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PARNX vs. IUSG
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between PARNX and IUSG is 0.85, 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

PARNX vs. IUSG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Parnassus Mid Cap Growth Fund (PARNX) and iShares Core S&P U.S. Growth ETF (IUSG). The values are adjusted to include any dividend payments, if applicable.

-5.00%0.00%5.00%10.00%15.00%20.00%SeptemberOctoberNovemberDecember2025
4.23%
16.72%
PARNX
IUSG

Key characteristics

Sharpe Ratio

PARNX:

0.49

IUSG:

1.78

Sortino Ratio

PARNX:

0.75

IUSG:

2.33

Omega Ratio

PARNX:

1.10

IUSG:

1.32

Calmar Ratio

PARNX:

0.39

IUSG:

2.55

Martin Ratio

PARNX:

1.65

IUSG:

9.92

Ulcer Index

PARNX:

5.04%

IUSG:

3.23%

Daily Std Dev

PARNX:

17.06%

IUSG:

18.05%

Max Drawdown

PARNX:

-71.21%

IUSG:

-63.35%

Current Drawdown

PARNX:

-12.62%

IUSG:

-1.82%

Returns By Period

In the year-to-date period, PARNX achieves a 5.90% return, which is significantly higher than IUSG's 3.19% return. Over the past 10 years, PARNX has underperformed IUSG with an annualized return of 3.80%, while IUSG has yielded a comparatively higher 15.37% annualized return.


PARNX

YTD

5.90%

1M

5.90%

6M

4.23%

1Y

10.87%

5Y*

4.14%

10Y*

3.80%

IUSG

YTD

3.19%

1M

3.19%

6M

16.72%

1Y

35.48%

5Y*

16.96%

10Y*

15.37%

*Annualized

Compare stocks, funds, or ETFs

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


PARNX vs. IUSG - Expense Ratio Comparison

PARNX has a 0.80% expense ratio, which is higher than IUSG's 0.04% expense ratio.


PARNX
Parnassus Mid Cap Growth Fund
Expense ratio chart for PARNX: current value at 0.80% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.80%
Expense ratio chart for IUSG: current value at 0.04% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.04%

Risk-Adjusted Performance

PARNX vs. IUSG — Risk-Adjusted Performance Rank

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

PARNX
The Risk-Adjusted Performance Rank of PARNX is 2323
Overall Rank
The Sharpe Ratio Rank of PARNX is 2020
Sharpe Ratio Rank
The Sortino Ratio Rank of PARNX is 2121
Sortino Ratio Rank
The Omega Ratio Rank of PARNX is 2020
Omega Ratio Rank
The Calmar Ratio Rank of PARNX is 3131
Calmar Ratio Rank
The Martin Ratio Rank of PARNX is 2323
Martin Ratio Rank

IUSG
The Risk-Adjusted Performance Rank of IUSG is 7373
Overall Rank
The Sharpe Ratio Rank of IUSG is 7474
Sharpe Ratio Rank
The Sortino Ratio Rank of IUSG is 7070
Sortino Ratio Rank
The Omega Ratio Rank of IUSG is 7373
Omega Ratio Rank
The Calmar Ratio Rank of IUSG is 7373
Calmar Ratio Rank
The Martin Ratio Rank of IUSG is 7575
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.

PARNX vs. IUSG - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Parnassus Mid Cap Growth Fund (PARNX) and iShares Core S&P U.S. Growth ETF (IUSG). 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 PARNX, currently valued at 0.49, compared to the broader market-1.000.001.002.003.004.000.491.78
The chart of Sortino ratio for PARNX, currently valued at 0.75, compared to the broader market0.002.004.006.008.0010.0012.000.752.33
The chart of Omega ratio for PARNX, currently valued at 1.10, compared to the broader market1.002.003.004.001.101.32
The chart of Calmar ratio for PARNX, currently valued at 0.39, compared to the broader market0.005.0010.0015.0020.000.392.55
The chart of Martin ratio for PARNX, currently valued at 1.65, compared to the broader market0.0020.0040.0060.0080.001.659.92
PARNX
IUSG

The current PARNX Sharpe Ratio is 0.49, which is lower than the IUSG Sharpe Ratio of 1.78. The chart below compares the historical Sharpe Ratios of PARNX and IUSG, 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 Ratio0.000.501.001.502.002.503.003.50SeptemberOctoberNovemberDecember2025
0.49
1.78
PARNX
IUSG

Dividends

PARNX vs. IUSG - Dividend Comparison

PARNX has not paid dividends to shareholders, while IUSG's dividend yield for the trailing twelve months is around 0.57%.


TTM20242023202220212020201920182017201620152014
PARNX
Parnassus Mid Cap Growth Fund
0.00%0.00%0.00%0.00%1.45%0.09%2.53%1.32%0.93%0.81%4.40%3.37%
IUSG
iShares Core S&P U.S. Growth ETF
0.57%0.59%1.12%1.07%0.59%0.93%1.64%1.32%1.28%1.48%1.29%1.21%

Drawdowns

PARNX vs. IUSG - Drawdown Comparison

The maximum PARNX drawdown since its inception was -71.21%, which is greater than IUSG's maximum drawdown of -63.35%. Use the drawdown chart below to compare losses from any high point for PARNX and IUSG. For additional features, visit the drawdowns tool.


-20.00%-15.00%-10.00%-5.00%0.00%SeptemberOctoberNovemberDecember2025
-12.62%
-1.82%
PARNX
IUSG

Volatility

PARNX vs. IUSG - Volatility Comparison

The current volatility for Parnassus Mid Cap Growth Fund (PARNX) is 4.51%, while iShares Core S&P U.S. Growth ETF (IUSG) has a volatility of 6.32%. This indicates that PARNX experiences smaller price fluctuations and is considered to be less risky than IUSG 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%SeptemberOctoberNovemberDecember2025
4.51%
6.32%
PARNX
IUSG
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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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