FGTAX vs. POGRX

Last updated Jul 18, 2026

FGTAX (Fidelity Advisor Mega Cap Stock Fund Class A) and POGRX (PRIMECAP Odyssey Growth Fund) are both Large Cap Blend Equities funds. Over the past 10 years, FGTAX returned 16.05%/yr vs 16.91%/yr for POGRX. Their correlation of 0.87 suggests significant overlap in exposure. FGTAX charges 0.90%/yr vs 0.66%/yr for POGRX.

Performance

FGTAX vs. POGRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Mega Cap Stock Fund Class A (FGTAX) and PRIMECAP Odyssey Growth Fund (POGRX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FGTAX achieves a 11.42% return, which is significantly lower than POGRX's 23.78% return. Over the past 10 years, FGTAX has underperformed POGRX with an annualized return of 16.05%, while POGRX has yielded a comparatively higher 16.91% annualized return.

FGTAX

• 1D: -0.61%
• 1M: 2.34%
• 6M: 8.62%
• YTD: 11.42%
• 1Y: 23.65%
• 3Y*: 23.99%
• 5Y*: 16.64%
• 10Y*: 16.05%

POGRX

• 1D: -1.35%
• 1M: -1.92%
• 6M: 17.84%
• YTD: 23.78%
• 1Y: 49.26%
• 3Y*: 26.28%
• 5Y*: 15.77%
• 10Y*: 16.91%

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

FGTAX vs. POGRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FGTAX Fidelity Advisor Mega Cap Stock Fund Class A	11.42%	26.58%	25.62%	26.18%	-9.26%	25.98%	12.59%	30.74%	-7.68%	17.54%
POGRX PRIMECAP Odyssey Growth Fund	23.78%	32.99%	13.09%	23.85%	-14.61%	18.81%	17.05%	23.98%	-4.56%	32.07%

Correlation

The correlation between FGTAX and POGRX is 0.74, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.74
Correlation (3Y) Calculated over the trailing 3-year period	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.86
Correlation (10Y) Calculated over the trailing 10-year period	0.85
Correlation (All Time) Calculated using the full available price history since Feb 7, 2008	0.87

The correlation between FGTAX and POGRX shifts across timeframes, from 0.74 (1 year) to 0.87 (all time), reflecting how their relationship changes across market environments.

Return for Risk

FGTAX vs. POGRX — Risk / Return Rank

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

FGTAX

FGTAX Risk / Return Rank: 69
FGTAX Sharpe Ratio Rank: 69
FGTAX Sortino Ratio Rank: 66
FGTAX Omega Ratio Rank: 64
FGTAX Calmar Ratio Rank: 69
FGTAX Martin Ratio Rank: 79

POGRX

POGRX Risk / Return Rank: 86
POGRX Sharpe Ratio Rank: 88
POGRX Sortino Ratio Rank: 83
POGRX Omega Ratio Rank: 82
POGRX Calmar Ratio Rank: 87
POGRX Martin Ratio Rank: 89

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.

FGTAX vs. POGRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Mega Cap Stock Fund Class A (FGTAX) and PRIMECAP Odyssey Growth Fund (POGRX). 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.

	FGTAX	POGRX	Difference
Sharpe ratio: Return per unit of total volatility	1.91	2.46	-0.55
Sortino ratio: Return per unit of downside risk	2.66	3.29	-0.63
Omega ratio: Gain probability vs. loss probability	1.34	1.43	-0.09
Calmar ratio: Return relative to maximum drawdown	2.67	3.50	-0.84
Martin ratio: Return relative to average drawdown	11.63	14.01	-2.38

FGTAX vs. POGRX - Sharpe Ratio Comparison

The current FGTAX Sharpe Ratio is 1.91, which is comparable to the POGRX Sharpe Ratio of 2.46. The chart below compares the historical Sharpe Ratios of FGTAX and POGRX, 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

FGTAX vs. POGRX - Drawdown Comparison

The maximum FGTAX drawdown since its inception was -53.07%, roughly equal to the maximum POGRX drawdown of -51.63%. Use the drawdown chart below to compare losses from any high point for FGTAX and POGRX.

Drawdown Indicators

	FGTAX	POGRX	Difference
Max Drawdown Largest peak-to-trough decline	-53.07%	-51.63%	-1.44%
Max Drawdown (1Y) Largest decline over 1 year	-9.04%	-14.40%	+5.36%
Max Drawdown (3Y) Largest decline over 3 years	-18.52%	-22.13%	+3.61%
Max Drawdown (5Y) Largest decline over 5 years	-23.48%	-26.85%	+3.37%
Max Drawdown (10Y) Largest decline over 10 years	-35.21%	-35.29%	+0.08%
Current Drawdown Current decline from peak	-0.61%	-7.53%	+6.92%
Average Drawdown Average peak-to-trough decline	-6.74%	-7.11%	+0.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.07%	3.59%	-1.52%

Volatility

FGTAX vs. POGRX - Volatility Comparison

The current volatility for Fidelity Advisor Mega Cap Stock Fund Class A (FGTAX) is 3.22%, while PRIMECAP Odyssey Growth Fund (POGRX) has a volatility of 7.82%. This indicates that FGTAX experiences smaller price fluctuations and is considered to be less risky than POGRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FGTAX	POGRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.22%	7.82%	-4.60%
Volatility (6M) Calculated over the trailing 6-month period	9.72%	17.45%	-7.73%
Volatility (1Y) Calculated over the trailing 1-year period	12.61%	20.49%	-7.88%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.72%	20.08%	-3.36%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.05%	20.59%	-2.54%

FGTAX vs. POGRX - Expense Ratio Comparison

FGTAX has a 0.90% expense ratio, which is higher than POGRX's 0.66% expense ratio.

Dividends

FGTAX vs. POGRX - Dividend Comparison

FGTAX's dividend yield for the trailing twelve months is around 3.34%, less than POGRX's 20.11% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FGTAX Fidelity Advisor Mega Cap Stock Fund Class A	3.34%	3.72%	2.48%	1.86%	4.17%	4.61%	7.84%	12.91%	21.65%	16.21%	1.75%	3.75%
POGRX PRIMECAP Odyssey Growth Fund	20.11%	24.89%	20.79%	13.28%	12.36%	13.68%	12.50%	5.13%	2.45%	1.54%	5.83%	1.29%

Frequently Asked Questions

Can I hold both FGTAX and POGRX in my portfolio?

FGTAX and POGRX have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FGTAX or POGRX?

POGRX has higher volatility (7.82%) compared to FGTAX (3.22%). In terms of maximum drawdown, FGTAX dropped -53.07% vs POGRX's -51.63%.

Which has better risk-adjusted returns?

POGRX currently has the higher Sharpe Ratio (2.46 vs 1.91), 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.