POGRX vs. VPCCX

Last updated Jun 23, 2026

POGRX (PrimeCap Odyssey Growth Fund) and VPCCX (Vanguard PRIMECAP Core Fund) are both mutual funds - POGRX is a Large Cap Growth Equities fund managed by PRIMECAP Odyssey Funds, while VPCCX is a Large Cap Blend Equities fund actively managed by Vanguard. Over the past 10 years, POGRX returned 17.99%/yr vs 17.53%/yr for VPCCX. With a 0.96 correlation, they move nearly in lockstep. POGRX charges 0.65%/yr vs 0.37%/yr for VPCCX.

Performance

POGRX vs. VPCCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PrimeCap Odyssey Growth Fund (POGRX) and Vanguard PRIMECAP Core Fund (VPCCX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, POGRX achieves a 29.75% return, which is significantly lower than VPCCX's 32.08% return. Both investments have delivered pretty close results over the past 10 years, with POGRX having a 17.99% annualized return and VPCCX not far behind at 17.53%.

POGRX

• 1D: 2.81%
• 1M: 7.74%
• YTD: 29.75%
• 6M: 27.90%
• 1Y: 67.31%
• 3Y*: 28.60%
• 5Y*: 16.63%
• 10Y*: 17.99%

VPCCX

• 1D: 2.15%
• 1M: 6.98%
• YTD: 32.08%
• 6M: 30.92%
• 1Y: 64.43%
• 3Y*: 28.50%
• 5Y*: 17.51%
• 10Y*: 17.53%

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

POGRX vs. VPCCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
POGRX PrimeCap Odyssey Growth Fund	29.75%	32.99%	13.09%	23.85%	-14.61%	18.81%	17.05%	23.98%	-4.56%	32.07%
VPCCX Vanguard PRIMECAP Core Fund	32.08%	29.96%	12.72%	23.58%	-12.43%	24.30%	12.04%	27.70%	-4.89%	26.27%

Correlation

The correlation between POGRX and VPCCX is 0.93, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (10Y) Calculated over the trailing 10-year period	0.95
Correlation (All Time) Calculated using the full available price history since Dec 9, 2004	0.96

The correlation between POGRX and VPCCX has been stable across timeframes, ranging from 0.93 to 0.96 - a consistent structural relationship.

Return for Risk

POGRX vs. VPCCX — Risk / Return Rank

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

POGRX

POGRX Risk / Return Rank: 93
POGRX Sharpe Ratio Rank: 97
POGRX Sortino Ratio Rank: 93
POGRX Omega Ratio Rank: 90
POGRX Calmar Ratio Rank: 92
POGRX Martin Ratio Rank: 94

VPCCX

VPCCX Risk / Return Rank: 96
VPCCX Sharpe Ratio Rank: 98
VPCCX Sortino Ratio Rank: 95
VPCCX Omega Ratio Rank: 91
VPCCX Calmar Ratio Rank: 97
VPCCX Martin Ratio Rank: 98

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.

POGRX vs. VPCCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PrimeCap Odyssey Growth Fund (POGRX) and Vanguard PRIMECAP Core Fund (VPCCX). 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.

	POGRX	VPCCX	Difference
Sharpe ratio: Return per unit of total volatility	3.42	3.64	-0.21
Sortino ratio: Return per unit of downside risk	4.43	4.80	-0.37
Omega ratio: Gain probability vs. loss probability	1.60	1.64	-0.04
Calmar ratio: Return relative to maximum drawdown	4.63	6.22	-1.59
Martin ratio: Return relative to average drawdown	19.52	27.85	-8.33

POGRX vs. VPCCX - Sharpe Ratio Comparison

The current POGRX Sharpe Ratio is 3.42, which is comparable to the VPCCX Sharpe Ratio of 3.64. The chart below compares the historical Sharpe Ratios of POGRX and VPCCX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

POGRX vs. VPCCX - Drawdown Comparison

The maximum POGRX drawdown since its inception was -51.63%, which is greater than VPCCX's maximum drawdown of -47.53%. Use the drawdown chart below to compare losses from any high point for POGRX and VPCCX.

Drawdown Indicators

	POGRX	VPCCX	Difference
Max Drawdown Largest peak-to-trough decline	-51.63%	-47.53%	-4.10%
Max Drawdown (1Y) Largest decline over 1 year	-14.40%	-10.29%	-4.11%
Max Drawdown (3Y) Largest decline over 3 years	-22.13%	-19.92%	-2.21%
Max Drawdown (5Y) Largest decline over 5 years	-26.85%	-22.75%	-4.10%
Max Drawdown (10Y) Largest decline over 10 years	-35.29%	-34.60%	-0.69%
Current Drawdown Current decline from peak	0.00%	-0.10%	+0.10%
Average Drawdown Average peak-to-trough decline	-7.12%	-5.73%	-1.39%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.41%	2.29%	+1.12%

Volatility

POGRX vs. VPCCX - Volatility Comparison

PrimeCap Odyssey Growth Fund (POGRX) has a higher volatility of 8.95% compared to Vanguard PRIMECAP Core Fund (VPCCX) at 7.79%. This indicates that POGRX's price experiences larger fluctuations and is considered to be riskier than VPCCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	POGRX	VPCCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.95%	7.79%	+1.16%
Volatility (6M) Calculated over the trailing 6-month period	16.45%	14.73%	+1.72%
Volatility (1Y) Calculated over the trailing 1-year period	19.47%	17.60%	+1.87%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.89%	17.88%	+2.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.61%	18.87%	+1.74%

POGRX vs. VPCCX - Expense Ratio Comparison

POGRX has a 0.65% expense ratio, which is higher than VPCCX's 0.37% expense ratio.

Dividends

POGRX vs. VPCCX - Dividend Comparison

POGRX's dividend yield for the trailing twelve months is around 19.18%, more than VPCCX's 13.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
POGRX PrimeCap Odyssey Growth Fund	19.18%	24.89%	20.79%	13.28%	12.36%	13.68%	12.50%	5.13%	2.45%	1.54%	5.83%	1.29%
VPCCX Vanguard PRIMECAP Core Fund	13.06%	17.25%	7.17%	5.73%	8.40%	6.89%	7.89%	6.99%	9.45%	4.10%	5.52%	4.96%

Frequently Asked Questions

Can I hold both POGRX and VPCCX in my portfolio?

With a correlation of 0.93, POGRX and VPCCX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, POGRX or VPCCX?

POGRX has higher volatility (8.95%) compared to VPCCX (7.79%). In terms of maximum drawdown, POGRX dropped -51.63% vs VPCCX's -47.53%.

Which has better risk-adjusted returns?

VPCCX currently has the higher Sharpe Ratio (3.64 vs 3.42), 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.