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Also trades as: 0JDI.L (LSE) · $vol 0M

IONS NASDAQ

Ionis Pharmaceuticals, Inc.
1W: -3.2% 1M: -3.5% 3M: -18.6% YTD: -44.8% 1Y: -38.0% 3Y: -4.8% 5Y: +40.5%
$43.96
+0.54 (+1.24%)
After Hours: $43.72 (-0.24, -0.55%)
Weekly Expected Move ±5.4%
$38 $41 $43 $45 $48
NASDAQ · Healthcare · Biotechnology · Tech Score Sell · Power 40 · $7.3B mcap · 163M float · 2.12% daily turnover · Short 39% of daily vol
Credit Risk of going bust: higher than 52% of companies Debt: 25.1% of company value Bonds: $115.2M held by 65 funds → details ▾
Of US companies ranked in the middle of the pack, about 1 in 580 filed for bankruptcy within a year (2020-2025).
If the stock fell to about $1.24 (down 97%), Ionis Pharmaceuticals, Inc. would be worth roughly what it owes.
Total debt $2.42B against a stock market value of $7.22B.
Distance to default 4.94 (Merton model): prices to 2026-10-26, balance sheet 2026-06-30, debt counted $1.20B (short-term plus half of long-term), stock volatility 44.8%; Altman Z'' 1.30. A ranking and a back-test, not a forecast.
Bond figures are fund-reported marks (SEC N-PORT) as of Jul 2026. How these are computed.

Cash Flow Trends

Operating Cash Flow
-$269M +46.4% ▲
Capital Expenditures
$51M -13.6% ▼
5Y CAGR: +4.6%
Free Cash Flow
-$320M +41.4% ▲
Dividends Paid
$0 +0.0% ▲
Buybacks
$0 +0.0% ▲
Net Change in Cash
$130M +182.8% ▲

Cash Flow Composition

Year-over-Year Growth

View Full Cash Flow Statement
Line ItemFY2021FY2022FY2023FY2024FY2025
— Operating Activities —
Net Income-$29M-$270M-$366M-$454M-$381M
Depreciation & Amort.$20M$22M$22M$20M$23M
Stock-Based Comp.$121M$100M$106M$130M$0
Change in Working Capital-$114M$8M-$77M-$209M-$51M
Other Non-Cash Items$8M-$135M$8M$12M$141M
Operating Cash Flow$31M-$274M-$308M-$501M-$269M
— Investing Activities —
Capital Expenditures-$18M-$20M-$24M-$45M-$51M
Acquisitions (Net)$6M$254M$22K$0$0
Investment Purchases-$1.1B-$1.5B-$1.8B-$1.9B-$1.9B
Investment Sales$1.3B$989M$1.6B$1.8B$1.7B
Other Investing-$6M$0-$4M-$5M-$6M
Investing Cash Flow$195M-$263M-$214M-$134M-$278M
— Financing Activities —
Net Debt Issuance$314M-$51M$87M-$45M$483M
Stock Repurchased-$17M-$11M$0$0$0
Dividends Paid$0$0$0$0$0
Other Financing-$79M-$11M$508M$0$0
Financing Cash Flow$246M-$55M$644M$478M$676M
Net Change in Cash$472M-$593M$123M-$157M$130M
Cash End of Period$869M$276M$399M$242M$372M
Free Cash Flow$13M-$294M-$336M-$546M-$320M

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms