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Generation Bio Co. Financials

GBIO
Source SEC Filings (10-K/10-Q) Data as of Sep 30, 2025 Currency USD FYE December

This page shows Generation Bio Co. (GBIO) financial statements, including the income statement, balance sheet, cash flow statement, and key financial ratios. View 6 years of annual fundamentals and quarterly data, with year-over-year growth rates and compound annual growth rates (CAGR). All figures are derived from SEC filings (10-K and 10-Q reports).

Rhea AI GBIO FY2024

Generation Bio remains a development-stage company where research spending and cash burn still outweigh its early commercial revenue base.

FY2024 revenue reached $19.9M, but operating cash burn still ran at -$88.6M. With R&D spending at $61.3M, the added top line has not changed the core mechanic: liquid assets, not customers, are still funding development.

Current assets of $192.9M stand far above current liabilities of $35.1M. But year-end cash of $76.3M was lower than FY2024 operating cash burn of -$88.6M, so near-term liquidity looks sturdier than cash runway; the cushion depends on the broader liquid asset base, not just cash on hand.

The company did reduce spend, with R&D down from $93.6M to $61.3M between FY2023 and FY2024. Yet cash generation worsened anyway, which implies the business is still shaped more by the timing and scale of development funding than by an operating model where modest revenue can absorb the fixed research platform.

[ NOT FINANCIAL ADVICE ]

Financial Health Signals

Profitability Growth Leverage Liquidity Cash Flow Returns 45 / 100
Financial Health Score 45/100

Scored against operating companies for FY2024. Each of the six dimensions is a percentile rank within that peer group; the overall is their average, with missing dimensions counted as zero out of six. A high score means strong standing among peers, not absolute cross-industry strength. How this score is calculated →

Health score ≠ stock price. This rates the quality of Generation Bio Co.'s business: profitability, growth, balance sheet strength. It doesn't tell you whether the stock is a good buy at today's price. Not financial advice. Use it alongside valuation analysis and your own research.

Profitability
16

Generation Bio Co. has an operating margin of -715.8%, meaning the company retains $-716 of operating profit per $100 of revenue. This below-average margin results in a low score of 16/100, suggesting thin profitability after operating expenses. This is up from -2346.9% the prior year.

Growth
99

Generation Bio Co.'s revenue surged 236.9% year-over-year to $19.9M, reflecting rapid business expansion. This strong growth earns a score of 99/100.

Leverage
34

Generation Bio Co. has a moderate D/E ratio of 1.68. This balance of debt and equity financing earns a leverage score of 34/100.

Liquidity
91

With a current ratio of 5.50, Generation Bio Co. holds $5.50 in current assets for every $1 of short-term obligations. This comfortable liquidity earns a score of 91/100.

Cash Flow
2

While Generation Bio Co. generated -$88.6M in operating cash flow, capex of $2.4M consumed most of it, leaving -$91.0M in free cash flow. This results in a low score of 2/100, reflecting heavy capital investment rather than weak cash generation.

Returns
26

Generation Bio Co. generates a -152.7% ROE, indicating limited profit relative to shareholders' investment. This results in a returns score of 26/100. This is down from -62.3% the prior year.

Altman Z-Score Distress
-5.24

Generation Bio Co. scores -5.24, below the 1.81 distress threshold. The score is driven primarily by a large market capitalization ($36.0M) relative to total liabilities ($145.0M). This indicates elevated financial distress risk and warrants close attention to liquidity and debt levels.

Distress-screening estimate for non-financial companies. Not computed for banks or insurers, where the Altman model does not apply.

Piotroski F-Score Partial
3/7

Generation Bio Co. passes 3 of 7 computable financial strength tests (2 of the nine could not be computed from available data). 1 of 4 profitability signals pass, 1 of 2 leverage/liquidity signals pass, both operating efficiency signals pass.

Earnings Quality Low Quality
0.67x

For every $1 of reported earnings, Generation Bio Co. generates $0.67 in operating cash flow (-$88.6M OCF vs -$131.7M net income). This low ratio suggests earnings are primarily driven by accounting accruals rather than cash generation, which may not be sustainable.

Key Financial Metrics

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Earnings & Revenue

Revenue
$19.9M
YoY+236.9%

Generation Bio Co. generated $19.9M in revenue in fiscal year 2024. This represents an increase of 236.9% from the prior year.

EBITDA
-$137.5M
YoY-3.1%

Generation Bio Co.'s EBITDA was -$137.5M in fiscal year 2024, measuring earnings before interest, taxes, depreciation, and amortization. This represents a decrease of 3.1% from the prior year.

