AKREX vs. PRBLX

Last updated Apr 2, 2026

Compare and contrast key facts about Akre Focus Fund Retail Class (AKREX) and Parnassus Core Equity Fund (PRBLX).

AKREX is managed by Akre. It was launched on Aug 31, 2009. PRBLX is managed by Parnassus. It was launched on Aug 31, 1992.

Performance

AKREX vs. PRBLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Akre Focus Fund Retail Class (AKREX) and Parnassus Core Equity Fund (PRBLX). The values are adjusted to include any dividend payments, if applicable.

AKREX vs. PRBLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AKREX Akre Focus Fund Retail Class	0.00%	1.72%	17.97%	28.39%	-22.95%	24.23%	20.37%	35.05%	5.25%	30.49%
PRBLX Parnassus Core Equity Fund	-6.17%	11.67%	18.58%	24.97%	-18.64%	27.59%	21.21%	30.68%	-0.30%	16.63%

Returns By Period

AKREX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

PRBLX

• 1D: 2.68%
• 1M: -6.10%
• YTD: -6.17%
• 6M: -5.13%
• 1Y: 6.94%
• 3Y*: 13.02%
• 5Y*: 8.22%
• 10Y*: 12.27%

*Multi-year figures are annualized to reflect compound growth (CAGR)

AKREX vs. PRBLX - Expense Ratio Comparison

AKREX has a 1.30% expense ratio, which is higher than PRBLX's 0.82% expense ratio.

AKREX

Akre Focus Fund Retail Class

PRBLX

Parnassus Core Equity Fund

Return for Risk

AKREX vs. PRBLX — Risk / Return Rank

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

PRBLX

PRBLX Risk / Return Rank: 16
PRBLX Sharpe Ratio Rank: 15
PRBLX Sortino Ratio Rank: 16
PRBLX Omega Ratio Rank: 15
PRBLX Calmar Ratio Rank: 16
PRBLX Martin Ratio Rank: 17

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.

AKREX vs. PRBLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Akre Focus Fund Retail Class (AKREX) and Parnassus Core Equity Fund (PRBLX). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	AKREX	PRBLX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	0.44	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.51	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.71	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.69	—

Correlation

The correlation between AKREX and PRBLX 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.

Dividends

AKREX vs. PRBLX - Dividend Comparison

AKREX's dividend yield for the trailing twelve months is around 4.80%, less than PRBLX's 20.28% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AKREX Akre Focus Fund Retail Class	4.80%	4.80%	5.07%	3.56%	6.73%	3.65%	0.00%	2.99%	0.55%	0.62%	0.18%	0.00%
PRBLX Parnassus Core Equity Fund	20.28%	19.08%	10.00%	6.01%	10.13%	7.77%	5.87%	8.02%	9.64%	7.16%	3.80%	9.62%

Drawdowns

Drawdown Indicators

	AKREX	PRBLX	Difference
Max Drawdown Largest peak-to-trough decline	—	-42.20%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-11.63%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-26.31%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-30.09%	—
Current Drawdown Current decline from peak	—	-9.24%	—
Average Drawdown Average peak-to-trough decline	—	-4.06%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.14%	—

Volatility

Volatility by Period

	AKREX	PRBLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	5.11%	—
Volatility (6M) Calculated over the trailing 6-month period	—	8.96%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	16.86%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	16.23%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	17.24%	—