Ionis Pharmaceuticals, Inc. Operating Cash Flow
Ionis Pharmaceuticals, Inc. (IONS) reported Operating Cash Flow of -$227.29 million for the 6-month period ending 2026-06-30, per its 10-Q filed 2026-07-29.
Financial Statements › Cash Flow › Operating Activities
us-gaap:NetCashProvidedByUsedInOperatingActivities · last filed 2026-07-29
- Ionis Pharmaceuticals, Inc. net cash provided by (used in) operating activities for the quarter ending 2026-06-30 was $565.53M, a 273.69% increase year-over-year.
- Ionis Pharmaceuticals, Inc. net cash provided by (used in) operating activities for the quarter ending 2026-03-31 was -$792.82M.
- Ionis Pharmaceuticals, Inc. net cash provided by (used in) operating activities for the quarter ending 2025-12-31 was -$137.71M.
- Ionis Pharmaceuticals, Inc. net cash provided by (used in) operating activities for the quarter ending 2025-09-30 was -$131.44M.
- Ionis Pharmaceuticals, Inc. net cash provided by (used in) operating activities for fiscal 2025 was -$268.58M.
- Ionis Pharmaceuticals, Inc. net cash provided by (used in) operating activities for fiscal 2024 was -$500.95M.
- Ionis Pharmaceuticals, Inc. net cash provided by (used in) operating activities for fiscal 2023 was -$307.51M.
- Ionis Pharmaceuticals, Inc. net cash provided by (used in) operating activities for fiscal 2022 was -$274.37M, a 990.84% decline from fiscal 2021.
| Period end | Net Cash Provided by (Used in) Operating Activities 3 month | Net Cash Provided by (Used in) Operating Activities 3 month as first filed | Net Cash Provided by (Used in) Operating Activities 6 month | Net Cash Provided by (Used in) Operating Activities 6 month as first filed | Net Cash Provided by (Used in) Operating Activities 9 month | Net Cash Provided by (Used in) Operating Activities 9 month as first filed | Net Cash Provided by (Used in) Operating Activities 12 month | Net Cash Provided by (Used in) Operating Activities 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $565.53M derived: 10-Q 6 month − 10-Q 3 month · filed 2026-07-29 | -$227.29M 10-Q · filed 2026-07-29 | -$365.00M derived: sum of 3 quarters · filed 2026-07-29 | -$496.43M derived: sum of 4 quarters · filed 2026-07-29 | ||||
| 2026-03-31 | -$792.82M 10-Q · filed 2026-04-29 | -$930.53M derived: sum of 2 quarters · filed 2026-04-29 | -$1.06B derived: sum of 3 quarters · filed 2026-04-29 | -$910.63M derived: sum of 4 quarters · filed 2026-07-29 | ||||
| 2025-12-31 | -$137.71M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | -$269.15M derived: sum of 2 quarters · filed 2026-02-26 | -$117.81M derived: sum of 3 quarters · filed 2026-07-29 | -$268.58M 10-K · filed 2026-02-26 | ||||
| 2025-09-30 | -$131.44M derived: 10-Q 9 month − 10-Q 6 month · filed 2025-10-29 | $19.90M derived: sum of 2 quarters · filed 2026-07-29 | -$130.87M 10-Q · filed 2025-10-29 | -$247.01M derived: sum of 4 quarters · filed 2026-07-29 | ||||
| 2025-06-30 | $151.34M derived: 10-Q 6 month − 10-Q 3 month · filed 2026-07-29 | $563.00K 10-Q · filed 2026-07-29 | -$115.58M derived: sum of 3 quarters · filed 2026-07-29 | -$230.57M derived: sum of 4 quarters · filed 2026-07-29 | ||||
| 2025-03-31 | -$150.78M 10-Q · filed 2026-04-29 | -$266.91M derived: sum of 2 quarters · filed 2026-04-29 | -$381.90M derived: sum of 3 quarters · filed 2026-04-29 | -$501.78M derived: sum of 4 quarters · filed 2026-04-29 | ||||
| 2024-12-31 | -$116.14M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | -$231.13M derived: sum of 2 quarters · filed 2026-02-26 | -$351.01M derived: sum of 3 quarters · filed 2026-02-26 | -$500.95M 10-K · filed 2026-02-26 | ||||
