Ironwood Pharmaceuticals IRWD
NASDAQ IRWD
$3.75 -0.22 (-5.54%)
As of: Oct 1, 2026 · 3:59 PM EDT

Ironwood Pharmaceuticals (IRWD) Shares Outstanding (2010 - 2026)

Updated

Ironwood Pharmaceuticals' Shares Outstanding was 164.41 million in Q2 2026, up 1.7% from 161.72 million a year earlier and up 0.6% from the prior quarter.

Analysis

Ironwood Pharmaceuticals (IRWD) Shares Outstanding (2010 - 2026) Analysis & Trends

For FY2025, Shares Outstanding at Ironwood Pharmaceuticals came in at 161.84 million, up 1.7% from FY2024.

  • Shares Outstanding has now increased for three consecutive years, with a five-year compound annual growth rate of 0.3% (FY2020 to FY2025).
  • In earlier years, Shares Outstanding was 159.08 million in FY2024 (+2.3%), 155.44 million in FY2023 (+0.7%), 154.37 million in FY2022 (-4.9%) and 162.25 million in FY2021 (+1.8%).
  • The Q2 2026 figure marks the highest quarterly Shares Outstanding in data going back to Q2 2010.
  • Compared with a year earlier, Shares Outstanding has increased for 13 straight quarters, with growth averaging 1.9% over the last eight quarters.
  • The best year-over-year quarter for Shares Outstanding over five years was Q3 2024 (growth of 2.5%); the worst was Q3 2022 (a decline of 5.9%).
  • Per Business Quant data, IRWD's Shares Outstanding in the three quarters before Q2 2026 was 163.45 million (Q1 2026), 161.84 million (Q4 2025) and 162.22 million (Q3 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Qtr)
1 Johnson & Johnson 638.12 Bn 556.64 Bn 17.26 Bn 2.41 Bn
2 AbbVie 462.60 Bn 435.75 Bn 12.70 Bn 1.77 Bn
3 Merck 358.70 Bn 313.13 Bn 12.21 Bn 2.47 Bn
4 Novartis Ag 272.16 Bn 228.03 Bn 11.24 Bn 1.94 Bn
5 Astrazeneca 250.36 Bn 223.92 Bn 12.86 Bn 1.55 Bn
6 Amgen 227.87 Bn 183.27 Bn 7.24 Bn 540.00 Mn
7 Gilead Sciences 184.97 Bn 159.08 Bn 6.22 Bn 1.24 Bn
8 Pfizer 162.61 Bn 109.56 Bn 10.94 Bn 5.70 Bn
9 Vertex Pharmaceuticals 132.45 Bn 104.46 Bn 2.84 Bn 253.70 Mn
10 Ironwood Pharmaceuticals 656.00 Mn 541,594.32 - 164.41 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 164.41 Mn
Mar 31, 2026 163.45 Mn
Dec 31, 2025 161.84 Mn
Sep 30, 2025 162.22 Mn
Jun 30, 2025 161.72 Mn
Mar 31, 2025 160.97 Mn
Dec 31, 2024 159.08 Mn
Sep 30, 2024 159.71 Mn
Jun 30, 2024 159.01 Mn
Mar 31, 2024 157.70 Mn
Dec 31, 2023 155.44 Mn
Sep 30, 2023 155.89 Mn
Jun 30, 2023 155.37 Mn
Mar 31, 2023 154.45 Mn
Dec 31, 2022 154.37 Mn
Sep 30, 2022 153.07 Mn
Jun 30, 2022 153.30 Mn
Mar 31, 2022 157.82 Mn
Dec 31, 2021 162.25 Mn
Sep 30, 2021 162.74 Mn
API Access

Ironwood Pharmaceuticals Shares Outstanding API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=shares-outstanding&ticker=IRWD&period=max&api_key=YOUR_API_KEY