Ionis Pharmaceuticals, Inc. Income Tax Expense
Ionis Pharmaceuticals, Inc. (IONS) reported Income Tax Expense of $1.26 million for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-07-29.
Financial Statements › Expense Statement › Income Tax
us-gaap:IncomeTaxExpenseBenefit · last filed 2026-07-29
- Ionis Pharmaceuticals, Inc. income tax expense (benefit) for the quarter ending 2026-06-30 was $1.26M.
- Ionis Pharmaceuticals, Inc. income tax expense (benefit) for the quarter ending 2026-03-31 was $218.00K, a 87.93% increase year-over-year.
- Ionis Pharmaceuticals, Inc. income tax expense (benefit) for the quarter ending 2025-12-31 was $1.48M.
- Ionis Pharmaceuticals, Inc. income tax expense (benefit) for the quarter ending 2025-09-30 was $213.00K.
- Ionis Pharmaceuticals, Inc. income tax expense (benefit) for fiscal 2025 was $1.79M.
- Ionis Pharmaceuticals, Inc. income tax expense (benefit) for fiscal 2024 was -$6.17M, a 119.09% decline from fiscal 2023.
- Ionis Pharmaceuticals, Inc. income tax expense (benefit) for fiscal 2023 was $32.32M, a 175.38% increase from fiscal 2022.
- Ionis Pharmaceuticals, Inc. income tax expense (benefit) for fiscal 2022 was $11.74M.
| Period end | Income Tax Expense (Benefit) 3 month | Income Tax Expense (Benefit) 3 month as first filed | Income Tax Expense (Benefit) 6 month | Income Tax Expense (Benefit) 6 month as first filed | Income Tax Expense (Benefit) 9 month | Income Tax Expense (Benefit) 9 month as first filed | Income Tax Expense (Benefit) 12 month | Income Tax Expense (Benefit) 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $1.26M 10-Q · filed 2026-07-29 | $1.48M 10-Q · filed 2026-07-29 | $2.96M derived: sum of 3 quarters · filed 2026-07-29 | $3.17M derived: sum of 4 quarters · filed 2026-07-29 | ||||
| 2026-03-31 | $218.00K 10-Q · filed 2026-04-29 | $1.70M derived: sum of 2 quarters · filed 2026-04-29 | $1.91M derived: sum of 3 quarters · filed 2026-04-29 | $1.89M derived: sum of 4 quarters · filed 2026-07-29 | ||||
| 2025-12-31 | $1.48M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | $1.69M derived: sum of 2 quarters · filed 2026-02-26 | $1.67M derived: sum of 3 quarters · filed 2026-07-29 | $1.79M 10-K · filed 2026-02-26 | ||||
| 2025-09-30 | $213.00K 10-Q · filed 2025-10-29 | $193.00K derived: sum of 2 quarters · filed 2026-07-29 | $308.00K 10-Q · filed 2025-10-29 | -$2.38M derived: sum of 4 quarters · filed 2026-07-29 | ||||
| 2025-06-30 | -$20.00K 10-Q · filed 2026-07-29 | $96.00K 10-Q · filed 2026-07-29 | -$2.59M derived: sum of 3 quarters · filed 2026-07-29 | -$6.21M derived: sum of 4 quarters · filed 2026-07-29 | ||||
| 2025-03-31 | $116.00K 10-Q · filed 2026-04-29 | -$2.57M derived: sum of 2 quarters · filed 2026-04-29 | -$6.20M derived: sum of 3 quarters · filed 2026-04-29 | -$6.13M derived: sum of 4 quarters · filed 2026-04-29 | ||||
| 2024-12-31 | -$2.69M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | -$6.31M derived: sum of 2 quarters · filed 2026-02-26 | -$6.25M derived: sum of 3 quarters · filed 2026-02-26 | -$6.17M 10-K · filed 2026-02-26 | ||||
