VSPMX vs. FTHMX

Last updated Jun 25, 2026

VSPMX (Vanguard S&P Mid-Cap 400 Index Fund Institutional Shares) and FTHMX (FullerThaler Behavioral Mid-Cap Equity Fund Institutional Shares) are both Mid Cap Blend Equities funds. Over the past year, VSPMX returned 24.03% vs 24.06% for FTHMX. Their correlation of 0.94 suggests significant overlap in exposure. VSPMX charges 0.08%/yr vs 0.83%/yr for FTHMX.

Performance

VSPMX vs. FTHMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard S&P Mid-Cap 400 Index Fund Institutional Shares (VSPMX) and FullerThaler Behavioral Mid-Cap Equity Fund Institutional Shares (FTHMX). 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 VSPMX having a 14.66% return and FTHMX slightly lower at 14.12%.

VSPMX

• 1D: -1.04%
• 1M: 2.68%
• YTD: 14.66%
• 6M: 12.41%
• 1Y: 24.03%
• 3Y*: 15.98%
• 5Y*: 8.39%
• 10Y*: 11.59%

FTHMX

• 1D: -1.02%
• 1M: 0.50%
• YTD: 14.12%
• 6M: 12.33%
• 1Y: 24.06%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

VSPMX vs. FTHMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
VSPMX Vanguard S&P Mid-Cap 400 Index Fund Institutional Shares	14.66%	7.11%	12.83%	12.67%
FTHMX FullerThaler Behavioral Mid-Cap Equity Fund Institutional Shares	14.12%	12.89%	12.48%	11.60%

Correlation

The correlation between VSPMX and FTHMX is 0.92, 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	0.92
Correlation (All Time) Calculated using the full available price history since Oct 2, 2023	0.94

The correlation between VSPMX and FTHMX has been stable across timeframes, ranging from 0.92 to 0.94 - a consistent structural relationship.

Return for Risk

VSPMX vs. FTHMX — Risk / Return Rank

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

VSPMX

VSPMX Risk / Return Rank: 46
VSPMX Sharpe Ratio Rank: 37
VSPMX Sortino Ratio Rank: 38
VSPMX Omega Ratio Rank: 34
VSPMX Calmar Ratio Rank: 63
VSPMX Martin Ratio Rank: 56

FTHMX

FTHMX Risk / Return Rank: 71
FTHMX Sharpe Ratio Rank: 62
FTHMX Sortino Ratio Rank: 66
FTHMX Omega Ratio Rank: 55
FTHMX Calmar Ratio Rank: 89
FTHMX Martin Ratio Rank: 85

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.

VSPMX vs. FTHMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P Mid-Cap 400 Index Fund Institutional Shares (VSPMX) 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.

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.

	VSPMX	FTHMX	Difference
Sharpe ratio: Return per unit of total volatility	1.60	1.93	-0.33
Sortino ratio: Return per unit of downside risk	2.35	2.81	-0.46
Omega ratio: Gain probability vs. loss probability	1.28	1.34	-0.06
Calmar ratio: Return relative to maximum drawdown	2.87	3.95	-1.08
Martin ratio: Return relative to average drawdown	10.46	13.69	-3.23

VSPMX vs. FTHMX - Sharpe Ratio Comparison

The current VSPMX Sharpe Ratio is 1.60, which is comparable to the FTHMX Sharpe Ratio of 1.93. The chart below compares the historical Sharpe Ratios of VSPMX 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.

Drawdowns

VSPMX vs. FTHMX - Drawdown Comparison

The maximum VSPMX drawdown since its inception was -42.04%, which is greater than FTHMX's maximum drawdown of -20.45%. Use the drawdown chart below to compare losses from any high point for VSPMX and FTHMX.

Drawdown Indicators

	VSPMX	FTHMX	Difference
Max Drawdown Largest peak-to-trough decline	-42.04%	-20.45%	-21.59%
Max Drawdown (1Y) Largest decline over 1 year	-8.82%	-6.33%	-2.49%
Max Drawdown (3Y) Largest decline over 3 years	-24.27%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-24.27%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-42.04%	—	—
Current Drawdown Current decline from peak	-1.06%	-2.13%	+1.07%
Average Drawdown Average peak-to-trough decline	-5.07%	-2.99%	-2.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.41%	1.82%	+0.59%

Volatility

VSPMX vs. FTHMX - Volatility Comparison

Vanguard S&P Mid-Cap 400 Index Fund Institutional Shares (VSPMX) has a higher volatility of 4.73% compared to FullerThaler Behavioral Mid-Cap Equity Fund Institutional Shares (FTHMX) at 4.05%. This indicates that VSPMX'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

	VSPMX	FTHMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.73%	4.05%	+0.68%
Volatility (6M) Calculated over the trailing 6-month period	11.72%	9.77%	+1.95%
Volatility (1Y) Calculated over the trailing 1-year period	15.79%	12.97%	+2.82%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.68%	15.42%	+4.26%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.01%	15.42%	+5.59%

VSPMX vs. FTHMX - Expense Ratio Comparison

VSPMX has a 0.08% expense ratio, which is lower than FTHMX's 0.83% expense ratio.

Dividends

VSPMX vs. FTHMX - Dividend Comparison

VSPMX's dividend yield for the trailing twelve months is around 1.22%, 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%
VSPMX Vanguard S&P Mid-Cap 400 Index Fund Institutional Shares	1.22%	1.07%	1.32%	1.26%	1.59%	1.15%	1.24%	1.49%	1.64%	1.27%	1.54%	1.52%

Frequently Asked Questions

Can I hold both VSPMX and FTHMX in my portfolio?

With a correlation of 0.92, VSPMX and FTHMX 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, VSPMX or FTHMX?

VSPMX has higher volatility (4.73%) compared to FTHMX (4.05%). In terms of maximum drawdown, VSPMX dropped -42.04% vs FTHMX's -20.45%.

Which has better risk-adjusted returns?

FTHMX currently has the higher Sharpe Ratio (1.93 vs 1.60), 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.