FIFOX vs. FIFNX

Last updated Jun 24, 2026

FIFOX (Fidelity Advisor Founders Fund Class A) and FIFNX (Fidelity Founders Fund) are both Large Cap Growth Equities funds from Fidelity. Over the past 5 years, FIFOX returned 12.20%/yr vs 12.51%/yr for FIFNX. With a 1.00 correlation, they move nearly in lockstep. FIFOX charges 1.15%/yr vs 0.90%/yr for FIFNX.

Performance

FIFOX vs. FIFNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Founders Fund Class A (FIFOX) and Fidelity Founders Fund (FIFNX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with FIFOX having a 8.40% return and FIFNX slightly higher at 8.56%.

FIFOX

• 1D: -0.61%
• 1M: 2.82%
• YTD: 8.40%
• 6M: 6.85%
• 1Y: 20.53%
• 3Y*: 24.10%
• 5Y*: 12.20%
• 10Y*: —

FIFNX

• 1D: -0.57%
• 1M: 2.89%
• YTD: 8.56%
• 6M: 7.02%
• 1Y: 20.88%
• 3Y*: 24.46%
• 5Y*: 12.51%
• 10Y*: —

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

FIFOX vs. FIFNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
FIFOX Fidelity Advisor Founders Fund Class A	8.40%	15.98%	36.15%	33.53%	-26.85%	18.67%	46.72%	13.79%
FIFNX Fidelity Founders Fund	8.56%	16.34%	36.44%	33.95%	-26.69%	19.00%	47.20%	13.95%

Correlation

The correlation between FIFOX and FIFNX is 1.00 - 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	1.00
Correlation (3Y) Calculated over the trailing 3-year period	1.00
Correlation (5Y) Calculated over the trailing 5-year period	1.00
Correlation (All Time) Calculated using the full available price history since Feb 22, 2019	1.00

The correlation between FIFOX and FIFNX has been stable across timeframes, ranging from 1.00 to 1.00 - a consistent structural relationship.

Return for Risk

FIFOX vs. FIFNX — Risk / Return Rank

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

FIFOX

FIFOX Risk / Return Rank: 28
FIFOX Sharpe Ratio Rank: 27
FIFOX Sortino Ratio Rank: 26
FIFOX Omega Ratio Rank: 26
FIFOX Calmar Ratio Rank: 26
FIFOX Martin Ratio Rank: 33

FIFNX

FIFNX Risk / Return Rank: 29
FIFNX Sharpe Ratio Rank: 28
FIFNX Sortino Ratio Rank: 27
FIFNX Omega Ratio Rank: 27
FIFNX Calmar Ratio Rank: 27
FIFNX Martin Ratio Rank: 34

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.

FIFOX vs. FIFNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Founders Fund Class A (FIFOX) and Fidelity Founders Fund (FIFNX). 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.

	FIFOX	FIFNX	Difference
Sharpe ratio: Return per unit of total volatility	1.39	1.41	-0.03
Sortino ratio: Return per unit of downside risk	1.97	2.00	-0.03
Omega ratio: Gain probability vs. loss probability	1.25	1.25	0.00
Calmar ratio: Return relative to maximum drawdown	1.75	1.80	-0.04
Martin ratio: Return relative to average drawdown	6.97	7.16	-0.19

FIFOX vs. FIFNX - Sharpe Ratio Comparison

The current FIFOX Sharpe Ratio is 1.39, which is comparable to the FIFNX Sharpe Ratio of 1.41. The chart below compares the historical Sharpe Ratios of FIFOX and FIFNX, 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

FIFOX vs. FIFNX - Drawdown Comparison

The maximum FIFOX drawdown since its inception was -32.69%, roughly equal to the maximum FIFNX drawdown of -32.52%. Use the drawdown chart below to compare losses from any high point for FIFOX and FIFNX.

Drawdown Indicators

	FIFOX	FIFNX	Difference
Max Drawdown Largest peak-to-trough decline	-32.69%	-32.52%	-0.17%
Max Drawdown (1Y) Largest decline over 1 year	-12.36%	-12.27%	-0.09%
Max Drawdown (3Y) Largest decline over 3 years	-23.30%	-23.26%	-0.04%
Max Drawdown (5Y) Largest decline over 5 years	-32.69%	-32.52%	-0.17%
Current Drawdown Current decline from peak	-1.34%	-1.28%	-0.06%
Average Drawdown Average peak-to-trough decline	-8.04%	-7.95%	-0.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.10%	3.07%	+0.03%

Volatility

FIFOX vs. FIFNX - Volatility Comparison

Fidelity Advisor Founders Fund Class A (FIFOX) and Fidelity Founders Fund (FIFNX) have volatilities of 6.01% and 5.99%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FIFOX	FIFNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.01%	5.99%	+0.02%
Volatility (6M) Calculated over the trailing 6-month period	12.53%	12.51%	+0.02%
Volatility (1Y) Calculated over the trailing 1-year period	15.65%	15.65%	0.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.30%	21.30%	0.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.57%	22.58%	-0.01%

FIFOX vs. FIFNX - Expense Ratio Comparison

FIFOX has a 1.15% expense ratio, which is higher than FIFNX's 0.90% expense ratio.

Dividends

FIFOX vs. FIFNX - Dividend Comparison

FIFOX's dividend yield for the trailing twelve months is around 2.42%, more than FIFNX's 2.38% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
FIFNX Fidelity Founders Fund	2.38%	2.40%	6.31%	0.11%	2.54%	6.17%	0.00%	0.09%
FIFOX Fidelity Advisor Founders Fund Class A	2.42%	2.44%	6.38%	0.00%	2.42%	5.91%	0.00%	0.03%

Frequently Asked Questions

Can I hold both FIFOX and FIFNX in my portfolio?

With a correlation of 1.00, FIFOX and FIFNX 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, FIFOX or FIFNX?

FIFOX has higher volatility (6.01%) compared to FIFNX (5.99%). In terms of maximum drawdown, FIFOX dropped -32.69% vs FIFNX's -32.52%.

Which has better risk-adjusted returns?

FIFNX currently has the higher Sharpe Ratio (1.41 vs 1.39), 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.