- ISIN
- US7017651099
- CUSIP
- 701765109
- Issuer
- Parnassus
- Inception Date
- Dec 27, 1984
- Category
- Mid Cap Growth Equities
- Min. Investment
- $2,000
- Distribution Policy
- Distributing
- Asset Class
- Equity
- Asset Class Size
- Mid-Cap
- Asset Class Style
- Growth
Share Price Chart
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Performance
PARNX Performance Chart
Parnassus Mid Cap Growth Fund (PARNX) is up 7.0% since the beginning of the year. PARNX is currently trading at $57 per share. Investors who bought $1,000 worth of PARNX shares 5 years ago would now be looking at an investment worth $1,221.
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Returns By Period
Parnassus Mid Cap Growth Fund (PARNX) has returned 6.99% so far this year and 19.11% over the past 12 months. Over the last ten years, PARNX has returned 9.75% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
Parnassus Mid Cap Growth Fund
- 1D
- 2.17%
- 1M
- 5.38%
- YTD
- 6.99%
- 6M
- 4.44%
- 1Y
- 19.11%
- 3Y*
- 14.45%
- 5Y*
- 4.08%
- 10Y*
- 9.75%
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%
PARNX Monthly Returns History
Based on dividend-adjusted daily data since Dec 27, 1984, PARNX's average daily return is +0.04%, while the average monthly return is +0.93%. At this rate, an investment would double in approximately 6.2 years.
Historically, 60% of months were positive and 40% were negative. The best month was Nov 2002 with a return of +19.8%, while the worst month was Oct 1987 at -32.5%. The longest winning streak lasted 9 consecutive months, and the longest losing streak was 6 months.
On a daily basis, PARNX closed higher 51% of trading days. The best single day was Apr 9, 2025 with a return of +11.4%, while the worst single day was Oct 19, 1987 at -17.8%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1.12% | -2.10% | -6.08% | 7.44% | 5.49% | 1.54% | 6.99% | ||||||
| 2025 | 5.97% | -6.32% | -9.32% | -0.41% | 8.09% | 5.24% | 1.77% | 2.35% | 3.59% | 2.80% | -1.61% | -1.93% | 9.14% |
| 2024 | -1.19% | 7.47% | 1.56% | -7.11% | 1.89% | 2.27% | 2.69% | 3.42% | 2.21% | -3.38% | 7.54% | -6.09% | 10.58% |
| 2023 | 12.94% | -1.17% | 1.89% | -3.29% | 0.73% | 7.11% | 3.87% | -1.11% | -3.76% | -4.17% | 12.50% | 7.24% | 35.60% |
| 2022 | -14.81% | -1.79% | 0.82% | -12.41% | -3.26% | -7.87% | 12.72% | -5.21% | -9.03% | 4.76% | 5.02% | -5.60% | -33.54% |
| 2021 | -1.87% | 3.35% | -0.51% | 4.98% | -2.75% | 4.47% | 2.54% | 1.02% | -5.83% | 6.43% | -2.91% | 0.80% | 9.35% |
Benchmark Metrics
Parnassus Mid Cap Growth Fund has an annualized alpha of 0.62%, beta of 0.98, and R2 of 0.69 versus S&P 500 Index. Calculated based on daily prices since December 27, 1984.
- This fund participated in 109.16% of S&P 500 Index downside but only 108.26% of its upside - more exposed to losses than it benefited from rallies.
- With beta of 0.98 and R2 of 0.69, this fund moves broadly in line with S&P 500 Index - much of its variation is explained by market exposure rather than independent behavior.
- Alpha
- 0.62%
- Beta
- 0.98
- R²
- 0.69
- Upside Capture
- 108.26%
- Downside Capture
- 109.16%
Expense Ratio
PARNX has an expense ratio of 0.80%, placing it in the medium range.
Return for Risk
Risk / Return Rank
PARNX ranks 15 for risk / return — in the bottom 15% 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.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Parnassus Mid Cap Growth Fund (PARNX) 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.
| PARNX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.04 | ||
| Sortino ratioReturn per unit of downside risk | -1.27 | ||
| Omega ratioGain probability vs. loss probability | 1.18 | 1.37 | -0.19 |
| Calmar ratioReturn relative to maximum drawdown | 1.32 | 2.78 | -1.47 |
| Martin ratioReturn relative to average drawdown | 4.34 | 12.44 | -8.09 |
Dividends
Dividend History
Parnassus Mid Cap Growth Fund provided a 16.22% dividend yield over the last twelve months, with an annual payout of $9.31 per share. The fund has been increasing its distributions for 3 consecutive years.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $9.31 | $9.31 | $4.24 | $1.59 | $0.52 | $2.90 | $3.20 | $2.13 | $3.22 | $3.84 | $0.92 | $7.97 |
Dividend yield | 16.22% | 17.36% | 7.38% | 2.86% | 1.23% | 4.50% | 5.20% | 4.21% | 7.94% | 7.96% | 2.04% | 19.70% |
Monthly Dividends
The table displays the monthly dividend distributions for Parnassus Mid Cap Growth 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 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $9.31 | $9.31 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $4.24 | $4.24 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $1.59 | $0.00 | $1.59 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.52 | $0.00 | $0.52 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $1.96 | $0.93 | $2.90 |
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 Mid Cap Growth 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 Mid Cap Growth Fund was 54.34%, occurring on Nov 20, 2008. Recovery took 356 trading sessions.
The current Parnassus Mid Cap Growth Fund drawdown is 0.23%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Financial crisis2007–2009 | -54.34%Nov 2008 | 8y 7mo | 1y 5mo | 10y 15dApr 2000 - Apr 2010 |
1998 bear market1998 | -50.94%Oct 1998 | 11mo 29d | 9mo 3d | 1y 8moOct 1997 - Jul 1999 |
Black Monday1987 | -44.11%Dec 1987 | 1mo 29d | 4y 1mo | 4y 3moOct 1987 - Jan 1992 |
Bear market2022 | -41.75%Oct 2022 | 11mo 1d | 2y 1mo | 3y 9dNov 2021 - Nov 2024 |
COVID crash2020 | -34.50%Mar 2020 | 1mo 2d | 3mo 29d | 5mo 1dFeb 2020 - Jul 2020 |
Drawdown Indicators
| PARNX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.34% | -56.78% | +2.44% |
Max Drawdown (1Y)Largest decline over 1 year | -14.49% | -9.10% | -5.39% |
Max Drawdown (3Y)Largest decline over 3 years | -27.87% | -18.90% | -8.97% |
Max Drawdown (5Y)Largest decline over 5 years | -41.75% | -25.43% | -16.32% |
Max Drawdown (10Y)Largest decline over 10 years | -41.75% | -33.92% | -7.83% |
Current DrawdownCurrent decline from peak | -0.23% | -1.80% | +1.57% |
Average DrawdownAverage peak-to-trough decline | -12.67% | -10.71% | -1.96% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.38% | 2.03% | +2.35% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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