Ionis Pharmaceuticals, Inc. Diluted Shares Outstanding (Weighted Average)
Ionis Pharmaceuticals, Inc. (IONS) reported Diluted Shares Outstanding (Weighted Average) of 165.42 million shares for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-07-29.
Financial Statements › Income Statement › Earnings Per Share
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding · last filed 2026-07-29
- Ionis Pharmaceuticals, Inc. weighted average number of shares outstanding, diluted for the quarter ending 2026-06-30 was 165.42M shares, a 9.28% decline year-over-year.
- Ionis Pharmaceuticals, Inc. weighted average number of shares outstanding, diluted for the quarter ending 2026-03-31 was 164.87M shares, a 3.87% increase year-over-year.
- Ionis Pharmaceuticals, Inc. weighted average number of shares outstanding, diluted for the quarter ending 2025-12-31 was 204.90M shares, a 29.73% increase year-over-year.
- Ionis Pharmaceuticals, Inc. weighted average number of shares outstanding, diluted for the quarter ending 2025-09-30 was 159.76M shares, a 7.52% increase year-over-year.
- Ionis Pharmaceuticals, Inc. weighted average number of shares outstanding, diluted for fiscal 2025 was 160.01M shares, a 7.02% increase from fiscal 2024.
- Ionis Pharmaceuticals, Inc. weighted average number of shares outstanding, diluted for fiscal 2024 was 149.51M shares, a 4.42% increase from fiscal 2023.
- Ionis Pharmaceuticals, Inc. weighted average number of shares outstanding, diluted for fiscal 2023 was 143.19M shares, a 0.95% increase from fiscal 2022.
- Ionis Pharmaceuticals, Inc. weighted average number of shares outstanding, diluted for fiscal 2022 was 141.85M shares, a 0.59% increase from fiscal 2021.
| Period end | Weighted Average Number of Shares Outstanding, Diluted 3 month | Weighted Average Number of Shares Outstanding, Diluted 3 month as first filed | Weighted Average Number of Shares Outstanding, Diluted 6 month | Weighted Average Number of Shares Outstanding, Diluted 9 month | Weighted Average Number of Shares Outstanding, Diluted 9 month as first filed | Weighted Average Number of Shares Outstanding, Diluted 12 month | Weighted Average Number of Shares Outstanding, Diluted 12 month as first filed |
|---|---|---|---|---|---|---|---|
| 2026-06-30 | 165.42M shares 10-Q · filed 2026-07-29 | 165.15M shares 10-Q · filed 2026-07-29 | 178.40M shares derived: average of 3 quarters · filed 2026-07-29 | 173.74M shares derived: average of 4 quarters · filed 2026-07-29 | |||
| 2026-03-31 | 164.87M shares 10-Q · filed 2026-04-29 | 184.89M shares derived: average of 2 quarters · filed 2026-04-29 | 176.51M shares derived: average of 3 quarters · filed 2026-04-29 | 177.97M shares derived: average of 4 quarters · filed 2026-07-29 | |||
| 2025-12-31 | 204.90M shares derived: 10-Q 6 month − 10-Q 3 month · filed 2025-07-30 | 182.33M shares 10-Q · filed 2025-07-30 | 182.33M shares derived: average of 3 quarters · filed 2026-07-29 | 160.01M shares 10-K · filed 2026-02-26 | |||
| 2025-09-30 | 159.76M shares 10-Q · filed 2025-10-29 | 171.05M shares derived: average of 2 quarters · filed 2026-07-29 | 159.22M shares 10-Q · filed 2025-10-29 | 164.69M shares derived: average of 4 quarters · filed 2026-07-29 | |||
| 2025-06-30 | 182.33M shares 10-Q · filed 2026-07-29 | 158.94M shares 10-Q · filed 2026-07-29 | 166.34M shares derived: average of 3 quarters · filed 2026-07-29 | 161.90M shares derived: average of 4 quarters · filed 2026-07-29 | |||
