Ironwood Pharmaceuticals (IRWD) - Shares outstanding

Number of shares outstanding as of December 2025 : 162,215,000

According to Ironwood Pharmaceuticals 's latest financial reports and stock price the company's current number of shares outstanding is 162,215,000. At the end of 2025 the company had 162,215,000 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Ironwood Pharmaceuticals from 2019 to 2025

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2025	0.16 B	1.45%
2024	0.15 B	2.49%
2023	0.15 B	1.75%
2022	0.15 B	-6.1%
2021	0.16 B	2.01%
2020	0.16 B	3.69%
2019	0.15 B

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
Nektar Therapeutics NKTR	18,946,559	-88.32%	🇺🇸 USA
AstraZeneca AZN	3,102,000,000	1,812.28%	🇬🇧 UK

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 Ironwood Pharmaceuticals (IRWD)

Number of shares outstanding as of December 2025 : 162,215,000