PARWX vs. BRK-B
PARWX (Parnassus Endeavor Fund) is Large Cap Value Equities fund managed by Parnassus, while BRK-B (Berkshire Hathaway Inc.) is a stock. Over the past 10 years, PARWX returned 15.35%/yr vs 13.42%/yr for BRK-B. A 0.59 correlation means they provide meaningful diversification when combined.
Performance
PARWX vs. BRK-B - Performance Comparison
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Returns By Period
In the year-to-date period, PARWX achieves a 13.88% return, which is significantly higher than BRK-B's -2.95% return. Over the past 10 years, PARWX has outperformed BRK-B with an annualized return of 15.35%, while BRK-B has yielded a comparatively lower 13.42% annualized return.
PARWX
- 1D
- 0.02%
- 1M
- 1.88%
- YTD
- 13.88%
- 6M
- 12.72%
- 1Y
- 31.12%
- 3Y*
- 19.00%
- 5Y*
- 9.13%
- 10Y*
- 15.35%
BRK-B
- 1D
- -1.41%
- 1M
- 0.87%
- YTD
- -2.95%
- 6M
- -2.70%
- 1Y
- 0.33%
- 3Y*
- 13.44%
- 5Y*
- 11.87%
- 10Y*
- 13.42%
PARWX vs. BRK-B - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PARWX Parnassus Endeavor Fund | 13.88% | 19.07% | 12.03% | 13.67% | -13.71% | 31.09% | 27.42% | 33.28% | -13.58% | 19.85% |
BRK-B Berkshire Hathaway Inc. | -2.95% | 10.89% | 27.09% | 15.46% | 3.31% | 28.95% | 2.37% | 10.93% | 3.01% | 21.62% |
Correlation
The correlation between PARWX and BRK-B is 0.21, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.21 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.43 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.58 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.62 |
Correlation (All Time) Calculated using the full available price history since Apr 29, 2005 | 0.59 |
Over the past year, the correlation between PARWX and BRK-B has dropped to 0.21 - well below their long-term average of 0.59, suggesting their price drivers have been diverging.
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Return for Risk
PARWX vs. BRK-B — Risk / Return Rank
PARWX
BRK-B
PARWX vs. BRK-B - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Parnassus Endeavor Fund (PARWX) and Berkshire Hathaway Inc. (BRK-B). 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.
| PARWX | BRK-B | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.52 | ||
| Sortino ratioReturn per unit of downside risk | +3.45 | ||
| Omega ratioGain probability vs. loss probability | 1.45 | 1.02 | +0.43 |
| Calmar ratioReturn relative to maximum drawdown | 3.44 | 0.04 | +3.41 |
| Martin ratioReturn relative to average drawdown | 16.17 | 0.07 | +16.10 |
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Drawdowns
PARWX vs. BRK-B - Drawdown Comparison
The maximum PARWX drawdown since its inception was -47.76%, smaller than the maximum BRK-B drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for PARWX and BRK-B.
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Drawdown Indicators
| PARWX | BRK-B | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -47.76% | -53.86% | +6.10% |
Max Drawdown (1Y)Largest decline over 1 year | -8.92% | -9.42% | +0.50% |
Max Drawdown (3Y)Largest decline over 3 years | -18.02% | -14.95% | -3.07% |
Max Drawdown (5Y)Largest decline over 5 years | -32.27% | -26.58% | -5.69% |
Max Drawdown (10Y)Largest decline over 10 years | -37.21% | -29.57% | -7.64% |
Current DrawdownCurrent decline from peak | -1.14% | -9.63% | +8.49% |
Average DrawdownAverage peak-to-trough decline | -6.86% | -11.07% | +4.21% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.89% | 4.51% | -2.62% |
Volatility
PARWX vs. BRK-B - Volatility Comparison
Parnassus Endeavor Fund (PARWX) and Berkshire Hathaway Inc. (BRK-B) have volatilities of 3.91% and 3.80%, 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
| PARWX | BRK-B | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.91% | 3.80% | +0.11% |
Volatility (6M)Calculated over the trailing 6-month period | 9.67% | 10.53% | -0.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.17% | 14.40% | -2.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.74% | 17.10% | +1.64% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.00% | 19.39% | +1.61% |
Dividends
PARWX vs. BRK-B - Dividend Comparison
PARWX's dividend yield for the trailing twelve months is around 10.66%, while BRK-B has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BRK-B Berkshire Hathaway Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
PARWX Parnassus Endeavor Fund | 10.66% | 12.14% | 8.25% | 1.76% | 2.97% | 16.75% | 0.70% | 0.79% | 12.34% | 6.32% | 3.27% | 10.26% |
Frequently Asked Questions
PARWX and BRK-B have a correlation of 0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PARWX has higher volatility (3.91%) compared to BRK-B (3.80%). In terms of maximum drawdown, PARWX dropped -47.76% vs BRK-B's -53.86%.
PARWX currently has the higher Sharpe Ratio (2.54 vs 0.02), 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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