| 2025-03-31 | 158.74M shares 10-Q · filed 2026-04-29 | 158.34M shares derived: average of 2 quarters · filed 2026-04-29 | 155.09M shares derived: average of 3 quarters · filed 2026-04-29 | 152.81M shares derived: average of 4 quarters · filed 2026-04-29 | |||
| 2024-12-31 | 157.95M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | 153.27M shares derived: average of 2 quarters · filed 2026-02-26 | 150.83M shares derived: average of 3 quarters · filed 2026-02-26 | 149.51M shares 10-K · filed 2026-02-26 | |||
| 2024-09-30 | 148.59M shares 10-Q · filed 2025-10-29 | 147.28M shares derived: average of 2 quarters · filed 2025-10-29 | 146.70M shares 10-Q · filed 2025-10-29 | 145.92M shares derived: average of 4 quarters · filed 2026-02-26 | |||
| 2024-06-30 | 145.96M shares 10-Q · filed 2025-07-30 | 145.75M shares 10-Q · filed 2025-07-30 | 145.03M shares derived: average of 3 quarters · filed 2026-02-26 | 144.60M shares derived: average of 4 quarters · filed 2026-02-26 | |||
| 2024-03-31 | 145.54M shares 10-Q · filed 2025-04-30 | 144.57M shares derived: average of 2 quarters · filed 2026-02-26 | 144.15M shares derived: average of 3 quarters · filed 2026-02-26 | 143.89M shares derived: average of 4 quarters · filed 2026-02-26 | |||
| 2023-12-31 | 143.60M shares derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | 143.46M shares derived: average of 2 quarters · filed 2026-02-26 | 143.34M shares derived: average of 3 quarters · filed 2026-02-26 | 143.19M shares 10-K · filed 2026-02-26 | |||
| 2023-09-30 | 143.32M shares 10-Q · filed 2024-11-06 | 143.21M shares derived: average of 2 quarters · filed 2024-11-06 | 143.05M shares 10-Q · filed 2024-11-06 | 142.80M shares derived: average of 4 quarters · filed 2025-02-19 | |||
| 2023-06-30 | 143.10M shares 10-Q · filed 2024-08-01 | 142.92M shares 10-Q · filed 2024-08-01 | 142.63M shares derived: average of 3 quarters · filed 2025-02-19 | 142.46M shares derived: average of 4 quarters · filed 2025-02-19 | |||
| 2023-03-31 | 142.74M shares 10-Q · filed 2024-05-07 | 142.39M shares derived: average of 2 quarters · filed 2025-02-19 | 142.24M shares derived: average of 3 quarters · filed 2025-02-19 | 142.13M shares derived: average of 4 quarters · filed 2025-02-19 | |||
| 2022-12-31 | 142.05M shares derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-19 | 142.00M shares derived: average of 2 quarters · filed 2025-02-19 | 141.93M shares derived: average of 3 quarters · filed 2025-02-19 | 141.85M shares 10-K · filed 2025-02-19 | |||
| 2022-09-30 | 141.95M shares 10-Q · filed 2023-11-02 | 141.87M shares derived: average of 2 quarters · filed 2023-11-02 | 141.78M shares 10-Q · filed 2023-11-02 | 146.42M shares derived: average of 4 quarters · filed 2023-11-02 | |||
| 2022-06-30 | 141.79M shares 10-Q · filed 2023-08-09 | 141.70M shares 10-Q · filed 2023-08-09 | 147.91M shares derived: average of 3 quarters · filed 2023-08-09 | 146.22M shares derived: average of 4 quarters · filed 2023-08-09 | |||
| 2022-03-31 | 141.60M shares 10-Q · filed 2023-05-03 | 150.97M shares derived: average of 2 quarters · filed 2023-05-03 | 147.69M shares derived: average of 3 quarters · filed 2023-05-03 | 146.01M shares derived: average of 4 quarters · filed 2023-05-03 | |||
| 2021-12-31 | 160.34M shares 10-K · filed 2023-02-22 | 150.74M shares derived: average of 2 quarters · filed 2023-02-22 | 147.48M shares derived: average of 3 quarters · filed 2023-02-22 | 141.02M shares 10-K · filed 2024-02-21 | |||
| 2021-09-30 | 141.14M shares 10-Q · filed 2022-11-09 | 141.05M shares derived: average of 2 quarters · filed 2022-11-09 | 140.96M shares 10-Q · filed 2022-11-09 | 140.71M shares derived: average of 4 quarters · filed 2023-02-22 | |||
