Phathom Pharmaceuticals, Inc. (PHAT): Shares Outstanding

Annual figures by period end, from SEC filings.

Restated years: each year's figure is from the latest filing that reports it. The company later restated the year ended 2024-12-31 (for example after a spin-off or a discontinued operation), while the year before it was last reported on the old basis. Changes across those points are marked n/c (not comparable), and growth rates are not computed across them.

71.42M
As of 2025-12-31
80.07M
As of 2026-06-30
2019-12-31: 24.73M2020-12-31: 28.52M2021-12-31: 30.51M2022-12-31: 41.47M2023-12-31: 57.97M2024-12-31: 68.52M2025-12-31: 71.42M71.42M
2019-12-31 Shares Outstanding (shares) 2025-12-31
Period endedShares OutstandingChange YoYSource filing
2025-12-3171.42M+4.2%2026-02-26, Balance as of period end
2024-12-3168.52Mn/c2026-02-26, Balance as of period end
2023-12-3157.97M+39.8%2025-03-06, Balance as of period end
2022-12-3141.47M+35.9%2024-06-14, Balance as of period end
2021-12-3130.51M+7.0%2023-02-28, Balance as of period end
2020-12-3128.52M+15.3%2022-03-01, Balance as of period end
2019-12-3124.73Mn/a2021-03-30, Balance as of period end