Arrowhead Pharmaceuticals (ARWR) Tax Rate (2019 - 2025)
Arrowhead Pharmaceuticals' Tax Rate was -0.01% in fiscal Q3 2026 (quarter ended Jun 30, 2026), down 0.25 percentage points from 0.24% a year earlier and unchanged from the prior quarter.
Arrowhead Pharmaceuticals (ARWR) Tax Rate (2019 - 2025) Analysis & Trends
On a trailing twelve-month basis, Arrowhead Pharmaceuticals' Tax Rate was -7.95% through Jun 30, 2026, down 6.70 percentage points year-over-year; for FY2025 (ended Sep 30, 2025), it came in at 41.56%, up 41.11 percentage points from FY2024.
- Tax Rate has now increased for three consecutive fiscal years, with a five-year change of +41.57 percentage points (FY2020 to FY2025).
- In earlier fiscal years, Tax Rate was 0.45% in FY2024 (+1.80 pp), -1.35% in FY2023 (+0.84 pp), -2.19% in FY2022 (-2.19 pp) and 0.00% in FY2021 (unchanged).
- The fiscal Q3 2026 figure marks the lowest quarterly Tax Rate since fiscal Q1 2025.
- Compared with a year earlier, Tax Rate was higher in three of the last six quarters, with an average year-over-year change of +9.04 percentage points.
- The best year-over-year quarter for Tax Rate over five years was fiscal Q4 2025 (a gain of 55.69 percentage points); the worst was fiscal Q4 2022 (a drop of 4.60 percentage points).
- Per Business Quant data, ARWR's Tax Rate in the three fiscal quarters before Q3 2026 was -0.01% (Q2 2026), 0.10% (Q1 2026) and 55.37% (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 645.01 Bn | 563.54 Bn | 17.26 Bn | 17.98% |
| 2 | AbbVie | 465.23 Bn | 438.39 Bn | 12.70 Bn | 15.47% |
| 3 | Merck | 368.40 Bn | 322.83 Bn | 12.21 Bn | - |
| 4 | Novartis Ag | 278.02 Bn | 233.89 Bn | 11.24 Bn | - |
| 5 | Astrazeneca | 254.57 Bn | 228.13 Bn | 12.86 Bn | - |
| 6 | Amgen | 229.02 Bn | 184.42 Bn | 7.24 Bn | 14.20% |
| 7 | Gilead Sciences | 187.74 Bn | 161.85 Bn | 6.22 Bn | - |
| 8 | Pfizer | 163.75 Bn | 110.70 Bn | 10.94 Bn | - |
| 9 | Vertex Pharmaceuticals | 133.45 Bn | 105.45 Bn | 2.84 Bn | 20.98% |
| 10 | Arrowhead Pharmaceuticals | 9.35 Bn | 4.13 Bn | - | - |
Historic Data
| Date | Value |
|---|---|
| Dec 31, 2025 | 0.10% |
| Sep 30, 2025 | 55.37% |
| Mar 31, 2025 | 0.47% |
| Sep 30, 2019 | 1.46% |
Arrowhead 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=ARWR&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "ARWR", "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=ARWR&period=max&api_key=YOUR_API_KEY");
const data = await res.json();