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Parnassus Core Equity Fund (PRBLX)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Fund Info

ISIN
US7017691012
CUSIP
701769101
Issuer
Parnassus
Inception Date
Aug 31, 1992
Region
North America (U.S.)
Min. Investment
$2,000
Distribution Policy
Distributing
Asset Class
Equity
Asset Class Size
Large-Cap
Asset Class Style
Growth

Share Price Chart


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Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in Parnassus Core Equity Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.


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S&P 500 Index

Returns By Period

Parnassus Core Equity Fund (PRBLX) has returned -8.62% so far this year and 4.60% over the past 12 months. Over the last ten years, PRBLX has had an annualized return of 11.97%, just under the S&P 500 Index benchmark’s 12.16%.


Parnassus Core Equity Fund

1D
0.02%
1M
-8.59%
YTD
-8.62%
6M
-7.14%
1Y
4.60%
3Y*
12.03%
5Y*
7.94%
10Y*
11.97%

Benchmark (S&P 500 Index)

1D
2.91%
1M
-5.09%
YTD
-4.63%
6M
-2.39%
1Y
16.33%
3Y*
16.69%
5Y*
10.18%
10Y*
12.16%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

Based on dividend-adjusted daily data since Jan 4, 1993, PRBLX's average daily return is +0.05%, while the average monthly return is +0.93%. At this rate, your investment would double in approximately 6.2 years.

Historically, 67% of months were positive and 33% were negative. The best month was Oct 2002 with a return of +12.2%, while the worst month was Oct 2008 at -15.4%. The longest winning streak lasted 15 consecutive months, and the longest losing streak was 5 months.

On a daily basis, PRBLX closed higher 54% of trading days. The best single day was Oct 13, 2008 with a return of +12.0%, while the worst single day was Mar 16, 2020 at -10.6%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20261.48%-1.50%-8.59%-8.62%
20253.76%-1.21%-4.82%0.09%5.18%4.32%2.20%-0.20%0.57%1.76%0.53%-0.66%11.67%
20241.69%4.46%3.55%-4.81%2.85%4.04%1.90%1.50%2.01%-1.82%5.72%-3.35%18.58%
20235.48%-2.57%4.64%1.55%0.04%5.80%3.38%-1.27%-5.25%-1.63%9.06%4.21%24.97%
2022-5.03%-3.92%3.30%-8.24%-1.17%-6.65%7.94%-4.27%-9.93%7.86%7.48%-5.50%-18.64%
2021-1.64%3.98%4.75%4.60%0.67%1.99%3.26%2.81%-5.69%5.86%0.27%4.36%27.59%

Benchmark Metrics

Parnassus Core Equity Fund has an annualized alpha of 3.70%, beta of 0.81, and R² of 0.88 versus S&P 500 Index. Calculated based on daily prices since January 05, 1993.

  • This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (88.02%) than losses (75.83%) — typical of diversified or defensive assets.
  • This fund generated an annualized alpha of 3.70% versus S&P 500 Index — delivering returns beyond what market exposure alone would predict.

Alpha
3.70%
Beta
0.81
0.88
Upside Capture
88.02%
Downside Capture
75.83%

Expense Ratio

PRBLX has an expense ratio of 0.82%, placing it in the medium range.


Return for Risk

Risk / Return Rank

PRBLX ranks 11 for risk / return — in the bottom 11% of mutual funds on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.


PRBLX Risk / Return Rank: 1111
Overall Rank
PRBLX Sharpe Ratio Rank: 1111
Sharpe Ratio Rank
PRBLX Sortino Ratio Rank: 1111
Sortino Ratio Rank
PRBLX Omega Ratio Rank: 1111
Omega Ratio Rank
PRBLX Calmar Ratio Rank: 1010
Calmar Ratio Rank
PRBLX Martin Ratio Rank: 1111
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for Parnassus Core Equity Fund (PRBLX) and compare them to a chosen benchmark (S&P 500 Index).


PRBLXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

0.30

0.90

-0.59

Sortino ratio

Return per unit of downside risk

0.55

1.39

-0.83

Omega ratio

Gain probability vs. loss probability

1.08

1.21

-0.13

Calmar ratio

Return relative to maximum drawdown

0.24

1.40

-1.16

Martin ratio

Return relative to average drawdown

0.86

6.61

-5.74

Explore PRBLX risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.

Dividends

Dividend History

Parnassus Core Equity Fund provided a 20.83% dividend yield over the last twelve months, with an annual payout of $10.64 per share. The fund has been increasing its distributions for 2 consecutive years.


5.00%10.00%15.00%20.00%$0.00$2.00$4.00$6.00$8.00$10.0020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$10.64$10.66$5.96$3.31$4.75$4.93$3.15$3.77$3.76$3.05$1.49$3.56

Dividend yield

20.83%19.08%10.00%6.01%10.13%7.77%5.87%8.02%9.64%7.16%3.80%9.62%

Monthly Dividends

The table displays the monthly dividend distributions for Parnassus Core Equity Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$0.00$0.00
2025$0.00$0.00$0.03$0.00$0.00$0.02$0.00$0.00$0.00$0.00$0.00$10.62$10.66
2024$0.00$0.00$0.07$0.00$0.00$0.02$0.00$0.00$0.06$0.00$0.00$5.81$5.96
2023$0.00$0.00$0.07$0.00$0.00$0.07$0.00$0.00$0.09$0.00$3.00$0.09$3.31
2022$0.00$0.00$0.03$0.00$0.00$0.05$0.00$0.00$0.09$0.00$4.52$0.07$4.75
2021$0.00$0.00$0.04$0.00$0.00$0.06$0.00$0.00$0.06$0.00$4.40$0.37$4.93

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the Parnassus Core Equity Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Parnassus Core Equity Fund was 42.20%, occurring on Mar 9, 2009. Recovery took 258 trading sessions.

The current Parnassus Core Equity Fund drawdown is 11.61%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-42.2%Jun 6, 2008190Mar 9, 2009258Mar 17, 2010448
-30.09%Feb 20, 202023Mar 23, 202092Aug 3, 2020115
-26.31%Dec 30, 2021198Oct 12, 2022298Dec 19, 2023496
-22.58%Mar 12, 2002148Oct 9, 2002157May 27, 2003305
-20.49%Apr 16, 1998123Oct 8, 199831Nov 20, 1998154

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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