TARKX vs. FTHMX

Last updated Jun 4, 2026

TARKX (Tarkio Fund) and FTHMX (FullerThaler Behavioral Mid-Cap Equity Fund Institutional Shares) are both Mid Cap Blend Equities funds. Over the past year, TARKX returned 62.96% vs 27.99% for FTHMX. A 0.77 correlation means they provide meaningful diversification when combined. TARKX charges 1.00%/yr vs 0.83%/yr for FTHMX.

Performance

TARKX vs. FTHMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Tarkio Fund (TARKX) and FullerThaler Behavioral Mid-Cap Equity Fund Institutional Shares (FTHMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TARKX achieves a 24.74% return, which is significantly higher than FTHMX's 14.83% return.

TARKX

• 1D: 2.17%
• 1M: 7.27%
• YTD: 24.74%
• 6M: 22.99%
• 1Y: 62.96%
• 3Y*: 29.68%
• 5Y*: 11.17%
• 10Y*: 15.29%

FTHMX

• 1D: 0.59%
• 1M: 2.44%
• YTD: 14.83%
• 6M: 14.83%
• 1Y: 27.99%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TARKX vs. FTHMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
TARKX Tarkio Fund	24.74%	30.18%	21.72%	11.79%
FTHMX FullerThaler Behavioral Mid-Cap Equity Fund Institutional Shares	14.83%	12.89%	12.48%	11.60%

Correlation

The correlation between TARKX and FTHMX is 0.71, 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	0.71
Correlation (All Time) Calculated using the full available price history since Oct 3, 2023	0.77

The correlation between TARKX and FTHMX has been stable across timeframes, ranging from 0.71 to 0.77 - a consistent structural relationship.

Return for Risk

TARKX vs. FTHMX — Risk / Return Rank

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

TARKX

TARKX Risk / Return Rank: 68
TARKX Sharpe Ratio Rank: 71
TARKX Sortino Ratio Rank: 55
TARKX Omega Ratio Rank: 53
TARKX Calmar Ratio Rank: 84
TARKX Martin Ratio Rank: 79

FTHMX

FTHMX Risk / Return Rank: 72
FTHMX Sharpe Ratio Rank: 63
FTHMX Sortino Ratio Rank: 66
FTHMX Omega Ratio Rank: 56
FTHMX Calmar Ratio Rank: 90
FTHMX Martin Ratio Rank: 86

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.

TARKX vs. FTHMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tarkio Fund (TARKX) and FullerThaler Behavioral Mid-Cap Equity Fund Institutional Shares (FTHMX). 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.

	TARKX	FTHMX	Difference
Sharpe ratio: Return per unit of total volatility	2.46	2.35	+0.11
Sortino ratio: Return per unit of downside risk	3.14	3.40	-0.26
Omega ratio: Gain probability vs. loss probability	1.40	1.41	-0.02
Calmar ratio: Return relative to maximum drawdown	3.98	4.69	-0.71
Martin ratio: Return relative to average drawdown	14.81	16.43	-1.62
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TARKX vs. FTHMX - Sharpe Ratio Comparison

The current TARKX Sharpe Ratio is 2.46, which is comparable to the FTHMX Sharpe Ratio of 2.35. The chart below compares the historical Sharpe Ratios of TARKX and FTHMX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	TARKX	FTHMX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.46	2.35	+0.11
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.41	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.57	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.56	1.31	-0.75

Drawdowns

TARKX vs. FTHMX - Drawdown Comparison

The maximum TARKX drawdown since its inception was -40.55%, which is greater than FTHMX's maximum drawdown of -20.45%. Use the drawdown chart below to compare losses from any high point for TARKX and FTHMX.

Drawdown Indicators

	TARKX	FTHMX	Difference
Max Drawdown Largest peak-to-trough decline	-40.55%	-20.45%	-20.10%
Max Drawdown (1Y) Largest decline over 1 year	-16.99%	-6.33%	-10.66%
Max Drawdown (3Y) Largest decline over 3 years	-36.99%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-40.38%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-40.55%	—	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-10.37%	-3.04%	-7.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.55%	1.80%	+2.75%

Volatility

TARKX vs. FTHMX - Volatility Comparison

Tarkio Fund (TARKX) has a higher volatility of 8.62% compared to FullerThaler Behavioral Mid-Cap Equity Fund Institutional Shares (FTHMX) at 3.45%. This indicates that TARKX's price experiences larger fluctuations and is considered to be riskier than FTHMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TARKX	FTHMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.62%	3.45%	+5.17%
Volatility (6M) Calculated over the trailing 6-month period	21.04%	9.36%	+11.68%
Volatility (1Y) Calculated over the trailing 1-year period	27.50%	12.65%	+14.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.54%	15.43%	+12.11%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.68%	15.43%	+11.25%

TARKX vs. FTHMX - Expense Ratio Comparison

TARKX has a 1.00% expense ratio, which is higher than FTHMX's 0.83% expense ratio.

Dividends

TARKX vs. FTHMX - Dividend Comparison

TARKX's dividend yield for the trailing twelve months is around 4.41%, more than FTHMX's 0.29% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FTHMX FullerThaler Behavioral Mid-Cap Equity Fund Institutional Shares	0.29%	0.33%	0.28%	0.18%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
TARKX Tarkio Fund	4.41%	5.50%	1.51%	2.98%	10.62%	1.40%	0.50%	5.21%	3.34%	1.70%	0.47%	0.36%

Frequently Asked Questions

Can I hold both TARKX and FTHMX in my portfolio?

TARKX and FTHMX have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TARKX or FTHMX?

TARKX has higher volatility (8.62%) compared to FTHMX (3.45%). In terms of maximum drawdown, TARKX dropped -40.55% vs FTHMX's -20.45%.

Which has better risk-adjusted returns?

TARKX currently has the higher Sharpe Ratio (2.46 vs 2.35), 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.