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Bolt Biotherapeutics, Inc. Financials

BOLT
FY2025 annual
Revenue $7.7M +0.1% YoY
Net Income -$33.4M +47.1% YoY
EPS (Diluted) -$17.85 +46.0% YoY
Free Cash Flow -$39.9M +34.9% YoY
Source SEC Filings (10-K/10-Q) Data as of Jun 30, 2026 Currency USD FYE December

Bolt Biotherapeutics, Inc. (BOLT) reported $7.7M in revenue for fiscal year 2025, up 0.1% from the prior fiscal year. This page shows its 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 BOLT FY2025

Bolt’s business model is still research-funded, and FY2025’s smaller losses came from a spending reset rather than sales expansion.

From FY2024 to FY2025, revenue stayed essentially flat near $7.7M, but R&D expense fell from $57.5M to $28.5M and operating cash burn improved from -$61.3M to -$39.9M. That pairing says the narrower loss came mainly from a lower-cost development posture, not from the business suddenly converting into a commercial engine.

FY2025 net loss of -$33.4M and operating cash outflow of -$39.9M were fairly close, so the losses were mostly real cash consumption rather than accounting noise. With capital spending only $72K, free cash flow tracked operating cash flow almost one-for-one, meaning the cash drain comes from funding research and overhead, not from maintaining a heavy asset base.

The balance sheet shows a split message: a 3.6x current ratio suggests near-term obligations are covered, but year-end cash of $11.7M was far below the annual operating burn. Cash still rose because investing cash flow added $44.3M while financing contributed just $19K, so FY2025 liquidity depended more on turning invested assets into cash than on raising new capital, even as liabilities moved above equity at $30.2M versus $26.5M.

[ NOT FINANCIAL ADVICE ]

Financial Health Signals

Cash Runway Dilution R&DIntensity Revenue Progress BurnTrend BalanceSheet 61 / 100
Financial Health Score 61/100
Scored as: Emerging companies peer group

Scored against emerging companies for FY2025. 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 Bolt Biotherapeutics, Inc.'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.

Cash Runway
18
Dilution
96
R&D Intensity
88
Revenue Progress
47
Burn Trend
65
Balance Sheet
53
Altman Z-Score Distress
-12.73

Bolt Biotherapeutics, Inc. scores -12.73, below the 1.81 distress threshold. The score is driven primarily by a large market capitalization ($7.1M) relative to total liabilities ($30.2M). 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

Bolt Biotherapeutics, Inc. 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 No Cash Backing
N/A

Bolt Biotherapeutics, Inc. reported a net loss of $33.4M while operations used $39.9M of cash. With neither figure positive, the ratio between the two carries no quality signal.

Key Financial Metrics

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Earnings & Revenue

Revenue
$7.7M
YoY+0.1%
5Y CAGR+101.6%

Bolt Biotherapeutics, Inc. generated $7.7M in revenue in fiscal year 2025. This represents an increase of 0.1% from the prior year.

EBITDA
-$34.8M
YoY+51.1%

Bolt Biotherapeutics, Inc.'s EBITDA was -$34.8M in fiscal year 2025, measuring earnings before interest, taxes, depreciation, and amortization. This represents an increase of 51.1% from the prior year.

Net Income
-$33.4M
YoY+47.1%

Bolt Biotherapeutics, Inc. reported -$33.4M in net income in fiscal year 2025. This represents an increase of 47.1% from the prior year.

EPS (Diluted)
-$17.85
YoY+46.0%

Bolt Biotherapeutics, Inc. earned -$17.85 per diluted share (EPS) in fiscal year 2025. This represents an increase of 46.0% from the prior year.

Cash & Balance Sheet

Free Cash Flow
-$39.9M
YoY+34.9%

Bolt Biotherapeutics, Inc. recorded an outflow of $39.9M in free cash flow in fiscal year 2025, representing a cash shortfall after capex. This represents an increase of 34.9% from the prior year.

Cash & Debt
$11.7M
YoY+62.4%
5Y CAGR+16.1%

Bolt Biotherapeutics, Inc. held $11.7M in cash as of fiscal year 2025; long-term debt is not reported for that period.

Shares Outstanding
2M
YoY+0.2%

Bolt Biotherapeutics, Inc. had 2M shares outstanding in fiscal year 2025. This represents an increase of 0.2% from the prior year.

Dividends Per Share

Not reported for fiscal year 2025.

Margins & Returns

Return on Equity
-125.9%
YoY-15.6pp

Bolt Biotherapeutics, Inc.'s ROE was -125.9% in fiscal year 2025, measuring profit generated per dollar of shareholder equity. This is down 15.6 percentage points from the prior year.

Gross Margin

Not reported for fiscal year 2025.

Operating Margin

Not shown for fiscal year 2025: the reported ratio is below -100.0% of revenue, so it does not read as a share of revenue.

Net Margin

Not shown for fiscal year 2025: the reported ratio is below -100.0% of revenue, so it does not read as a share of revenue.

