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, averaging a -86.9% surprise over the last 4. A consistent beat record suggests management guides conservatively and the business has predictable momentum, which tends to support the stock through earnings season.
How does GBIO stock react to earnings?
GBIO has moved an average of -1.5% the day after earnings over its last 1 reports, finishing higher after 0 of them. Next-day moves show how the market digests results in the short term, and repeated dips on strong reports usually mean expectations were already priced in.
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 up -256.5%. Reading revenue growth alongside margins shows whether that growth is translating into profit.