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PRILX vs. WBCIX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between PRILX and WBCIX is 0.80, 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.


-0.50.00.51.00.8

Performance

PRILX vs. WBCIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Parnassus Core Equity Institutional Shares (PRILX) and William Blair Small-Mid Cap Core Fund (WBCIX). The values are adjusted to include any dividend payments, if applicable.

-5.00%0.00%5.00%10.00%AugustSeptemberOctoberNovemberDecember2025
-0.83%
6.41%
PRILX
WBCIX

Key characteristics

Sharpe Ratio

PRILX:

0.68

WBCIX:

1.10

Sortino Ratio

PRILX:

0.91

WBCIX:

1.60

Omega Ratio

PRILX:

1.15

WBCIX:

1.20

Calmar Ratio

PRILX:

0.70

WBCIX:

1.35

Martin Ratio

PRILX:

2.35

WBCIX:

5.15

Ulcer Index

PRILX:

4.39%

WBCIX:

3.44%

Daily Std Dev

PRILX:

15.10%

WBCIX:

16.04%

Max Drawdown

PRILX:

-42.00%

WBCIX:

-39.56%

Current Drawdown

PRILX:

-8.74%

WBCIX:

-3.95%

Returns By Period

In the year-to-date period, PRILX achieves a 4.23% return, which is significantly higher than WBCIX's 3.79% return.


PRILX

YTD

4.23%

1M

2.77%

6M

0.43%

1Y

9.84%

5Y*

6.21%

10Y*

5.89%

WBCIX

YTD

3.79%

1M

3.12%

6M

6.67%

1Y

16.05%

5Y*

10.41%

10Y*

N/A

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


PRILX vs. WBCIX - Expense Ratio Comparison

PRILX has a 0.61% expense ratio, which is lower than WBCIX's 1.25% expense ratio.


WBCIX
William Blair Small-Mid Cap Core Fund
Expense ratio chart for WBCIX: current value at 1.25% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%1.25%
Expense ratio chart for PRILX: current value at 0.61% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.61%

Risk-Adjusted Performance

PRILX vs. WBCIX — Risk-Adjusted Performance Rank

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

PRILX
The Risk-Adjusted Performance Rank of PRILX is 3535
Overall Rank
The Sharpe Ratio Rank of PRILX is 3030
Sharpe Ratio Rank
The Sortino Ratio Rank of PRILX is 2727
Sortino Ratio Rank
The Omega Ratio Rank of PRILX is 3434
Omega Ratio Rank
The Calmar Ratio Rank of PRILX is 5050
Calmar Ratio Rank
The Martin Ratio Rank of PRILX is 3232
Martin Ratio Rank

WBCIX
The Risk-Adjusted Performance Rank of WBCIX is 6060
Overall Rank
The Sharpe Ratio Rank of WBCIX is 5656
Sharpe Ratio Rank
The Sortino Ratio Rank of WBCIX is 5858
Sortino Ratio Rank
The Omega Ratio Rank of WBCIX is 5252
Omega Ratio Rank
The Calmar Ratio Rank of WBCIX is 7575
Calmar Ratio Rank
The Martin Ratio Rank of WBCIX is 6262
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

PRILX vs. WBCIX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Parnassus Core Equity Institutional Shares (PRILX) and William Blair Small-Mid Cap Core Fund (WBCIX). 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.


Sharpe ratio
The chart of Sharpe ratio for PRILX, currently valued at 0.68, compared to the broader market-1.000.001.002.003.004.000.681.10
The chart of Sortino ratio for PRILX, currently valued at 0.91, compared to the broader market0.002.004.006.008.0010.0012.000.911.60
The chart of Omega ratio for PRILX, currently valued at 1.15, compared to the broader market1.002.003.004.001.151.20
The chart of Calmar ratio for PRILX, currently valued at 0.70, compared to the broader market0.005.0010.0015.0020.000.701.35
The chart of Martin ratio for PRILX, currently valued at 2.35, compared to the broader market0.0020.0040.0060.0080.002.355.15
PRILX
WBCIX

The current PRILX Sharpe Ratio is 0.68, which is lower than the WBCIX Sharpe Ratio of 1.10. The chart below compares the historical Sharpe Ratios of PRILX and WBCIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.501.001.502.002.50AugustSeptemberOctoberNovemberDecember2025
0.68
1.10
PRILX
WBCIX

Dividends

PRILX vs. WBCIX - Dividend Comparison

PRILX's dividend yield for the trailing twelve months is around 0.56%, more than WBCIX's 0.10% yield.


TTM20242023202220212020201920182017201620152014
PRILX
Parnassus Core Equity Institutional Shares
0.56%0.58%0.76%0.72%1.02%0.76%0.96%1.40%1.52%1.22%2.40%1.65%
WBCIX
William Blair Small-Mid Cap Core Fund
0.10%0.11%0.14%0.00%0.00%0.00%0.07%0.00%0.00%0.00%0.00%0.00%

Drawdowns

PRILX vs. WBCIX - Drawdown Comparison

The maximum PRILX drawdown since its inception was -42.00%, which is greater than WBCIX's maximum drawdown of -39.56%. Use the drawdown chart below to compare losses from any high point for PRILX and WBCIX. For additional features, visit the drawdowns tool.


-14.00%-12.00%-10.00%-8.00%-6.00%-4.00%-2.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-8.74%
-3.95%
PRILX
WBCIX

Volatility

PRILX vs. WBCIX - Volatility Comparison

The current volatility for Parnassus Core Equity Institutional Shares (PRILX) is 3.80%, while William Blair Small-Mid Cap Core Fund (WBCIX) has a volatility of 4.21%. This indicates that PRILX experiences smaller price fluctuations and is considered to be less risky than WBCIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


3.00%4.00%5.00%6.00%7.00%8.00%9.00%AugustSeptemberOctoberNovemberDecember2025
3.80%
4.21%
PRILX
WBCIX
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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