ARKG vs. BMEZ

Last updated Jun 4, 2026

ARKG (ARK Genomic Revolution Multi-Sector ETF) is Health & Biotech Equities fund actively managed by ARK, while BMEZ (BlackRock Health Sciences Trust II) is a stock. Over the past 5 years, ARKG returned -15.72%/yr vs -3.47%/yr for BMEZ. A 0.56 correlation means they provide meaningful diversification when combined.

Performance

ARKG vs. BMEZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ARK Genomic Revolution Multi-Sector ETF (ARKG) and BlackRock Health Sciences Trust II (BMEZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ARKG achieves a 17.09% return, which is significantly higher than BMEZ's -1.20% return.

ARKG

• 1D: -0.24%
• 1M: 10.92%
• YTD: 17.09%
• 6M: 10.02%
• 1Y: 53.35%
• 3Y*: 0.67%
• 5Y*: -15.72%
• 10Y*: 7.22%

BMEZ

• 1D: -0.56%
• 1M: 2.72%
• YTD: -1.20%
• 6M: -3.00%
• 1Y: 8.46%
• 3Y*: 7.10%
• 5Y*: -3.47%
• 10Y*: —

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

ARKG vs. BMEZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
ARKG ARK Genomic Revolution Multi-Sector ETF	17.09%	23.04%	-28.24%	16.22%	-53.90%	-33.92%	176.12%
BMEZ BlackRock Health Sciences Trust II	-1.20%	18.69%	9.54%	5.07%	-32.65%	-6.00%	48.77%

Correlation

The correlation between ARKG and BMEZ is 0.55, 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	0.55
Correlation (3Y) Calculated over the trailing 3-year period	0.58
Correlation (5Y) Calculated over the trailing 5-year period	0.60
Correlation (All Time) Calculated using the full available price history since Jan 30, 2020	0.56

The correlation between ARKG and BMEZ has been stable across timeframes, ranging from 0.55 to 0.60 - a consistent structural relationship.

Return for Risk

ARKG vs. BMEZ — Risk / Return Rank

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

ARKG

ARKG Risk / Return Rank: 35
ARKG Sharpe Ratio Rank: 35
ARKG Sortino Ratio Rank: 37
ARKG Omega Ratio Rank: 32
ARKG Calmar Ratio Rank: 38
ARKG Martin Ratio Rank: 31

BMEZ

BMEZ Risk / Return Rank: 55
BMEZ Sharpe Ratio Rank: 59
BMEZ Sortino Ratio Rank: 52
BMEZ Omega Ratio Rank: 49
BMEZ Calmar Ratio Rank: 57
BMEZ Martin Ratio Rank: 59

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.

ARKG vs. BMEZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ARK Genomic Revolution Multi-Sector ETF (ARKG) and BlackRock Health Sciences Trust II (BMEZ). 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.

	ARKG	BMEZ	Difference
Sharpe ratio: Return per unit of total volatility	1.31	0.56	+0.75
Sortino ratio: Return per unit of downside risk	1.99	0.96	+1.03
Omega ratio: Gain probability vs. loss probability	1.22	1.11	+0.12
Calmar ratio: Return relative to maximum drawdown	1.95	0.76	+1.19
Martin ratio: Return relative to average drawdown	4.67	1.87	+2.80
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ARKG vs. BMEZ - Sharpe Ratio Comparison

The current ARKG Sharpe Ratio is 1.31, which is higher than the BMEZ Sharpe Ratio of 0.56. The chart below compares the historical Sharpe Ratios of ARKG and BMEZ, 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

	ARKG	BMEZ	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.31	0.56	+0.75
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.35	-0.17	-0.17
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.18	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.13	0.16	-0.03

Drawdowns

ARKG vs. BMEZ - Drawdown Comparison

The maximum ARKG drawdown since its inception was -83.59%, which is greater than BMEZ's maximum drawdown of -46.19%. Use the drawdown chart below to compare losses from any high point for ARKG and BMEZ.

Drawdown Indicators

	ARKG	BMEZ	Difference
Max Drawdown Largest peak-to-trough decline	-83.59%	-46.19%	-37.40%
Max Drawdown (1Y) Largest decline over 1 year	-27.51%	-11.24%	-16.27%
Max Drawdown (3Y) Largest decline over 3 years	-51.96%	-18.41%	-33.55%
Max Drawdown (5Y) Largest decline over 5 years	-80.18%	-46.17%	-34.01%
Max Drawdown (10Y) Largest decline over 10 years	-83.59%	—	—
Current Drawdown Current decline from peak	-69.65%	-20.74%	-48.91%
Average Drawdown Average peak-to-trough decline	-35.87%	-24.17%	-11.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.46%	4.55%	+6.91%

Volatility

ARKG vs. BMEZ - Volatility Comparison

ARK Genomic Revolution Multi-Sector ETF (ARKG) has a higher volatility of 11.90% compared to BlackRock Health Sciences Trust II (BMEZ) at 4.99%. This indicates that ARKG's price experiences larger fluctuations and is considered to be riskier than BMEZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARKG	BMEZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.90%	4.99%	+6.91%
Volatility (6M) Calculated over the trailing 6-month period	28.77%	11.59%	+17.18%
Volatility (1Y) Calculated over the trailing 1-year period	41.12%	15.19%	+25.93%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	45.61%	19.92%	+25.69%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	41.12%	24.16%	+16.96%

Dividends

ARKG vs. BMEZ - Dividend Comparison

ARKG has not paid dividends to shareholders, while BMEZ's dividend yield for the trailing twelve months is around 10.78%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
ARKG ARK Genomic Revolution Multi-Sector ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.62%	0.85%	3.14%	0.82%	1.34%
BMEZ BlackRock Health Sciences Trust II	10.78%	12.43%	11.74%	10.80%	11.28%	6.51%	3.14%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both ARKG and BMEZ in my portfolio?

ARKG and BMEZ have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ARKG or BMEZ?

ARKG has higher volatility (11.90%) compared to BMEZ (4.99%). In terms of maximum drawdown, ARKG dropped -83.59% vs BMEZ's -46.19%.

Which has better risk-adjusted returns?

ARKG currently has the higher Sharpe Ratio (1.31 vs 0.56), 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.