Capital Allocation

R&D Spending
$28.5M
YoY-50.4%
5Y CAGR-6.7%

Bolt Biotherapeutics, Inc. invested $28.5M in research and development in fiscal year 2025. This represents a decrease of 50.4% from the prior year.

Capital Expenditures
$72K
YoY+75.6%
5Y CAGR-53.4%

Bolt Biotherapeutics, Inc. invested $72K in capex in fiscal year 2025, funding long-term assets and infrastructure. This represents an increase of 75.6% from the prior year.

Share Buybacks

Not reported for fiscal year 2025.

BOLT Income Statement

Figures in USD, abbreviated K (thousand), M (million), B (billion), T (trillion). Negative values carry a minus sign and red type.

BOLT annual income statement
MetricTTMFY25FY24FY23FY22FY21FY20
Revenue$4.7M$7.7M+0.1%$7.7M-2.4%$7.9M+37.5%$5.7M+354.7%$1.3M+445.5%$231K
R&D Expenses$21.5M$28.5M-50.4%$57.5M-6.6%$61.5M-15.8%$73.1M-3.3%$75.7M+87.5%$40.4M
SG&A Expenses$11.7M$13.8M-25.3%$18.5M-18.1%$22.5M-1.7%$22.9M+24.7%$18.4M+103.1%$9.1M
Operating Income-$30.8M-$36.1M+50.6%-$73.0M+4.1%-$76.2M+15.6%-$90.3M+2.7%-$92.8M-88.7%-$49.2M
Income TaxN/A$0$0$0$0$0$0
Net Income-$28.7M-$33.4M+47.1%-$63.1M+8.8%-$69.2M+21.5%-$88.1M+10.6%-$98.6M-62.3%-$60.7M
EPS (Diluted)-$17.85+46.0%-$33.06-$1.83+22.5%-$2.36+20.5%-$2.97N/A

Not reported in any period shown, so not listed: Cost of Revenue, Gross Profit, Interest Expense.

TTM is the trailing twelve months, Q3 FY2025 through Q2 FY2026, summed from the four most recent quarterly filings. A row marked — cannot be summed at all, because a quarter in the window reports no per-share figure; a row marked N/A could be summed, but a quarter in the window does not report that metric.

BOLT Balance Sheet

Figures in USD, abbreviated K (thousand), M (million), B (billion), T (trillion). Negative values carry a minus sign and red type.

BOLT annual balance sheet
MetricFY25FY24FY23FY22FY21FY20
Total Assets$56.7M-43.0%$99.6M-37.6%$159.8M-29.9%$227.8M-26.0%$307.7M+561.2%$46.5M
Current Assets$30.3M-40.4%$50.8M-51.9%$105.7M-38.8%$172.7M-8.7%$189.2M+645.9%$25.4M
Cash & Equivalents$11.7M+62.4%$7.2M-33.3%$10.8M+16.9%$9.2M-66.2%$27.4M+394.1%$5.5M
Total Liabilities$30.2M-28.7%$42.4M-9.8%$47.0M-16.4%$56.3M-2.3%$57.6M-62.0%$151.5M
Current Liabilities$8.4M-46.8%$15.9M-22.5%$20.5M-11.5%$23.1M+8.4%$21.3M+89.3%$11.3M
Total Equity$26.5M-53.7%$57.2M-49.3%$112.7M-34.3%$171.5M-31.4%$250.1M+338.3%-$104.9M
Retained Earnings-$460.8M-7.8%-$427.4M-17.3%-$364.3M-23.4%-$295.1M-42.6%-$207.0M-91.0%-$108.4M

Not reported in any period shown, so not listed: Inventory, Accounts Receivable, Goodwill, Long-Term Debt.

BOLT Cash Flow Statement

Figures in USD, abbreviated K (thousand), M (million), B (billion), T (trillion). Negative values carry a minus sign and red type.

BOLT annual cash flow statement
MetricTTMFY25FY24FY23FY22FY21FY20
Operating Cash Flow-$31.5M-$39.9M+35.0%-$61.3M+11.8%-$69.5M+9.1%-$76.5M-34.1%-$57.1M-20.6%-$47.3M
Capital ExpendituresN/A$72K+75.6%$41K-80.1%$206K-89.5%$2.0M-16.5%$2.3M-28.3%$3.3M
Free Cash FlowN/A-$39.9M+34.9%-$61.3M+12.0%-$69.7M+11.1%-$78.5M-32.1%-$59.4M-17.5%-$50.6M
Investing Cash Flow$34.7M$44.3M-23.1%$57.6M-19.0%$71.0M+22.8%$57.9M+124.9%-$232.2M-1027.6%-$20.6M
Financing Cash Flow$30K$19K-82.4%$108K-57.3%$253K-49.7%$503K-99.8%$311.1M+685.7%$39.6M

Not reported in any period shown, so not listed: Dividends Paid, Share Buybacks.