| 2024-09-30 | -$3.62M 10-Q · filed 2025-10-29 | -$3.56M derived: sum of 2 quarters · filed 2025-10-29 | -$3.48M 10-Q · filed 2025-10-29 | $3.01M derived: sum of 4 quarters · filed 2026-02-26 | ||||
| 2024-06-30 | $64.00K 10-Q · filed 2025-07-30 | $140.00K 10-Q · filed 2025-07-30 | $6.63M derived: sum of 3 quarters · filed 2026-02-26 | $13.24M derived: sum of 4 quarters · filed 2026-02-26 | ||||
| 2024-03-31 | $75.00K 10-Q · filed 2025-04-30 | $6.57M derived: sum of 2 quarters · filed 2026-02-26 | $13.17M derived: sum of 3 quarters · filed 2026-02-26 | $21.02M derived: sum of 4 quarters · filed 2026-02-26 | ||||
| 2023-12-31 | $6.50M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | $13.10M derived: sum of 2 quarters · filed 2026-02-26 | $20.94M derived: sum of 3 quarters · filed 2026-02-26 | $32.32M 10-K · filed 2026-02-26 | ||||
| 2023-09-30 | $6.60M 10-Q · filed 2024-11-06 | $14.44M derived: sum of 2 quarters · filed 2024-11-06 | $25.82M 10-Q · filed 2024-11-06 | $33.92M derived: sum of 4 quarters · filed 2025-02-19 | ||||
| 2023-06-30 | $7.84M 10-Q · filed 2024-08-01 | $19.22M 10-Q · filed 2024-08-01 | $27.32M derived: sum of 3 quarters · filed 2025-02-19 | $27.61M derived: sum of 4 quarters · filed 2025-02-19 | ||||
| 2023-03-31 | $11.38M 10-Q · filed 2024-05-07 | $19.48M derived: sum of 2 quarters · filed 2025-02-19 | $19.76M derived: sum of 3 quarters · filed 2025-02-19 | $22.02M derived: sum of 4 quarters · filed 2025-02-19 | ||||
| 2022-12-31 | $8.10M derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-19 | $8.38M derived: sum of 2 quarters · filed 2025-02-19 | $10.64M derived: sum of 3 quarters · filed 2025-02-19 | $11.74M 10-K · filed 2025-02-19 | ||||
| 2022-09-30 | $283.00K 10-Q · filed 2023-11-02 | $2.54M derived: sum of 2 quarters · filed 2023-11-02 | $3.64M 10-Q · filed 2023-11-02 | $3.94M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2022-06-30 | $2.26M 10-Q · filed 2023-08-09 | $3.35M 10-Q · filed 2023-08-09 | $3.66M derived: sum of 3 quarters · filed 2024-02-21 | $2.35M derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2022-03-31 | $1.09M 10-Q · filed 2023-05-03 | $1.40M derived: sum of 2 quarters · filed 2024-02-21 | $90.00K derived: sum of 3 quarters · filed 2024-02-21 | $417.00K derived: sum of 4 quarters · filed 2024-02-21 | ||||
| 2021-12-31 | $303.00K derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-21 | -$1.00M derived: sum of 2 quarters · filed 2024-02-21 | -$677.00K derived: sum of 3 quarters · filed 2024-02-21 | -$551.00K 10-K · filed 2024-02-21 | ||||
| 2021-09-30 | -$1.31M 10-Q · filed 2022-11-09 | -$980.00K derived: sum of 2 quarters · filed 2022-11-09 | -$854.00K 10-Q · filed 2022-11-09 | $340.26M derived: sum of 4 quarters · filed 2023-02-22 | ||||
| 2021-06-30 | $327.00K 10-Q · filed 2022-08-09 | $457.00K 10-Q · filed 2022-08-09 | $341.57M derived: sum of 3 quarters · filed 2023-02-22 | $346.63M derived: sum of 4 quarters · filed 2023-02-22 | ||||