| 2021-06-30 | 140.96M shares 10-Q · filed 2022-08-09 | 140.87M shares 10-Q · filed 2022-08-09 | 140.56M shares derived: average of 3 quarters · filed 2023-02-22 | 140.35M shares derived: average of 4 quarters · filed 2023-02-22 | |||
| 2021-03-31 | 140.77M shares 10-Q · filed 2022-05-04 | 140.36M shares derived: average of 2 quarters · filed 2023-02-22 | 140.15M shares derived: average of 3 quarters · filed 2023-02-22 | 139.95M shares derived: average of 4 quarters · filed 2023-02-22 | |||
| 2020-12-31 | 139.96M shares derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-22 | 139.83M shares derived: average of 2 quarters · filed 2023-02-22 | 139.67M shares derived: average of 3 quarters · filed 2023-02-22 | 139.61M shares 10-K · filed 2023-02-22 | |||
| 2020-09-30 | 139.71M shares 10-Q · filed 2021-11-03 | 139.53M shares derived: average of 2 quarters · filed 2021-11-03 | 139.50M shares 10-Q · filed 2021-11-03 | 142.95M shares derived: average of 4 quarters · filed 2021-11-03 | |||
| 2020-06-30 | 139.35M shares 10-Q · filed 2021-08-04 | 139.39M shares 10-Q · filed 2021-08-04 | 144.03M shares derived: average of 3 quarters · filed 2021-08-04 | 143.87M shares derived: average of 4 quarters · filed 2021-08-04 | |||
| 2020-03-31 | 139.43M shares 10-Q · filed 2021-05-05 | 146.37M shares derived: average of 2 quarters · filed 2021-05-05 | 145.38M shares derived: average of 3 quarters · filed 2021-05-05 | 144.10M shares derived: average of 4 quarters · filed 2021-05-05 | |||
| 2019-12-31 | 153.30M shares 10-K · filed 2021-02-24 | 148.36M shares derived: average of 2 quarters · filed 2021-02-24 | 145.65M shares derived: average of 3 quarters · filed 2021-02-24 | 153.16M shares 10-K · filed 2022-02-25 | 142.87M shares 10-K · filed 2020-03-02 | ||
| 2019-09-30 | 143.41M shares 10-Q · filed 2020-11-04 | 141.83M shares derived: average of 2 quarters · filed 2020-11-04 | 142.82M shares 10-Q · filed 2020-11-04 | 143.76M shares derived: average of 4 quarters · filed 2020-11-04 | |||
| 2019-06-30 | 140.25M shares 10-Q · filed 2020-08-05 | 142.50M shares 10-Q · filed 2020-08-05 | 143.88M shares derived: average of 3 quarters · filed 2020-08-05 | 142.25M shares derived: average of 4 quarters · filed 2020-08-05 | |||
| 2019-03-31 | 141.54M shares 10-Q · filed 2020-05-06 | 145.70M shares derived: average of 2 quarters · filed 2020-05-06 | 142.91M shares derived: average of 3 quarters · filed 2020-05-06 | 139.36M shares derived: average of 4 quarters · filed 2020-05-06 | |||
| 2018-12-31 | 149.86M shares 10-K · filed 2020-03-02 | 143.60M shares derived: average of 2 quarters · filed 2020-03-02 | 138.64M shares derived: average of 3 quarters · filed 2020-03-02 | 134.06M shares 10-K · filed 2021-02-24 | |||
| 2018-09-30 | 137.35M shares 10-Q · filed 2019-11-06 | 143.31M shares 10-Q · filed 2018-11-06 | 133.03M shares derived: average of 2 quarters · filed 2019-11-06 | 130.51M shares 10-Q · filed 2019-11-06 | 132.52M shares 10-Q · filed 2018-11-06 | 129.56M shares derived: average of 4 quarters · filed 2019-11-06 | |
| 2018-06-30 | 128.71M shares 10-Q · filed 2019-08-08 | 127.03M shares 10-Q · filed 2019-08-08 | 126.97M shares derived: average of 3 quarters · filed 2019-08-08 | 126.32M shares derived: average of 4 quarters · filed 2019-08-08 | |||
| 2018-03-31 | 125.33M shares 10-Q · filed 2019-05-09 | 126.10M shares derived: average of 2 quarters · filed 2019-05-09 | 125.52M shares derived: average of 3 quarters · filed 2019-05-09 | 125.14M shares derived: average of 4 quarters · filed 2019-05-09 | |||