| 2024-09-30 | -$114.99M derived: 10-Q 9 month − 10-Q 6 month · filed 2025-10-29 | -$234.87M derived: sum of 2 quarters · filed 2025-10-29 | -$384.81M 10-Q · filed 2025-10-29 | -$351.94M derived: sum of 4 quarters · filed 2026-02-26 | ||||
| 2024-06-30 | -$119.88M derived: 10-Q 6 month − 10-Q 3 month · filed 2025-07-30 | -$269.82M 10-Q · filed 2025-07-30 | -$236.95M derived: sum of 3 quarters · filed 2026-02-26 | -$345.98M derived: sum of 4 quarters · filed 2026-02-26 | ||||
| 2024-03-31 | -$149.94M 10-Q · filed 2025-04-30 | -$117.07M derived: sum of 2 quarters · filed 2026-02-26 | -$226.09M derived: sum of 3 quarters · filed 2026-02-26 | -$323.46M derived: sum of 4 quarters · filed 2026-02-26 | ||||
| 2023-12-31 | $32.87M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | -$76.16M derived: sum of 2 quarters · filed 2026-02-26 | -$173.52M derived: sum of 3 quarters · filed 2026-02-26 | -$307.51M 10-K · filed 2026-02-26 | ||||
| 2023-09-30 | -$109.02M derived: 10-Q 9 month − 10-Q 6 month · filed 2024-11-06 | -$206.39M derived: sum of 2 quarters · filed 2024-11-06 | -$340.38M 10-Q · filed 2024-11-06 | -$540.57M derived: sum of 4 quarters · filed 2025-02-19 | ||||
| 2023-06-30 | -$97.36M derived: 10-Q 6 month − 10-Q 3 month · filed 2024-08-01 | -$231.36M 10-Q · filed 2024-08-01 | -$431.55M derived: sum of 3 quarters · filed 2025-02-19 | -$455.98M derived: sum of 4 quarters · filed 2025-02-19 | ||||
| 2023-03-31 | -$133.99M 10-Q · filed 2024-05-07 | -$334.19M derived: sum of 2 quarters · filed 2025-02-19 | -$358.62M derived: sum of 3 quarters · filed 2025-02-19 | -$376.71M derived: sum of 4 quarters · filed 2025-02-19 | ||||
| 2022-12-31 | -$200.19M derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-19 | -$224.62M derived: sum of 2 quarters · filed 2025-02-19 | -$242.72M derived: sum of 3 quarters · filed 2025-02-19 | -$274.37M 10-K · filed 2025-02-19 | ||||
| 2022-09-30 | -$24.43M derived: 10-Q 9 month − 10-Q 6 month · filed 2023-11-02 | -$42.52M derived: sum of 2 quarters · filed 2023-11-02 | -$74.17M 10-Q · filed 2023-11-02 | $129.51M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2022-06-30 | -$18.10M derived: 10-Q 6 month − 10-Q 3 month · filed 2023-08-09 | -$49.75M 10-Q · filed 2023-08-09 | $153.94M derived: sum of 3 quarters · filed 2024-02-21 | $98.37M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2022-03-31 | -$31.65M 10-Q · filed 2023-05-03 | $172.04M derived: sum of 2 quarters · filed 2024-02-21 | $116.46M derived: sum of 3 quarters · filed 2024-02-21 | $53.81M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2021-12-31 | $203.69M derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-21 | $148.11M derived: sum of 2 quarters · filed 2024-02-21 | $85.46M derived: sum of 3 quarters · filed 2024-02-21 | $30.80M 10-K · filed 2024-02-21 | ||||
| 2021-09-30 | -$55.57M derived: 10-Q 9 month − 10-Q 6 month · filed 2022-11-09 | -$118.23M derived: sum of 2 quarters · filed 2022-11-09 | -$172.89M 10-Q · filed 2022-11-09 | -$74.91M derived: sum of 4 quarters · filed 2023-02-22 | ||||
| 2021-06-30 | -$62.65M derived: 10-Q 6 month − 10-Q 3 month · filed 2022-08-09 | -$117.31M 10-Q · filed 2022-08-09 | -$19.34M derived: sum of 3 quarters · filed 2023-02-22 | -$29.61M derived: sum of 4 quarters · filed 2023-02-22 | ||||
| 2021-03-31 | -$54.66M 10-Q · filed 2022-05-04 | $43.31M derived: sum of 2 quarters · filed 2023-02-22 | $33.04M derived: sum of 3 quarters · filed 2023-02-22 | -$11.18M derived: sum of 4 quarters · filed 2023-02-22 | ||||