| 2021-03-31 | $130.00K 10-Q · filed 2022-05-04 | $341.24M derived: sum of 2 quarters · filed 2023-02-22 | $346.31M derived: sum of 3 quarters · filed 2023-02-22 | $348.39M derived: sum of 4 quarters · filed 2023-02-22 | ||||
| 2020-12-31 | $341.11M derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-22 | $346.18M derived: sum of 2 quarters · filed 2023-02-22 | $348.26M derived: sum of 3 quarters · filed 2023-02-22 | $345.19M 10-K · filed 2023-02-22 | $316.73M 10-K · filed 2021-02-24 | |||
| 2020-09-30 | $5.06M 10-Q · filed 2021-11-03 | $2.65M 10-Q · filed 2020-11-04 | $7.15M derived: sum of 2 quarters · filed 2021-11-03 | $4.08M 10-Q · filed 2021-11-03 | -$1.05M 10-Q · filed 2020-11-04 | $46.38M derived: sum of 4 quarters · filed 2022-02-25 | ||
| 2020-06-30 | $2.08M 10-Q · filed 2021-08-04 | -$439.00K 10-Q · filed 2020-08-05 | -$988.00K 10-Q · filed 2021-08-04 | -$3.70M 10-Q · filed 2020-08-05 | $41.31M derived: sum of 3 quarters · filed 2022-02-25 | $26.40M derived: sum of 4 quarters · filed 2022-02-25 | ||
| 2020-03-31 | -$3.07M 10-Q · filed 2021-05-05 | -$3.26M 10-Q · filed 2020-05-06 | $39.23M derived: sum of 2 quarters · filed 2022-02-25 | $24.32M derived: sum of 3 quarters · filed 2022-02-25 | $17.39M derived: sum of 4 quarters · filed 2022-02-25 | |||
| 2019-12-31 | $42.30M derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-25 | $27.39M derived: sum of 2 quarters · filed 2022-02-25 | $20.46M derived: sum of 3 quarters · filed 2022-02-25 | $51.51M 10-K · filed 2022-02-25 | $43.51M 10-K · filed 2020-03-02 | |||
| 2019-09-30 | -$14.91M 10-Q · filed 2020-11-04 | -$21.84M derived: sum of 2 quarters · filed 2020-11-04 | $9.20M 10-Q · filed 2020-11-04 | -$282.76M derived: sum of 4 quarters · filed 2021-02-24 | ||||
| 2019-06-30 | -$6.93M 10-Q · filed 2020-08-05 | $24.12M 10-Q · filed 2020-08-05 | -$267.85M derived: sum of 3 quarters · filed 2021-02-24 | -$267.39M derived: sum of 4 quarters · filed 2021-02-24 | ||||
| 2019-03-31 | $31.05M 10-Q · filed 2020-05-06 | -$260.92M derived: sum of 2 quarters · filed 2021-02-24 | -$260.47M derived: sum of 3 quarters · filed 2021-02-24 | -$260.11M derived: sum of 4 quarters · filed 2021-02-24 | ||||
| 2018-12-31 | -$291.96M derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-24 | -$291.51M derived: sum of 2 quarters · filed 2021-02-24 | -$291.15M derived: sum of 3 quarters · filed 2021-02-24 | -$291.14M 10-K · filed 2021-02-24 | ||||
| 2018-09-30 | $452.00K 10-Q · filed 2019-11-06 | $810.00K derived: sum of 2 quarters · filed 2019-11-06 | $824.00K 10-Q · filed 2019-11-06 | -$6.34M derived: sum of 4 quarters · filed 2020-03-02 | ||||
| 2018-06-30 | $358.00K 10-Q · filed 2019-08-08 | $372.00K 10-Q · filed 2019-08-08 | -$6.79M derived: sum of 3 quarters · filed 2020-03-02 | -$5.83M derived: sum of 4 quarters · filed 2020-03-02 | ||||
| 2018-03-31 | $15.00K 10-Q · filed 2019-05-09 | -$7.15M derived: sum of 2 quarters · filed 2020-03-02 | -$6.19M derived: sum of 3 quarters · filed 2020-03-02 | -$5.97M derived: sum of 4 quarters · filed 2020-03-02 | ||||
