ARKX vs. BRK-B

Last updated Apr 3, 2026

Compare and contrast key facts about ARK Space Exploration & Innovation ETF (ARKX) and Berkshire Hathaway Inc. (BRK-B).

ARKX is an actively managed fund by ARK. It was launched on Mar 30, 2021.

Performance

ARKX vs. BRK-B - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ARK Space Exploration & Innovation ETF (ARKX) and Berkshire Hathaway Inc. (BRK-B). The values are adjusted to include any dividend payments, if applicable.

ARKX vs. BRK-B - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
ARKX ARK Space Exploration & Innovation ETF	4.62%	48.46%	26.67%	24.37%	-34.27%	-7.14%
BRK-B Berkshire Hathaway Inc.	-5.03%	10.89%	27.09%	15.46%	3.31%	15.81%

Returns By Period

In the year-to-date period, ARKX achieves a 4.62% return, which is significantly higher than BRK-B's -5.03% return.

ARKX

• 1D: 1.37%
• 1M: -4.35%
• YTD: 4.62%
• 6M: 1.88%
• 1Y: 67.05%
• 3Y*: 29.63%
• 5Y*: 7.71%
• 10Y*: —

BRK-B

• 1D: -0.24%
• 1M: -0.83%
• YTD: -5.03%
• 6M: -3.74%
• 1Y: -11.23%
• 3Y*: 15.44%
• 5Y*: 13.08%
• 10Y*: 12.79%

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

Return for Risk

ARKX vs. BRK-B — Risk / Return Rank

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

ARKX

ARKX Risk / Return Rank: 85
ARKX Sharpe Ratio Rank: 88
ARKX Sortino Ratio Rank: 88
ARKX Omega Ratio Rank: 78
ARKX Calmar Ratio Rank: 90
ARKX Martin Ratio Rank: 79

BRK-B

BRK-B Risk / Return Rank: 15
BRK-B Sharpe Ratio Rank: 14
BRK-B Sortino Ratio Rank: 15
BRK-B Omega Ratio Rank: 14
BRK-B Calmar Ratio Rank: 15
BRK-B Martin Ratio Rank: 17

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.

ARKX vs. BRK-B - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ARK Space Exploration & Innovation ETF (ARKX) and Berkshire Hathaway Inc. (BRK-B). 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.

	ARKX	BRK-B	Difference
Sharpe ratio Return per unit of total volatility	1.94	-0.62	+2.56
Sortino ratio Return per unit of downside risk	2.57	-0.73	+3.30
Omega ratio Gain probability vs. loss probability	1.31	0.90	+0.41
Calmar ratio Return relative to maximum drawdown	3.46	-0.70	+4.16
Martin ratio Return relative to average drawdown	9.67	-1.19	+10.87
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ARKX vs. BRK-B - Sharpe Ratio Comparison

The current ARKX Sharpe Ratio is 1.94, which is higher than the BRK-B Sharpe Ratio of -0.62. The chart below compares the historical Sharpe Ratios of ARKX and BRK-B, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ARKX	BRK-B	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.94	-0.62	+2.56
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.28	0.76	-0.48
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.66	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.31	0.48	-0.17

Correlation

The correlation between ARKX and BRK-B is 0.36, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

ARKX vs. BRK-B - Dividend Comparison

Neither ARKX nor BRK-B has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

ARKX vs. BRK-B - Drawdown Comparison

The maximum ARKX drawdown since its inception was -43.61%, smaller than the maximum BRK-B drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for ARKX and BRK-B.

Drawdown Indicators

	ARKX	BRK-B	Difference
Max Drawdown Largest peak-to-trough decline	-43.61%	-53.86%	+10.25%
Max Drawdown (1Y) Largest decline over 1 year	-20.42%	-14.95%	-5.47%
Max Drawdown (5Y) Largest decline over 5 years	-43.61%	-26.58%	-17.03%
Max Drawdown (10Y) Largest decline over 10 years	—	-29.57%	—
Current Drawdown Current decline from peak	-13.79%	-11.57%	-2.22%
Average Drawdown Average peak-to-trough decline	-20.49%	-11.07%	-9.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.30%	8.75%	-1.45%

Volatility

ARKX vs. BRK-B - Volatility Comparison

ARK Space Exploration & Innovation ETF (ARKX) has a higher volatility of 11.27% compared to Berkshire Hathaway Inc. (BRK-B) at 4.12%. This indicates that ARKX's price experiences larger fluctuations and is considered to be riskier than BRK-B based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARKX	BRK-B	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.27%	4.12%	+7.15%
Volatility (6M) Calculated over the trailing 6-month period	25.62%	11.11%	+14.51%
Volatility (1Y) Calculated over the trailing 1-year period	34.75%	18.30%	+16.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.20%	17.20%	+10.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.19%	19.44%	+7.75%