VITSX vs. VINIX

Last updated Aug 2, 2026

VITSX (Vanguard Total Stock Market Index Fund Institutional Shares) and VINIX (Vanguard Institutional Index Fund Institutional Shares) are both mutual funds - VITSX is a Large Cap Blend Equities fund tracking the CRSP US Total Market Index, while VINIX is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, VITSX returned 14.48%/yr vs 15.06%/yr for VINIX. Their 0.99 correlation means they have historically moved very closely together. VITSX charges 0.03%/yr vs 0.04%/yr for VINIX.

Performance

VITSX vs. VINIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Total Stock Market Index Fund Institutional Shares (VITSX) and Vanguard Institutional Index Fund Institutional Shares (VINIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VITSX achieves a 9.87% return, which is significantly higher than VINIX's 9.34% return. Both investments have delivered pretty close results over the past 10 years, with VITSX having a 14.48% annualized return and VINIX not far ahead at 15.06%.

VITSX

• 1D: 1.62%
• 1M: -0.78%
• 6M: 8.16%
• YTD: 9.87%
• 1Y: 21.11%
• 3Y*: 18.59%
• 5Y*: 11.62%
• 10Y*: 14.48%
• ALL TIME*: 9.47%

VINIX

• 1D: 1.66%
• 1M: -0.56%
• 6M: 7.78%
• YTD: 9.34%
• 1Y: 20.61%
• 3Y*: 19.42%
• 5Y*: 12.81%
• 10Y*: 15.06%
• ALL TIME*: 10.97%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
VINIX Vanguard Institutional Index Fund Institutional Shares	$0.00	$0.00	$0.00
VITSX Vanguard Total Stock Market Index Fund Institutional Shares	$0.00	$0.00	$0.00

VITSX vs. VINIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VITSX Vanguard Total Stock Market Index Fund Institutional Shares	9.87%	17.14%	23.25%	26.51%	-19.51%	25.74%	20.99%	30.80%	-5.18%	21.16%
VINIX Vanguard Institutional Index Fund Institutional Shares	9.34%	17.85%	26.28%	25.77%	-18.15%	28.67%	18.40%	31.46%	-4.42%	21.79%

Correlation

The correlation between VITSX and VINIX is 1.00 - they have historically moved very closely together. At this level, their price movements offset little of one another.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	1.00
Correlation (3Y) Balances recent behavior with more history.	0.99
Correlation (5Y) Shows whether the relationship held over a longer period.	0.99
Correlation (10Y) Provides a long-term view across more market conditions.	0.99
Correlation (All Time) Calculated using the full available price history since Jul 7, 1997	0.99

The correlation between VITSX and VINIX has been stable across timeframes, ranging from 0.99 to 1.00 - a consistent structural relationship.

VITSX vs. VINIX - Sectors Allocation Comparison

Sectors	VITSX	VINIX
Technology	36.1%	38.6%
Financial Services	11.8%	11.4%
Industrials	10.2%	8.5%
Healthcare	9.7%	8.9%
Consumer Cyclical	9.4%	9.5%
Communication Services	9.1%	9.9%
Consumer Defensive	4.3%	4.5%
Energy	3.2%	3.0%
Real Estate	2.3%	1.8%
Utilities	2.2%	2.2%
Basic Materials	1.9%	1.7%

Return for Risk

VITSX vs. VINIX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

VITSX

VITSX Risk / Return Rank: 64
VITSX Sharpe Ratio Rank: 61
VITSX Sortino Ratio Rank: 58
VITSX Omega Ratio Rank: 57
VITSX Calmar Ratio Rank: 66
VITSX Martin Ratio Rank: 77

VINIX

VINIX Risk / Return Rank: 63
VINIX Sharpe Ratio Rank: 61
VINIX Sortino Ratio Rank: 57
VINIX Omega Ratio Rank: 58
VINIX Calmar Ratio Rank: 65
VINIX Martin Ratio Rank: 76

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

VITSX vs. VINIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Total Stock Market Index Fund Institutional Shares (VITSX) and Vanguard Institutional Index Fund Institutional Shares (VINIX). 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.

	VITSX	VINIX	Difference
Sharpe ratio: Return per unit of total volatility	1.43	1.43	0.00
Sortino ratio: Return per unit of downside risk	2.00	1.99	+0.01
Omega ratio: Gain probability vs. loss probability	1.25	1.26	0.00
Calmar ratio: Return relative to maximum drawdown	2.10	2.06	+0.04
Martin ratio: Return relative to average drawdown	9.09	8.85	+0.24

VITSX vs. VINIX - Sharpe Ratio Comparison

The current VITSX Sharpe Ratio is 1.43, which is comparable to the VINIX Sharpe Ratio of 1.43. The chart below compares the historical Sharpe Ratios of VITSX and VINIX, 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

VITSX vs. VINIX - Drawdown Comparison

The maximum VITSX drawdown since its inception was -55.30%, roughly equal to the maximum VINIX drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for VITSX and VINIX.

Drawdown Indicators

	VITSX	VINIX	Difference
Max Drawdown Largest peak-to-trough decline	-55.30%	-55.19%	-0.11%
Max Drawdown (1Y) Largest decline over 1 year	-8.92%	-8.90%	-0.02%
Max Drawdown (3Y) Largest decline over 3 years	-19.36%	-18.75%	-0.61%
Max Drawdown (5Y) Largest decline over 5 years	-25.36%	-24.51%	-0.85%
Max Drawdown (10Y) Largest decline over 10 years	-34.97%	-33.79%	-1.18%
Current Drawdown Current decline from peak	-1.89%	-2.11%	+0.22%
Average Drawdown Average peak-to-trough decline	-10.02%	-8.50%	-1.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.06%	2.07%	-0.01%

Volatility

VITSX vs. VINIX - Volatility Comparison

Vanguard Total Stock Market Index Fund Institutional Shares (VITSX) and Vanguard Institutional Index Fund Institutional Shares (VINIX) have volatilities of 3.40% and 3.44%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VITSX	VINIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.40%	3.44%	-0.04%
Volatility (6M) Calculated over the trailing 6-month period	10.27%	10.09%	+0.18%
Volatility (1Y) Calculated over the trailing 1-year period	13.13%	12.86%	+0.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.47%	17.01%	+0.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.41%	18.06%	+0.35%

VITSX vs. VINIX - Expense Ratio Comparison

VITSX has a 0.03% expense ratio, which is lower than VINIX's 0.04% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

VITSX vs. VINIX - Dividend Comparison

VITSX's dividend yield for the trailing twelve months is around 1.06%, less than VINIX's 2.50% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VINIX Vanguard Institutional Index Fund Institutional Shares	2.50%	2.10%	3.64%	2.65%	3.38%	4.77%	3.06%	2.85%	2.43%	1.82%	2.36%	2.45%
VITSX Vanguard Total Stock Market Index Fund Institutional Shares	1.06%	1.12%	1.27%	1.43%	1.66%	1.21%	1.42%	1.77%	2.04%	1.71%	1.93%	1.99%

Frequently Asked Questions

Can I hold both VITSX and VINIX in my portfolio?

With a correlation of 1.00, VITSX and VINIX 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, VITSX or VINIX?

VINIX has higher volatility (3.44%) compared to VITSX (3.40%). In terms of maximum drawdown, VITSX dropped -55.30% vs VINIX's -55.19%.

Which has better risk-adjusted returns?

VITSX currently has the higher Sharpe Ratio (1.43 vs 1.43), 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.