-0.45 | $-0.53 | -17.8% | $2.88M | — |
| 2023-09-30 | $-0.50 | $-0.43 | +14.0% | $2.15M | — |
| 2023-06-30 | $-0.50 | $-0.47 | +6.0% | $880000.00 | — |
| 2023-03-31 | $-0.46 | $-0.53 | -15.2% | — | — |
| 2022-12-31 | $-0.58 | $-0.55 | +5.2% | — | — |
Frequently asked questions
Has Generation Bio Co beaten earnings estimates?
Generation Bio Co has beaten Wall Street EPS estimates in 2 of its last 8 quarterly reports, with an average EPS surprise of -86.9% over the last 4 quarters.
How does GBIO stock react to earnings?
GBIO stock has moved an average of -1.5% in the trading day following earnings over its last 1 reports, with positive reactions in 0% of those quarters.
What is Generation Bio Co's revenue growth rate?
Generation Bio Co reported year-over-year revenue growth of -78.9% in its most recent quarter, with EPS growing -256.5% year-over-year.