Ironwood Pharmaceuticals (IRWD) Tax Rate (2020 - 2026)
Ironwood Pharmaceuticals (IRWD) posted Tax Rate of 30.43% for Q2 2026, down 7.17 percentage points from 37.61% a year earlier and down 7.00 percentage points from the prior quarter.
Ironwood Pharmaceuticals (IRWD) Tax Rate (2020 - 2026) Analysis & Trends
For the trailing twelve months through Jun 30, 2026, Tax Rate at Ironwood Pharmaceuticals was 37.37%, down 80.96 percentage points year-over-year; for FY2025, it was 65.70%, down 32.95 percentage points from FY2024.
- Annual Tax Rate shows a five-year change of +63.24 percentage points (FY2020 to FY2025).
- In prior years, Ironwood Pharmaceuticals' Tax Rate was 98.65% in FY2024 and 30.66% in FY2022.
- The Q2 2026 figure stands as the lowest quarterly Tax Rate since Q3 2022.
- On a year-over-year basis, Tax Rate increased in two of the last six quarters, with an average year-over-year change of +66.67 percentage points.
- The strongest year-over-year quarter for Tax Rate in the past five years was Q4 2025, with a gain of 504.65 percentage points; the weakest was Q2 2025, with a drop of 66.95 percentage points.
- According to Business Quant data, Tax Rate for the three prior quarters was 37.44% (Q1 2026), 595.16% (Q4 2025) and 41.08% (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Eli Lilly | 1,348.13 Bn | 1,321.74 Bn | 20.46 Bn | 23.26% |
| 2 | Johnson & Johnson | 675.90 Bn | 595.76 Bn | 17.30 Bn | - |
| 3 | AbbVie | 519.45 Bn | 487.50 Bn | 13.12 Bn | 12.61% |
| 4 | Merck | 364.95 Bn | 327.95 Bn | 13.19 Bn | 8.85% |
| 5 | Novartis Ag | 311.58 Bn | 285.16 Bn | - | - |
| 6 | Astrazeneca | 289.34 Bn | 262.94 Bn | 13.26 Bn | - |
| 7 | Amgen | 251.64 Bn | 203.30 Bn | 7.58 Bn | 17.54% |
| 8 | Gilead Sciences | 212.05 Bn | 187.07 Bn | 6.73 Bn | 20.70% |
| 9 | Pfizer | 167.35 Bn | 115.00 Bn | 12.56 Bn | 3.96% |
| 10 | Ironwood Pharmaceuticals | 796.30 Mn | 194.87 Mn | - | 31.74% |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 31.74% |
| Jun 30, 2026 | 30.43% |
| Mar 31, 2026 | 37.44% |
| Dec 31, 2025 | 595.16% |
| Sep 30, 2025 | 41.08% |
| Jun 30, 2025 | 37.61% |
| Dec 31, 2024 | 90.51% |
| Sep 30, 2024 | 79.01% |
| Jun 30, 2024 | 104.56% |
| Mar 31, 2024 | 183.95% |
| Dec 31, 2023 | 105.73% |
| Sep 30, 2023 | 56.37% |
| Mar 31, 2023 | 30.59% |
| Dec 31, 2022 | 32.38% |
| Sep 30, 2022 | 28.04% |
| Jun 30, 2022 | 31.06% |
| Mar 31, 2022 | 31.35% |
| Dec 31, 2021 | 10.59% |
| Sep 30, 2021 | 6.41% |
| Mar 31, 2021 | 1.07% |
Ironwood Pharmaceuticals Tax Rate 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=tax-rate&ticker=IRWD&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "IRWD", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=IRWD&period=max&api_key=YOUR_API_KEY");
const data = await res.json();