| 2020-12-31 | $97.98M derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-22 | $87.70M derived: sum of 2 quarters · filed 2023-02-22 | $43.48M derived: sum of 3 quarters · filed 2023-02-22 | $35.89M 10-K · filed 2023-02-22 | ||||
| 2020-09-30 | -$10.28M derived: 10-Q 9 month − 10-Q 6 month · filed 2021-11-03 | -$54.49M derived: sum of 2 quarters · filed 2021-11-03 | -$62.09M 10-Q · filed 2021-11-03 | $215.75M derived: sum of 4 quarters · filed 2022-02-25 | ||||
| 2020-06-30 | -$44.22M derived: 10-Q 6 month − 10-Q 3 month · filed 2021-08-04 | -$51.81M 10-Q · filed 2021-08-04 | -$51.73M 10-Q · filed 2020-08-05 | $226.03M derived: sum of 3 quarters · filed 2022-02-25 | $213.22M derived: sum of 4 quarters · filed 2022-02-25 | |||
| 2020-03-31 | -$7.59M 10-Q · filed 2021-05-05 | -$7.58M 10-Q · filed 2020-05-06 | $270.25M derived: sum of 2 quarters · filed 2022-02-25 | $257.44M derived: sum of 3 quarters · filed 2022-02-25 | $230.33M derived: sum of 4 quarters · filed 2022-02-25 | |||
| 2019-12-31 | $277.84M derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-25 | $265.03M derived: sum of 2 quarters · filed 2022-02-25 | $237.92M derived: sum of 3 quarters · filed 2022-02-25 | $345.63M 10-K · filed 2022-02-25 | $345.72M 10-K · filed 2020-03-02 | |||
| 2019-09-30 | -$12.81M derived: 10-Q 9 month − 10-Q 6 month · filed 2020-11-04 | -$39.92M derived: sum of 2 quarters · filed 2020-11-04 | $67.79M 10-Q · filed 2020-11-04 | $183.30M derived: sum of 4 quarters · filed 2021-02-24 | ||||
| 2019-06-30 | -$27.11M derived: 10-Q 6 month − 10-Q 3 month · filed 2020-08-05 | $80.59M 10-Q · filed 2020-08-05 | $196.10M derived: sum of 3 quarters · filed 2021-02-24 | $170.10M derived: sum of 4 quarters · filed 2021-02-24 | ||||
| 2019-03-31 | $107.70M 10-Q · filed 2020-05-06 | $223.21M derived: sum of 2 quarters · filed 2021-02-24 | $197.21M derived: sum of 3 quarters · filed 2021-02-24 | $697.45M derived: sum of 4 quarters · filed 2021-02-24 | ||||
| 2018-12-31 | $115.51M derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-24 | $89.50M derived: sum of 2 quarters · filed 2021-02-24 | $589.74M derived: sum of 3 quarters · filed 2021-02-24 | $602.91M 10-K · filed 2021-02-24 | $602.89M 10-K · filed 2019-03-01 | |||
| 2018-09-30 | -$26.00M derived: 10-Q 9 month − 10-Q 6 month · filed 2019-11-06 | $474.23M derived: sum of 2 quarters · filed 2019-11-06 | $487.40M 10-Q · filed 2019-11-06 | $507.80M derived: sum of 4 quarters · filed 2020-03-02 | ||||
| 2018-06-30 | $500.24M derived: 10-Q 6 month − 10-Q 3 month · filed 2019-08-08 | $513.40M 10-Q · filed 2019-08-08 | $533.80M derived: sum of 3 quarters · filed 2020-03-02 | $562.52M derived: sum of 4 quarters · filed 2020-03-02 | ||||
| 2018-03-31 | $13.16M 10-Q · filed 2019-05-09 | $33.57M derived: sum of 2 quarters · filed 2020-03-02 | $62.29M derived: sum of 3 quarters · filed 2020-03-02 | $64.65M derived: sum of 4 quarters · filed 2020-03-02 | ||||
| 2017-12-31 | $20.40M derived: 10-K 12 month − 10-Q 9 month · filed 2020-03-02 | $49.12M derived: sum of 2 quarters · filed 2020-03-02 | $51.48M derived: sum of 3 quarters · filed 2020-03-02 | $174.15M 10-K · filed 2020-03-02 | ||||
| 2017-09-30 | $28.72M derived: 10-Q 9 month − 10-Q 6 month · filed 2018-11-06 | $31.08M derived: sum of 2 quarters · filed 2018-11-06 | $153.75M 10-Q · filed 2018-11-06 | $126.91M derived: sum of 4 quarters · filed 2019-03-01 | ||||
| 2017-06-30 | $2.36M derived: 10-Q 6 month − 10-Q 3 month · filed 2018-08-07 | $125.03M 10-Q · filed 2018-08-07 | $98.19M derived: sum of 3 quarters · filed 2019-03-01 | $122.47M derived: sum of 4 quarters · filed 2019-03-01 | ||||
