This page shows Ionis Pharmaceuticals (IONS) financial statements, including the income statement, balance sheet, cash flow statement, and key financial ratios. View 18 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).
Ionis shows a research-heavy, asset-light revenue model where cash burn and external financing matter more than production costs.
From FY2024 to FY2025, cash burn improved faster than reported losses: operating cash outflow narrowed from-$500.9M to-$268.6M , a bigger shift than the net-loss improvement shown on the income statement. Yet financing inflow of$675.8M alongside 2.7x debt-to-equity shows FY2025 was still funded externally rather than by self-sustaining operations.
Gross margin near pure revenue at
Short-term liquidity still exceeded near-term obligations, but the cushion thinned as the current ratio fell from 8.5x to 3.8x in one year. With
Financial Health Signals
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 Ionis Pharmaceuticals'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.
Ionis Pharmaceuticals scores 1.72, below the 1.81 distress threshold. The score is driven primarily by a large market capitalization ($10.6B) relative to total liabilities ($3.0B). 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.
Ionis Pharmaceuticals passes 4 of 9 financial strength tests. 2 of 4 profitability signals pass, 1 of 3 leverage/liquidity signals pass, 1 of 2 efficiency signals pass.
For every $1 of reported earnings, Ionis Pharmaceuticals generates $0.70 in operating cash flow (-$268.6M OCF vs -$381.4M net income). This low ratio suggests earnings are primarily driven by accounting accruals rather than cash generation, which may not be sustainable.
Ionis Pharmaceuticals earns $-22.1 in operating income for every $1 of interest expense (-$381.7M vs $17.3M). This narrow margin raises concern about the company's ability to service its debt if operating income declines.
Key Financial Metrics
Earnings & Revenue
Ionis Pharmaceuticals generated $943.7M in revenue in fiscal year 2025. This represents an increase of 33.8% from the prior year.
Ionis Pharmaceuticals's EBITDA was -$369.2M in fiscal year 2025, measuring earnings before interest, taxes, depreciation, and amortization. This represents an increase of 20.3% from the prior year.
Ionis Pharmaceuticals reported -$381.4M in net income in fiscal year 2025. This represents an increase of 16.0% from the prior year.
Ionis Pharmaceuticals earned $-2.38 per diluted share (EPS) in fiscal year 2025. This represents an increase of 21.7% from the prior year.
Cash & Balance Sheet
Ionis Pharmaceuticals generated -$320.0M in free cash flow in fiscal year 2025, representing cash available after capex. This represents an increase of 41.4% from the prior year.
Ionis Pharmaceuticals held $372.3M in cash against $1.3B in long-term debt as of fiscal year 2025.
Ionis Pharmaceuticals had 163M shares outstanding in fiscal year 2025. This represents an increase of 2.7% from the prior year.
Margins & Returns
Ionis Pharmaceuticals's gross margin was 98.3% in fiscal year 2025, indicating the percentage of revenue retained after direct costs. This is down 0.1 percentage points from the prior year.
Ionis Pharmaceuticals's operating margin was -40.5% in fiscal year 2025, reflecting core business profitability. This is up 26.9 percentage points from the prior year.
Ionis Pharmaceuticals's net profit margin was -40.4% in fiscal year 2025, showing the share of revenue converted to profit. This is up 24.0 percentage points from the prior year.
Ionis Pharmaceuticals's ROE was -78.0% in fiscal year 2025, measuring profit generated per dollar of shareholder equity. This is down 0.8 percentage points from the prior year.
Capital Allocation
Ionis Pharmaceuticals invested $915.6M in research and development in fiscal year 2025. This represents an increase of 1.6% from the prior year.
Ionis Pharmaceuticals invested $51.4M in capex in fiscal year 2025, funding long-term assets and infrastructure. This represents an increase of 13.6% from the prior year.
