LMOIX vs. WMKSX

Last updated Jun 23, 2026

LMOIX (ClearBridge Small Cap Growth Fund Class IS) and WMKSX (WesMark Small Company Fund) are both Small Cap Growth Equities funds. Over the past 10 years, LMOIX returned 12.67%/yr vs 13.90%/yr for WMKSX. Their correlation of 0.92 suggests significant overlap in exposure. LMOIX charges 0.78%/yr vs 1.24%/yr for WMKSX.

Performance

LMOIX vs. WMKSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ClearBridge Small Cap Growth Fund Class IS (LMOIX) and WesMark Small Company Fund (WMKSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LMOIX achieves a 16.50% return, which is significantly lower than WMKSX's 20.68% return. Over the past 10 years, LMOIX has underperformed WMKSX with an annualized return of 12.67%, while WMKSX has yielded a comparatively higher 13.90% annualized return.

LMOIX

• 1D: 2.57%
• 1M: 5.24%
• YTD: 16.50%
• 6M: 12.91%
• 1Y: 27.28%
• 3Y*: 14.42%
• 5Y*: 2.77%
• 10Y*: 12.67%

WMKSX

• 1D: 1.67%
• 1M: 5.13%
• YTD: 20.68%
• 6M: 18.10%
• 1Y: 37.28%
• 3Y*: 24.61%
• 5Y*: 12.17%
• 10Y*: 13.90%

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

LMOIX vs. WMKSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LMOIX ClearBridge Small Cap Growth Fund Class IS	16.50%	9.91%	12.06%	9.12%	-28.55%	12.53%	44.09%	25.86%	4.22%	25.50%
WMKSX WesMark Small Company Fund	20.68%	16.19%	22.12%	19.42%	-20.72%	22.81%	36.78%	20.32%	-13.92%	13.21%

Correlation

The correlation between LMOIX and WMKSX is 0.89, 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	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.91
Correlation (5Y) Calculated over the trailing 5-year period	0.90
Correlation (10Y) Calculated over the trailing 10-year period	0.90
Correlation (All Time) Calculated using the full available price history since Aug 4, 2008	0.92

The correlation between LMOIX and WMKSX has been stable across timeframes, ranging from 0.89 to 0.92 - a consistent structural relationship.

Return for Risk

LMOIX vs. WMKSX — Risk / Return Rank

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

LMOIX

LMOIX Risk / Return Rank: 27
LMOIX Sharpe Ratio Rank: 24
LMOIX Sortino Ratio Rank: 22
LMOIX Omega Ratio Rank: 22
LMOIX Calmar Ratio Rank: 31
LMOIX Martin Ratio Rank: 34

WMKSX

WMKSX Risk / Return Rank: 67
WMKSX Sharpe Ratio Rank: 58
WMKSX Sortino Ratio Rank: 56
WMKSX Omega Ratio Rank: 47
WMKSX Calmar Ratio Rank: 90
WMKSX Martin Ratio Rank: 84

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.

LMOIX vs. WMKSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ClearBridge Small Cap Growth Fund Class IS (LMOIX) and WesMark Small Company Fund (WMKSX). 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.

	LMOIX	WMKSX	Difference
Sharpe ratio: Return per unit of total volatility	1.31	2.06	-0.75
Sortino ratio: Return per unit of downside risk	1.86	2.87	-1.01
Omega ratio: Gain probability vs. loss probability	1.23	1.34	-0.12
Calmar ratio: Return relative to maximum drawdown	2.00	4.33	-2.34
Martin ratio: Return relative to average drawdown	7.18	14.51	-7.34

LMOIX vs. WMKSX - Sharpe Ratio Comparison

The current LMOIX Sharpe Ratio is 1.31, which is lower than the WMKSX Sharpe Ratio of 2.06. The chart below compares the historical Sharpe Ratios of LMOIX and WMKSX, 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

LMOIX vs. WMKSX - Drawdown Comparison

The maximum LMOIX drawdown since its inception was -51.02%, smaller than the maximum WMKSX drawdown of -64.09%. Use the drawdown chart below to compare losses from any high point for LMOIX and WMKSX.

Drawdown Indicators

	LMOIX	WMKSX	Difference
Max Drawdown Largest peak-to-trough decline	-51.02%	-64.09%	+13.07%
Max Drawdown (1Y) Largest decline over 1 year	-13.78%	-8.50%	-5.28%
Max Drawdown (3Y) Largest decline over 3 years	-26.22%	-24.20%	-2.02%
Max Drawdown (5Y) Largest decline over 5 years	-41.74%	-39.84%	-1.90%
Max Drawdown (10Y) Largest decline over 10 years	-41.74%	-39.84%	-1.90%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-12.35%	-15.66%	+3.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.82%	2.53%	+1.29%

Volatility

LMOIX vs. WMKSX - Volatility Comparison

ClearBridge Small Cap Growth Fund Class IS (LMOIX) has a higher volatility of 7.11% compared to WesMark Small Company Fund (WMKSX) at 4.89%. This indicates that LMOIX's price experiences larger fluctuations and is considered to be riskier than WMKSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LMOIX	WMKSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.11%	4.89%	+2.22%
Volatility (6M) Calculated over the trailing 6-month period	16.55%	12.38%	+4.17%
Volatility (1Y) Calculated over the trailing 1-year period	21.07%	17.90%	+3.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.65%	26.13%	-1.48%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.85%	23.98%	-0.13%

LMOIX vs. WMKSX - Expense Ratio Comparison

LMOIX has a 0.78% expense ratio, which is lower than WMKSX's 1.24% expense ratio.

Dividends

LMOIX vs. WMKSX - Dividend Comparison

LMOIX's dividend yield for the trailing twelve months is around 14.56%, less than WMKSX's 18.98% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LMOIX ClearBridge Small Cap Growth Fund Class IS	14.56%	16.96%	14.66%	0.38%	0.00%	10.44%	6.31%	6.91%	14.40%	3.30%	2.82%	1.18%
WMKSX WesMark Small Company Fund	18.98%	22.91%	4.69%	5.93%	6.23%	25.75%	8.21%	0.00%	12.53%	8.59%	5.26%	6.57%

Frequently Asked Questions

Can I hold both LMOIX and WMKSX in my portfolio?

LMOIX and WMKSX have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LMOIX or WMKSX?

LMOIX has higher volatility (7.11%) compared to WMKSX (4.89%). In terms of maximum drawdown, LMOIX dropped -51.02% vs WMKSX's -64.09%.

Which has better risk-adjusted returns?

WMKSX currently has the higher Sharpe Ratio (2.06 vs 1.31), 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.