POAGX vs. DOXGX

Last updated Aug 1, 2026

POAGX (PRIMECAP Odyssey Aggressive Growth Fund) and DOXGX (Dodge & Cox Stock Fund Class X) are both mutual funds - POAGX is a Mid Cap Growth Equities fund managed by PRIMECAP Odyssey Funds, while DOXGX is a Large Cap Value Equities fund actively managed by Dodge & Cox. Over the past 3 years, POAGX returned 21.71%/yr vs 14.13%/yr for DOXGX. Their 0.71 correlation means they have sometimes moved together and sometimes differently. POAGX charges 0.66%/yr vs 0.41%/yr for DOXGX.

Performance

POAGX vs. DOXGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PRIMECAP Odyssey Aggressive Growth Fund (POAGX) and Dodge & Cox Stock Fund Class X (DOXGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, POAGX achieves a 20.34% return, which is significantly higher than DOXGX's 9.20% return.

POAGX

• 1D: 4.55%
• 1M: -3.72%
• 6M: 14.92%
• YTD: 20.34%
• 1Y: 47.84%
• 3Y*: 21.71%
• 5Y*: 9.39%
• 10Y*: 14.55%
• ALL TIME*: 14.07%

DOXGX

• 1D: -0.11%
• 1M: 2.59%
• 6M: 7.58%
• YTD: 9.20%
• 1Y: 18.67%
• 3Y*: 14.13%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 12.23%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
DOXGX Dodge & Cox Stock Fund Class X	$0.00	$0.00	$0.00
POAGX PRIMECAP Odyssey Aggressive Growth Fund	$0.00	$0.00	$0.00

POAGX vs. DOXGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
POAGX PRIMECAP Odyssey Aggressive Growth Fund	20.34%	28.68%	12.56%	25.02%	-5.90%
DOXGX Dodge & Cox Stock Fund Class X	9.20%	13.77%	14.47%	17.60%	-2.46%

Correlation

The correlation between POAGX and DOXGX is 0.41, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.41
Correlation (3Y) Balances recent behavior with more history.	0.62
Correlation (All Time) Calculated using the full available price history since May 3, 2022	0.71

Over the past year, the correlation between POAGX and DOXGX has dropped to 0.41 - well below their long-term average of 0.71, suggesting their price drivers have been diverging.

Return for Risk

POAGX vs. DOXGX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

POAGX

POAGX Risk / Return Rank: 78
POAGX Sharpe Ratio Rank: 79
POAGX Sortino Ratio Rank: 76
POAGX Omega Ratio Rank: 74
POAGX Calmar Ratio Rank: 81
POAGX Martin Ratio Rank: 80

DOXGX

DOXGX Risk / Return Rank: 55
DOXGX Sharpe Ratio Rank: 52
DOXGX Sortino Ratio Rank: 54
DOXGX Omega Ratio Rank: 47
DOXGX Calmar Ratio Rank: 63
DOXGX Martin Ratio Rank: 60

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

POAGX vs. DOXGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PRIMECAP Odyssey Aggressive Growth Fund (POAGX) and Dodge & Cox Stock Fund Class X (DOXGX). 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.

	POAGX	DOXGX	Difference
Sharpe ratio: Return per unit of total volatility	1.83	1.33	+0.50
Sortino ratio: Return per unit of downside risk	2.54	1.94	+0.60
Omega ratio: Gain probability vs. loss probability	1.31	1.23	+0.08
Calmar ratio: Return relative to maximum drawdown	2.62	2.05	+0.57
Martin ratio: Return relative to average drawdown	9.51	7.54	+1.97

POAGX vs. DOXGX - Sharpe Ratio Comparison

The current POAGX Sharpe Ratio is 1.83, which is higher than the DOXGX Sharpe Ratio of 1.33. The chart below compares the historical Sharpe Ratios of POAGX and DOXGX, 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

POAGX vs. DOXGX - Drawdown Comparison

The maximum POAGX drawdown since its inception was -55.77%, which is greater than DOXGX's maximum drawdown of -16.47%. Use the drawdown chart below to compare losses from any high point for POAGX and DOXGX.

Drawdown Indicators

	POAGX	DOXGX	Difference
Max Drawdown Largest peak-to-trough decline	-55.77%	-16.47%	-39.30%
Max Drawdown (1Y) Largest decline over 1 year	-16.87%	-7.51%	-9.36%
Max Drawdown (3Y) Largest decline over 3 years	-24.73%	-14.88%	-9.85%
Max Drawdown (5Y) Largest decline over 5 years	-38.80%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-38.80%	—	—
Current Drawdown Current decline from peak	-8.24%	-0.50%	-7.74%
Average Drawdown Average peak-to-trough decline	-9.50%	-3.07%	-6.43%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.65%	2.06%	+2.59%

Volatility

POAGX vs. DOXGX - Volatility Comparison

PRIMECAP Odyssey Aggressive Growth Fund (POAGX) has a higher volatility of 8.56% compared to Dodge & Cox Stock Fund Class X (DOXGX) at 3.42%. This indicates that POAGX's price experiences larger fluctuations and is considered to be riskier than DOXGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	POAGX	DOXGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.56%	3.42%	+5.14%
Volatility (6M) Calculated over the trailing 6-month period	20.52%	8.47%	+12.05%
Volatility (1Y) Calculated over the trailing 1-year period	24.20%	11.58%	+12.62%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.59%	15.59%	+8.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.15%	15.59%	+7.56%

POAGX vs. DOXGX - Expense Ratio Comparison

POAGX has a 0.66% expense ratio, which is higher than DOXGX's 0.41% expense ratio.

Dividends

POAGX vs. DOXGX - Dividend Comparison

POAGX's dividend yield for the trailing twelve months is around 11.01%, more than DOXGX's 8.90% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DOXGX Dodge & Cox Stock Fund Class X	8.90%	9.96%	8.30%	3.86%	4.50%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
POAGX PRIMECAP Odyssey Aggressive Growth Fund	11.01%	13.25%	9.90%	5.54%	10.78%	5.93%	7.84%	5.33%	7.82%	0.86%	16.63%	12.52%

Frequently Asked Questions

Can I hold both POAGX and DOXGX in my portfolio?

POAGX and DOXGX have a correlation of 0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, POAGX or DOXGX?

POAGX has higher volatility (8.56%) compared to DOXGX (3.42%). In terms of maximum drawdown, POAGX dropped -55.77% vs DOXGX's -16.47%.

Which has better risk-adjusted returns?

POAGX currently has the higher Sharpe Ratio (1.83 vs 1.33), 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.