IONS Income Statement
| Metric | Q1'26 | Q4'25 | Q3'25 | Q2'25 | Q1'25 | Q4'24 | Q3'24 | Q2'24 |
|---|---|---|---|---|---|---|---|---|
| Revenue | $246.1M+21.0% | $203.3M+29.7% | $156.7M-65.3% | $452.0M+243.5% | $131.6M-41.9% | $226.6M+69.3% | $133.8M-40.6% | $225.3M |
| Cost of Revenue | $3.0M | N/A | $2.3M-43.7% | $4.2M+183.7% | $1.5M | N/A | $1.1M-74.3% | $4.2M |
| Gross Profit | $243.1M | N/A | $154.4M-65.5% | $447.9M+244.1% | $130.1M | N/A | $132.7M-40.0% | $221.1M |
| R&D Expenses | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| SG&A Expenses | $150.4M | N/A | $96.8M+6.8% | $90.6M+18.8% | $76.3M | N/A | $61.6M-5.3% | $65.1M |
| Operating Income | -$117.4M+45.2% | -$214.5M-33.9% | -$160.2M-214.6% | $139.8M+195.2% | -$146.9M-32.5% | -$110.8M+25.5% | -$148.7M-124.9% | -$66.1M |
| Interest Expense | $5.2M | N/A | $4.2M+2.4% | $4.1M+0.1% | $4.1M | N/A | $4.2M-7.3% | $4.5M |
| Income Tax | $218K | N/A | $213K+1165.0% | -$20K-117.2% | $116K | N/A | -$3.6M-5757.8% | $64K |
| Net Income | -$92.5M+59.7% | -$229.4M-78.4% | -$128.6M-204.1% | $123.6M+184.1% | -$146.9M-40.8% | -$104.3M+25.7% | -$140.5M-112.0% | -$66.3M |
| EPS (Diluted) | $-0.56+60.3% | $-1.41-76.2% | $-0.80-214.3% | $0.70+175.3% | $-0.93-40.9% | $-0.66+30.5% | $-0.95-111.1% | $-0.45 |
IONS Balance Sheet
| Metric | Q1'26 | Q4'25 | Q3'25 | Q2'25 | Q1'25 | Q4'24 | Q3'24 | Q2'24 |
|---|---|---|---|---|---|---|---|---|
| Total Assets | $3.4B-2.1% | $3.5B+16.2% | $3.0B+1.6% | $3.0B+6.1% | $2.8B-6.3% | $3.0B-2.5% | $3.1B+14.5% | $2.7B |
| Current Assets | $2.9B-1.8% | $3.0B+18.7% | $2.5B-2.3% | $2.6B+6.5% | $2.4B-7.7% | $2.6B-3.4% | $2.7B+16.5% | $2.3B |
| Cash & Equivalents | $173.4M-53.4% | $372.3M+10.0% | $338.3M+13.8% | $297.3M+12.5% | $264.2M+9.1% | $242.1M-27.7% | $334.6M+13.8% | $294.0M |
| Inventory | $5.6M-44.7% | $10.0M-4.0% | $10.5M+23.5% | $8.5M-26.3% | $11.5M-8.1% | $12.5M-56.0% | $28.5M-0.9% | $28.7M |
| Accounts Receivable | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Goodwill | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Total Liabilities | $3.0B-2.5% | $3.0B+25.7% | $2.4B+2.6% | $2.4B+0.7% | $2.3B-3.2% | $2.4B-0.1% | $2.4B-0.4% | $2.4B |
| Current Liabilities | $716.6M-8.3% | $781.6M-13.5% | $903.5M+0.7% | $897.2M+258.5% | $250.3M-19.1% | $309.3M+1.6% | $304.6M-0.5% | $306.2M |
| Long-Term Debt | N/A | $1.3B | N/A | N/A | N/A | $1.2B | N/A | N/A |
| Total Equity | $491.4M+0.5% | $489.1M-20.9% | $618.0M-2.2% | $631.7M+32.8% | $475.7M-19.1% | $588.4M-11.2% | $662.5M+151.2% | $263.7M |
| Retained Earnings | -$2.7B-3.5% | -$2.6B-9.6% | -$2.4B-5.7% | -$2.3B+5.2% | -$2.4B-6.5% | -$2.2B-4.9% | -$2.1B-7.0% | -$2.0B |
