AJG vs. DCI
AJG (Arthur J. Gallagher & Co.) and DCI (Donaldson Company, Inc.) are both stocks. AJG operates in Insurance Brokers (Financial Services), while DCI operates in Specialty Industrial Machinery (Industrials). Over the past 10 years, AJG returned 18.56%/yr vs 11.09%/yr for DCI. At a 0.29 correlation, their price movements are largely independent.
Performance
AJG vs. DCI - Performance Comparison
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Returns By Period
In the year-to-date period, AJG achieves a -14.95% return, which is significantly lower than DCI's -2.28% return. Over the past 10 years, AJG has outperformed DCI with an annualized return of 18.56%, while DCI has yielded a comparatively lower 11.09% annualized return.
AJG
- 1D
- -1.00%
- 1M
- 9.74%
- YTD
- -14.95%
- 6M
- -13.82%
- 1Y
- -30.16%
- 3Y*
- 2.53%
- 5Y*
- 9.77%
- 10Y*
- 18.56%
DCI
- 1D
- 1.18%
- 1M
- 5.44%
- YTD
- -2.28%
- 6M
- -6.11%
- 1Y
- 27.67%
- 3Y*
- 13.77%
- 5Y*
- 8.47%
- 10Y*
- 11.09%
AJG vs. DCI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AJG Arthur J. Gallagher & Co. | -14.95% | -8.03% | 27.34% | 20.51% | 12.44% | 39.02% | 32.12% | 31.79% | 19.19% | 25.04% |
DCI Donaldson Company, Inc. | -2.28% | 33.71% | 4.62% | 12.80% | 0.96% | 7.56% | -1.41% | 34.98% | -9.95% | 18.17% |
Correlation
The correlation between AJG and DCI is 0.06, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.06 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.16 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.34 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.38 |
Correlation (All Time) Calculated using the full available price history since Jun 18, 1987 | 0.29 |
Over the past year, the correlation between AJG and DCI has dropped to 0.06 - well below their long-term average of 0.29, suggesting their price drivers have been diverging.
Fundamentals
AJG:
$5.74
DCI:
$3.72
AJG:
38.12
DCI:
23.23
AJG:
3.95
DCI:
2.69
AJG:
4.08
DCI:
2.68
AJG:
$13.94B
DCI:
$3.81B
AJG:
$7.63B
DCI:
$1.30B
AJG:
$3.66B
DCI:
$664.30M
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Return for Risk
AJG vs. DCI — Risk / Return Rank
AJG
DCI
AJG vs. DCI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Arthur J. Gallagher & Co. (AJG) and Donaldson Company, Inc. (DCI). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| AJG | DCI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.11 | ||
| Sortino ratioReturn per unit of downside risk | -3.00 | ||
| Omega ratioGain probability vs. loss probability | 0.81 | 1.21 | -0.40 |
| Calmar ratioReturn relative to maximum drawdown | -0.76 | 1.00 | -1.76 |
| Martin ratioReturn relative to average drawdown | -1.30 | 2.17 | -3.46 |
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Drawdowns
AJG vs. DCI - Drawdown Comparison
The maximum AJG drawdown since its inception was -57.49%, roughly equal to the maximum DCI drawdown of -56.90%. Use the drawdown chart below to compare losses from any high point for AJG and DCI.
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Drawdown Indicators
| AJG | DCI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -57.49% | -56.90% | -0.59% |
Max Drawdown (1Y)Largest decline over 1 year | -40.64% | -26.05% | -14.59% |
Max Drawdown (3Y)Largest decline over 3 years | -44.40% | -26.05% | -18.35% |
Max Drawdown (5Y)Largest decline over 5 years | -44.40% | -32.20% | -12.20% |
Max Drawdown (10Y)Largest decline over 10 years | -44.40% | -42.72% | -1.68% |
Current DrawdownCurrent decline from peak | -36.46% | -21.65% | -14.81% |
Average DrawdownAverage peak-to-trough decline | -12.83% | -11.09% | -1.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 23.87% | 11.98% | +11.89% |
Volatility
AJG vs. DCI - Volatility Comparison
Arthur J. Gallagher & Co. (AJG) and Donaldson Company, Inc. (DCI) have volatilities of 8.37% and 8.17%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AJG | DCI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.37% | 8.17% | +0.20% |
Volatility (6M)Calculated over the trailing 6-month period | 22.48% | 20.95% | +1.53% |
Volatility (1Y)Calculated over the trailing 1-year period | 27.85% | 26.36% | +1.49% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.98% | 23.53% | -0.55% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.08% | 25.90% | -2.82% |
Dividends
AJG vs. DCI - Dividend Comparison
AJG's dividend yield for the trailing twelve months is around 1.23%, less than DCI's 1.39% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AJG Arthur J. Gallagher & Co. | 1.23% | 1.00% | 0.85% | 0.98% | 1.08% | 1.13% | 1.46% | 1.81% | 2.23% | 2.47% | 2.93% | 3.62% |
DCI Donaldson Company, Inc. | 1.39% | 1.32% | 1.57% | 1.50% | 1.55% | 1.47% | 1.50% | 1.42% | 1.73% | 1.45% | 1.65% | 2.36% |
Financials
AJG vs. DCI - Financials Comparison
This section allows you to compare key financial metrics between Arthur J. Gallagher & Co. and Donaldson Company, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
AJG vs. DCI - Profitability Comparison
AJG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Arthur J. Gallagher & Co. reported a gross profit of 1.42B and revenue of 3.63B. Therefore, the gross margin over that period was 39.1%.
DCI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Donaldson Company, Inc. reported a gross profit of 333.40M and revenue of 995.10M. Therefore, the gross margin over that period was 33.5%.
AJG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Arthur J. Gallagher & Co. reported an operating income of 341.00M and revenue of 3.63B, resulting in an operating margin of 9.4%.
DCI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Donaldson Company, Inc. reported an operating income of 155.30M and revenue of 995.10M, resulting in an operating margin of 15.6%.
AJG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Arthur J. Gallagher & Co. reported a net income of 151.00M and revenue of 3.63B, resulting in a net margin of 4.2%.
DCI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Donaldson Company, Inc. reported a net income of 118.10M and revenue of 995.10M, resulting in a net margin of 11.9%.
Frequently Asked Questions
AJG and DCI have a correlation of 0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AJG has higher volatility (8.37%) compared to DCI (8.17%). In terms of maximum drawdown, AJG dropped -57.49% vs DCI's -56.90%.
DCI currently has the higher Sharpe Ratio (0.99 vs -1.12), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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