FZAHX vs. MFEIX

Last updated Jun 5, 2026

FZAHX (Fidelity Advisor Growth Opportunities Fund Class Z) and MFEIX (MFS Growth I) are both Large Cap Growth Equities funds. Over the past 10 years, FZAHX returned 22.45%/yr vs 17.52%/yr for MFEIX. Their correlation of 0.93 suggests significant overlap in exposure. FZAHX charges 0.67%/yr vs 0.60%/yr for MFEIX.

Performance

FZAHX vs. MFEIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Growth Opportunities Fund Class Z (FZAHX) and MFS Growth I (MFEIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FZAHX achieves a 15.79% return, which is significantly higher than MFEIX's 4.94% return. Over the past 10 years, FZAHX has outperformed MFEIX with an annualized return of 22.45%, while MFEIX has yielded a comparatively lower 17.52% annualized return.

FZAHX

• 1D: -0.96%
• 1M: 7.22%
• YTD: 15.79%
• 6M: 16.23%
• 1Y: 38.81%
• 3Y*: 31.78%
• 5Y*: 13.38%
• 10Y*: 22.45%

MFEIX

• 1D: -1.26%
• 1M: 3.16%
• YTD: 4.94%
• 6M: 4.32%
• 1Y: 15.37%
• 3Y*: 26.08%
• 5Y*: 13.78%
• 10Y*: 17.52%

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

FZAHX vs. MFEIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FZAHX Fidelity Advisor Growth Opportunities Fund Class Z	15.79%	22.61%	39.23%	45.70%	-38.18%	11.74%	69.25%	40.80%	15.25%	35.10%
MFEIX MFS Growth I	4.94%	12.34%	49.67%	36.15%	-31.14%	23.59%	31.65%	37.69%	2.30%	30.86%

Correlation

The correlation between FZAHX and MFEIX is 0.95 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.95
Correlation (3Y) Calculated over the trailing 3-year period	0.94
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 Aug 21, 2013	0.93

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

Return for Risk

FZAHX vs. MFEIX — Risk / Return Rank

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

FZAHX

FZAHX Risk / Return Rank: 47
FZAHX Sharpe Ratio Rank: 54
FZAHX Sortino Ratio Rank: 46
FZAHX Omega Ratio Rank: 48
FZAHX Calmar Ratio Rank: 43
FZAHX Martin Ratio Rank: 44

MFEIX

MFEIX Risk / Return Rank: 12
MFEIX Sharpe Ratio Rank: 14
MFEIX Sortino Ratio Rank: 13
MFEIX Omega Ratio Rank: 13
MFEIX Calmar Ratio Rank: 10
MFEIX Martin Ratio Rank: 11

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.

FZAHX vs. MFEIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Growth Opportunities Fund Class Z (FZAHX) and MFS Growth I (MFEIX). 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.

	FZAHX	MFEIX	Difference
Sharpe ratio: Return per unit of total volatility	2.19	1.02	+1.17
Sortino ratio: Return per unit of downside risk	2.85	1.47	+1.38
Omega ratio: Gain probability vs. loss probability	1.38	1.18	+0.19
Calmar ratio: Return relative to maximum drawdown	2.49	0.94	+1.55
Martin ratio: Return relative to average drawdown	9.33	3.05	+6.28
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FZAHX vs. MFEIX - Sharpe Ratio Comparison

The current FZAHX Sharpe Ratio is 2.19, which is higher than the MFEIX Sharpe Ratio of 1.02. The chart below compares the historical Sharpe Ratios of FZAHX and MFEIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	FZAHX	MFEIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.19	1.02	+1.17
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.54	0.63	-0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.94	0.83	+0.12
Sharpe Ratio (All Time) Calculated using the full available price history	0.88	0.44	+0.44

Drawdowns

FZAHX vs. MFEIX - Drawdown Comparison

The maximum FZAHX drawdown since its inception was -44.45%, smaller than the maximum MFEIX drawdown of -72.24%. Use the drawdown chart below to compare losses from any high point for FZAHX and MFEIX.

Drawdown Indicators

	FZAHX	MFEIX	Difference
Max Drawdown Largest peak-to-trough decline	-44.45%	-72.24%	+27.79%
Max Drawdown (1Y) Largest decline over 1 year	-16.06%	-17.30%	+1.24%
Max Drawdown (3Y) Largest decline over 3 years	-26.58%	-23.24%	-3.34%
Max Drawdown (5Y) Largest decline over 5 years	-44.45%	-36.11%	-8.34%
Max Drawdown (10Y) Largest decline over 10 years	-44.45%	-36.11%	-8.34%
Current Drawdown Current decline from peak	-1.03%	-1.60%	+0.57%
Average Drawdown Average peak-to-trough decline	-8.22%	-23.73%	+15.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.28%	5.31%	-1.03%

Volatility

FZAHX vs. MFEIX - Volatility Comparison

Fidelity Advisor Growth Opportunities Fund Class Z (FZAHX) has a higher volatility of 4.69% compared to MFS Growth I (MFEIX) at 3.87%. This indicates that FZAHX's price experiences larger fluctuations and is considered to be riskier than MFEIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FZAHX	MFEIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.69%	3.87%	+0.82%
Volatility (6M) Calculated over the trailing 6-month period	14.29%	12.30%	+1.99%
Volatility (1Y) Calculated over the trailing 1-year period	18.28%	15.88%	+2.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.84%	21.91%	+2.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.89%	21.24%	+2.65%

FZAHX vs. MFEIX - Expense Ratio Comparison

FZAHX has a 0.67% expense ratio, which is higher than MFEIX's 0.60% expense ratio.

Dividends

FZAHX vs. MFEIX - Dividend Comparison

FZAHX's dividend yield for the trailing twelve months is around 3.12%, less than MFEIX's 14.29% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FZAHX Fidelity Advisor Growth Opportunities Fund Class Z	3.12%	3.61%	0.00%	0.00%	0.00%	9.45%	5.15%	3.74%	11.00%	7.50%	14.42%	10.52%
MFEIX MFS Growth I	14.29%	14.99%	25.47%	4.86%	1.05%	2.76%	3.57%	1.57%	3.78%	2.50%	1.61%	3.65%

Frequently Asked Questions

Can I hold both FZAHX and MFEIX in my portfolio?

With a correlation of 0.95, FZAHX and MFEIX 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, FZAHX or MFEIX?

FZAHX has higher volatility (4.69%) compared to MFEIX (3.87%). In terms of maximum drawdown, FZAHX dropped -44.45% vs MFEIX's -72.24%.

Which has better risk-adjusted returns?

FZAHX currently has the higher Sharpe Ratio (2.19 vs 1.02), 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.