IONS Cash Flow Statement
| Metric | Q1'26 | Q4'25 | Q3'25 | Q2'25 | Q1'25 | Q4'24 | Q3'24 | Q2'24 |
|---|---|---|---|---|---|---|---|---|
| Operating Cash Flow | -$792.8M-475.7% | -$137.7M-4.8% | -$131.4M-186.8% | $151.3M+200.4% | -$150.8M-29.8% | -$116.1M-1.0% | -$115.0M+4.1% | -$119.9M |
| Capital Expenditures | $21.8M+2.2% | $21.3M+304.0% | $5.3M-57.2% | $12.3M-2.2% | $12.6M-50.7% | $25.5M+181.5% | $9.1M+45.3% | $6.2M |
| Free Cash Flow | -$814.6M-412.3% | -$159.0M-16.3% | -$136.7M-198.3% | $139.0M+185.1% | -$163.4M-15.3% | -$141.6M-14.2% | -$124.0M+1.6% | -$126.1M |
| Investing Cash Flow | $536.8M+228.0% | -$419.5M-559.3% | $91.3M+176.1% | -$120.1M-170.4% | $170.5M+149.9% | $68.2M+120.0% | -$340.8M-645.7% | $62.5M |
| Financing Cash Flow | $57.3M-90.3% | $591.2M+627.9% | $81.2M+6413.1% | $1.2M-43.3% | $2.2M+105.0% | -$44.1M-108.9% | $496.0M+19299.6% | $2.6M |
| 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 |
IONS Financial Ratios
| Metric | Q1'26 | Q4'25 | Q3'25 | Q2'25 | Q1'25 | Q4'24 | Q3'24 | Q2'24 |
|---|---|---|---|---|---|---|---|---|
| Gross Margin | 98.8% | N/A | 98.5%-0.6pp | 99.1%+0.2pp | 98.9% | N/A | 99.2%+1.0pp | 98.2% |
| Operating Margin | -47.7%+57.7pp | -105.5%-3.3pp | -102.2%-133.1pp | 30.9%+142.5pp | -111.6%-62.7pp | -48.9%+62.2pp | -111.1%-81.8pp | -29.3% |
| Net Margin | -37.6%+75.2pp | -112.8%-30.8pp | -82.1%-109.4pp | 27.3%+139.0pp | -111.6%-65.6pp | -46.1%+58.9pp | -105.0%-75.6pp | -29.4% |
| Return on Equity | -18.8%+28.1pp | -46.9%-26.1pp | -20.8%-40.4pp | 19.6%+50.4pp | -30.9%-13.2pp | -17.7%+3.5pp | -21.2%+3.9pp | -25.1% |
| Return on Assets | -2.7%+3.8pp | -6.5%-2.3pp | -4.2%-8.4pp | 4.1%+9.4pp | -5.2%-1.8pp | -3.5%+1.1pp | -4.6%-2.1pp | -2.5% |
| Current Ratio | 4.10+0.3 | 3.83+1.0 | 2.79-0.1 | 2.87-6.8 | 9.66+1.2 | 8.47-0.4 | 8.91+1.3 | 7.61 |
| Debt-to-Equity | 6.02+3.3 | 2.72-1.2 | 3.91+0.2 | 3.73-1.2 | 4.91+2.9 | 2.04-1.6 | 3.65-5.6 | 9.21 |
| FCF Margin | -331.0%-252.8pp | -78.2%+9.0pp | -87.2%-118.0pp | 30.8%+154.9pp | -124.1%-61.6pp | -62.5%+30.2pp | -92.7%-36.7pp | -56.0% |
Similar Companies
Frequently Asked Questions
What is Ionis Pharmaceuticals's annual revenue?
Ionis Pharmaceuticals (IONS) reported $943.7M in total revenue for fiscal year 2025. This represents a 33.8% 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 Ionis Pharmaceuticals's revenue growing?
Ionis Pharmaceuticals (IONS) revenue grew by 33.8% year-over-year, from $705.1M to $943.7M in fiscal year 2025.
Is Ionis Pharmaceuticals profitable?
No, Ionis Pharmaceuticals (IONS) reported a net income of -$381.4M in fiscal year 2025, with a net profit margin of -40.4%.
What is Ionis Pharmaceuticals's EBITDA?
