Phathom Pharmaceuticals (PHAT) - Shares outstanding

Number of shares outstanding as of October 2026 : 83,747,104

According to Phathom Pharmaceuticals 's latest financial reports and stock price the company's current number of shares outstanding is 83,747,104. At the end of 2026 the company had 83,747,104 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Phathom Pharmaceuticals from 2018 to 2026

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2026	83.74 M	13.45%
2025	73.81 M	3.9%
2024	71.04 M	25.12%
2023	56.78 M	37.45%
2022	41.31 M	9.41%
2021	37.75 M	10.86%
2020	34.06 M	48.8%
2019	22.89 M	166.84%
2018	8.57 M

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
ORIC Pharmaceuticals ORIC	108,012,388	28.97%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Number of shares outstanding for Phathom Pharmaceuticals (PHAT)

Number of shares outstanding as of October 2026 : 83,747,104