SIEMX vs. FNILX

Last updated Jun 23, 2026

SIEMX (SEI Institutional International Trust Emerging Markets Equity Fund) and FNILX (Fidelity ZERO Large Cap Index Fund) are both mutual funds - SIEMX is a Emerging Markets Diversified fund managed by SEI, while FNILX is a Large Cap Blend Equities fund managed by Fidelity. Over the past 5 years, SIEMX returned 7.79%/yr vs 13.82%/yr for FNILX. A 0.62 correlation means they provide meaningful diversification when combined. SIEMX charges 1.71%/yr vs 0.00%/yr for FNILX.

Performance

SIEMX vs. FNILX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SEI Institutional International Trust Emerging Markets Equity Fund (SIEMX) and Fidelity ZERO Large Cap Index Fund (FNILX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SIEMX achieves a 28.97% return, which is significantly higher than FNILX's 10.04% return.

SIEMX

• 1D: 2.53%
• 1M: 6.93%
• YTD: 28.97%
• 6M: 31.02%
• 1Y: 53.83%
• 3Y*: 22.14%
• 5Y*: 7.79%
• 10Y*: 10.02%

FNILX

• 1D: 1.13%
• 1M: 0.71%
• YTD: 10.04%
• 6M: 9.55%
• 1Y: 26.85%
• 3Y*: 21.23%
• 5Y*: 13.82%
• 10Y*: —

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

SIEMX vs. FNILX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
SIEMX SEI Institutional International Trust Emerging Markets Equity Fund	28.97%	35.90%	4.31%	9.81%	-21.51%	-1.85%	17.03%	19.76%	-8.55%
FNILX Fidelity ZERO Large Cap Index Fund	10.04%	17.81%	25.47%	27.45%	-19.37%	26.67%	21.13%	31.79%	-13.60%

Correlation

The correlation between SIEMX and FNILX is 0.69, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.69
Correlation (3Y) Calculated over the trailing 3-year period	0.58
Correlation (5Y) Calculated over the trailing 5-year period	0.58
Correlation (All Time) Calculated using the full available price history since Sep 28, 2018	0.62

The correlation between SIEMX and FNILX shifts across timeframes, from 0.58 (5 years) to 0.69 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

SIEMX vs. FNILX — Risk / Return Rank

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

SIEMX

SIEMX Risk / Return Rank: 87
SIEMX Sharpe Ratio Rank: 93
SIEMX Sortino Ratio Rank: 81
SIEMX Omega Ratio Rank: 86
SIEMX Calmar Ratio Rank: 89
SIEMX Martin Ratio Rank: 88

FNILX

FNILX Risk / Return Rank: 63
FNILX Sharpe Ratio Rank: 61
FNILX Sortino Ratio Rank: 55
FNILX Omega Ratio Rank: 57
FNILX Calmar Ratio Rank: 65
FNILX Martin Ratio Rank: 74

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.

SIEMX vs. FNILX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SEI Institutional International Trust Emerging Markets Equity Fund (SIEMX) and Fidelity ZERO Large Cap Index Fund (FNILX). 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.

	SIEMX	FNILX	Difference
Sharpe ratio: Return per unit of total volatility	2.89	2.12	+0.77
Sortino ratio: Return per unit of downside risk	3.54	2.86	+0.68
Omega ratio: Gain probability vs. loss probability	1.55	1.38	+0.17
Calmar ratio: Return relative to maximum drawdown	4.16	2.96	+1.20
Martin ratio: Return relative to average drawdown	15.52	13.10	+2.43

SIEMX vs. FNILX - Sharpe Ratio Comparison

The current SIEMX Sharpe Ratio is 2.89, which is higher than the FNILX Sharpe Ratio of 2.12. The chart below compares the historical Sharpe Ratios of SIEMX and FNILX, 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

SIEMX vs. FNILX - Drawdown Comparison

The maximum SIEMX drawdown since its inception was -65.22%, which is greater than FNILX's maximum drawdown of -33.76%. Use the drawdown chart below to compare losses from any high point for SIEMX and FNILX.

Drawdown Indicators

	SIEMX	FNILX	Difference
Max Drawdown Largest peak-to-trough decline	-65.22%	-33.76%	-31.46%
Max Drawdown (1Y) Largest decline over 1 year	-13.59%	-9.01%	-4.58%
Max Drawdown (3Y) Largest decline over 3 years	-16.41%	-19.08%	+2.67%
Max Drawdown (5Y) Largest decline over 5 years	-36.96%	-25.40%	-11.56%
Max Drawdown (10Y) Largest decline over 10 years	-40.76%	—	—
Current Drawdown Current decline from peak	-0.27%	-1.36%	+1.09%
Average Drawdown Average peak-to-trough decline	-21.42%	-5.35%	-16.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.58%	2.03%	+1.55%

Volatility

SIEMX vs. FNILX - Volatility Comparison

SEI Institutional International Trust Emerging Markets Equity Fund (SIEMX) has a higher volatility of 9.79% compared to Fidelity ZERO Large Cap Index Fund (FNILX) at 4.91%. This indicates that SIEMX's price experiences larger fluctuations and is considered to be riskier than FNILX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SIEMX	FNILX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.79%	4.91%	+4.88%
Volatility (6M) Calculated over the trailing 6-month period	17.22%	9.97%	+7.25%
Volatility (1Y) Calculated over the trailing 1-year period	19.59%	12.58%	+7.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.11%	17.35%	-0.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.68%	20.04%	-2.36%

SIEMX vs. FNILX - Expense Ratio Comparison

SIEMX has a 1.71% expense ratio, which is higher than FNILX's 0.00% expense ratio.

Dividends

SIEMX vs. FNILX - Dividend Comparison

SIEMX's dividend yield for the trailing twelve months is around 3.34%, more than FNILX's 0.92% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FNILX Fidelity ZERO Large Cap Index Fund	0.92%	1.01%	1.09%	1.34%	1.53%	0.95%	1.20%	1.17%	0.53%	0.00%	0.00%	0.00%
SIEMX SEI Institutional International Trust Emerging Markets Equity Fund	3.34%	4.30%	3.20%	1.58%	2.08%	9.55%	0.53%	1.09%	0.63%	1.26%	0.80%	0.81%

Frequently Asked Questions

Can I hold both SIEMX and FNILX in my portfolio?

SIEMX and FNILX have a correlation of 0.69, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SIEMX or FNILX?

SIEMX has higher volatility (9.79%) compared to FNILX (4.91%). In terms of maximum drawdown, SIEMX dropped -65.22% vs FNILX's -33.76%.

Which has better risk-adjusted returns?

SIEMX currently has the higher Sharpe Ratio (2.89 vs 2.12), 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.