Ironwood Pharmaceuticals Inc (IRWD): Shares Outstanding

Annual figures by period end, from SEC filings.

163.06M
As of 2025-12-31
165.24M
As of 2026-06-30
+1.9%
3-year compound annual growth
+0.3%
5-year compound annual growth
2018-12-31: 154.41M2019-12-31: 157.54M2020-12-31: 160.62M2021-12-31: 162.04M2022-12-31: 154.03M2023-12-31: 156.35M2024-12-31: 160.21M2025-12-31: 163.06M163.06M
2018-12-31 Shares Outstanding (shares) 2025-12-31
Period endedShares OutstandingChange YoYSource filing
2025-12-31163.06M+1.8%2026-02-26, Balance as of period end
2024-12-31160.21M+2.5%2026-02-26, Balance as of period end
2023-12-31156.35M+1.5%2025-03-31, Balance as of period end
2022-12-31154.03M-4.9%2024-02-16, Balance as of period end
2021-12-31162.04M+0.9%2023-02-16, Balance as of period end
2020-12-31160.62M+2.0%2022-02-18, Balance as of period end
2019-12-31157.54M+2.0%2021-02-17, Balance as of period end
2018-12-31154.41Mn/a2020-02-13, Balance as of period end