Net Income
-$131.7M
YoY-4.0%

Generation Bio Co. reported -$131.7M in net income in fiscal year 2024. This represents a decrease of 4.0% from the prior year.

EPS (Diluted)
$-1.98
YoY-1.0%

Generation Bio Co. earned $-1.98 per diluted share (EPS) in fiscal year 2024. This represents a decrease of 1.0% from the prior year.

Cash & Balance Sheet

Free Cash Flow
-$91.0M
YoY-51.2%

Generation Bio Co. generated -$91.0M in free cash flow in fiscal year 2024, representing cash available after capex. This represents a decrease of 51.2% from the prior year.

Cash & Debt
$76.3M
YoY+14.8%
5Y CAGR+38.3%

Generation Bio Co. held $76.3M in cash against $0 in long-term debt as of fiscal year 2024.

Dividends Per Share
N/A
Shares Outstanding
7M
YoY-89.9%

Generation Bio Co. had 7M shares outstanding in fiscal year 2024. This represents a decrease of 89.9% from the prior year.

Margins & Returns

Gross Margin
N/A
Operating Margin
-715.8%
YoY+1631.1pp

Generation Bio Co.'s operating margin was -715.8% in fiscal year 2024, reflecting core business profitability. This is up 1631.1 percentage points from the prior year.

Net Margin
-661.9%
YoY+1482.6pp

Generation Bio Co.'s net profit margin was -661.9% in fiscal year 2024, showing the share of revenue converted to profit. This is up 1482.6 percentage points from the prior year.

Return on Equity
-152.7%
YoY-90.4pp

Generation Bio Co.'s ROE was -152.7% in fiscal year 2024, measuring profit generated per dollar of shareholder equity. This is down 90.4 percentage points from the prior year.

Capital Allocation

R&D Spending
$61.3M
YoY-34.5%
5Y CAGR+4.1%

Generation Bio Co. invested $61.3M in research and development in fiscal year 2024. This represents a decrease of 34.5% from the prior year.

Share Buybacks
N/A
Capital Expenditures
$2.4M
YoY-67.5%
5Y CAGR-34.5%

Generation Bio Co. invested $2.4M in capex in fiscal year 2024, funding long-term assets and infrastructure. This represents a decrease of 67.5% from the prior year.

GBIO Income Statement

Metric Q3'25 Q2'25 Q1'25 Q4'24 Q3'24 Q2'24 Q1'24 Q4'23
Revenue $1.6M+108.4% $765K-91.2% $8.7M+108.3% $4.2M-44.6% $7.6M+84.6% $4.1M+0.8% $4.1M N/A
Cost of Revenue N/A N/A N/A N/A N/A N/A N/A N/A
Gross Profit N/A N/A N/A N/A N/A N/A N/A N/A
R&D Expenses $21.6M+39.6% $15.5M+0.9% $15.4M-0.9% $15.5M+2.7% $15.1M-7.9% $16.4M+14.3% $14.3M N/A
SG&A Expenses $12.2M+58.6% $7.7M-13.2% $8.8M+2.1% $8.7M-5.7% $9.2M-3.5% $9.5M-8.8% $10.4M N/A
Operating Income -$6.7M+70.7% -$22.9M-38.0% -$16.6M+29.5% -$23.6M-31.8% -$17.9M+23.3% -$23.3M+70.0% -$77.6M N/A
Interest Expense N/A N/A N/A N/A N/A N/A N/A N/A
Income Tax N/A N/A N/A N/A N/A N/A N/A N/A
Net Income -$5.5M+73.6% -$20.9M-41.4% -$14.8M+30.8% -$21.4M-39.6% -$15.3M+25.1% -$20.4M+72.6% -$74.5M N/A
EPS (Diluted) $-0.82+73.7% $-3.12-1318.2% $-0.22 N/A $-2.29+25.4% $-3.07-174.1% $-1.12 N/A

