WESWX vs. TMMAX

Last updated Jun 4, 2026

WESWX (TETON Westwood Equity Fund) and TMMAX (SEI Institutional Managed Trust Tax-Managed Managed Volatility Fund) are both Large Cap Value Equities funds. Over the past 10 years, WESWX returned 8.71%/yr vs 10.08%/yr for TMMAX. Their correlation of 0.91 suggests significant overlap in exposure. WESWX charges 1.64%/yr vs 1.00%/yr for TMMAX.

Performance

WESWX vs. TMMAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in TETON Westwood Equity Fund (WESWX) and SEI Institutional Managed Trust Tax-Managed Managed Volatility Fund (TMMAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with WESWX having a 5.17% return and TMMAX slightly lower at 5.01%. Over the past 10 years, WESWX has underperformed TMMAX with an annualized return of 8.71%, while TMMAX has yielded a comparatively higher 10.08% annualized return.

WESWX

• 1D: 0.28%
• 1M: 0.96%
• YTD: 5.17%
• 6M: 4.97%
• 1Y: 10.78%
• 3Y*: 9.49%
• 5Y*: 5.25%
• 10Y*: 8.71%

TMMAX

• 1D: 0.06%
• 1M: 1.81%
• YTD: 5.01%
• 6M: 5.26%
• 1Y: 10.22%
• 3Y*: 12.88%
• 5Y*: 9.74%
• 10Y*: 10.08%

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

WESWX vs. TMMAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WESWX TETON Westwood Equity Fund	5.17%	5.14%	9.72%	7.48%	-7.14%	22.02%	2.33%	26.97%	-6.41%	20.40%
TMMAX SEI Institutional Managed Trust Tax-Managed Managed Volatility Fund	5.01%	11.03%	17.07%	7.32%	-3.11%	24.10%	1.32%	24.00%	-2.84%	15.19%

Correlation

The correlation between WESWX and TMMAX is 0.83, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.83
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (10Y) Calculated over the trailing 10-year period	0.89
Correlation (All Time) Calculated using the full available price history since Dec 24, 2007	0.91

The correlation between WESWX and TMMAX has been stable across timeframes, ranging from 0.83 to 0.91 - a consistent structural relationship.

Return for Risk

WESWX vs. TMMAX — Risk / Return Rank

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

WESWX

WESWX Risk / Return Rank: 19
WESWX Sharpe Ratio Rank: 16
WESWX Sortino Ratio Rank: 16
WESWX Omega Ratio Rank: 16
WESWX Calmar Ratio Rank: 20
WESWX Martin Ratio Rank: 25

TMMAX

TMMAX Risk / Return Rank: 22
TMMAX Sharpe Ratio Rank: 20
TMMAX Sortino Ratio Rank: 20
TMMAX Omega Ratio Rank: 18
TMMAX Calmar Ratio Rank: 24
TMMAX Martin Ratio Rank: 26

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.

WESWX vs. TMMAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for TETON Westwood Equity Fund (WESWX) and SEI Institutional Managed Trust Tax-Managed Managed Volatility Fund (TMMAX). 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.

	WESWX	TMMAX	Difference
Sharpe ratio: Return per unit of total volatility	1.16	1.28	-0.12
Sortino ratio: Return per unit of downside risk	1.70	1.89	-0.18
Omega ratio: Gain probability vs. loss probability	1.21	1.22	-0.02
Calmar ratio: Return relative to maximum drawdown	1.61	1.82	-0.21
Martin ratio: Return relative to average drawdown	6.09	6.36	-0.26
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WESWX vs. TMMAX - Sharpe Ratio Comparison

The current WESWX Sharpe Ratio is 1.16, which is comparable to the TMMAX Sharpe Ratio of 1.28. The chart below compares the historical Sharpe Ratios of WESWX and TMMAX, 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

	WESWX	TMMAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.16	1.28	-0.12
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.38	0.51	-0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.53	0.57	-0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.57	0.54	+0.02

Drawdowns

WESWX vs. TMMAX - Drawdown Comparison

The maximum WESWX drawdown since its inception was -52.38%, which is greater than TMMAX's maximum drawdown of -41.50%. Use the drawdown chart below to compare losses from any high point for WESWX and TMMAX.

Drawdown Indicators

	WESWX	TMMAX	Difference
Max Drawdown Largest peak-to-trough decline	-52.38%	-41.50%	-10.88%
Max Drawdown (1Y) Largest decline over 1 year	-7.10%	-5.78%	-1.32%
Max Drawdown (3Y) Largest decline over 3 years	-14.99%	-23.00%	+8.01%
Max Drawdown (5Y) Largest decline over 5 years	-17.50%	-23.00%	+5.50%
Max Drawdown (10Y) Largest decline over 10 years	-36.42%	-33.41%	-3.01%
Current Drawdown Current decline from peak	-0.47%	-6.35%	+5.88%
Average Drawdown Average peak-to-trough decline	-7.86%	-5.57%	-2.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.87%	1.65%	+0.22%

Volatility

WESWX vs. TMMAX - Volatility Comparison

TETON Westwood Equity Fund (WESWX) has a higher volatility of 2.33% compared to SEI Institutional Managed Trust Tax-Managed Managed Volatility Fund (TMMAX) at 2.04%. This indicates that WESWX's price experiences larger fluctuations and is considered to be riskier than TMMAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WESWX	TMMAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.33%	2.04%	+0.29%
Volatility (6M) Calculated over the trailing 6-month period	7.52%	5.85%	+1.67%
Volatility (1Y) Calculated over the trailing 1-year period	9.85%	8.21%	+1.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.05%	19.07%	-5.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.34%	17.81%	-1.47%

WESWX vs. TMMAX - Expense Ratio Comparison

WESWX has a 1.64% expense ratio, which is higher than TMMAX's 1.00% expense ratio.

Dividends

WESWX vs. TMMAX - Dividend Comparison

WESWX's dividend yield for the trailing twelve months is around 14.06%, less than TMMAX's 24.09% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TMMAX SEI Institutional Managed Trust Tax-Managed Managed Volatility Fund	24.09%	25.19%	23.39%	15.23%	6.54%	4.73%	2.15%	3.67%	4.91%	4.10%	4.17%	5.57%
WESWX TETON Westwood Equity Fund	14.06%	14.79%	8.77%	5.06%	7.60%	17.92%	4.55%	9.75%	18.19%	11.70%	7.11%	8.36%

Frequently Asked Questions

Can I hold both WESWX and TMMAX in my portfolio?

WESWX and TMMAX have a correlation of 0.83, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WESWX or TMMAX?

WESWX has higher volatility (2.33%) compared to TMMAX (2.04%). In terms of maximum drawdown, WESWX dropped -52.38% vs TMMAX's -41.50%.

Which has better risk-adjusted returns?

TMMAX currently has the higher Sharpe Ratio (1.28 vs 1.16), 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.