| 2017-12-31 | 126.86M shares 10-K · filed 2018-02-28 | 125.62M shares derived: average of 2 quarters · filed 2018-11-06 | 125.07M shares derived: average of 3 quarters · filed 2018-11-06 | 126.10M shares 10-K · filed 2020-03-02 | |||
| 2017-09-30 | 124.37M shares 10-Q · filed 2018-11-06 | 124.18M shares derived: average of 2 quarters · filed 2018-11-06 | 125.86M shares 10-Q · filed 2018-11-06 | 124.32M shares derived: average of 4 quarters · filed 2019-03-01 | |||
| 2017-06-30 | 123.99M shares 10-Q · filed 2018-08-07 | 125.51M shares 10-Q · filed 2018-08-07 | 124.30M shares derived: average of 3 quarters · filed 2019-03-01 | 124.07M shares derived: average of 4 quarters · filed 2019-03-01 | |||
| 2017-03-31 | 124.97M shares 10-K · filed 2019-03-01 | 124.46M shares derived: average of 2 quarters · filed 2019-03-01 | 124.10M shares derived: average of 3 quarters · filed 2019-03-01 | 123.28M shares derived: average of 4 quarters · filed 2019-03-01 | |||
| 2016-12-31 | 123.95M shares 10-K · filed 2018-02-28 | 123.67M shares derived: average of 2 quarters · filed 2018-02-28 | 122.71M shares derived: average of 3 quarters · filed 2018-02-28 | 120.93M shares 10-K · filed 2019-03-01 | |||
| 2016-09-30 | 123.38M shares 10-K · filed 2018-02-28 | 122.09M shares derived: average of 2 quarters · filed 2018-02-28 | 120.80M shares 10-Q · filed 2017-11-07 | 121.40M shares derived: average of 4 quarters · filed 2018-02-28 | |||
| 2016-06-30 | 120.80M shares 10-Q · filed 2016-08-09 | 120.70M shares 10-Q · filed 2016-08-09 | 120.74M shares derived: average of 3 quarters · filed 2018-02-28 | 120.55M shares derived: average of 4 quarters · filed 2018-02-28 | |||
| 2016-03-31 | 120.60M shares 10-Q · filed 2017-05-09 | 120.72M shares derived: average of 2 quarters · filed 2018-02-28 | 120.47M shares derived: average of 3 quarters · filed 2018-02-28 | 122.30M shares derived: average of 4 quarters · filed 2018-02-28 | |||
| 2015-12-31 | 120.83M shares derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-28 | 120.41M shares derived: average of 2 quarters · filed 2018-02-28 | 122.86M shares derived: average of 3 quarters · filed 2018-02-28 | 119.72M shares 10-K · filed 2018-02-28 | |||
| 2015-09-30 | 119.98M shares 10-Q · filed 2016-11-09 | 123.88M shares derived: average of 2 quarters · filed 2017-03-01 | 119.35M shares 10-Q · filed 2016-11-09 | ||||
| 2015-06-30 | 127.78M shares 10-K · filed 2017-03-01 | 124.06M shares 10-Q · filed 2016-08-09 | |||||
| 2014-12-31 | 122.84M shares 10-K · filed 2016-02-26 | ||||||
| 2014-06-30 | 117.59M shares 10-Q · filed 2015-08-05 | 117.36M shares 10-Q · filed 2015-08-05 | |||||
| 2013-12-31 | 116.18M shares derived: 10-K 12 month − 10-Q 9 month · filed 2014-03-03 | 115.72M shares derived: average of 2 quarters · filed 2014-03-03 | 113.33M shares derived: average of 3 quarters · filed 2014-03-03 | 110.50M shares 10-K · filed 2014-03-03 | |||
| 2013-09-30 | 115.26M shares 10-Q · filed 2013-11-05 | 111.90M shares derived: average of 2 quarters · filed 2013-11-05 | 108.61M shares 10-Q · filed 2013-11-05 | 106.73M shares derived: average of 4 quarters · filed 2014-03-03 | |||
| 2013-06-30 | 108.54M shares 10-Q · filed 2013-08-06 | 105.22M shares 10-Q · filed 2013-08-06 | 103.89M shares derived: average of 3 quarters · filed 2014-03-03 | 103.09M shares derived: average of 4 quarters · filed 2014-03-03 | |||
| 2013-03-31 | 101.88M shares 10-Q · filed 2013-05-07 | 101.56M shares derived: average of 2 quarters · filed 2014-03-03 | 101.27M shares derived: average of 3 quarters · filed 2014-03-03 | 101.00M shares derived: average of 4 quarters · filed 2014-03-03 | |||
