FFIDX vs. MOS

Last updated Jun 13, 2026

FFIDX (Fidelity Fund) is Large Cap Growth Equities fund managed by Fidelity, while MOS (The Mosaic Company) is a stock. Over the past 10 years, FFIDX returned 15.27%/yr vs 0.43%/yr for MOS. At a 0.41 correlation, their price movements are largely independent.

Performance

FFIDX vs. MOS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Fund (FFIDX) and The Mosaic Company (MOS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FFIDX achieves a 1.42% return, which is significantly higher than MOS's -4.05% return. Over the past 10 years, FFIDX has outperformed MOS with an annualized return of 15.27%, while MOS has yielded a comparatively lower 0.43% annualized return.

FFIDX

• 1D: 1.17%
• 1M: -1.34%
• YTD: 1.42%
• 6M: 2.47%
• 1Y: 19.24%
• 3Y*: 20.25%
• 5Y*: 12.27%
• 10Y*: 15.27%

MOS

• 1D: 7.59%
• 1M: 5.33%
• YTD: -4.05%
• 6M: -11.81%
• 1Y: -34.33%
• 3Y*: -11.86%
• 5Y*: -5.86%
• 10Y*: 0.43%

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

FFIDX vs. MOS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FFIDX Fidelity Fund	1.42%	20.04%	27.13%	30.93%	-25.88%	33.22%	26.43%	33.46%	-5.31%	23.28%
MOS The Mosaic Company	-4.05%	1.10%	-29.14%	-16.42%	12.80%	72.15%	7.60%	-25.28%	14.22%	-10.38%

Correlation

The correlation between FFIDX and MOS is 0.11, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.11
Correlation (3Y) Calculated over the trailing 3-year period	0.16
Correlation (5Y) Calculated over the trailing 5-year period	0.24
Correlation (10Y) Calculated over the trailing 10-year period	0.30
Correlation (All Time) Calculated using the full available price history since Oct 25, 2004	0.41

Over the past year, the correlation between FFIDX and MOS has dropped to 0.11 - well below their long-term average of 0.41, suggesting their price drivers have been diverging.

Return for Risk

FFIDX vs. MOS — Risk / Return Rank

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

FFIDX

FFIDX Risk / Return Rank: 37
FFIDX Sharpe Ratio Rank: 39
FFIDX Sortino Ratio Rank: 38
FFIDX Omega Ratio Rank: 37
FFIDX Calmar Ratio Rank: 30
FFIDX Martin Ratio Rank: 39

MOS

MOS Risk / Return Rank: 14
MOS Sharpe Ratio Rank: 12
MOS Sortino Ratio Rank: 14
MOS Omega Ratio Rank: 15
MOS Calmar Ratio Rank: 16
MOS Martin Ratio Rank: 15

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.

FFIDX vs. MOS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Fund (FFIDX) and The Mosaic Company (MOS). 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.

	FFIDX	MOS	Difference
Sharpe ratio: Return per unit of total volatility	1.43	-0.73	+2.16
Sortino ratio: Return per unit of downside risk	2.05	-0.87	+2.92
Omega ratio: Gain probability vs. loss probability	1.25	0.89	+0.36
Calmar ratio: Return relative to maximum drawdown	1.68	-0.70	+2.39
Martin ratio: Return relative to average drawdown	7.01	-1.22	+8.23

FFIDX vs. MOS - Sharpe Ratio Comparison

The current FFIDX Sharpe Ratio is 1.43, which is higher than the MOS Sharpe Ratio of -0.73. The chart below compares the historical Sharpe Ratios of FFIDX and MOS, 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

FFIDX vs. MOS - Drawdown Comparison

The maximum FFIDX drawdown since its inception was -55.35%, smaller than the maximum MOS drawdown of -94.71%. Use the drawdown chart below to compare losses from any high point for FFIDX and MOS.

Drawdown Indicators

	FFIDX	MOS	Difference
Max Drawdown Largest peak-to-trough decline	-55.35%	-94.71%	+39.36%
Max Drawdown (1Y) Largest decline over 1 year	-10.87%	-45.74%	+34.87%
Max Drawdown (3Y) Largest decline over 3 years	-22.42%	-48.87%	+26.45%
Max Drawdown (5Y) Largest decline over 5 years	-30.33%	-71.60%	+41.27%
Max Drawdown (10Y) Largest decline over 10 years	-30.66%	-80.82%	+50.16%
Current Drawdown Current decline from peak	-2.92%	-80.44%	+77.52%
Average Drawdown Average peak-to-trough decline	-11.85%	-61.23%	+49.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.61%	26.27%	-23.66%

Volatility

FFIDX vs. MOS - Volatility Comparison

The current volatility for Fidelity Fund (FFIDX) is 3.70%, while The Mosaic Company (MOS) has a volatility of 15.67%. This indicates that FFIDX experiences smaller price fluctuations and is considered to be less risky than MOS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FFIDX	MOS	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.70%	15.67%	-11.97%
Volatility (6M) Calculated over the trailing 6-month period	9.48%	35.58%	-26.10%
Volatility (1Y) Calculated over the trailing 1-year period	12.77%	44.11%	-31.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.18%	42.07%	-22.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.43%	45.02%	-25.59%

Dividends

FFIDX vs. MOS - Dividend Comparison

FFIDX's dividend yield for the trailing twelve months is around 1.16%, less than MOS's 3.88% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FFIDX Fidelity Fund	1.16%	1.18%	0.00%	2.41%	0.67%	4.60%	2.71%	5.41%	7.40%	11.12%	7.01%	5.48%
MOS The Mosaic Company	3.88%	3.65%	3.42%	2.94%	1.28%	0.70%	0.87%	0.81%	0.34%	2.34%	3.75%	3.90%

Frequently Asked Questions

Can I hold both FFIDX and MOS in my portfolio?

FFIDX and MOS have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FFIDX or MOS?

MOS has higher volatility (15.67%) compared to FFIDX (3.70%). In terms of maximum drawdown, FFIDX dropped -55.35% vs MOS's -94.71%.

Which has better risk-adjusted returns?

FFIDX currently has the higher Sharpe Ratio (1.43 vs -0.73), 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.