VOO vs. FGRTX

Last updated Jun 13, 2026

VOO (Vanguard S&P 500 ETF) and FGRTX (Fidelity Mega Cap Stock Fund) are both funds - VOO is a S&P 500 fund tracking the S&P 500 Index, while FGRTX is a Large Cap Blend Equities fund actively managed by Fidelity. VOO is passively managed, while FGRTX is actively managed. Over the past 10 years, VOO returned 15.50%/yr vs 16.46%/yr for FGRTX. Their correlation of 0.95 suggests significant overlap in exposure. VOO charges 0.03%/yr vs 0.58%/yr for FGRTX.

Performance

VOO vs. FGRTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard S&P 500 ETF (VOO) and Fidelity Mega Cap Stock Fund (FGRTX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VOO achieves a 9.08% return, which is significantly higher than FGRTX's 8.35% return. Over the past 10 years, VOO has underperformed FGRTX with an annualized return of 15.50%, while FGRTX has yielded a comparatively higher 16.46% annualized return.

VOO

• 1D: 0.55%
• 1M: -0.07%
• YTD: 9.08%
• 6M: 9.44%
• 1Y: 24.36%
• 3Y*: 20.95%
• 5Y*: 13.43%
• 10Y*: 15.50%

FGRTX

• 1D: 1.62%
• 1M: -1.08%
• YTD: 8.35%
• 6M: 9.78%
• 1Y: 26.75%
• 3Y*: 24.44%
• 5Y*: 15.83%
• 10Y*: 16.46%

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

VOO vs. FGRTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VOO Vanguard S&P 500 ETF	9.08%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	31.37%	-4.50%	21.77%
FGRTX Fidelity Mega Cap Stock Fund	8.35%	26.92%	25.98%	26.51%	-8.98%	26.29%	12.96%	31.07%	-7.44%	16.98%

Correlation

The correlation between VOO and FGRTX is 0.94, 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	0.94
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (10Y) Calculated over the trailing 10-year period	0.93
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010	0.95

The correlation between VOO and FGRTX has been stable across timeframes, ranging from 0.93 to 0.95 - a consistent structural relationship.

Return for Risk

VOO vs. FGRTX — Risk / Return Rank

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

VOO

VOO Risk / Return Rank: 70
VOO Sharpe Ratio Rank: 71
VOO Sortino Ratio Rank: 69
VOO Omega Ratio Rank: 71
VOO Calmar Ratio Rank: 63
VOO Martin Ratio Rank: 76

FGRTX

FGRTX Risk / Return Rank: 80
FGRTX Sharpe Ratio Rank: 80
FGRTX Sortino Ratio Rank: 77
FGRTX Omega Ratio Rank: 75
FGRTX Calmar Ratio Rank: 79
FGRTX Martin Ratio Rank: 87

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.

VOO vs. FGRTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P 500 ETF (VOO) and Fidelity Mega Cap Stock Fund (FGRTX). 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.

	VOO	FGRTX	Difference
Sharpe ratio: Return per unit of total volatility	1.99	2.17	-0.18
Sortino ratio: Return per unit of downside risk	2.70	2.98	-0.29
Omega ratio: Gain probability vs. loss probability	1.36	1.39	-0.03
Calmar ratio: Return relative to maximum drawdown	2.75	3.00	-0.25
Martin ratio: Return relative to average drawdown	12.42	13.36	-0.94

VOO vs. FGRTX - Sharpe Ratio Comparison

The current VOO Sharpe Ratio is 1.99, which is comparable to the FGRTX Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of VOO and FGRTX, 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

VOO vs. FGRTX - Drawdown Comparison

The maximum VOO drawdown since its inception was -33.99%, smaller than the maximum FGRTX drawdown of -56.17%. Use the drawdown chart below to compare losses from any high point for VOO and FGRTX.

Drawdown Indicators

	VOO	FGRTX	Difference
Max Drawdown Largest peak-to-trough decline	-33.99%	-56.17%	+22.18%
Max Drawdown (1Y) Largest decline over 1 year	-8.90%	-8.99%	+0.09%
Max Drawdown (3Y) Largest decline over 3 years	-18.69%	-18.51%	-0.18%
Max Drawdown (5Y) Largest decline over 5 years	-24.52%	-23.35%	-1.17%
Max Drawdown (10Y) Largest decline over 10 years	-33.99%	-35.18%	+1.19%
Current Drawdown Current decline from peak	-2.34%	-2.25%	-0.09%
Average Drawdown Average peak-to-trough decline	-3.68%	-8.71%	+5.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.97%	2.01%	-0.04%

Volatility

VOO vs. FGRTX - Volatility Comparison

Vanguard S&P 500 ETF (VOO) has a higher volatility of 4.34% compared to Fidelity Mega Cap Stock Fund (FGRTX) at 4.04%. This indicates that VOO's price experiences larger fluctuations and is considered to be riskier than FGRTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VOO	FGRTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.34%	4.04%	+0.30%
Volatility (6M) Calculated over the trailing 6-month period	9.58%	9.65%	-0.07%
Volatility (1Y) Calculated over the trailing 1-year period	12.27%	12.42%	-0.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.88%	16.77%	+0.11%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.03%	18.14%	-0.11%

VOO vs. FGRTX - Expense Ratio Comparison

VOO has a 0.03% expense ratio, which is lower than FGRTX's 0.58% expense ratio.

Dividends

VOO vs. FGRTX - Dividend Comparison

VOO's dividend yield for the trailing twelve months is around 1.05%, less than FGRTX's 3.59% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FGRTX Fidelity Mega Cap Stock Fund	3.59%	3.89%	2.68%	2.06%	4.38%	4.79%	7.96%	12.98%	21.72%	15.57%	1.97%	4.16%
VOO Vanguard S&P 500 ETF	1.05%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%

Frequently Asked Questions

Can I hold both VOO and FGRTX in my portfolio?

With a correlation of 0.94, VOO and FGRTX 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, VOO or FGRTX?

VOO has higher volatility (4.34%) compared to FGRTX (4.04%). In terms of maximum drawdown, VOO dropped -33.99% vs FGRTX's -56.17%.

Which has better risk-adjusted returns?

FGRTX currently has the higher Sharpe Ratio (2.17 vs 1.99), 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.