PKAIX vs. VIIIX
Compare and contrast key facts about PIMCO RAE US Fund (PKAIX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX).
PKAIX is managed by PIMCO. It was launched on Jun 5, 2015. VIIIX is managed by Vanguard. It was launched on Jul 7, 1997.
Performance
PKAIX vs. VIIIX - Performance Comparison
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PKAIX vs. VIIIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PKAIX PIMCO RAE US Fund | 6.30% | 17.19% | 16.28% | 17.02% | -3.36% | 27.74% | 3.94% | 24.92% | -6.92% | 16.51% |
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares | -7.06% | 17.87% | 26.29% | 25.79% | -18.14% | 28.69% | 18.41% | 31.48% | -4.41% | 21.82% |
Returns By Period
In the year-to-date period, PKAIX achieves a 6.30% return, which is significantly higher than VIIIX's -7.06% return. Over the past 10 years, PKAIX has underperformed VIIIX with an annualized return of 12.59%, while VIIIX has yielded a comparatively higher 13.82% annualized return.
PKAIX
- 1D
- -0.82%
- 1M
- -2.03%
- YTD
- 6.30%
- 6M
- 8.15%
- 1Y
- 24.77%
- 3Y*
- 18.27%
- 5Y*
- 12.89%
- 10Y*
- 12.59%
VIIIX
- 1D
- -0.39%
- 1M
- -7.68%
- YTD
- -7.06%
- 6M
- -4.59%
- 1Y
- 14.44%
- 3Y*
- 17.57%
- 5Y*
- 11.54%
- 10Y*
- 13.82%
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PKAIX vs. VIIIX - Expense Ratio Comparison
PKAIX has a 0.40% expense ratio, which is higher than VIIIX's 0.02% expense ratio.
Return for Risk
PKAIX vs. VIIIX — Risk / Return Rank
PKAIX
VIIIX
PKAIX vs. VIIIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for PIMCO RAE US Fund (PKAIX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). 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.
| PKAIX | VIIIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.40 | 0.84 | +0.56 |
Sortino ratioReturn per unit of downside risk | 1.96 | 1.30 | +0.67 |
Omega ratioGain probability vs. loss probability | 1.30 | 1.20 | +0.10 |
Calmar ratioReturn relative to maximum drawdown | 1.70 | 1.06 | +0.64 |
Martin ratioReturn relative to average drawdown | 8.04 | 5.14 | +2.90 |
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
| PKAIX | VIIIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.40 | 0.84 | +0.56 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.73 | 0.69 | +0.04 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.67 | 0.77 | -0.10 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.62 | 0.46 | +0.16 |
Correlation
The correlation between PKAIX and VIIIX is 0.86, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
PKAIX vs. VIIIX - Dividend Comparison
PKAIX's dividend yield for the trailing twelve months is around 12.95%, more than VIIIX's 2.90% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PKAIX PIMCO RAE US Fund | 12.95% | 13.77% | 16.77% | 6.65% | 8.09% | 10.03% | 3.20% | 4.91% | 6.85% | 5.85% | 5.33% | 3.49% |
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares | 2.90% | 2.11% | 3.66% | 2.66% | 3.39% | 4.79% | 3.07% | 2.86% | 2.45% | 1.84% | 2.38% | 2.47% |
Drawdowns
PKAIX vs. VIIIX - Drawdown Comparison
The maximum PKAIX drawdown since its inception was -38.56%, smaller than the maximum VIIIX drawdown of -55.18%. Use the drawdown chart below to compare losses from any high point for PKAIX and VIIIX.
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Drawdown Indicators
| PKAIX | VIIIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -38.56% | -55.18% | +16.62% |
Max Drawdown (1Y)Largest decline over 1 year | -14.04% | -12.12% | -1.92% |
Max Drawdown (5Y)Largest decline over 5 years | -20.64% | -24.50% | +3.86% |
Max Drawdown (10Y)Largest decline over 10 years | -38.56% | -33.79% | -4.77% |
Current DrawdownCurrent decline from peak | -3.78% | -8.90% | +5.12% |
Average DrawdownAverage peak-to-trough decline | -4.78% | -10.07% | +5.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.96% | 2.49% | +0.47% |
Volatility
PKAIX vs. VIIIX - Volatility Comparison
The current volatility for PIMCO RAE US Fund (PKAIX) is 3.52%, while Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) has a volatility of 4.24%. This indicates that PKAIX experiences smaller price fluctuations and is considered to be less risky than VIIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PKAIX | VIIIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.52% | 4.24% | -0.72% |
Volatility (6M)Calculated over the trailing 6-month period | 10.01% | 9.08% | +0.93% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.73% | 18.13% | +0.60% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.80% | 16.85% | +0.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.82% | 18.02% | +0.80% |