| 2017-03-31 | $122.67M 10-Q · filed 2018-05-07 | $95.83M derived: sum of 2 quarters · filed 2019-03-01 | $120.11M derived: sum of 3 quarters · filed 2019-03-01 | |||||
| 2016-12-31 | -$26.84M derived: 10-K 12 month − 10-Q 9 month · filed 2019-03-01 | -$2.55M derived: sum of 2 quarters · filed 2019-03-01 | -$112.11M 10-K · filed 2019-03-01 | |||||
| 2016-09-30 | $24.29M derived: 10-Q 9 month − 10-Q 6 month · filed 2017-11-07 | -$85.27M 10-Q · filed 2017-11-07 | ||||||
| 2016-06-30 | -$109.55M 10-Q · filed 2017-08-09 | |||||||
| 2015-12-31 | $21.13M 10-K · filed 2018-02-28 | |||||||
| 2012-09-30 | -$24.87M derived: 10-Q 9 month − 10-Q 6 month · filed 2012-11-06 | -$27.45M derived: sum of 2 quarters · filed 2012-11-06 | -$34.16M 10-Q · filed 2012-11-06 | -$59.77M derived: sum of 4 quarters · filed 2012-11-06 | ||||
| 2012-06-30 | -$2.58M derived: 10-Q 6 month − 10-Q 3 month · filed 2012-08-06 | -$9.29M 10-Q · filed 2012-08-06 | -$34.90M derived: sum of 3 quarters · filed 2012-08-06 | -$58.07M derived: sum of 4 quarters · filed 2012-11-06 | ||||
| 2012-03-31 | -$6.71M 10-Q · filed 2012-05-09 | -$32.32M derived: sum of 2 quarters · filed 2012-05-09 | -$55.49M derived: sum of 3 quarters · filed 2012-11-06 | -$81.67M derived: sum of 4 quarters · filed 2012-11-06 | ||||
| 2011-12-31 | -$25.61M derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-29 | -$48.78M derived: sum of 2 quarters · filed 2012-11-06 | -$74.96M derived: sum of 3 quarters · filed 2012-11-06 | -$114.80M 10-K · filed 2012-02-29 | ||||
| 2011-09-30 | -$23.17M derived: 10-Q 9 month − 10-Q 6 month · filed 2012-11-06 | -$49.35M derived: sum of 2 quarters · filed 2012-11-06 | -$89.19M 10-Q · filed 2012-11-06 | -$90.47M 10-Q · filed 2011-11-08 | -$114.69M derived: sum of 4 quarters · filed 2012-11-06 | |||
| 2011-06-30 | -$26.18M derived: 10-Q 6 month − 10-Q 3 month · filed 2012-08-06 | -$66.02M 10-Q · filed 2012-08-06 | -$91.52M derived: sum of 3 quarters · filed 2012-08-06 | -$112.95M derived: sum of 4 quarters · filed 2012-08-06 | ||||
| 2011-03-31 | -$39.84M 10-Q · filed 2012-05-09 | -$65.34M derived: sum of 2 quarters · filed 2012-05-09 | -$86.77M derived: sum of 3 quarters · filed 2012-05-09 | -$81.74M derived: sum of 4 quarters · filed 2012-05-09 | ||||
| 2010-12-31 | -$25.50M derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-29 | -$46.93M derived: sum of 2 quarters · filed 2012-02-29 | -$41.90M derived: sum of 3 quarters · filed 2012-02-29 | -$63.59M 10-K · filed 2012-02-29 | ||||
| 2010-09-30 | -$21.43M derived: 10-Q 9 month − 10-Q 6 month · filed 2011-11-08 | -$16.40M derived: sum of 2 quarters · filed 2011-11-08 | -$38.09M 10-Q · filed 2011-11-08 | -$69.45M derived: sum of 4 quarters · filed 2012-02-29 | ||||
| 2010-06-30 | $5.03M derived: 10-Q 6 month − 10-Q 3 month · filed 2011-08-08 | -$16.66M 10-Q · filed 2011-08-08 | -$48.02M derived: sum of 3 quarters · filed 2012-02-29 | -$80.28M derived: sum of 4 quarters · filed 2012-02-29 | ||||
| 2010-03-31 | -$21.69M 10-Q · filed 2011-05-06 | -$53.05M derived: sum of 2 quarters · filed 2012-02-29 | -$85.31M derived: sum of 3 quarters · filed 2012-02-29 | |||||
| 2009-12-31 | -$31.36M derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-29 | -$63.62M derived: sum of 2 quarters · filed 2012-02-29 | -$108.44M 10-K · filed 2012-02-29 | |||||
| 2009-09-30 | -$32.26M derived: 10-Q 9 month − 10-Q 6 month · filed 2010-11-05 | -$77.08M 10-Q · filed 2010-11-05 | ||||||
| 2009-06-30 | -$44.82M 10-Q · filed 2010-08-09 | |||||||
| 2008-12-31 | $212.03M 10-K · filed 2011-03-01 |
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