GBIO Balance Sheet

Metric Q3'25 Q2'25 Q1'25 Q4'24 Q3'24 Q2'24 Q1'24 Q4'23
Total Assets $121.9M-32.1% $179.4M-10.9% $201.3M-12.9% $231.2M-7.1% $248.8M-6.2% $265.3M-7.2% $285.9M-23.7% $374.8M
Current Assets $93.5M-35.8% $145.5M-11.9% $165.1M-14.4% $192.9M+0.9% $191.3M-14.3% $223.3M-1.6% $226.9M-16.8% $272.6M
Cash & Equivalents $21.9M-55.3% $49.1M-3.5% $50.9M-33.3% $76.3M+252.3% $21.7M-24.0% $28.5M-19.8% $35.5M-46.5% $66.4M
Inventory N/A N/A N/A N/A N/A N/A N/A N/A
Accounts Receivable $391K+52.7% $256K-81.6% $1.4M+13.7% $1.2M-44.7% $2.2M+65.4% $1.3M N/A $0
Goodwill N/A N/A N/A N/A N/A N/A N/A N/A
Total Liabilities $71.3M-43.1% $125.3M-2.1% $128.0M-11.7% $145.0M+0.5% $144.3M-3.7% $149.9M-2.6% $153.9M-10.3% $171.6M
Current Liabilities $21.0M+8.6% $19.4M-1.2% $19.6M-44.1% $35.1M+16.2% $30.2M+0.2% $30.1M+6.3% $28.3M-29.1% $39.9M
Long-Term Debt N/A N/A N/A N/A N/A N/A N/A N/A
Total Equity $50.6M-6.5% $54.1M-26.2% $73.3M-14.9% $86.2M-17.5% $104.4M-9.5% $115.4M-12.6% $132.0M-35.0% $203.1M
Retained Earnings -$744.3M-0.7% -$738.8M-2.9% -$717.8M-2.1% -$703.0M-3.1% -$681.7M-2.3% -$666.4M-3.2% -$645.9M-13.0% -$571.4M

GBIO Cash Flow Statement

Metric Q3'25 Q2'25 Q1'25 Q4'24 Q3'24 Q2'24 Q1'24 Q4'23
Operating Cash Flow -$52.7M-213.0% -$16.8M+40.7% -$28.4M-79.7% -$15.8M+19.3% -$19.5M+9.2% -$21.5M+32.1% -$31.7M-26.9% -$25.0M
Capital Expenditures $0-100.0% $459K+86.6% $246K-34.9% $378K+315.4% $91K+550.0% $14K-99.3% $1.9M-58.1% $4.6M
Free Cash Flow -$52.7M-204.7% -$17.3M+39.6% -$28.6M-77.0% -$16.2M+17.7% -$19.6M+8.9% -$21.5M+35.9% -$33.6M-13.7% -$29.6M
Investing Cash Flow $25.5M+70.7% $15.0M+405.6% $3.0M-95.8% $70.3M+453.1% $12.7M+5.1% $12.1M+2286.3% -$553K+71.1% -$1.9M
Financing Cash Flow -$2K-102.5% $80K+1242.9% -$7K-104.9% $144K+4900.0% -$3K-101.3% $234K+287.2% -$125K-262.3% $77K
Dividends Paid N/A N/A N/A N/A N/A N/A N/A N/A
Share Buybacks N/A N/A N/A N/A N/A N/A N/A N/A

GBIO Financial Ratios

Metric Q3'25 Q2'25 Q1'25 Q4'24 Q3'24 Q2'24 Q1'24 Q4'23
Gross Margin N/A N/A N/A N/A N/A N/A N/A N/A
Operating Margin -420.8%+2574.7pp -2995.6%-2805.2pp -190.4%+372.3pp -562.6%-325.9pp -236.8%+333.0pp -569.8%+1342.9pp -1912.6% N/A
Net Margin -346.3%+2388.7pp -2735.0%-2565.3pp -169.7%+340.9pp -510.6%-307.8pp -202.7%+296.7pp -499.4%+1337.0pp -1836.4% N/A
Return on Equity -10.9%+27.7pp -38.7%-18.5pp -20.2%+4.6pp -24.8%-10.1pp -14.7%+3.0pp -17.7%+38.8pp -56.5% N/A
Return on Assets -4.5%+7.1pp -11.7%-4.3pp -7.3%+1.9pp -9.3%-3.1pp -6.2%+1.5pp -7.7%+18.4pp -26.1% N/A
Current Ratio 4.44-3.1 7.51-0.9 8.43+2.9 5.50-0.8 6.34-1.1 7.42-0.6 8.01+1.2 6.83
Debt-to-Equity 1.41-0.9 2.32+0.6 1.75+0.1 1.68+0.3 1.38+0.1 1.30+0.1 1.17+0.3 0.84
FCF Margin -3304.9%-1045.2pp -2259.7%-1931.8pp -327.9%+58.0pp -385.9%-125.9pp -260.0%+266.8pp -526.7%+301.4pp -828.2% N/A

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Frequently Asked Questions

Generation Bio Co. (GBIO) reported $19.9M in total revenue for fiscal year 2024. This represents a 236.9% change compared to the previous fiscal year. Revenue measures the total income earned from the company's primary business operations before any expenses are deducted.