Ionis Pharmaceuticals (IONS) had EBITDA of -$369.2M in fiscal year 2025, measuring earnings before interest, taxes, depreciation, and amortization.
How much debt does Ionis Pharmaceuticals have?
As of fiscal year 2025, Ionis Pharmaceuticals (IONS) had $372.3M in cash and equivalents against $1.3B in long-term debt.
What is Ionis Pharmaceuticals's gross margin?
Ionis Pharmaceuticals (IONS) had a gross margin of 98.3% in fiscal year 2025, indicating the percentage of revenue retained after direct costs of goods sold.
What is Ionis Pharmaceuticals's operating margin?
Ionis Pharmaceuticals (IONS) had an operating margin of -40.5% in fiscal year 2025, reflecting the profitability of core business operations before interest and taxes.
What is Ionis Pharmaceuticals's net profit margin?
Ionis Pharmaceuticals (IONS) had a net profit margin of -40.4% in fiscal year 2025, representing the share of revenue converted into profit after all expenses.
What is Ionis Pharmaceuticals's return on equity (ROE)?
Ionis Pharmaceuticals (IONS) has a return on equity of -78.0% for fiscal year 2025, measuring how efficiently the company generates profit from shareholder equity.
What is Ionis Pharmaceuticals's free cash flow?
Ionis Pharmaceuticals (IONS) generated -$320.0M in free cash flow during fiscal year 2025. This represents a 41.4% 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.
What is Ionis Pharmaceuticals's operating cash flow?
Ionis Pharmaceuticals (IONS) generated -$268.6M in operating cash flow during fiscal year 2025, representing cash generated from core business activities.
What are Ionis Pharmaceuticals's total assets?
Ionis Pharmaceuticals (IONS) had $3.5B in total assets as of fiscal year 2025, including both current and long-term assets.
What are Ionis Pharmaceuticals's capital expenditures?
Ionis Pharmaceuticals (IONS) invested $51.4M in capital expenditures during fiscal year 2025, funding long-term assets and infrastructure.
How much does Ionis Pharmaceuticals spend on research and development?
Ionis Pharmaceuticals (IONS) invested $915.6M in research and development during fiscal year 2025.
What is Ionis Pharmaceuticals's current ratio?
Ionis Pharmaceuticals (IONS) had a current ratio of 3.83 as of fiscal year 2025, which is generally considered healthy.
What is Ionis Pharmaceuticals's debt-to-equity ratio?
Ionis Pharmaceuticals (IONS) had a debt-to-equity ratio of 2.72 as of fiscal year 2025, measuring the company's financial leverage by comparing total debt to shareholder equity.
What is Ionis Pharmaceuticals's return on assets (ROA)?
Ionis Pharmaceuticals (IONS) had a return on assets of -10.8% for fiscal year 2025, measuring how efficiently the company uses its assets to generate profit.
What is Ionis Pharmaceuticals's cash runway?
Based on fiscal year 2025 data, Ionis Pharmaceuticals (IONS) had $372.3M in cash against an annual operating cash burn of $268.6M. This gives an estimated cash runway of approximately 17 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.
What is Ionis Pharmaceuticals's Altman Z-Score?
Ionis Pharmaceuticals (IONS) has an Altman Z-Score of 1.72, 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.
What is Ionis Pharmaceuticals's Piotroski F-Score?
Ionis Pharmaceuticals (IONS) has a Piotroski F-Score of 4 out of 9, indicating neutral financial health. 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.
Are Ionis Pharmaceuticals's earnings high quality?
Ionis Pharmaceuticals (IONS) has an earnings quality ratio of 0.70x, 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.
Can Ionis Pharmaceuticals cover its interest payments?
Ionis Pharmaceuticals (IONS) has an interest coverage ratio of -22.1x, meaning it can struggle to cover its interest obligations. This ratio divides operating income by interest expense. Ratios above 5x indicate strong debt-servicing ability, while ratios below 2x suggest the company may face difficulty meeting interest payments if earnings decline. Learn more in our complete guide to financial health indicators.
How financially healthy is Ionis Pharmaceuticals?
Ionis Pharmaceuticals (IONS) scores 56 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.