SUSA vs. FXAIX

Last updated Jun 5, 2026

SUSA (iShares MSCI USA ESG Select ETF) and FXAIX (Fidelity 500 Index Fund) are both funds - SUSA is a Large Cap Growth Equities fund tracking the MSCI USA ESG Select Index, while FXAIX is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, SUSA returned 15.03%/yr vs 15.58%/yr for FXAIX. With a 0.96 correlation, they move nearly in lockstep. SUSA charges 0.25%/yr vs 0.02%/yr for FXAIX.

Performance

SUSA vs. FXAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares MSCI USA ESG Select ETF (SUSA) and Fidelity 500 Index Fund (FXAIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SUSA achieves a 11.51% return, which is significantly higher than FXAIX's 10.89% return. Both investments have delivered pretty close results over the past 10 years, with SUSA having a 15.03% annualized return and FXAIX not far ahead at 15.58%.

SUSA

• 1D: 0.36%
• 1M: 5.24%
• YTD: 11.51%
• 6M: 11.01%
• 1Y: 26.81%
• 3Y*: 21.19%
• 5Y*: 11.94%
• 10Y*: 15.03%

FXAIX

• 1D: -0.73%
• 1M: 4.17%
• YTD: 10.89%
• 6M: 10.80%
• 1Y: 28.02%
• 3Y*: 22.45%
• 5Y*: 13.91%
• 10Y*: 15.58%

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

SUSA vs. FXAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SUSA iShares MSCI USA ESG Select ETF	11.51%	15.72%	22.43%	23.88%	-21.38%	30.45%	24.66%	32.10%	-5.67%	22.52%
FXAIX Fidelity 500 Index Fund	10.89%	17.84%	25.01%	26.29%	-18.14%	28.71%	18.42%	31.48%	-4.43%	21.82%

Correlation

The correlation between SUSA and FXAIX is 0.97 - 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	0.97
Correlation (3Y) Calculated over the trailing 3-year period	0.97
Correlation (5Y) Calculated over the trailing 5-year period	0.98
Correlation (10Y) Calculated over the trailing 10-year period	0.97
Correlation (All Time) Calculated using the full available price history since May 5, 2011	0.96

The correlation between SUSA and FXAIX has been stable across timeframes, ranging from 0.96 to 0.98 - a consistent structural relationship.

Return for Risk

SUSA vs. FXAIX — Risk / Return Rank

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

SUSA

SUSA Risk / Return Rank: 65
SUSA Sharpe Ratio Rank: 67
SUSA Sortino Ratio Rank: 66
SUSA Omega Ratio Rank: 66
SUSA Calmar Ratio Rank: 57
SUSA Martin Ratio Rank: 67

FXAIX

FXAIX Risk / Return Rank: 66
FXAIX Sharpe Ratio Rank: 64
FXAIX Sortino Ratio Rank: 59
FXAIX Omega Ratio Rank: 60
FXAIX Calmar Ratio Rank: 67
FXAIX Martin Ratio Rank: 79

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.

SUSA vs. FXAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MSCI USA ESG Select ETF (SUSA) and Fidelity 500 Index Fund (FXAIX). 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.

	SUSA	FXAIX	Difference
Sharpe ratio: Return per unit of total volatility	2.18	2.37	-0.19
Sortino ratio: Return per unit of downside risk	3.00	3.24	-0.24
Omega ratio: Gain probability vs. loss probability	1.39	1.43	-0.04
Calmar ratio: Return relative to maximum drawdown	2.77	3.17	-0.39
Martin ratio: Return relative to average drawdown	12.27	14.80	-2.53
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SUSA vs. FXAIX - Sharpe Ratio Comparison

The current SUSA Sharpe Ratio is 2.18, which is comparable to the FXAIX Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of SUSA and FXAIX, 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

	SUSA	FXAIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.18	2.37	-0.19
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.69	0.83	-0.13
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.83	0.87	-0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	0.82	-0.24

Drawdowns

SUSA vs. FXAIX - Drawdown Comparison

The maximum SUSA drawdown since its inception was -53.93%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for SUSA and FXAIX.

Drawdown Indicators

	SUSA	FXAIX	Difference
Max Drawdown Largest peak-to-trough decline	-53.93%	-33.79%	-20.14%
Max Drawdown (1Y) Largest decline over 1 year	-9.71%	-8.89%	-0.82%
Max Drawdown (3Y) Largest decline over 3 years	-19.30%	-18.76%	-0.54%
Max Drawdown (5Y) Largest decline over 5 years	-28.23%	-24.50%	-3.73%
Max Drawdown (10Y) Largest decline over 10 years	-32.93%	-33.79%	+0.86%
Current Drawdown Current decline from peak	-0.52%	-0.73%	+0.21%
Average Drawdown Average peak-to-trough decline	-7.24%	-3.79%	-3.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.19%	1.90%	+0.29%

Volatility

SUSA vs. FXAIX - Volatility Comparison

iShares MSCI USA ESG Select ETF (SUSA) has a higher volatility of 3.17% compared to Fidelity 500 Index Fund (FXAIX) at 2.92%. This indicates that SUSA's price experiences larger fluctuations and is considered to be riskier than FXAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SUSA	FXAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.17%	2.92%	+0.25%
Volatility (6M) Calculated over the trailing 6-month period	9.58%	8.99%	+0.59%
Volatility (1Y) Calculated over the trailing 1-year period	12.36%	11.88%	+0.48%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.33%	16.91%	+0.42%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.15%	18.07%	+0.08%

SUSA vs. FXAIX - Expense Ratio Comparison

SUSA has a 0.25% expense ratio, which is higher than FXAIX's 0.02% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

SUSA vs. FXAIX - Dividend Comparison

SUSA's dividend yield for the trailing twelve months is around 0.82%, less than FXAIX's 1.03% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FXAIX Fidelity 500 Index Fund	1.03%	1.11%	1.25%	1.45%	1.69%	1.22%	1.60%	2.06%	2.72%	1.97%	2.52%	2.83%
SUSA iShares MSCI USA ESG Select ETF	0.82%	0.89%	1.15%	1.32%	1.52%	0.98%	1.17%	1.52%	1.72%	1.40%	1.56%	1.42%

Frequently Asked Questions

Can I hold both SUSA and FXAIX in my portfolio?

With a correlation of 0.97, SUSA and FXAIX 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, SUSA or FXAIX?

SUSA has higher volatility (3.17%) compared to FXAIX (2.92%). In terms of maximum drawdown, SUSA dropped -53.93% vs FXAIX's -33.79%.

Which has better risk-adjusted returns?

FXAIX currently has the higher Sharpe Ratio (2.37 vs 2.18), 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.