| 2017-12-31 | -$7.16M derived: 10-K 12 month − 10-Q 9 month · filed 2020-03-02 | -$6.20M derived: sum of 2 quarters · filed 2020-03-02 | -$5.98M derived: sum of 3 quarters · filed 2020-03-02 | -$5.98M 10-K · filed 2020-03-02 | ||||
| 2017-09-30 | $961.00K 10-Q · filed 2018-11-06 | $1.18M derived: sum of 2 quarters · filed 2018-11-06 | $1.18M 10-Q · filed 2018-11-06 | $4.12M derived: sum of 4 quarters · filed 2019-03-01 | ||||
| 2017-06-30 | $222.00K 10-Q · filed 2018-08-07 | $222.00K 10-Q · filed 2018-08-07 | $3.15M derived: sum of 3 quarters · filed 2019-03-01 | $3.15M derived: sum of 4 quarters · filed 2019-03-01 | ||||
| 2017-03-31 | $0.00 10-Q · filed 2018-05-07 | $2.93M derived: sum of 2 quarters · filed 2019-03-01 | $2.93M derived: sum of 3 quarters · filed 2019-03-01 | $2.70M derived: sum of 4 quarters · filed 2019-03-01 | ||||
| 2016-12-31 | $2.93M derived: 10-K 12 month − 10-Q 9 month · filed 2019-03-01 | $2.93M derived: sum of 2 quarters · filed 2019-03-01 | $2.70M derived: sum of 3 quarters · filed 2019-03-01 | $2.93M 10-K · filed 2019-03-01 | ||||
| 2016-09-30 | $0.00 10-Q · filed 2017-11-07 | -$231.00K derived: sum of 2 quarters · filed 2017-11-07 | $1.00K 10-Q · filed 2017-11-07 | $373.00K derived: sum of 4 quarters · filed 2018-02-28 | ||||
| 2016-06-30 | -$231.00K 10-Q · filed 2017-08-09 | $1.00K 10-Q · filed 2017-08-09 | $373.00K derived: sum of 3 quarters · filed 2018-02-28 | $373.00K derived: sum of 4 quarters · filed 2018-02-28 | ||||
| 2016-03-31 | $232.00K 10-Q · filed 2017-05-09 | $604.00K derived: sum of 2 quarters · filed 2018-02-28 | $604.00K derived: sum of 3 quarters · filed 2018-02-28 | $1.39M derived: sum of 4 quarters · filed 2018-02-28 | ||||
| 2015-12-31 | $372.00K derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-28 | $372.00K derived: sum of 2 quarters · filed 2018-02-28 | $1.16M derived: sum of 3 quarters · filed 2018-02-28 | $372.00K 10-K · filed 2018-02-28 | ||||
| 2015-09-30 | $0.00 10-Q · filed 2016-11-09 | $789.00K derived: sum of 2 quarters · filed 2016-11-09 | $0.00 10-Q · filed 2016-11-09 | -$15.41M derived: sum of 4 quarters · filed 2017-03-01 | ||||
| 2015-06-30 | $789.00K 10-Q · filed 2016-08-09 | $0.00 10-Q · filed 2016-08-09 | -$15.41M derived: sum of 3 quarters · filed 2017-03-01 | -$14.01M derived: sum of 4 quarters · filed 2017-03-01 | ||||
| 2015-03-31 | -$789.00K 10-Q · filed 2016-05-05 | -$16.20M derived: sum of 2 quarters · filed 2017-03-01 | -$14.80M derived: sum of 3 quarters · filed 2017-03-01 | -$13.92M derived: sum of 4 quarters · filed 2017-03-01 | ||||
| 2014-12-31 | -$15.41M derived: 10-K 12 month − 10-Q 9 month · filed 2017-03-01 | -$14.01M derived: sum of 2 quarters · filed 2017-03-01 | -$13.13M derived: sum of 3 quarters · filed 2017-03-01 | -$15.41M 10-K · filed 2017-03-01 | ||||
| 2014-09-30 | $1.40M 10-Q · filed 2015-11-09 | $2.28M derived: sum of 2 quarters · filed 2015-11-09 | $2.00K 10-Q · filed 2015-11-09 | |||||
