IEOSX vs. IIMOX

Last updated Jun 24, 2026

IEOSX (Voya Large Cap Growth Portfolio) and IIMOX (Voya MidCap Opportunities Portfolio) are both mutual funds - IEOSX is a Large Cap Growth Equities fund managed by Voya, while IIMOX is a Mid Cap Growth Equities fund managed by Voya. Over the past 10 years, IEOSX returned 16.10%/yr vs 12.22%/yr for IIMOX. Their correlation of 0.90 suggests significant overlap in exposure. IEOSX charges 0.92%/yr vs 0.66%/yr for IIMOX.

Performance

IEOSX vs. IIMOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Large Cap Growth Portfolio (IEOSX) and Voya MidCap Opportunities Portfolio (IIMOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IEOSX achieves a 7.45% return, which is significantly lower than IIMOX's 9.16% return. Over the past 10 years, IEOSX has outperformed IIMOX with an annualized return of 16.10%, while IIMOX has yielded a comparatively lower 12.22% annualized return.

IEOSX

• 1D: -0.70%
• 1M: 0.16%
• YTD: 7.45%
• 6M: 6.09%
• 1Y: 22.26%
• 3Y*: 22.86%
• 5Y*: 11.60%
• 10Y*: 16.10%

IIMOX

• 1D: 0.33%
• 1M: 6.11%
• YTD: 9.16%
• 6M: 7.04%
• 1Y: 9.63%
• 3Y*: 13.20%
• 5Y*: 5.28%
• 10Y*: 12.22%

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

IEOSX vs. IIMOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IEOSX Voya Large Cap Growth Portfolio	7.45%	15.13%	34.53%	37.38%	-30.74%	19.20%	30.20%	32.51%	-2.11%	29.48%
IIMOX Voya MidCap Opportunities Portfolio	9.16%	3.84%	15.91%	23.54%	-22.65%	12.05%	41.21%	29.45%	-7.44%	25.08%

Correlation

The correlation between IEOSX and IIMOX is 0.77, 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	0.77
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.85
Correlation (10Y) Calculated over the trailing 10-year period	0.87
Correlation (All Time) Calculated using the full available price history since Apr 30, 2004	0.90

The correlation between IEOSX and IIMOX shifts across timeframes, from 0.77 (1 year) to 0.90 (all time), reflecting how their relationship changes across market environments.

Return for Risk

IEOSX vs. IIMOX — Risk / Return Rank

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

IEOSX

IEOSX Risk / Return Rank: 20
IEOSX Sharpe Ratio Rank: 19
IEOSX Sortino Ratio Rank: 20
IEOSX Omega Ratio Rank: 25
IEOSX Calmar Ratio Rank: 19
IEOSX Martin Ratio Rank: 18

IIMOX

IIMOX Risk / Return Rank: 8
IIMOX Sharpe Ratio Rank: 8
IIMOX Sortino Ratio Rank: 8
IIMOX Omega Ratio Rank: 8
IIMOX Calmar Ratio Rank: 8
IIMOX Martin Ratio Rank: 8

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.

IEOSX vs. IIMOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Large Cap Growth Portfolio (IEOSX) and Voya MidCap Opportunities Portfolio (IIMOX). 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.

	IEOSX	IIMOX	Difference
Sharpe ratio: Return per unit of total volatility	1.16	0.61	+0.55
Sortino ratio: Return per unit of downside risk	1.72	0.99	+0.73
Omega ratio: Gain probability vs. loss probability	1.24	1.12	+0.13
Calmar ratio: Return relative to maximum drawdown	1.48	0.68	+0.80
Martin ratio: Return relative to average drawdown	4.38	2.03	+2.35

IEOSX vs. IIMOX - Sharpe Ratio Comparison

The current IEOSX Sharpe Ratio is 1.16, which is higher than the IIMOX Sharpe Ratio of 0.61. The chart below compares the historical Sharpe Ratios of IEOSX and IIMOX, 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

IEOSX vs. IIMOX - Drawdown Comparison

The maximum IEOSX drawdown since its inception was -44.03%, smaller than the maximum IIMOX drawdown of -49.62%. Use the drawdown chart below to compare losses from any high point for IEOSX and IIMOX.

Drawdown Indicators

	IEOSX	IIMOX	Difference
Max Drawdown Largest peak-to-trough decline	-44.03%	-49.62%	+5.59%
Max Drawdown (1Y) Largest decline over 1 year	-17.29%	-17.25%	-0.04%
Max Drawdown (3Y) Largest decline over 3 years	-25.33%	-26.24%	+0.91%
Max Drawdown (5Y) Largest decline over 5 years	-34.91%	-38.63%	+3.72%
Max Drawdown (10Y) Largest decline over 10 years	-34.91%	-38.63%	+3.72%
Current Drawdown Current decline from peak	-7.33%	0.00%	-7.33%
Average Drawdown Average peak-to-trough decline	-6.54%	-10.27%	+3.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.57%	5.54%	+0.03%

Volatility

IEOSX vs. IIMOX - Volatility Comparison

Voya Large Cap Growth Portfolio (IEOSX) and Voya MidCap Opportunities Portfolio (IIMOX) have volatilities of 7.02% and 6.83%, 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

	IEOSX	IIMOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.02%	6.83%	+0.19%
Volatility (6M) Calculated over the trailing 6-month period	18.81%	15.24%	+3.57%
Volatility (1Y) Calculated over the trailing 1-year period	22.13%	19.23%	+2.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.39%	23.36%	+0.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.94%	22.15%	-0.21%

IEOSX vs. IIMOX - Expense Ratio Comparison

IEOSX has a 0.92% expense ratio, which is higher than IIMOX's 0.66% expense ratio.

Dividends

IEOSX vs. IIMOX - Dividend Comparison

IEOSX's dividend yield for the trailing twelve months is around 11.33%, more than IIMOX's 9.62% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IEOSX Voya Large Cap Growth Portfolio	11.33%	12.18%	0.00%	0.00%	64.49%	21.60%	11.24%	17.89%	16.66%	7.29%	15.02%	11.09%
IIMOX Voya MidCap Opportunities Portfolio	9.62%	10.50%	0.00%	0.00%	216.56%	14.45%	4.43%	12.33%	12.00%	5.41%	11.65%	17.54%

Frequently Asked Questions

Can I hold both IEOSX and IIMOX in my portfolio?

IEOSX and IIMOX have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IEOSX or IIMOX?

IEOSX has higher volatility (7.02%) compared to IIMOX (6.83%). In terms of maximum drawdown, IEOSX dropped -44.03% vs IIMOX's -49.62%.

Which has better risk-adjusted returns?

IEOSX currently has the higher Sharpe Ratio (1.16 vs 0.61), 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.