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VITSX vs. VINIX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

VITSX vs. VINIX

Last updated Jun 23, 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 15.07%/yr vs 15.64%/yr for VINIX. With a 0.99 correlation, they move nearly in lockstep. 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.

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Returns By Period

In the year-to-date period, VITSX achieves a 10.72% return, which is significantly higher than VINIX's 10.18% return. Both investments have delivered pretty close results over the past 10 years, with VITSX having a 15.07% annualized return and VINIX not far ahead at 15.64%.

VITSX

1D
1.14%
1M
0.90%
YTD
10.72%
6M
9.93%
1Y
27.57%
3Y*
20.68%
5Y*
12.88%
10Y*
15.07%

VINIX

1D
1.09%
1M
0.47%
YTD
10.18%
6M
9.68%
1Y
27.16%
3Y*
21.37%
5Y*
14.22%
10Y*
15.64%
*Multi-year figures are annualized to reflect compound growth (CAGR)

VITSX vs. VINIX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
VITSX
Vanguard Total Stock Market Index Fund Institutional Shares		10.72%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		10.18%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 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

1.00

Correlation (3Y)
Calculated over the trailing 3-year period

0.99

Correlation (5Y)
Calculated over the trailing 5-year period

0.99

Correlation (10Y)
Calculated over the trailing 10-year period

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

37.0%
35.7%

Financial Services

11.3%
11.6%

Communication Services

9.8%
11.3%

Consumer Cyclical

9.7%
10.2%

Industrials

9.4%
8.3%

Healthcare

9.0%
8.5%

Consumer Defensive

4.3%
4.9%

Energy

3.3%
3.5%

Real Estate

2.3%
1.9%

Utilities

2.1%
2.4%

Basic Materials

1.9%
1.8%

Technology

VITSX
37.0%
VINIX
35.7%

Financial Services

VITSX
11.3%
VINIX
11.6%

Communication Services

VITSX
9.8%
VINIX
11.3%

Consumer Cyclical

VITSX
9.7%
VINIX
10.2%

Industrials

VITSX
9.4%
VINIX
8.3%

Healthcare

VITSX
9.0%
VINIX
8.5%

Consumer Defensive

VITSX
4.3%
VINIX
4.9%

Energy

VITSX
3.3%
VINIX
3.5%

Real Estate

VITSX
2.3%
VINIX
1.9%

Utilities

VITSX
2.1%
VINIX
2.4%

Basic Materials

VITSX
1.9%
VINIX
1.8%

Compare stocks, funds, or ETFs

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Vanguard Total Stock Market Index Fund Institutional Shares

Vanguard Institutional Index Fund Institutional Shares

Often compared with VITSX:
VITSX vs. VTSAXVITSX vs. VTIVITSX vs. SWPPXVITSX vs. VOOVITSX vs. VTIAXVITSX vs. TRLGXVITSX vs. VTMNX
Often compared with VINIX:
VINIX vs. VOOVINIX vs. VIGIXVINIX vs. JLGMXVINIX vs. VTIVINIX vs. VSIAXVINIX vs. VSCIXVINIX vs. TBCIX

Return for Risk

VITSX vs. VINIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
VITSX
VITSX Risk / Return Rank: 6565
Overall Rank
VITSX Sharpe Ratio Rank: 6363
Sharpe Ratio Rank
VITSX Sortino Ratio Rank: 5757
Sortino Ratio Rank
VITSX Omega Ratio Rank: 5858
Omega Ratio Rank
VITSX Calmar Ratio Rank: 7070
Calmar Ratio Rank
VITSX Martin Ratio Rank: 8080
Martin Ratio Rank
VINIX
VINIX Risk / Return Rank: 6666
Overall Rank
VINIX Sharpe Ratio Rank: 6464
Sharpe Ratio Rank
VINIX Sortino Ratio Rank: 5858
Sortino Ratio Rank
VINIX Omega Ratio Rank: 6161
Omega Ratio Rank
VINIX Calmar Ratio Rank: 6868
Calmar Ratio Rank
VINIX Martin Ratio Rank: 7979
Martin Ratio Rank
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.

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.

VITSXVINIXDifference
Sharpe ratioReturn per unit of total volatility
2.14
2.17

-0.02

Sortino ratioReturn per unit of downside risk
2.90
2.93

-0.03

Omega ratioGain probability vs. loss probability

1.38

1.39

-0.01

Calmar ratioReturn relative to maximum drawdown

3.07

3.04

+0.04

Martin ratioReturn relative to average drawdown

13.78

13.73

+0.05

VITSX vs. VINIX - Sharpe Ratio Comparison

The current VITSX Sharpe Ratio is 2.14, which is comparable to the VINIX Sharpe Ratio of 2.17. 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.

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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.

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Drawdown Indicators

VITSXVINIXDifference

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

-1.13%

-1.36%

+0.23%

Average Drawdown

Average peak-to-trough decline

-10.05%

-8.52%

-1.53%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.99%

1.96%

+0.03%

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 4.88% and 4.77%, 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.

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Volatility by Period

VITSXVINIXDifference

Volatility (1M)

Calculated over the trailing 1-month period

4.88%

4.77%

+0.11%

Volatility (6M)

Calculated over the trailing 6-month period

10.11%

9.91%

+0.20%

Volatility (1Y)

Calculated over the trailing 1-year period

12.80%

12.47%

+0.33%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

17.46%

16.99%

+0.47%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

18.45%

18.10%

+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 1.02%, less than VINIX's 2.43% yield.

PositionTTM20252024202320222021202020192018201720162015
VINIX
Vanguard Institutional Index Fund Institutional Shares		2.43%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		1.02%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

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.

VITSX has higher volatility (4.88%) compared to VINIX (4.77%). In terms of maximum drawdown, VITSX dropped -55.30% vs VINIX's -55.19%.

VINIX currently has the higher Sharpe Ratio (2.17 vs 2.14), 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.

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