TOWFX vs. OANMX

Last updated Jun 23, 2026

TOWFX (Towpath Focus Fund) and OANMX (Oakmark Fund Institutional Class) are both Large Cap Value Equities funds. Over the past 5 years, TOWFX returned 11.79%/yr vs 10.49%/yr for OANMX. Their correlation of 0.88 suggests significant overlap in exposure. TOWFX charges 1.11%/yr vs 0.68%/yr for OANMX.

Performance

TOWFX vs. OANMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Towpath Focus Fund (TOWFX) and Oakmark Fund Institutional Class (OANMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TOWFX achieves a 6.57% return, which is significantly higher than OANMX's -1.91% return.

TOWFX

• 1D: -0.73%
• 1M: -0.78%
• YTD: 6.57%
• 6M: 6.23%
• 1Y: 23.14%
• 3Y*: 17.80%
• 5Y*: 11.79%
• 10Y*: —

OANMX

• 1D: -0.45%
• 1M: -1.02%
• YTD: -1.91%
• 6M: -2.54%
• 1Y: 9.22%
• 3Y*: 13.57%
• 5Y*: 10.49%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

TOWFX vs. OANMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
TOWFX Towpath Focus Fund	6.57%	23.51%	13.22%	12.33%	-2.06%	26.52%	19.46%	0.00%
OANMX Oakmark Fund Institutional Class	-1.91%	14.38%	16.28%	31.21%	-13.18%	34.87%	13.09%	0.34%

Correlation

The correlation between TOWFX and OANMX is 0.72, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.72
Correlation (3Y) Calculated over the trailing 3-year period	0.80
Correlation (5Y) Calculated over the trailing 5-year period	0.86
Correlation (All Time) Calculated using the full available price history since Dec 31, 2019	0.88

The correlation between TOWFX and OANMX shifts across timeframes, from 0.72 (1 year) to 0.88 (all time), reflecting how their relationship changes across market environments.

Return for Risk

TOWFX vs. OANMX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

TOWFX

TOWFX Risk / Return Rank: 85
TOWFX Sharpe Ratio Rank: 83
TOWFX Sortino Ratio Rank: 84
TOWFX Omega Ratio Rank: 74
TOWFX Calmar Ratio Rank: 93
TOWFX Martin Ratio Rank: 93

OANMX

OANMX Risk / Return Rank: 11
OANMX Sharpe Ratio Rank: 9
OANMX Sortino Ratio Rank: 9
OANMX Omega Ratio Rank: 9
OANMX Calmar Ratio Rank: 16
OANMX Martin Ratio Rank: 12

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

TOWFX vs. OANMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Towpath Focus Fund (TOWFX) and Oakmark Fund Institutional Class (OANMX). 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.

	TOWFX	OANMX	Difference
Sharpe ratio: Return per unit of total volatility	2.50	0.71	+1.80
Sortino ratio: Return per unit of downside risk	3.66	1.10	+2.57
Omega ratio: Gain probability vs. loss probability	1.44	1.13	+0.31
Calmar ratio: Return relative to maximum drawdown	4.87	1.34	+3.52
Martin ratio: Return relative to average drawdown	18.34	3.33	+15.01

TOWFX vs. OANMX - Sharpe Ratio Comparison

The current TOWFX Sharpe Ratio is 2.50, which is higher than the OANMX Sharpe Ratio of 0.71. The chart below compares the historical Sharpe Ratios of TOWFX and OANMX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

TOWFX vs. OANMX - Drawdown Comparison

The maximum TOWFX drawdown since its inception was -96.18%, which is greater than OANMX's maximum drawdown of -40.08%. Use the drawdown chart below to compare losses from any high point for TOWFX and OANMX.

Drawdown Indicators

	TOWFX	OANMX	Difference
Max Drawdown Largest peak-to-trough decline	-96.18%	-40.08%	-56.10%
Max Drawdown (1Y) Largest decline over 1 year	-4.72%	-6.93%	+2.21%
Max Drawdown (3Y) Largest decline over 3 years	-96.18%	-17.01%	-79.17%
Max Drawdown (5Y) Largest decline over 5 years	-96.18%	-23.55%	-72.63%
Current Drawdown Current decline from peak	-94.73%	-4.43%	-90.30%
Average Drawdown Average peak-to-trough decline	-23.54%	-5.57%	-17.97%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.25%	2.79%	-1.54%

Volatility

TOWFX vs. OANMX - Volatility Comparison

The current volatility for Towpath Focus Fund (TOWFX) is 2.87%, while Oakmark Fund Institutional Class (OANMX) has a volatility of 3.89%. This indicates that TOWFX experiences smaller price fluctuations and is considered to be less risky than OANMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TOWFX	OANMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.87%	3.89%	-1.02%
Volatility (6M) Calculated over the trailing 6-month period	6.92%	9.45%	-2.53%
Volatility (1Y) Calculated over the trailing 1-year period	9.17%	13.18%	-4.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1,041.55%	18.30%	+1,023.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	916.63%	20.62%	+896.01%

TOWFX vs. OANMX - Expense Ratio Comparison

TOWFX has a 1.11% expense ratio, which is higher than OANMX's 0.68% expense ratio.

Dividends

TOWFX vs. OANMX - Dividend Comparison

TOWFX's dividend yield for the trailing twelve months is around 1.71%, more than OANMX's 1.16% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
OANMX Oakmark Fund Institutional Class	1.16%	1.14%	1.34%	1.22%	1.17%	1.94%	0.33%	8.53%	8.37%	0.66%
TOWFX Towpath Focus Fund	1.71%	1.82%	1.49%	2.81%	2.05%	5.69%	5.94%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TOWFX and OANMX in my portfolio?

TOWFX and OANMX have a correlation of 0.72, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TOWFX or OANMX?

OANMX has higher volatility (3.89%) compared to TOWFX (2.87%). In terms of maximum drawdown, TOWFX dropped -96.18% vs OANMX's -40.08%.

Which has better risk-adjusted returns?

TOWFX currently has the higher Sharpe Ratio (2.50 vs 0.71), 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.