MOS vs. FFIDX

Last updated Jun 13, 2026

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

Performance

MOS vs. FFIDX - Performance Comparison

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

Returns By Period

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

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%

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%

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

MOS vs. FFIDX - Yearly Performance Comparison

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

Correlation

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

Return for Risk

MOS vs. FFIDX — Risk / Return Rank

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

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

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

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.

MOS vs. FFIDX - Risk-Adjusted Trends Comparison

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

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

MOS vs. FFIDX - Sharpe Ratio Comparison

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

MOS vs. FFIDX - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

MOS vs. FFIDX - Volatility Comparison

The Mosaic Company (MOS) has a higher volatility of 15.67% compared to Fidelity Fund (FFIDX) at 3.70%. This indicates that MOS's price experiences larger fluctuations and is considered to be riskier than FFIDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

Dividends

MOS vs. FFIDX - Dividend Comparison

MOS's dividend yield for the trailing twelve months is around 3.88%, more than FFIDX's 1.16% 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 MOS and FFIDX in my portfolio?

MOS and FFIDX 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, MOS or FFIDX?

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

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.