Quick Answer
IRONWOOD PHARMACEUTICALS INC reported Shares Outstanding of 163.06 million shares for fiscal year 2025.
IRONWOOD PHARMACEUTICALS INC Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 163.06M | +1.8% |
| 2024 | 160.21M | +2.5% |
| 2023 | 156.35M | +1.5% |
| 2022 | 154.03M | -4.9% |
| 2021 | 162.04M | +0.9% |
| 2020 | 160.62M | +2.0% |
| 2019 | 157.54M | +2.0% |
| 2018 | 154.41M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 162.68M | +1.7% | +0.2% |
| June 30, 2025 | 162.43M | +1.7% | +0.4% |
| March 31, 2025 | 161.81M | +1.8% | +1.0% |
| December 31, 2024 | 160.21M | +2.5% | +0.1% |
| September 30, 2024 | 160.02M | +2.5% | +0.2% |
| June 30, 2024 | 159.74M | +2.4% | +0.5% |
| March 31, 2024 | 158.96M | +2.3% | +1.7% |
| December 31, 2023 | 156.35M | +1.5% | +0.1% |
- IRONWOOD PHARMACEUTICALS INC showed an increase of +1.8% in Shares Outstanding compared to the prior fiscal year.
- Over the 2018–2025 period, IRONWOOD PHARMACEUTICALS INC’s shares outstanding has grown by 5.6% (from 154.41 million shares to 163.06 million shares).
- The most recent figure is from IRONWOOD PHARMACEUTICALS INC’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 26, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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