W.W. Grainger (GWW) Operating Margin (2009 - 2026)
W.W. Grainger's Operating Margin was 15.98% in Q3 2026, up 5.01 percentage points from 10.97% a year earlier but down 0.09 percentage points from the prior quarter.
Powered by 
Analysis
W.W. Grainger (GWW) Operating Margin (2009 - 2026) Analysis & Trends
On a trailing twelve-month basis, W.W. Grainger's Operating Margin was 15.81% through Sep 30, 2026, up 1.76 percentage points year-over-year; for FY2025, it came in at 13.91%, down 1.45 percentage points from FY2024.
- Operating Margin shows a five-year change of +5.27 percentage points (FY2020 to FY2025).
- In earlier years, Operating Margin was 15.36% in FY2024 (-0.21 pp), 15.57% in FY2023 (+1.02 pp), 14.55% in FY2022 (+2.67 pp) and 11.88% in FY2021 (+3.24 pp).
- Quarterly Operating Margin has moved between 10.97% (Q3 2025) and 16.72% (Q1 2026) over five years.
- Compared with a year earlier, Operating Margin has increased for three straight quarters, with an average year-over-year change of +0.34 percentage points over the last eight quarters.
- The best year-over-year quarter for Operating Margin over five years was Q3 2026 (a gain of 5.01 percentage points); the worst was Q3 2025 (a drop of 4.66 percentage points).
- Per Business Quant data, GWW's Operating Margin in the three quarters before Q3 2026 was 16.07% (Q2 2026), 16.72% (Q1 2026) and 14.33% (Q4 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | United Rentals | 70.28 Bn | 69.40 Bn | 2.05 Bn | 28.80% |
| 2 | W.W. Grainger | 68.56 Bn | 65.93 Bn | 2.01 Bn | 15.98% |
| 3 | Fastenal | 62.12 Bn | 61.12 Bn | 1.10 Bn | 21.55% |
| 4 | Ferguson Enterprises | 50.57 Bn | 47.78 Bn | 2.32 Bn | 8.19% |
| 5 | Sunbelt Rentals Holdings | 33.19 Bn | 33.07 Bn | 1.25 Bn | 22.18% |
| 6 | Reliance | 21.51 Bn | 20.56 Bn | 1.45 Bn | 10.59% |
| 7 | Wesco International | 15.21 Bn | 12.26 Bn | 1.57 Bn | 6.24% |
| 8 | Watsco | 11.99 Bn | 9.68 Bn | 578.93 Mn | 11.32% |
| 9 | Applied Industrial Technologies | 10.80 Bn | 10.69 Bn | 392.21 Mn | 11.12% |
| 10 | Avantor | 10.51 Bn | 9.10 Bn | 534.80 Mn | 8.21% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 15.98% |
| Jun 30, 2026 | 16.07% |
| Mar 31, 2026 | 16.72% |
| Dec 31, 2025 | 14.33% |
| Sep 30, 2025 | 10.97% |
| Jun 30, 2025 | 14.89% |
| Mar 31, 2025 | 15.61% |
| Dec 31, 2024 | 14.95% |
| Sep 30, 2024 | 15.63% |
| Jun 30, 2024 | 15.05% |
| Mar 31, 2024 | 15.80% |
| Dec 31, 2023 | 13.94% |
| Sep 30, 2023 | 15.85% |
| Jun 30, 2023 | 15.81% |
| Mar 31, 2023 | 16.62% |
| Dec 31, 2022 | 14.31% |
| Sep 30, 2022 | 15.30% |
| Jun 30, 2022 | 13.92% |
| Mar 31, 2022 | 14.64% |
| Dec 31, 2021 | 12.41% |
API Access
W.W. Grainger Operating Margin 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=operating-margin&ticker=GWW&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operating-margin", "ticker": "GWW", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=operating-margin&ticker=GWW&period=max&api_key=YOUR_API_KEY");
const data = await res.json();