STMSX vs. CSMDX

Last updated Jun 4, 2026

STMSX (SEI Institutional Managed Trust Tax-Managed Small/Mid Cap Fund) and CSMDX (Copeland SMID Cap Dividend Growth Fund) are both Small Cap Blend Equities funds. Over the past 5 years, STMSX returned 6.41%/yr vs 5.03%/yr for CSMDX. Their correlation of 0.94 suggests significant overlap in exposure. STMSX charges 1.11%/yr vs 0.95%/yr for CSMDX.

Performance

STMSX vs. CSMDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SEI Institutional Managed Trust Tax-Managed Small/Mid Cap Fund (STMSX) and Copeland SMID Cap Dividend Growth Fund (CSMDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, STMSX achieves a 13.21% return, which is significantly higher than CSMDX's 11.73% return.

STMSX

• 1D: 1.05%
• 1M: 2.23%
• YTD: 13.21%
• 6M: 13.30%
• 1Y: 26.59%
• 3Y*: 15.64%
• 5Y*: 6.41%
• 10Y*: 9.35%

CSMDX

• 1D: 0.53%
• 1M: 2.59%
• YTD: 11.73%
• 6M: 10.42%
• 1Y: 16.91%
• 3Y*: 8.52%
• 5Y*: 5.03%
• 10Y*: —

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

STMSX vs. CSMDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
STMSX SEI Institutional Managed Trust Tax-Managed Small/Mid Cap Fund	13.21%	8.67%	13.34%	12.97%	-16.91%	23.68%	10.41%	21.99%	-12.34%	11.14%
CSMDX Copeland SMID Cap Dividend Growth Fund	11.73%	2.72%	2.24%	18.89%	-14.89%	22.60%	8.29%	29.90%	-5.20%	10.44%

Correlation

The correlation between STMSX and CSMDX is 0.91, 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	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.93
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (All Time) Calculated using the full available price history since Feb 28, 2017	0.94

The correlation between STMSX and CSMDX has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.

Return for Risk

STMSX vs. CSMDX — Risk / Return Rank

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

STMSX

STMSX Risk / Return Rank: 42
STMSX Sharpe Ratio Rank: 34
STMSX Sortino Ratio Rank: 35
STMSX Omega Ratio Rank: 32
STMSX Calmar Ratio Rank: 57
STMSX Martin Ratio Rank: 49

CSMDX

CSMDX Risk / Return Rank: 23
CSMDX Sharpe Ratio Rank: 20
CSMDX Sortino Ratio Rank: 22
CSMDX Omega Ratio Rank: 19
CSMDX Calmar Ratio Rank: 29
CSMDX 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.

STMSX vs. CSMDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SEI Institutional Managed Trust Tax-Managed Small/Mid Cap Fund (STMSX) and Copeland SMID Cap Dividend Growth Fund (CSMDX). 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.

	STMSX	CSMDX	Difference
Sharpe ratio: Return per unit of total volatility	1.69	1.27	+0.42
Sortino ratio: Return per unit of downside risk	2.48	1.97	+0.51
Omega ratio: Gain probability vs. loss probability	1.30	1.22	+0.07
Calmar ratio: Return relative to maximum drawdown	2.90	2.00	+0.90
Martin ratio: Return relative to average drawdown	10.15	6.13	+4.02
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

STMSX vs. CSMDX - Sharpe Ratio Comparison

The current STMSX Sharpe Ratio is 1.69, which is higher than the CSMDX Sharpe Ratio of 1.27. The chart below compares the historical Sharpe Ratios of STMSX and CSMDX, 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

	STMSX	CSMDX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.69	1.27	+0.42
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.28	0.28	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.41	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.35	0.45	-0.10

Drawdowns

STMSX vs. CSMDX - Drawdown Comparison

The maximum STMSX drawdown since its inception was -60.78%, which is greater than CSMDX's maximum drawdown of -37.28%. Use the drawdown chart below to compare losses from any high point for STMSX and CSMDX.

Drawdown Indicators

	STMSX	CSMDX	Difference
Max Drawdown Largest peak-to-trough decline	-60.78%	-37.28%	-23.50%
Max Drawdown (1Y) Largest decline over 1 year	-9.69%	-9.20%	-0.49%
Max Drawdown (3Y) Largest decline over 3 years	-34.36%	-24.60%	-9.76%
Max Drawdown (5Y) Largest decline over 5 years	-34.36%	-24.60%	-9.76%
Max Drawdown (10Y) Largest decline over 10 years	-43.16%	—	—
Current Drawdown Current decline from peak	-2.32%	-0.53%	-1.79%
Average Drawdown Average peak-to-trough decline	-10.62%	-5.77%	-4.85%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.77%	3.00%	-0.23%

Volatility

STMSX vs. CSMDX - Volatility Comparison

SEI Institutional Managed Trust Tax-Managed Small/Mid Cap Fund (STMSX) has a higher volatility of 4.61% compared to Copeland SMID Cap Dividend Growth Fund (CSMDX) at 3.70%. This indicates that STMSX's price experiences larger fluctuations and is considered to be riskier than CSMDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	STMSX	CSMDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.61%	3.70%	+0.91%
Volatility (6M) Calculated over the trailing 6-month period	11.97%	10.24%	+1.73%
Volatility (1Y) Calculated over the trailing 1-year period	16.64%	14.46%	+2.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.10%	18.16%	+4.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.88%	19.17%	+3.71%

STMSX vs. CSMDX - Expense Ratio Comparison

STMSX has a 1.11% expense ratio, which is higher than CSMDX's 0.95% expense ratio.

Dividends

STMSX vs. CSMDX - Dividend Comparison

STMSX's dividend yield for the trailing twelve months is around 3.82%, more than CSMDX's 2.81% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CSMDX Copeland SMID Cap Dividend Growth Fund	2.81%	3.14%	1.33%	0.81%	4.07%	6.67%	0.38%	2.61%	4.40%	0.13%	0.00%	0.00%
STMSX SEI Institutional Managed Trust Tax-Managed Small/Mid Cap Fund	3.82%	4.41%	21.88%	3.11%	0.84%	9.68%	0.29%	2.54%	9.26%	1.89%	0.41%	0.25%

Frequently Asked Questions

Can I hold both STMSX and CSMDX in my portfolio?

With a correlation of 0.91, STMSX and CSMDX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, STMSX or CSMDX?

STMSX has higher volatility (4.61%) compared to CSMDX (3.70%). In terms of maximum drawdown, STMSX dropped -60.78% vs CSMDX's -37.28%.

Which has better risk-adjusted returns?

STMSX currently has the higher Sharpe Ratio (1.69 vs 1.27), 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.