Generation Bio Co. (GBIO) revenue grew by 236.9% year-over-year, from $5.9M to $19.9M in fiscal year 2024.

No, Generation Bio Co. (GBIO) reported a net income of -$131.7M in fiscal year 2024, with a net profit margin of -661.9%.

Generation Bio Co. (GBIO) reported diluted earnings per share of $-1.98 for fiscal year 2024. This represents a -1.0% change compared to the previous fiscal year. EPS represents the portion of a company's net income allocated to each outstanding share of common stock and is widely used to evaluate profitability on a per-share basis.

Generation Bio Co. (GBIO) had EBITDA of -$137.5M in fiscal year 2024, measuring earnings before interest, taxes, depreciation, and amortization.

Generation Bio Co. (GBIO) had an operating margin of -715.8% in fiscal year 2024, reflecting the profitability of core business operations before interest and taxes.

Generation Bio Co. (GBIO) had a net profit margin of -661.9% in fiscal year 2024, representing the share of revenue converted into profit after all expenses.

Generation Bio Co. (GBIO) has a return on equity of -152.7% for fiscal year 2024, measuring how efficiently the company generates profit from shareholder equity.

Generation Bio Co. (GBIO) generated -$91.0M in free cash flow during fiscal year 2024. This represents a -51.2% change compared to the previous fiscal year. Free cash flow represents the cash a company generates after accounting for capital expenditures, and is widely used to assess financial flexibility and shareholder value.

Generation Bio Co. (GBIO) generated -$88.6M in operating cash flow during fiscal year 2024, representing cash generated from core business activities.

Generation Bio Co. (GBIO) had $231.2M in total assets as of fiscal year 2024, including both current and long-term assets.

Generation Bio Co. (GBIO) invested $2.4M in capital expenditures during fiscal year 2024, funding long-term assets and infrastructure.

Generation Bio Co. (GBIO) invested $61.3M in research and development during fiscal year 2024.

Generation Bio Co. (GBIO) had 7M shares outstanding as of fiscal year 2024.

Generation Bio Co. (GBIO) had a current ratio of 5.50 as of fiscal year 2024, which is generally considered healthy.

Generation Bio Co. (GBIO) had a debt-to-equity ratio of 1.68 as of fiscal year 2024, measuring the company's financial leverage by comparing total debt to shareholder equity.

Generation Bio Co. (GBIO) had a return on assets of -57.0% for fiscal year 2024, measuring how efficiently the company uses its assets to generate profit.

Based on fiscal year 2024 data, Generation Bio Co. (GBIO) had $76.3M in cash against an annual operating cash burn of $88.6M. This gives an estimated cash runway of approximately 10 months at the current burn rate. Cash runway measures how long a company can continue operating before running out of cash, assuming no additional funding.

Generation Bio Co. (GBIO) has an Altman Z-Score of -5.24, placing it in the Distress Zone (elevated bankruptcy risk). The Z-Score combines five financial ratios (working capital, retained earnings, EBIT, market capitalization, and revenue relative to total assets) to predict the likelihood of bankruptcy. Scores above 2.99 indicate financial safety while scores below 1.81 suggest financial distress. Learn more in our complete guide to financial health indicators.

Generation Bio Co. (GBIO) has a Piotroski F-Score of 3 out of 7 computable signals; 2 of the nine could not be computed from available data, so the full-scale strength rating is not shown. The F-Score evaluates nine binary signals across profitability (positive ROA, positive cash flow, improving ROA, earnings quality), leverage (decreasing debt, improving liquidity, no share dilution), and operating efficiency (improving gross margin, improving asset turnover). Scores of 7 to 9 indicate strong and improving fundamentals. Learn more in our complete guide to financial health indicators.

Generation Bio Co. (GBIO) has an earnings quality ratio of 0.67x, considered low quality (accrual-driven). This ratio compares operating cash flow to net income. A ratio above 1.0x means the company generates more cash than its reported earnings, indicating sustainable, cash-backed profits. Ratios below 1.0x suggest earnings rely on accounting accruals rather than actual cash generation. Learn more in our complete guide to financial health indicators.

Generation Bio Co. (GBIO) scores 45 out of 100 on our Financial Health Score, indicating moderate standing within its operating companies peer group. The score is a 0-100 composite of six dimensions (Profitability, Growth, Leverage, Liquidity, Cash Flow, Returns), each ranked as a percentile relative to companies in the same scoring family (banks against banks, REITs against REITs, and so on) rather than across all industries. It rates the quality of the business, not whether the stock is fairly priced, and is not financial advice. Learn more in our complete guide to financial health indicators.

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