WDNA vs. IBB

Last updated Jun 4, 2026

WDNA (WisdomTree BioRevolution Fund) and IBB (iShares Nasdaq Biotechnology ETF) are both Health & Biotech Equities funds - WDNA tracks the WisdomTree BioRevolution Index while IBB tracks the NASDAQ Biotechnology Index. Both are passively managed. Over the past 5 years, WDNA returned -5.33%/yr vs 2.10%/yr for IBB. Their correlation of 0.89 suggests significant overlap in exposure. WDNA charges 0.45%/yr vs 0.47%/yr for IBB.

Performance

WDNA vs. IBB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in WisdomTree BioRevolution Fund (WDNA) and iShares Nasdaq Biotechnology ETF (IBB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WDNA achieves a 5.85% return, which is significantly higher than IBB's -0.68% return.

WDNA

• 1D: 1.24%
• 1M: -0.73%
• YTD: 5.85%
• 6M: 8.14%
• 1Y: 45.86%
• 3Y*: 2.45%
• 5Y*: -5.33%
• 10Y*: —

IBB

• 1D: 1.97%
• 1M: -1.56%
• YTD: -0.68%
• 6M: -2.57%
• 1Y: 34.50%
• 3Y*: 9.40%
• 5Y*: 2.10%
• 10Y*: 6.23%

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

WDNA vs. IBB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
WDNA WisdomTree BioRevolution Fund	5.85%	22.68%	-14.18%	-2.07%	-26.29%	-5.27%
IBB iShares Nasdaq Biotechnology ETF	-0.68%	27.98%	-2.41%	3.76%	-13.69%	1.27%

Correlation

The correlation between WDNA and IBB is 0.83, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.83
Correlation (3Y) Calculated over the trailing 3-year period	0.86
Correlation (5Y) Calculated over the trailing 5-year period	0.89
Correlation (All Time) Calculated using the full available price history since Jun 4, 2021	0.89

The correlation between WDNA and IBB has been stable across timeframes, ranging from 0.83 to 0.89 - a consistent structural relationship.

WDNA vs. IBB - Sectors Allocation Comparison

Sectors	WDNA	IBB
Healthcare	85.0%	100.0%
Basic Materials	6.5%	-
Consumer Defensive	3.0%	-
Energy	1.1%	-
Communication Services	-	-
Consumer Cyclical	-	-
Financial Services	-	-
Industrials	-	-
Real Estate	-	-
Technology	-	-
Utilities	-	-

Return for Risk

WDNA vs. IBB — Risk / Return Rank

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

WDNA

WDNA Risk / Return Rank: 57
WDNA Sharpe Ratio Rank: 53
WDNA Sortino Ratio Rank: 55
WDNA Omega Ratio Rank: 48
WDNA Calmar Ratio Rank: 78
WDNA Martin Ratio Rank: 53

IBB

IBB Risk / Return Rank: 56
IBB Sharpe Ratio Rank: 50
IBB Sortino Ratio Rank: 50
IBB Omega Ratio Rank: 46
IBB Calmar Ratio Rank: 71
IBB Martin Ratio Rank: 62

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.

WDNA vs. IBB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WisdomTree BioRevolution Fund (WDNA) and iShares Nasdaq Biotechnology ETF (IBB). 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.

	WDNA	IBB	Difference
Sharpe ratio: Return per unit of total volatility	1.81	1.74	+0.06
Sortino ratio: Return per unit of downside risk	2.64	2.50	+0.14
Omega ratio: Gain probability vs. loss probability	1.30	1.30	0.00
Calmar ratio: Return relative to maximum drawdown	3.94	3.60	+0.34
Martin ratio: Return relative to average drawdown	8.95	11.43	-2.48
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WDNA vs. IBB - Sharpe Ratio Comparison

The current WDNA Sharpe Ratio is 1.81, which is comparable to the IBB Sharpe Ratio of 1.74. The chart below compares the historical Sharpe Ratios of WDNA and IBB, 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

	WDNA	IBB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.81	1.74	+0.06
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.21	0.10	-0.31
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.27	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.21	0.26	-0.47

Drawdowns

WDNA vs. IBB - Drawdown Comparison

The maximum WDNA drawdown since its inception was -58.87%, smaller than the maximum IBB drawdown of -62.85%. Use the drawdown chart below to compare losses from any high point for WDNA and IBB.

Drawdown Indicators

	WDNA	IBB	Difference
Max Drawdown Largest peak-to-trough decline	-58.87%	-62.85%	+3.98%
Max Drawdown (1Y) Largest decline over 1 year	-11.70%	-9.63%	-2.07%
Max Drawdown (3Y) Largest decline over 3 years	-38.25%	-24.85%	-13.40%
Max Drawdown (5Y) Largest decline over 5 years	-58.87%	-39.82%	-19.05%
Max Drawdown (10Y) Largest decline over 10 years	—	-39.82%	—
Current Drawdown Current decline from peak	-31.86%	-5.64%	-26.22%
Average Drawdown Average peak-to-trough decline	-35.65%	-21.18%	-14.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.14%	3.03%	+2.11%

Volatility

WDNA vs. IBB - Volatility Comparison

WisdomTree BioRevolution Fund (WDNA) and iShares Nasdaq Biotechnology ETF (IBB) have volatilities of 6.75% and 6.86%, 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

	WDNA	IBB	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.75%	6.86%	-0.11%
Volatility (6M) Calculated over the trailing 6-month period	16.39%	15.38%	+1.01%
Volatility (1Y) Calculated over the trailing 1-year period	25.53%	19.89%	+5.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.04%	21.99%	+3.05%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.04%	23.22%	+1.82%

WDNA vs. IBB - Expense Ratio Comparison

WDNA has a 0.45% expense ratio, which is lower than IBB's 0.47% expense ratio.

Dividends

WDNA vs. IBB - Dividend Comparison

WDNA's dividend yield for the trailing twelve months is around 4.31%, more than IBB's 0.23% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IBB iShares Nasdaq Biotechnology ETF	0.23%	0.23%	0.29%	0.26%	0.31%	0.21%	0.21%	0.33%	0.20%	0.30%	0.19%	0.03%
WDNA WisdomTree BioRevolution Fund	4.31%	4.57%	0.75%	0.80%	0.38%	0.10%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both WDNA and IBB in my portfolio?

WDNA and IBB have a correlation of 0.83, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WDNA or IBB?

IBB has higher volatility (6.86%) compared to WDNA (6.75%). In terms of maximum drawdown, WDNA dropped -58.87% vs IBB's -62.85%.

Which ETF is better, WDNA or IBB?

On 5-year performance, IBB leads with 2.10% vs -5.33% for WDNA. On fees, WDNA is cheaper at 0.45% per year. On volatility, WDNA has been the lower-risk option at 6.75%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, WDNA or IBB?

Over the 5-year period, IBB has performed better with a 2.10% return vs -5.33%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, WDNA or IBB?

WDNA is cheaper with a 0.45% expense ratio, compared with 0.47% for IBB.

Which ETF pays a higher dividend yield, WDNA or IBB?

WDNA has the higher dividend yield at 4.31%, compared with 0.23% for IBB.

What is the main difference between WDNA and IBB?

WDNA tracks WisdomTree BioRevolution Index, while IBB tracks NASDAQ Biotechnology Index. They also come from different issuers: WisdomTree and iShares. Their fees differ too: 0.45% for WDNA and 0.47% for IBB.

Which has better risk-adjusted returns?

WDNA currently has the higher Sharpe Ratio (1.81 vs 1.74), 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.