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 (+107.46 pp), -8.81% in FY2023 (-39.47 pp), 30.66% in FY2022 (+194.03 pp) and -163.36% in FY2021 (-165.83 pp).
- The Q2 2026 figure stands as the lowest quarterly Tax Rate since Q1 2025.
- On a year-over-year basis, Tax Rate increased in three of the last eight quarters, with an average year-over-year change of +31.69 percentage points.
- The strongest year-over-year quarter for Tax Rate in the past five years was Q2 2022, with a gain of 650.74 percentage points; the weakest was Q1 2025, with a drop of 187.02 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 | Johnson & Johnson | 638.12 Bn | 556.64 Bn | 17.26 Bn | 17.98% |
| 2 | AbbVie | 462.60 Bn | 435.75 Bn | 12.70 Bn | 15.47% |
| 3 | Merck | 358.70 Bn | 313.13 Bn | 12.21 Bn | - |
| 4 | Novartis Ag | 272.16 Bn | 228.03 Bn | 11.24 Bn | - |
| 5 | Astrazeneca | 250.36 Bn | 223.92 Bn | 12.86 Bn | - |
| 6 | Amgen | 227.87 Bn | 183.27 Bn | 7.24 Bn | 14.20% |
| 7 | Gilead Sciences | 184.97 Bn | 159.08 Bn | 6.22 Bn | - |
| 8 | Pfizer | 162.61 Bn | 109.56 Bn | 10.94 Bn | - |
| 9 | Vertex Pharmaceuticals | 132.45 Bn | 104.46 Bn | 2.84 Bn | 20.98% |
| 10 | Ironwood Pharmaceuticals | 656.00 Mn | 541,594.32 | - | 30.43% |
Historic Data
| Date | Value |
|---|---|
| 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% |
| Dec 31, 2020 | 2.89% |
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();