TMSIX vs. VMCIX

Last updated Jun 4, 2026

TMSIX (Thrivent Mid Cap Stock Fund Class S) and VMCIX (Vanguard Mid-Cap Index Fund Institutional Shares) are both Mid Cap Blend Equities funds. Over the past 10 years, TMSIX returned 12.29%/yr vs 11.59%/yr for VMCIX. With a 0.96 correlation, they move nearly in lockstep. TMSIX charges 0.74%/yr vs 0.04%/yr for VMCIX.

Performance

TMSIX vs. VMCIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Thrivent Mid Cap Stock Fund Class S (TMSIX) and Vanguard Mid-Cap Index Fund Institutional Shares (VMCIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TMSIX achieves a 15.19% return, which is significantly higher than VMCIX's 10.56% return. Over the past 10 years, TMSIX has outperformed VMCIX with an annualized return of 12.29%, while VMCIX has yielded a comparatively lower 11.59% annualized return.

TMSIX

• 1D: 0.70%
• 1M: 4.85%
• YTD: 15.19%
• 6M: 14.64%
• 1Y: 20.73%
• 3Y*: 14.71%
• 5Y*: 7.00%
• 10Y*: 12.29%

VMCIX

• 1D: 0.90%
• 1M: 3.69%
• YTD: 10.56%
• 6M: 10.21%
• 1Y: 18.75%
• 3Y*: 16.83%
• 5Y*: 8.11%
• 10Y*: 11.59%

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

TMSIX vs. VMCIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TMSIX Thrivent Mid Cap Stock Fund Class S	15.19%	4.64%	14.08%	13.90%	-17.68%	28.06%	21.96%	24.88%	-10.47%	18.90%
VMCIX Vanguard Mid-Cap Index Fund Institutional Shares	10.56%	11.67%	14.68%	16.54%	-18.70%	24.53%	18.20%	31.04%	-9.25%	19.30%

Correlation

The correlation between TMSIX and VMCIX is 0.93, 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	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.94
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (10Y) Calculated over the trailing 10-year period	0.95
Correlation (All Time) Calculated using the full available price history since May 22, 1998	0.96

The correlation between TMSIX and VMCIX has been stable across timeframes, ranging from 0.93 to 0.96 - a consistent structural relationship.

Return for Risk

TMSIX vs. VMCIX — Risk / Return Rank

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

TMSIX

TMSIX Risk / Return Rank: 34
TMSIX Sharpe Ratio Rank: 29
TMSIX Sortino Ratio Rank: 29
TMSIX Omega Ratio Rank: 28
TMSIX Calmar Ratio Rank: 42
TMSIX Martin Ratio Rank: 41

VMCIX

VMCIX Risk / Return Rank: 35
VMCIX Sharpe Ratio Rank: 32
VMCIX Sortino Ratio Rank: 31
VMCIX Omega Ratio Rank: 29
VMCIX Calmar Ratio Rank: 42
VMCIX Martin Ratio Rank: 44

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.

TMSIX vs. VMCIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Thrivent Mid Cap Stock Fund Class S (TMSIX) and Vanguard Mid-Cap Index Fund Institutional Shares (VMCIX). 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.

	TMSIX	VMCIX	Difference
Sharpe ratio: Return per unit of total volatility	1.54	1.62	-0.08
Sortino ratio: Return per unit of downside risk	2.24	2.31	-0.07
Omega ratio: Gain probability vs. loss probability	1.27	1.28	-0.01
Calmar ratio: Return relative to maximum drawdown	2.44	2.45	0.00
Martin ratio: Return relative to average drawdown	8.82	9.29	-0.47
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TMSIX vs. VMCIX - Sharpe Ratio Comparison

The current TMSIX Sharpe Ratio is 1.54, which is comparable to the VMCIX Sharpe Ratio of 1.62. The chart below compares the historical Sharpe Ratios of TMSIX and VMCIX, 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

	TMSIX	VMCIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.54	1.62	-0.08
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.34	0.46	-0.12
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.60	0.61	-0.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.47	0.49	-0.02

Drawdowns

TMSIX vs. VMCIX - Drawdown Comparison

The maximum TMSIX drawdown since its inception was -56.10%, roughly equal to the maximum VMCIX drawdown of -58.86%. Use the drawdown chart below to compare losses from any high point for TMSIX and VMCIX.

Drawdown Indicators

	TMSIX	VMCIX	Difference
Max Drawdown Largest peak-to-trough decline	-56.10%	-58.86%	+2.76%
Max Drawdown (1Y) Largest decline over 1 year	-8.97%	-8.13%	-0.84%
Max Drawdown (3Y) Largest decline over 3 years	-20.18%	-18.93%	-1.25%
Max Drawdown (5Y) Largest decline over 5 years	-31.57%	-27.54%	-4.03%
Max Drawdown (10Y) Largest decline over 10 years	-40.66%	-39.30%	-1.36%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-10.00%	-7.97%	-2.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.48%	2.14%	+0.34%

Volatility

TMSIX vs. VMCIX - Volatility Comparison

Thrivent Mid Cap Stock Fund Class S (TMSIX) has a higher volatility of 3.52% compared to Vanguard Mid-Cap Index Fund Institutional Shares (VMCIX) at 2.97%. This indicates that TMSIX's price experiences larger fluctuations and is considered to be riskier than VMCIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TMSIX	VMCIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.52%	2.97%	+0.55%
Volatility (6M) Calculated over the trailing 6-month period	10.87%	9.29%	+1.58%
Volatility (1Y) Calculated over the trailing 1-year period	14.29%	12.31%	+1.98%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.42%	17.63%	+2.79%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.46%	18.92%	+1.54%

TMSIX vs. VMCIX - Expense Ratio Comparison

TMSIX has a 0.74% expense ratio, which is higher than VMCIX's 0.04% expense ratio.

Dividends

TMSIX vs. VMCIX - Dividend Comparison

TMSIX's dividend yield for the trailing twelve months is around 10.76%, more than VMCIX's 1.35% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TMSIX Thrivent Mid Cap Stock Fund Class S	10.76%	12.39%	7.91%	1.48%	2.86%	10.77%	3.26%	2.77%	11.64%	7.92%	4.10%	11.95%
VMCIX Vanguard Mid-Cap Index Fund Institutional Shares	1.35%	1.52%	1.49%	1.51%	1.60%	1.12%	1.45%	1.48%	1.83%	1.36%	1.46%	1.48%

Frequently Asked Questions

Can I hold both TMSIX and VMCIX in my portfolio?

With a correlation of 0.93, TMSIX and VMCIX 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, TMSIX or VMCIX?

TMSIX has higher volatility (3.52%) compared to VMCIX (2.97%). In terms of maximum drawdown, TMSIX dropped -56.10% vs VMCIX's -58.86%.

Which has better risk-adjusted returns?

VMCIX currently has the higher Sharpe Ratio (1.62 vs 1.54), 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.