Amphenol (APH) Tax Rate (2009 - 2026)
Amphenol's Tax Rate was 25.30% in Q2 2026, up 6.96 percentage points from 18.34% a year earlier but down 17.38 percentage points from the prior quarter.
Powered by 
Analysis
Amphenol (APH) Tax Rate (2009 - 2026) Analysis & Trends
On a trailing twelve-month basis, Amphenol's Tax Rate was 29.17% through Jun 30, 2026, up 9.39 percentage points year-over-year; for FY2025, it came in at 23.13%, up 4.19 percentage points from FY2024.
- Tax Rate shows a five-year change of +2.61 percentage points (FY2020 to FY2025).
- In earlier years, Tax Rate was 18.93% in FY2024 (-1.81 pp), 20.75% in FY2023 (-1.57 pp), 22.31% in FY2022 (+1.75 pp) and 20.57% in FY2021 (+0.04 pp).
- Quarterly Tax Rate has moved between 16.70% (Q1 2024) and 42.68% (Q1 2026) over five years.
- Compared with a year earlier, Tax Rate has increased for four straight quarters, with an average year-over-year change of +5.15 percentage points over the last eight quarters.
- The best year-over-year quarter for Tax Rate over five years was Q1 2026 (a gain of 19.97 percentage points); the worst was Q3 2023 (a drop of 4.92 percentage points).
- Per Business Quant data, APH's Tax Rate in the three quarters before Q2 2026 was 42.68% (Q1 2026), 26.90% (Q4 2025) and 23.51% (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Caterpillar | 267.46 Bn | 238.77 Bn | 7.35 Bn | 22.94% |
| 2 | Amphenol | 197.37 Bn | 192.21 Bn | 4.02 Bn | 27.38% |
| 3 | Deere | 185.36 Bn | 194.13 Bn | 4.66 Bn | 28.11% |
| 4 | Eaton | 137.64 Bn | 134.62 Bn | 3.11 Bn | 21.24% |
| 5 | Parker-Hannifin | 121.80 Bn | 119.79 Bn | 2.26 Bn | 22.25% |
| 6 | 3M | 97.84 Bn | 80.25 Bn | 2.78 Bn | 15.63% |
| 7 | Emerson Electric | 93.37 Bn | 85.86 Bn | 2.74 Bn | 25.27% |
| 8 | Illinois Tool Works | 81.86 Bn | 78.53 Bn | 1.91 Bn | 24.40% |
| 9 | Vertiv Holdings | 74.77 Bn | 63.62 Bn | 1.64 Bn | 23.15% |
| 10 | Tenaris | 64.57 Bn | 36.09 Bn | 1.07 Bn | - |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 27.38% |
| Jun 30, 2026 | 25.30% |
| Mar 31, 2026 | 42.68% |
| Dec 31, 2025 | 26.90% |
| Sep 30, 2025 | 23.51% |
| Jun 30, 2025 | 18.34% |
| Mar 31, 2025 | 22.71% |
| Dec 31, 2024 | 17.39% |
| Sep 30, 2024 | 21.43% |
| Jun 30, 2024 | 20.35% |
| Mar 31, 2024 | 16.70% |
| Dec 31, 2023 | 21.99% |
| Sep 30, 2023 | 18.18% |
| Jun 30, 2023 | 21.92% |
| Mar 31, 2023 | 20.93% |
| Dec 31, 2022 | 19.20% |
| Sep 30, 2022 | 23.11% |
| Jun 30, 2022 | 23.28% |
| Mar 31, 2022 | 23.82% |
| Dec 31, 2021 | 18.85% |
API Access
Amphenol 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=APH&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "APH", "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=APH&period=max&api_key=YOUR_API_KEY");
const data = await res.json();