| 2012-12-31 | 101.25M shares derived: 10-K 12 month − 10-Q 9 month · filed 2014-03-03 | 100.97M shares derived: average of 2 quarters · filed 2014-03-03 | 100.71M shares derived: average of 3 quarters · filed 2014-03-03 | 100.58M shares 10-K · filed 2014-03-03 | |||
| 2012-09-30 | 100.68M shares 10-Q · filed 2013-11-05 | 100.45M shares derived: average of 2 quarters · filed 2013-11-05 | 100.35M shares 10-Q · filed 2013-11-05 | 100.20M shares derived: average of 4 quarters · filed 2014-03-03 | |||
| 2012-06-30 | 100.21M shares 10-Q · filed 2013-08-06 | 100.19M shares 10-Q · filed 2013-08-06 | 100.04M shares derived: average of 3 quarters · filed 2014-03-03 | 99.96M shares derived: average of 4 quarters · filed 2014-03-03 | |||
| 2012-03-31 | 100.16M shares 10-Q · filed 2013-05-07 | 99.96M shares derived: average of 2 quarters · filed 2014-03-03 | 99.87M shares derived: average of 3 quarters · filed 2014-03-03 | 99.80M shares derived: average of 4 quarters · filed 2014-03-03 | |||
| 2011-12-31 | 99.76M shares derived: 10-K 12 month − 10-Q 9 month · filed 2014-03-03 | 99.73M shares derived: average of 2 quarters · filed 2014-03-03 | 99.68M shares derived: average of 3 quarters · filed 2014-03-03 | 99.66M shares 10-K · filed 2014-03-03 | |||
| 2011-09-30 | 99.69M shares 10-Q · filed 2012-11-06 | 99.64M shares derived: average of 2 quarters · filed 2012-11-06 | 99.62M shares 10-Q · filed 2012-11-06 | 99.53M shares derived: average of 4 quarters · filed 2013-02-28 | |||
| 2011-06-30 | 99.60M shares 10-Q · filed 2012-08-06 | 99.59M shares 10-Q · filed 2012-08-06 | 99.48M shares derived: average of 3 quarters · filed 2013-02-28 | 99.41M shares derived: average of 4 quarters · filed 2013-02-28 | |||
| 2011-03-31 | 99.57M shares 10-Q · filed 2012-05-09 | 99.42M shares derived: average of 2 quarters · filed 2013-02-28 | 99.34M shares derived: average of 3 quarters · filed 2013-02-28 | 99.28M shares derived: average of 4 quarters · filed 2013-02-28 | |||
| 2010-12-31 | 99.27M shares derived: 10-K 12 month − 10-Q 9 month · filed 2013-02-28 | 99.23M shares derived: average of 2 quarters · filed 2013-02-28 | 99.19M shares derived: average of 3 quarters · filed 2013-02-28 | 99.14M shares 10-K · filed 2013-02-28 | |||
| 2010-09-30 | 99.20M shares 10-Q · filed 2011-11-08 | 99.14M shares derived: average of 2 quarters · filed 2011-11-08 | 99.10M shares 10-Q · filed 2011-11-08 | 98.94M shares derived: average of 4 quarters · filed 2012-02-29 | |||
| 2010-06-30 | 99.09M shares 10-Q · filed 2011-08-08 | 99.05M shares 10-Q · filed 2011-08-08 | 98.86M shares derived: average of 3 quarters · filed 2012-02-29 | 98.72M shares derived: average of 4 quarters · filed 2012-02-29 | |||
| 2010-03-31 | 99.01M shares 10-Q · filed 2011-05-06 | 98.74M shares derived: average of 2 quarters · filed 2012-02-29 | 98.60M shares derived: average of 3 quarters · filed 2012-02-29 | 98.48M shares derived: average of 4 quarters · filed 2012-02-29 | |||
| 2009-12-31 | 98.47M shares derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-29 | 98.40M shares derived: average of 2 quarters · filed 2012-02-29 | 98.30M shares derived: average of 3 quarters · filed 2012-02-29 | 98.11M shares 10-K · filed 2012-02-29 | |||
| 2009-09-30 | 98.32M shares 10-Q · filed 2010-11-05 | 98.22M shares derived: average of 2 quarters · filed 2010-11-05 | 97.99M shares 10-Q · filed 2010-11-05 | ||||
| 2009-06-30 | 98.12M shares 10-Q · filed 2010-08-09 | 97.82M shares 10-Q · filed 2010-08-09 | |||||
| 2008-12-31 | 94.57M shares 10-K · filed 2011-03-01 |
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