BRYN.DE vs. ARKQ

Last updated Jun 13, 2026

BRYN.DE (Berkshire Hathaway Inc) is a stock, while ARKQ (ARK Autonomous Technology & Robotics ETF) is Robotics fund actively managed by ARK. Over the past 10 years, BRYN.DE returned 12.90%/yr vs 21.34%/yr for ARKQ. At a 0.26 correlation, their price movements are largely independent.

Performance

BRYN.DE vs. ARKQ - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in Berkshire Hathaway Inc (BRYN.DE) and ARK Autonomous Technology & Robotics ETF (ARKQ). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

BRYN.DE is traded in EUR, while ARKQ is traded in USD. To make them comparable, the ARKQ values have been converted to EUR using the latest available exchange rates.

Returns By Period

In the year-to-date period, BRYN.DE achieves a -0.87% return, which is significantly lower than ARKQ's 14.60% return. Over the past 10 years, BRYN.DE has underperformed ARKQ with an annualized return of 12.90%, while ARKQ has yielded a comparatively higher 21.34% annualized return.

BRYN.DE

• 1D: 0.86%
• 1M: 2.29%
• YTD: -0.87%
• 6M: -0.48%
• 1Y: 0.19%
• 3Y*: 10.70%
• 5Y*: 12.22%
• 10Y*: 12.90%

ARKQ

• 1D: -0.56%
• 1M: -4.07%
• YTD: 14.60%
• 6M: 14.93%
• 1Y: 55.50%
• 3Y*: 29.52%
• 5Y*: 10.90%
• 10Y*: 21.34%

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

BRYN.DE vs. ARKQ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BRYN.DE Berkshire Hathaway Inc	-0.87%	-2.32%	34.74%	12.14%	8.56%	41.95%	-7.63%	15.43%	5.10%	8.44%
ARKQ ARK Autonomous Technology & Robotics ETF	14.60%	31.15%	42.72%	36.48%	-43.45%	9.36%	90.12%	28.79%	-3.56%	33.55%

Correlation

The correlation between BRYN.DE and ARKQ is -0.15, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.15
Correlation (3Y) Calculated over the trailing 3-year period	-0.01
Correlation (5Y) Calculated over the trailing 5-year period	0.09
Correlation (10Y) Calculated over the trailing 10-year period	0.20
Correlation (All Time) Calculated using the full available price history since Sep 30, 2014	0.26

The correlation between BRYN.DE and ARKQ shifts across timeframes, from -0.15 (1 year) to 0.26 (all time), reflecting how their relationship changes across market environments.

Return for Risk

BRYN.DE vs. ARKQ — Risk / Return Rank

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

BRYN.DE

BRYN.DE Risk / Return Rank: 40
BRYN.DE Sharpe Ratio Rank: 43
BRYN.DE Sortino Ratio Rank: 35
BRYN.DE Omega Ratio Rank: 34
BRYN.DE Calmar Ratio Rank: 43
BRYN.DE Martin Ratio Rank: 43

ARKQ

ARKQ Risk / Return Rank: 54
ARKQ Sharpe Ratio Rank: 56
ARKQ Sortino Ratio Rank: 50
ARKQ Omega Ratio Rank: 48
ARKQ Calmar Ratio Rank: 62
ARKQ Martin Ratio Rank: 53

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.

BRYN.DE vs. ARKQ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Berkshire Hathaway Inc (BRYN.DE) and ARK Autonomous Technology & Robotics ETF (ARKQ). 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.

	BRYN.DE	ARKQ	Difference
Sharpe ratio: Return per unit of total volatility	0.01	1.70	-1.69
Sortino ratio: Return per unit of downside risk	0.13	2.20	-2.07
Omega ratio: Gain probability vs. loss probability	1.01	1.28	-0.26
Calmar ratio: Return relative to maximum drawdown	0.02	2.84	-2.82
Martin ratio: Return relative to average drawdown	0.04	7.68	-7.64

BRYN.DE vs. ARKQ - Sharpe Ratio Comparison

The current BRYN.DE Sharpe Ratio is 0.01, which is lower than the ARKQ Sharpe Ratio of 1.70. The chart below compares the historical Sharpe Ratios of BRYN.DE and ARKQ, 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

BRYN.DE vs. ARKQ - Drawdown Comparison

The maximum BRYN.DE drawdown since its inception was -98.01%, which is greater than ARKQ's maximum drawdown of -54.27%. Use the drawdown chart below to compare losses from any high point for BRYN.DE and ARKQ.

Drawdown Indicators

	BRYN.DE	ARKQ	Difference
Max Drawdown Largest peak-to-trough decline	-98.01%	-54.27%	-43.74%
Max Drawdown (1Y) Largest decline over 1 year	-10.57%	-19.63%	+9.06%
Max Drawdown (3Y) Largest decline over 3 years	-19.97%	-34.19%	+14.22%
Max Drawdown (5Y) Largest decline over 5 years	-22.34%	-52.01%	+29.67%
Max Drawdown (10Y) Largest decline over 10 years	-28.72%	-54.27%	+25.55%
Current Drawdown Current decline from peak	-82.31%	-9.38%	-72.93%
Average Drawdown Average peak-to-trough decline	-83.07%	-15.06%	-68.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.16%	7.25%	-2.09%

Volatility

BRYN.DE vs. ARKQ - Volatility Comparison

The current volatility for Berkshire Hathaway Inc (BRYN.DE) is 5.11%, while ARK Autonomous Technology & Robotics ETF (ARKQ) has a volatility of 11.77%. This indicates that BRYN.DE experiences smaller price fluctuations and is considered to be less risky than ARKQ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BRYN.DE	ARKQ	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.11%	11.77%	-6.66%
Volatility (6M) Calculated over the trailing 6-month period	11.10%	24.81%	-13.71%
Volatility (1Y) Calculated over the trailing 1-year period	15.27%	32.84%	-17.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.29%	31.58%	-14.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.71%	29.73%	-11.02%

Dividends

BRYN.DE vs. ARKQ - Dividend Comparison

BRYN.DE has not paid dividends to shareholders, while ARKQ's dividend yield for the trailing twelve months is around 0.24%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARKQ ARK Autonomous Technology & Robotics ETF	0.24%	0.27%	0.00%	0.00%	0.00%	0.80%	0.86%	0.00%	2.86%	1.54%	0.00%	0.98%
BRYN.DE Berkshire Hathaway Inc	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both BRYN.DE and ARKQ in my portfolio?

BRYN.DE and ARKQ have a correlation of -0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.