WAMFX vs. KMVAX

Last updated Jun 4, 2026

WAMFX (Boston Trust Walden Midcap Fund) and KMVAX (Kirr Marbach Partners Value Fund) are both Mid Cap Blend Equities funds. Over the past 10 years, WAMFX returned 10.22%/yr vs 11.39%/yr for KMVAX. Their correlation of 0.89 suggests significant overlap in exposure. WAMFX charges 0.99%/yr vs 1.45%/yr for KMVAX.

Performance

WAMFX vs. KMVAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Boston Trust Walden Midcap Fund (WAMFX) and Kirr Marbach Partners Value Fund (KMVAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WAMFX achieves a 2.36% return, which is significantly lower than KMVAX's 14.03% return. Over the past 10 years, WAMFX has underperformed KMVAX with an annualized return of 10.22%, while KMVAX has yielded a comparatively higher 11.39% annualized return.

WAMFX

• 1D: 0.35%
• 1M: 2.41%
• YTD: 2.36%
• 6M: 1.96%
• 1Y: 6.50%
• 3Y*: 9.80%
• 5Y*: 6.00%
• 10Y*: 10.22%

KMVAX

• 1D: 0.48%
• 1M: 1.04%
• YTD: 14.03%
• 6M: 11.46%
• 1Y: 22.13%
• 3Y*: 22.39%
• 5Y*: 13.23%
• 10Y*: 11.39%

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

WAMFX vs. KMVAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WAMFX Boston Trust Walden Midcap Fund	2.36%	4.82%	10.39%	13.90%	-10.87%	24.85%	9.56%	36.98%	-3.59%	16.21%
KMVAX Kirr Marbach Partners Value Fund	14.03%	14.44%	27.82%	20.42%	-16.01%	28.83%	2.96%	27.03%	-19.72%	16.12%

Correlation

The correlation between WAMFX and KMVAX is 0.67, 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	0.67
Correlation (3Y) Calculated over the trailing 3-year period	0.76
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.87
Correlation (All Time) Calculated using the full available price history since Aug 2, 2011	0.89

Over the past year, the correlation between WAMFX and KMVAX has dropped to 0.67 - well below their long-term average of 0.89, suggesting their price drivers have been diverging.

Return for Risk

WAMFX vs. KMVAX — Risk / Return Rank

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

WAMFX

WAMFX Risk / Return Rank: 8
WAMFX Sharpe Ratio Rank: 8
WAMFX Sortino Ratio Rank: 8
WAMFX Omega Ratio Rank: 8
WAMFX Calmar Ratio Rank: 9
WAMFX Martin Ratio Rank: 9

KMVAX

KMVAX Risk / Return Rank: 29
KMVAX Sharpe Ratio Rank: 28
KMVAX Sortino Ratio Rank: 27
KMVAX Omega Ratio Rank: 26
KMVAX Calmar Ratio Rank: 37
KMVAX Martin Ratio Rank: 25

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.

WAMFX vs. KMVAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Boston Trust Walden Midcap Fund (WAMFX) and Kirr Marbach Partners Value Fund (KMVAX). 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.

	WAMFX	KMVAX	Difference
Sharpe ratio: Return per unit of total volatility	0.63	1.51	-0.88
Sortino ratio: Return per unit of downside risk	1.02	2.18	-1.16
Omega ratio: Gain probability vs. loss probability	1.12	1.27	-0.15
Calmar ratio: Return relative to maximum drawdown	0.89	2.30	-1.41
Martin ratio: Return relative to average drawdown	2.58	6.27	-3.69
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WAMFX vs. KMVAX - Sharpe Ratio Comparison

The current WAMFX Sharpe Ratio is 0.63, which is lower than the KMVAX Sharpe Ratio of 1.51. The chart below compares the historical Sharpe Ratios of WAMFX and KMVAX, 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

	WAMFX	KMVAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.63	1.51	-0.88
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.38	0.72	-0.34
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.59	0.57	+0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.62	0.42	+0.19

Drawdowns

WAMFX vs. KMVAX - Drawdown Comparison

The maximum WAMFX drawdown since its inception was -36.81%, smaller than the maximum KMVAX drawdown of -65.81%. Use the drawdown chart below to compare losses from any high point for WAMFX and KMVAX.

Drawdown Indicators

	WAMFX	KMVAX	Difference
Max Drawdown Largest peak-to-trough decline	-36.81%	-65.81%	+29.00%
Max Drawdown (1Y) Largest decline over 1 year	-8.38%	-10.22%	+1.84%
Max Drawdown (3Y) Largest decline over 3 years	-17.51%	-21.26%	+3.75%
Max Drawdown (5Y) Largest decline over 5 years	-20.82%	-24.84%	+4.02%
Max Drawdown (10Y) Largest decline over 10 years	-36.81%	-45.41%	+8.60%
Current Drawdown Current decline from peak	-2.21%	-1.04%	-1.17%
Average Drawdown Average peak-to-trough decline	-3.94%	-9.99%	+6.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.88%	3.73%	-0.85%

Volatility

WAMFX vs. KMVAX - Volatility Comparison

The current volatility for Boston Trust Walden Midcap Fund (WAMFX) is 2.98%, while Kirr Marbach Partners Value Fund (KMVAX) has a volatility of 4.16%. This indicates that WAMFX experiences smaller price fluctuations and is considered to be less risky than KMVAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WAMFX	KMVAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.98%	4.16%	-1.18%
Volatility (6M) Calculated over the trailing 6-month period	8.17%	11.82%	-3.65%
Volatility (1Y) Calculated over the trailing 1-year period	11.91%	15.56%	-3.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.81%	18.39%	-2.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.48%	20.14%	-2.66%

WAMFX vs. KMVAX - Expense Ratio Comparison

WAMFX has a 0.99% expense ratio, which is lower than KMVAX's 1.45% expense ratio.

Dividends

WAMFX vs. KMVAX - Dividend Comparison

WAMFX's dividend yield for the trailing twelve months is around 7.06%, more than KMVAX's 4.64% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
KMVAX Kirr Marbach Partners Value Fund	4.64%	5.30%	7.58%	3.35%	3.57%	3.72%	1.35%	2.11%	9.38%	6.87%	5.64%	0.34%
WAMFX Boston Trust Walden Midcap Fund	7.06%	7.23%	3.49%	4.84%	5.55%	4.82%	3.87%	12.83%	7.08%	0.45%	5.06%	5.54%

Frequently Asked Questions

Can I hold both WAMFX and KMVAX in my portfolio?

WAMFX and KMVAX have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WAMFX or KMVAX?

KMVAX has higher volatility (4.16%) compared to WAMFX (2.98%). In terms of maximum drawdown, WAMFX dropped -36.81% vs KMVAX's -65.81%.

Which has better risk-adjusted returns?

KMVAX currently has the higher Sharpe Ratio (1.51 vs 0.63), 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.