| 2014-06-30 | $881.00K 10-Q · filed 2015-08-05 | -$1.40M 10-Q · filed 2015-08-05 | ||||||
| 2014-03-31 | -$2.28M 10-Q · filed 2015-05-05 | |||||||
| 2013-12-31 | -$5.91M 10-K · filed 2016-02-26 | |||||||
| 2012-12-31 | -$8.40M derived: 10-K 12 month − 10-Q 9 month · filed 2015-03-02 | -$9.11M derived: sum of 2 quarters · filed 2015-03-02 | -$9.11M derived: sum of 3 quarters · filed 2015-03-02 | -$9.11M 10-K · filed 2015-03-02 | ||||
| 2012-09-30 | -$706.00K 10-Q · filed 2012-11-06 | -$706.00K derived: sum of 2 quarters · filed 2012-11-06 | -$704.00K 10-Q · filed 2012-11-06 | -$704.00K derived: sum of 4 quarters · filed 2012-11-06 | ||||
| 2012-06-30 | $0.00 derived: 10-Q 6 month − 10-Q 3 month · filed 2012-08-06 | $2.00K 10-Q · filed 2012-08-06 | $2.00K derived: sum of 3 quarters · filed 2012-08-06 | $2.00K derived: sum of 4 quarters · filed 2012-11-06 | ||||
| 2012-03-31 | $2.00K 10-Q · filed 2012-05-09 | $2.00K derived: sum of 2 quarters · filed 2012-05-09 | $2.00K derived: sum of 3 quarters · filed 2012-11-06 | $11.00K derived: sum of 4 quarters · filed 2012-11-06 | ||||
| 2011-12-31 | $0.00 derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-29 | $0.00 derived: sum of 2 quarters · filed 2012-11-06 | $9.00K derived: sum of 3 quarters · filed 2012-11-06 | $11.00K 10-K · filed 2012-02-29 | ||||
| 2011-09-30 | $0.00 derived: 10-Q 9 month − 10-Q 6 month · filed 2012-11-06 | $9.00K derived: sum of 2 quarters · filed 2012-11-06 | $11.00K 10-Q · filed 2012-11-06 | $101.00K derived: sum of 4 quarters · filed 2012-11-06 | ||||
| 2011-06-30 | $9.00K 10-Q · filed 2012-08-06 | $11.00K 10-Q · filed 2012-08-06 | $101.00K derived: sum of 3 quarters · filed 2012-08-06 | $101.00K derived: sum of 4 quarters · filed 2012-08-06 | ||||
| 2011-03-31 | $2.00K 10-Q · filed 2012-05-09 | $92.00K derived: sum of 2 quarters · filed 2012-05-09 | $92.00K derived: sum of 3 quarters · filed 2012-05-09 | $94.00K derived: sum of 4 quarters · filed 2012-05-09 | ||||
| 2010-12-31 | $90.00K derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-29 | $90.00K derived: sum of 2 quarters · filed 2012-02-29 | $92.00K derived: sum of 3 quarters · filed 2012-02-29 | $92.00K 10-K · filed 2012-02-29 | ||||
| 2010-09-30 | $0.00 derived: 10-Q 9 month − 10-Q 6 month · filed 2011-11-08 | $2.00K derived: sum of 2 quarters · filed 2011-11-08 | $2.00K 10-Q · filed 2011-11-08 | |||||
| 2010-06-30 | $2.00K 10-Q · filed 2011-08-08 | $2.00K 10-Q · filed 2011-08-08 | ||||||
| 2009-12-31 | $2.32M derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-29 | $3.04M derived: sum of 2 quarters · filed 2012-02-29 | $3.03M derived: sum of 3 quarters · filed 2012-02-29 | $3.19M 10-K · filed 2012-02-29 | ||||
| 2009-09-30 | $724.00K 10-Q · filed 2010-11-05 | $713.00K derived: sum of 2 quarters · filed 2010-11-05 | $873.00K 10-Q · filed 2010-11-05 | |||||
| 2009-06-30 | -$11.00K 10-Q · filed 2010-08-09 | $149.00K 10-Q · filed 2010-08-09 |
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