- ISIN
- US7017691012
- CUSIP
- 701769101
- Issuer
- Parnassus
- Inception Date
- Aug 31, 1992
- Region
- North America (U.S.)
- Category
- Large Cap Blend Equities
- 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
PRBLX Performance Chart
Parnassus Core Equity Fund (PRBLX) is up 7.8% since the beginning of the year. PRBLX is currently trading at $60 per share. Investors who bought $1,000 worth of PRBLX shares 5 years ago would now be looking at an investment worth $1,658.
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Returns By Period
Parnassus Core Equity Fund (PRBLX) has returned 7.77% so far this year and 16.44% over the past 12 months. Over the last ten years, PRBLX has had an annualized return of 13.76%, just under the S&P 500 Index benchmark’s 13.88%.
Parnassus Core Equity Fund
- 1D
- 1.65%
- 1M
- 2.48%
- YTD
- 7.77%
- 6M
- 7.55%
- 1Y
- 16.44%
- 3Y*
- 15.69%
- 5Y*
- 10.64%
- 10Y*
- 13.76%
Benchmark (S&P 500 Index)
- 1D
- -0.37%
- 1M
- -0.01%
- YTD
- 9.16%
- 6M
- 8.64%
- 1Y
- 25.22%
- 3Y*
- 19.78%
- 5Y*
- 11.99%
- 10Y*
- 13.88%
PRBLX Monthly Returns History
Based on dividend-adjusted daily data since Jan 4, 1993, PRBLX's average daily return is +0.05%, while the average monthly return is +0.96%. At this rate, an investment would double in approximately 6.0 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%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1.48% | -1.50% | -6.14% | 10.33% | 2.56% | 1.50% | 7.77% | ||||||
| 2025 | 3.76% | -1.21% | -4.82% | 0.09% | 5.18% | 4.32% | 2.20% | -0.20% | 0.57% | 1.76% | 0.53% | -0.66% | 11.67% |
| 2024 | 1.69% | 4.46% | 3.55% | -4.81% | 2.85% | 4.04% | 1.90% | 1.50% | 2.01% | -1.82% | 5.72% | -3.35% | 18.58% |
| 2023 | 5.48% | -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 3.76%, beta of 0.81, and R2 of 0.88 versus S&P 500 Index. Calculated based on daily prices since January 04, 1993.
- This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (87.87%) than losses (75.31%) - typical of diversified or defensive assets.
- This fund generated an annualized alpha of 3.76% versus S&P 500 Index - delivering returns beyond what market exposure alone would predict.
- Alpha
- 3.76%
- Beta
- 0.81
- R²
- 0.88
- Upside Capture
- 87.87%
- Downside Capture
- 75.31%
Expense Ratio
PRBLX has an expense ratio of 0.82%, placing it in the medium range.
Return for Risk
Risk / Return Rank
PRBLX ranks 22 for risk / return — below 22% of mutual funds on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Parnassus Core Equity Fund (PRBLX) and compare them to S&P 500 Index.
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.
| PRBLX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.72 | ||
| Sortino ratioReturn per unit of downside risk | -0.89 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 1.37 | -0.14 |
| Calmar ratioReturn relative to maximum drawdown | 1.39 | 2.78 | -1.40 |
| Martin ratioReturn relative to average drawdown | 5.38 | 12.44 | -7.05 |
Dividends
Dividend History
Parnassus Core Equity Fund provided a 17.66% 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.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 17.66% | 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.00 | $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 0.13%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Financial crisis2007–2009 | -42.20%Mar 2009 | 9mo 6d | 1y 8d | 1y 9moJun 2008 - Mar 2010 |
COVID crash2020 | -30.09%Mar 2020 | 1mo 2d | 4mo 13d | 5mo 15dFeb 2020 - Aug 2020 |
Bear market2022 | -26.31%Oct 2022 | 9mo 16d | 1y 2mo | 1y 11moDec 2021 - Dec 2023 |
Dot-com crash2000–2002 | -22.58%Oct 2002 | 7mo 1d | 7mo 20d | 1y 2moMar 2002 - May 2003 |
1998 bear market1998 | -20.49%Oct 1998 | 5mo 25d | 1mo 13d | 7mo 8dApr 1998 - Nov 1998 |
Drawdown Indicators
| PRBLX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -42.20% | -56.78% | +14.58% |
Max Drawdown (1Y)Largest decline over 1 year | -11.63% | -9.10% | -2.53% |
Max Drawdown (3Y)Largest decline over 3 years | -16.31% | -18.90% | +2.59% |
Max Drawdown (5Y)Largest decline over 5 years | -26.31% | -25.43% | -0.88% |
Max Drawdown (10Y)Largest decline over 10 years | -30.09% | -33.92% | +3.83% |
Current DrawdownCurrent decline from peak | -0.13% | -1.80% | +1.67% |
Average DrawdownAverage peak-to-trough decline | -4.04% | -10.71% | +6.67% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.98% | 2.03% | +0.95% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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