WSTAX vs. WLGAX

Last updated Jun 3, 2026

WSTAX (Nomura Science and Technology Fund Class A) and WLGAX (Delaware Ivy Large Cap Growth Fund) are both mutual funds - WSTAX is a Technology Equities fund managed by Nomura, while WLGAX is a Large Cap Growth Equities fund managed by Delaware Funds. Over the past 10 years, WSTAX returned 24.62%/yr vs 16.24%/yr for WLGAX. Their correlation of 0.89 suggests significant overlap in exposure. WSTAX charges 1.17%/yr vs 0.89%/yr for WLGAX.

Performance

WSTAX vs. WLGAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nomura Science and Technology Fund Class A (WSTAX) and Delaware Ivy Large Cap Growth Fund (WLGAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WSTAX achieves a 40.35% return, which is significantly higher than WLGAX's 3.26% return. Over the past 10 years, WSTAX has outperformed WLGAX with an annualized return of 24.62%, while WLGAX has yielded a comparatively lower 16.24% annualized return.

WSTAX

• 1D: 2.25%
• 1M: 15.02%
• YTD: 40.35%
• 6M: 41.26%
• 1Y: 77.26%
• 3Y*: 51.69%
• 5Y*: 25.01%
• 10Y*: 24.62%

WLGAX

• 1D: 1.07%
• 1M: 5.76%
• YTD: 3.26%
• 6M: 3.49%
• 1Y: 13.09%
• 3Y*: 16.63%
• 5Y*: 11.21%
• 10Y*: 16.24%

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

WSTAX vs. WLGAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WSTAX Nomura Science and Technology Fund Class A	40.35%	33.91%	59.64%	40.44%	-32.50%	14.19%	36.12%	50.35%	-5.23%	32.77%
WLGAX Delaware Ivy Large Cap Growth Fund	3.26%	8.89%	25.97%	37.78%	-27.04%	29.95%	30.75%	36.52%	2.37%	29.02%

Correlation

The correlation between WSTAX and WLGAX is 0.76, 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	0.76
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (5Y) Calculated over the trailing 5-year period	0.89
Correlation (10Y) Calculated over the trailing 10-year period	0.90
Correlation (All Time) Calculated using the full available price history since Jul 3, 2000	0.89

The correlation between WSTAX and WLGAX shifts across timeframes, from 0.76 (1 year) to 0.90 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

WSTAX vs. WLGAX — Risk / Return Rank

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

WSTAX

WSTAX Risk / Return Rank: 87
WSTAX Sharpe Ratio Rank: 95
WSTAX Sortino Ratio Rank: 82
WSTAX Omega Ratio Rank: 81
WSTAX Calmar Ratio Rank: 91
WSTAX Martin Ratio Rank: 88

WLGAX

WLGAX Risk / Return Rank: 10
WLGAX Sharpe Ratio Rank: 12
WLGAX Sortino Ratio Rank: 11
WLGAX Omega Ratio Rank: 11
WLGAX Calmar Ratio Rank: 7
WLGAX Martin Ratio Rank: 7

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.

WSTAX vs. WLGAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nomura Science and Technology Fund Class A (WSTAX) and Delaware Ivy Large Cap Growth Fund (WLGAX). 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.

	WSTAX	WLGAX	Difference
Sharpe ratio Return per unit of total volatility	3.34	0.95	+2.39
Sortino ratio Return per unit of downside risk	3.88	1.34	+2.54
Omega ratio Gain probability vs. loss probability	1.53	1.17	+0.36
Calmar ratio Return relative to maximum drawdown	4.70	0.72	+3.98
Martin ratio Return relative to average drawdown	17.21	2.17	+15.05
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WSTAX vs. WLGAX - Sharpe Ratio Comparison

The current WSTAX Sharpe Ratio is 3.34, which is higher than the WLGAX Sharpe Ratio of 0.95. The chart below compares the historical Sharpe Ratios of WSTAX and WLGAX, 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

	WSTAX	WLGAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.34	0.95	+2.39
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.68	0.55	+0.13
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.80	0.79	+0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.52	0.47	+0.05

Drawdowns

WSTAX vs. WLGAX - Drawdown Comparison

The maximum WSTAX drawdown since its inception was -55.39%, which is greater than WLGAX's maximum drawdown of -49.78%. Use the drawdown chart below to compare losses from any high point for WSTAX and WLGAX.

Drawdown Indicators

	WSTAX	WLGAX	Difference
Max Drawdown Largest peak-to-trough decline	-55.39%	-49.78%	-5.61%
Max Drawdown (1Y) Largest decline over 1 year	-16.73%	-18.12%	+1.39%
Max Drawdown (3Y) Largest decline over 3 years	-27.35%	-19.31%	-8.04%
Max Drawdown (5Y) Largest decline over 5 years	-55.39%	-37.00%	-18.39%
Max Drawdown (10Y) Largest decline over 10 years	-55.39%	-37.00%	-18.39%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-14.95%	-13.13%	-1.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.56%	5.99%	-1.43%

Volatility

WSTAX vs. WLGAX - Volatility Comparison

Nomura Science and Technology Fund Class A (WSTAX) has a higher volatility of 7.17% compared to Delaware Ivy Large Cap Growth Fund (WLGAX) at 3.37%. This indicates that WSTAX's price experiences larger fluctuations and is considered to be riskier than WLGAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WSTAX	WLGAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.17%	3.37%	+3.80%
Volatility (6M) Calculated over the trailing 6-month period	18.77%	11.25%	+7.52%
Volatility (1Y) Calculated over the trailing 1-year period	23.82%	14.14%	+9.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	36.95%	20.60%	+16.35%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	30.71%	20.68%	+10.03%

WSTAX vs. WLGAX - Expense Ratio Comparison

WSTAX has a 1.17% expense ratio, which is higher than WLGAX's 0.89% expense ratio.

Dividends

WSTAX vs. WLGAX - Dividend Comparison

WSTAX's dividend yield for the trailing twelve months is around 13.05%, more than WLGAX's 8.15% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
WLGAX Delaware Ivy Large Cap Growth Fund	8.15%	8.41%	3.31%	3.07%	12.91%	9.68%	6.56%	12.84%	14.16%	4.45%	5.19%	6.43%
WSTAX Nomura Science and Technology Fund Class A	13.05%	18.32%	36.08%	11.62%	33.72%	42.99%	8.89%	11.48%	13.99%	6.95%	0.00%	2.50%

Frequently Asked Questions

Can I hold both WSTAX and WLGAX in my portfolio?

WSTAX and WLGAX have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WSTAX or WLGAX?

WSTAX has higher volatility (7.17%) compared to WLGAX (3.37%). In terms of maximum drawdown, WSTAX dropped -55.39% vs WLGAX's -49.78%.

Which has better risk-adjusted returns?

WSTAX currently has the higher Sharpe Ratio (3.34 vs 0.95), 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.