Basis: Trailing twelve months (TTM net income over TTM revenue). Source: stored company filings and market data; unavailable inputs remain N/A.
Is the net profit margin high or low?
The net profit margin of 15.45% is in line with its 5-year average of 15.50%, around the middle of its 5-year range (14.37%–16.14%).
0.43% below its 12-month average of 15.52%.
Reported quarterly profit margin; no daily interpolation. Q2 FY2026 (2026-06-30): 16.04%.
NET PROFIT MARGIN
15.45%
NET PROFIT MARGIN AVG TTM
15.52%
NET PROFIT MARGIN AVG 3Y
15.53%
NET PROFIT MARGIN AVG 5Y
15.50%
NET PROFIT MARGIN AVG 10Y
14.98%
NET PROFIT MARGIN AVG 15Y
14.38%
NET PROFIT MARGIN AVG 20Y
13.58%
CURRENT VS TTM AVG
-0.43%
CURRENT VS 3Y AVG
-0.54%
CURRENT VS 5Y AVG
-0.33%
CURRENT VS 10Y AVG
+3.15%
CURRENT VS 15Y AVG
+7.46%
CURRENT VS 20Y AVG
+13.77%
SECTOR MEDIAN · INDUSTRIALS
9.86%
median of 154 covered companies
CURRENT VS SECTOR MEDIAN
+56.77%
vs the sector median at left
Fastenal Company
Market Cap
$56.70B
Net Profit Margin
15.45%
TTM Avg
15.52%
3Y Avg
15.53%
5Y Avg
15.50%
Market Cap
$55.49B
Net Profit Margin
12.78%
TTM Avg
9.33%
3Y Avg
7.70%
5Y Avg
6.79%
Market Cap
$59.94B
Net Profit Margin
9.92%
TTM Avg
10.31%
3Y Avg
10.47%
5Y Avg
9.30%
Market Cap
$60.69B
Net Profit Margin
21.28%
TTM Avg
22.54%
3Y Avg
20.18%
5Y Avg
18.10%
Market Cap
$51.88B
Net Profit Margin
5.79%
TTM Avg
6.76%
3Y Avg
6.02%
5Y Avg
-7.91%
Market Cap
$61.57B
Net Profit Margin
15.67%
TTM Avg
16.14%
3Y Avg
16.81%
5Y Avg
15.33%
Market Cap
$50.23B
Net Profit Margin
10.23%
TTM Avg
14.23%
3Y Avg
16.47%
5Y Avg
16.47%
| NAME | MARKET CAP | NET PROFIT MARGIN | TTM | 3Y | 5Y |
|---|---|---|---|---|---|
| Fastenal Company (FAST) | $56.70B | 15.45% | 15.52% | 15.53% | 15.50% |
| Comfort Systems USA, Inc. (FIX)vs › | $55.49B | 12.78% | 9.33% | 7.70% | 6.79% |
| AMETEK, Inc. (AME)vs › | $53.74B | 20.04% | 19.91% | 19.65% | 19.28% |
| W.W. Grainger, Inc. (GWW)vs › | $59.94B | 9.92% | 10.31% | 10.47% | 9.30% |
| TransDigm Group Incorporated (TDG)vs › | $60.69B | 21.28% | 22.54% | 20.18% | 18.10% |
| Delta Air Lines, Inc. (DAL)vs › | $51.88B | 5.79% | 6.76% | 6.02% | -7.91% |
| United Rentals, Inc. (URI)vs › | $61.57B | 15.67% | 16.14% | 16.81% | 15.33% |
| Honeywell Aerospace Inc (HONA)vs › | $50.23B | 10.23% | 14.23% | 16.47% | 16.47% |
| PACCAR Inc (PCAR)vs › | $64.46B | 9.18% | 10.36% | 11.06% | 9.86% |
| Honeywell International Inc. (HON)vs › | $64.48B | 22.73% | 14.53% | 15.05% | 15.16% |
Operating Margin
20.3%
Net Profit Margin
15.4%
Net Profit Margin = Net Income / Revenue
Net profit margin is the percentage of revenue that becomes net income after all expenses, taxes, and interest.
Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute
| DATE | NET PROFIT MARGIN |
|---|---|
| 2026-06-30 | 16.04% |
| 2026-03-31 | 15.43% |
| 2025-12-31 | 14.51% |
| 2025-09-30 | 15.73% |
| 2025-06-30 | 15.88% |
| 2025-03-31 | 15.24% |
| 2024-12-31 | 14.37% |
| 2024-09-30 | 15.61% |
| 2024-06-30 | 15.28% |
| 2024-03-31 | 15.71% |
| 2023-12-31 | 15.15% |
| 2023-09-30 | 16.01% |
| 2023-06-30 | 15.82% |
| 2023-03-31 | 15.87% |
| 2022-12-31 | 14.48% |
| 2022-09-30 | 15.79% |
| 2022-06-30 | 16.14% |
| 2022-03-31 | 15.82% |
| 2021-12-31 | 15.09% |
| 2021-09-30 | 15.67% |
| 2021-06-30 | 15.90% |
| 2021-03-31 | 14.86% |
| 2020-12-31 | 14.44% |
| 2020-09-30 | 15.67% |
| 2020-06-30 | 15.83% |
| 2020-03-31 | 14.82% |
| 2019-12-31 | 13.99% |
| 2019-09-30 | 15.48% |
| 2019-06-30 | 14.95% |
| 2019-03-31 | 14.82% |
| 2018-12-31 | 13.71% |
| 2018-09-30 | 15.44% |
| 2018-06-30 | 16.66% |
| 2018-03-31 | 14.70% |
| 2017-12-31 | 14.00% |
| 2017-09-30 | 12.63% |
| 2017-06-30 | 13.28% |
| 2017-03-31 | 12.81% |
| 2016-12-31 | 12.11% |
| 2016-09-30 | 12.53% |
| 2016-06-30 | 12.96% |
| 2016-03-31 | 12.79% |
| 2015-12-31 | 12.13% |
| 2015-09-30 | 13.71% |
| 2015-06-30 | 14.07% |
| 2015-03-31 | 13.39% |
| 2014-12-31 | 12.78% |
| 2014-09-30 | 13.59% |
| 2014-06-30 | 13.74% |
| 2014-03-31 | 12.77% |
| 2013-12-31 | 12.19% |
| 2013-09-30 | 13.90% |
| 2013-06-30 | 14.28% |
| 2013-03-31 | 13.52% |
| 2012-12-31 | 13.04% |
| 2012-09-30 | 13.62% |
| 2012-06-30 | 13.95% |
| 2012-03-31 | 13.03% |
| 2011-12-31 | 12.54% |
| 2011-09-30 | 13.32% |
| 2011-06-30 | 13.41% |
| 2011-03-31 | 12.42% |
| 2010-12-31 | 11.36% |
| 2010-09-30 | 12.42% |
| 2010-06-30 | 12.11% |
| 2010-03-31 | 10.76% |
| 2009-12-31 | 9.34% |
| 2009-09-30 | 9.73% |
| 2009-06-30 | 9.17% |
| 2009-03-31 | 9.95% |
| 2008-12-31 | 11.48% |
| 2008-09-30 | 11.66% |
| 2008-06-30 | 12.61% |
| 2008-03-21 | 12.03% |
| 2007-12-31 | 10.82% |
| 2007-09-30 | 11.64% |
| 2007-06-30 | 11.59% |
| 2007-03-31 | 11.05% |
| 2006-12-31 | 10.16% |
| 2006-09-30 | 11.51% |
| 2006-06-30 | 11.23% |
| 2006-03-31 | 11.08% |
| 2005-12-31 | 10.20% |
| 2005-09-30 | 11.43% |
| 2005-06-30 | 11.65% |
| 2005-03-31 | 10.47% |
| 2004-12-31 | 10.45% |
| 2004-09-30 | 10.67% |
| 2004-06-30 | 11.23% |
| 2004-03-31 | 9.90% |
| 2003-12-31 | 7.90% |
| 2003-09-30 | 9.00% |
| 2003-06-30 | 8.80% |
| 2003-03-31 | 8.07% |
| 2002-12-31 | 7.70% |
| 2002-09-30 | 8.03% |
