VIIIX vs. TILIX
VIIIX (Vanguard Institutional Index Fund Institutional Plus Shares) and TILIX (TIAA-CREF Large-Cap Growth Index Fund) are both mutual funds - VIIIX is a S&P 500 fund tracking the S&P 500 Index, while TILIX is a Large Cap Growth Equities fund managed by TIAA Investments. Over the past 10 years, VIIIX returned 15.74%/yr vs 18.64%/yr for TILIX. With a 0.96 correlation, they move nearly in lockstep. VIIIX charges 0.02%/yr vs 0.05%/yr for TILIX.
Performance
VIIIX vs. TILIX - Performance Comparison
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Returns By Period
In the year-to-date period, VIIIX achieves a 11.70% return, which is significantly higher than TILIX's 8.58% return. Over the past 10 years, VIIIX has underperformed TILIX with an annualized return of 15.74%, while TILIX has yielded a comparatively higher 18.64% annualized return.
VIIIX
- 1D
- 0.13%
- 1M
- 5.80%
- YTD
- 11.70%
- 6M
- 11.74%
- 1Y
- 28.99%
- 3Y*
- 23.17%
- 5Y*
- 14.42%
- 10Y*
- 15.74%
TILIX
- 1D
- -0.37%
- 1M
- 7.10%
- YTD
- 8.58%
- 6M
- 7.86%
- 1Y
- 27.30%
- 3Y*
- 25.49%
- 5Y*
- 16.00%
- 10Y*
- 18.64%
VIIIX vs. TILIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares | 11.70% | 17.87% | 26.29% | 25.79% | -18.14% | 28.69% | 18.41% | 31.48% | -4.41% | 21.82% |
TILIX TIAA-CREF Large-Cap Growth Index Fund | 8.58% | 18.41% | 33.31% | 42.64% | -29.22% | 27.63% | 38.43% | 36.30% | -1.66% | 28.49% |
Correlation
The correlation between VIIIX and TILIX 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 | 0.94 |
Correlation (All Time) Calculated using the full available price history since Oct 1, 2002 | 0.96 |
The correlation between VIIIX and TILIX has been stable across timeframes, ranging from 0.93 to 0.96 - a consistent structural relationship.
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Return for Risk
VIIIX vs. TILIX — Risk / Return Rank
VIIIX
TILIX
VIIIX vs. TILIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) and TIAA-CREF Large-Cap Growth Index Fund (TILIX). 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.
| VIIIX | TILIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.68 | ||
| Sortino ratioReturn per unit of downside risk | +0.93 | ||
| Omega ratioGain probability vs. loss probability | 1.46 | 1.32 | +0.14 |
| Calmar ratioReturn relative to maximum drawdown | 3.36 | 1.75 | +1.61 |
| Martin ratioReturn relative to average drawdown | 15.69 | 5.84 | +9.85 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| VIIIX | TILIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.52 | 1.84 | +0.68 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.86 | 0.75 | +0.11 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.87 | 0.89 | -0.01 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.50 | 0.61 | -0.12 |
Drawdowns
VIIIX vs. TILIX - Drawdown Comparison
The maximum VIIIX drawdown since its inception was -55.18%, which is greater than TILIX's maximum drawdown of -50.54%. Use the drawdown chart below to compare losses from any high point for VIIIX and TILIX.
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Drawdown Indicators
| VIIIX | TILIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.18% | -50.54% | -4.64% |
Max Drawdown (1Y)Largest decline over 1 year | -8.90% | -16.24% | +7.34% |
Max Drawdown (3Y)Largest decline over 3 years | -18.75% | -23.33% | +4.58% |
Max Drawdown (5Y)Largest decline over 5 years | -24.50% | -32.68% | +8.18% |
Max Drawdown (10Y)Largest decline over 10 years | -33.79% | -32.68% | -1.11% |
Current DrawdownCurrent decline from peak | 0.00% | -0.37% | +0.37% |
Average DrawdownAverage peak-to-trough decline | -10.02% | -7.73% | -2.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.90% | 4.84% | -2.94% |
Volatility
VIIIX vs. TILIX - Volatility Comparison
The current volatility for Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) is 2.83%, while TIAA-CREF Large-Cap Growth Index Fund (TILIX) has a volatility of 3.32%. This indicates that VIIIX experiences smaller price fluctuations and is considered to be less risky than TILIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VIIIX | TILIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.83% | 3.32% | -0.49% |
Volatility (6M)Calculated over the trailing 6-month period | 8.97% | 11.60% | -2.63% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.86% | 15.42% | -3.56% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.89% | 21.47% | -4.58% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.06% | 21.09% | -3.03% |
VIIIX vs. TILIX - Expense Ratio Comparison
VIIIX has a 0.02% expense ratio, which is lower than TILIX's 0.05% 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
VIIIX vs. TILIX - Dividend Comparison
VIIIX's dividend yield for the trailing twelve months is around 2.41%, less than TILIX's 4.06% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TILIX TIAA-CREF Large-Cap Growth Index Fund | 4.06% | 4.41% | 3.25% | 1.90% | 11.00% | 8.76% | 1.91% | 2.38% | 4.01% | 0.68% | 1.33% | 1.32% |
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares | 2.41% | 2.11% | 3.66% | 2.66% | 3.39% | 4.79% | 3.07% | 2.86% | 2.45% | 1.84% | 2.38% | 2.47% |
Frequently Asked Questions
With a correlation of 0.93, VIIIX and TILIX 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.
TILIX has higher volatility (3.32%) compared to VIIIX (2.83%). In terms of maximum drawdown, VIIIX dropped -55.18% vs TILIX's -50.54%.
VIIIX currently has the higher Sharpe Ratio (2.52 vs 1.84), 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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