Generation Bio Co. (GBIO) Earnings History
Net Loss7 years of earnings data (2018–2024) · Currently unprofitable on a TTM basis
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Generation Bio Co. (GBIO) Earnings Overview
As of June 24, 2026, Generation Bio Co. (GBIO) reported trailing twelve-month net income of -$63M, reflecting -0.7% year-over-year growth. The company earned $-9.30 per diluted share over the past four quarters, with a net profit margin of -661.9%.
Looking at the long-term picture, GBIO's historical earnings data spans multiple years. The company achieved its highest annual net income of -$36M in fiscal 2018.
Generation Bio Co. is currently reporting a net loss, though operating performance should be evaluated in the context of growth investments and industry dynamics View revenue history →
Compared to peers including ARWR (-$301M net income, -0.2% margin), RCKT (-$209M net income), RARE (-$609M net income, -85.4% margin), GBIO has room to improve margins relative to the peer group. Compare GBIO vs ARWR →
GBIO Earnings vs Peers
Earnings metrics vs comparable public companies
GBIO Historical Earnings Data (2018–2024)
7 years| Fiscal Year | Net Income | YoY % | Operating Income | EPS (Diluted) | Net Margin | Op. Margin |
|---|---|---|---|---|---|---|
| 2024 | -$132M | -4.0% | -$142M | $-19.76 | -661.9% | -715.8% |
| 2023 | -$127M | +7.3% | -$139M | $-19.63 | -2144.5% | -2346.9% |
| 2022 | -$137M | -14.7% | -$141M | $-23.51 | - | - |
| 2021 | -$119M | -48.0% | -$119M | $-21.17 | - | - |
| 2020 | -$81M | -33.5% | -$81M | $-29.54 | - | - |
| 2019 | -$60M | -68.5% | -$62M | $-13.10 | - | - |
| 2018 | -$36M | - | -$37M | $-18.20 | -99452.8% | -103594.4% |
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GBIO — Frequently Asked Questions
Quick answers to the most common questions about buying GBIO stock.
What is GBIO earnings per share (EPS)?
GBIO trailing twelve-month (TTM) diluted EPS is $-9.30, reflecting -0.7% year-over-year growth. The 5-year EPS CAGR is N/A. Complete EPS history from 2018 to 2024 is available in the table on this page.
What is Generation Bio Co.'s net income?
Generation Bio Co. (GBIO) trailing twelve-month net income is $-63M as of 2024. Earnings declined -0.7% year-over-year.
Is GBIO profitable?
GBIO is not currently profitable on a TTM basis, reporting a net loss of $-63M. Net margin is -661.9%. Investors should monitor for a return to profitability.
What is GBIO's earnings growth rate?
GBIO compound annual EPS growth rates (CAGR): 1-Year: N/A, 3-Year: N/A, 5-Year: N/A, 10-Year: N/A. These figures measure the annualised rate of diluted EPS growth over each period, based on data from 2018 to 2024.
What are GBIO's profit margins?
Generation Bio Co. net profit margin is -661.9%, operating margin is -715.8%, and gross margin is +100.0%. Below-average margins reflect competitive or cost pressures. Return on Equity is -91.0%.
Is GBIO growing earnings?
GBIO earnings growth is slowing. Current YoY EPS growth of -0.7% trails the 5-year CAGR of N/A. TTM net income is $-63M.
What was GBIO's best earnings year?
Generation Bio Co.'s highest annual net income on record is $-36M, achieved in fiscal year 2018. Earnings history on this page spans 2018 to 2024 and includes all annual and quarterly figures.
What were GBIO's earnings last quarter?
GBIO's most recent reported quarter was Q3 2025. Net income was $-6M with diluted EPS of $-0.82. For a full breakdown of all quarters, see the quarterly earnings table on this page.