TTM is the trailing twelve months, Q3 FY2025 through Q2 FY2026, summed from the four most recent quarterly filings. A row marked — cannot be summed at all, because a quarter in the window reports no per-share figure; a row marked N/A could be summed, but a quarter in the window does not report that metric.

BOLT Financial Ratios

Margins and returns are percentages; the remaining ratios are unitless multiples.

BOLT annual financial ratios
MetricFY25FY24FY23FY22FY21FY20
Operating Margin-469.3%-949.9%-967.5%-1576.6%-7364.1%-21290.9%
Net Margin-433.7%-820.8%-878.6%-1537.8%-7824.7%-26289.2%
Return on Equity-125.9%-15.6pp-110.3%-49.0pp-61.4%-10.0pp-51.4%-12.0pp-39.4%N/A
Return on Assets-58.8%+4.5pp-63.3%-20.0pp-43.3%-4.6pp-38.7%-6.6pp-32.0%+98.4pp-130.5%
Current Ratio3.59+0.4x3.20-2.0x5.17-2.3x7.47-1.4x8.87+6.6x2.25
Debt-to-Equity1.14+0.4x0.74+0.3x0.42+0.1x0.33+0.1x0.23N/A
FCF Margin-518.8%-797.5%-885.4%-1369.5%-4714.6%-21891.8%

Not reported in any period shown, so not listed: Gross Margin.

Reported as filed but not readable as a share of revenue in the periods where the ratio runs further from zero than a revenue base allows; no change figure is given where either compared period is one of those: Operating Margin, Net Margin, FCF Margin.

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Frequently Asked Questions

What is Bolt Biotherapeutics, Inc.'s annual revenue?

Bolt Biotherapeutics, Inc. (BOLT) reported $7.7M in total revenue for fiscal year 2025. This represents a 0.1% 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.

How fast is Bolt Biotherapeutics, Inc.'s revenue growing?

Bolt Biotherapeutics, Inc. (BOLT) revenue grew by 0.1% year-over-year, from $7.7M to $7.7M in fiscal year 2025.

Is Bolt Biotherapeutics, Inc. profitable?

No, Bolt Biotherapeutics, Inc. (BOLT) reported a net income of -$33.4M in fiscal year 2025.

Bolt Biotherapeutics, Inc. (BOLT) reported diluted earnings per share of -$17.85 for fiscal year 2025. This represents a 46.0% 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.

Bolt Biotherapeutics, Inc. (BOLT) had EBITDA of -$34.8M in fiscal year 2025, measuring earnings before interest, taxes, depreciation, and amortization.

Bolt Biotherapeutics, Inc. (BOLT) has a return on equity of -125.9% for fiscal year 2025, measuring how efficiently the company generates profit from shareholder equity.

Bolt Biotherapeutics, Inc. (BOLT) recorded an outflow of $39.9M in free cash flow during fiscal year 2025. This represents a 34.9% 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.

Bolt Biotherapeutics, Inc. (BOLT) recorded an outflow of $39.9M in operating cash flow during fiscal year 2025, representing cash used by core business activities.

Bolt Biotherapeutics, Inc. (BOLT) had $56.7M in total assets as of fiscal year 2025, including both current and long-term assets.

Bolt Biotherapeutics, Inc. (BOLT) invested $72K in capital expenditures during fiscal year 2025, funding long-term assets and infrastructure.

Bolt Biotherapeutics, Inc. (BOLT) invested $28.5M in research and development during fiscal year 2025.

Bolt Biotherapeutics, Inc. (BOLT) had 2M shares outstanding as of fiscal year 2025.

Bolt Biotherapeutics, Inc. (BOLT) had a current ratio of 3.59 as of fiscal year 2025, which is generally considered healthy.

Bolt Biotherapeutics, Inc. (BOLT) had a debt-to-equity ratio of 1.14 as of fiscal year 2025, measuring the company's financial leverage by comparing total debt to shareholder equity.

Bolt Biotherapeutics, Inc. (BOLT) had a return on assets of -58.8% for fiscal year 2025, measuring how efficiently the company uses its assets to generate profit.

Based on fiscal year 2025 data, Bolt Biotherapeutics, Inc. (BOLT) had $11.7M in cash against an annual operating cash burn of $39.9M. This gives an estimated cash runway of approximately 4 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.

Bolt Biotherapeutics, Inc. (BOLT) has an Altman Z-Score of -12.73, 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.

Bolt Biotherapeutics, Inc. (BOLT) 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.

Bolt Biotherapeutics, Inc. (BOLT) reported a net loss of $33.4M while operations used $39.9M of cash. With neither figure positive, the ratio between the two carries no quality signal. 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.

Bolt Biotherapeutics, Inc. (BOLT) scores 61 out of 100 on our Financial Health Score, indicating moderate standing within its emerging companies peer group. The score is a 0-100 composite of six dimensions (Cash Runway, Dilution, R&D Intensity, Revenue Progress, Burn Trend, Balance Sheet), 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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