ARKK vs. BRK-B
ARKK (ARK Innovation ETF) is Technology Equities fund actively managed by ARK, while BRK-B (Berkshire Hathaway Inc.) is a stock. Over the past 10 years, ARKK returned 14.31%/yr vs 13.57%/yr for BRK-B. Their 0.29 correlation means their historical movements had little consistent relationship.
Performance
ARKK vs. BRK-B - Performance Comparison
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Returns By Period
In the year-to-date period, ARKK achieves a -7.38% return, which is significantly lower than BRK-B's 1.77% return. Over the past 10 years, ARKK has outperformed BRK-B with an annualized return of 14.31%, while BRK-B has yielded a comparatively lower 13.57% annualized return.
ARKK
- 1D
- -2.28%
- 1M
- -12.96%
- 6M
- -4.85%
- YTD
- -7.38%
- 1Y
- -5.43%
- 3Y*
- 13.25%
- 5Y*
- -9.65%
- 10Y*
- 14.31%
- ALL TIME*
- 12.17%
BRK-B
- 1D
- 0.36%
- 1M
- 2.36%
- 6M
- 6.45%
- YTD
- 1.77%
- 1Y
- 8.40%
- 3Y*
- 13.24%
- 5Y*
- 12.95%
- 10Y*
- 13.57%
- ALL TIME*
- 10.71%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $356.24M | $389.65M | $523.48M | |
| $2.04B | $2.04B | $2.42B |
ARKK vs. BRK-B - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ARKK ARK Innovation ETF | -7.38% | 35.49% | 8.40% | 69.04% | -66.97% | -23.60% | 152.71% | 35.08% | 3.52% | 87.33% |
BRK-B Berkshire Hathaway Inc. | 1.77% | 10.89% | 27.09% | 15.46% | 3.31% | 28.95% | 2.37% | 10.93% | 3.01% | 21.62% |
Correlation
The correlation between ARKK and BRK-B is -0.08, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.08 |
Correlation (3Y) Balances recent behavior with more history. | 0.16 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.26 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.28 |
Correlation (All Time) Calculated using the full available price history since Oct 31, 2014 | 0.29 |
The correlation between ARKK and BRK-B shifts across timeframes, from -0.08 (1 year) to 0.29 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
ARKK vs. BRK-B — Risk / Return Rank
ARKK
BRK-B
ARKK vs. BRK-B - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ARK Innovation ETF (ARKK) 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.
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.
| ARKK | BRK-B | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.72 | ||
| Sortino ratioReturn per unit of downside risk | -0.84 | ||
| Omega ratioGain probability vs. loss probability | 1.01 | 1.11 | -0.11 |
| Calmar ratioReturn relative to maximum drawdown | -0.17 | 0.90 | -1.07 |
| Martin ratioReturn relative to average drawdown | -0.35 | 1.88 | -2.23 |
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Drawdowns
ARKK vs. BRK-B - Drawdown Comparison
The maximum ARKK drawdown since its inception was -80.97%, which is greater than BRK-B's maximum drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for ARKK and BRK-B.
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Drawdown Indicators
| ARKK | BRK-B | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -80.97% | -53.86% | -27.11% |
Max Drawdown (1Y)Largest decline over 1 year | -31.35% | -9.42% | -21.93% |
Max Drawdown (3Y)Largest decline over 3 years | -39.56% | -14.95% | -24.61% |
Max Drawdown (5Y)Largest decline over 5 years | -76.27% | -26.58% | -49.69% |
Max Drawdown (10Y)Largest decline over 10 years | -80.97% | -29.57% | -51.40% |
Current DrawdownCurrent decline from peak | -53.87% | -5.24% | -48.63% |
Average DrawdownAverage peak-to-trough decline | -30.38% | -11.06% | -19.32% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 15.57% | 4.49% | +11.08% |
Volatility
ARKK vs. BRK-B - Volatility Comparison
ARK Innovation ETF (ARKK) has a higher volatility of 10.19% compared to Berkshire Hathaway Inc. (BRK-B) at 4.59%. This indicates that ARKK'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.
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Volatility by Period
| ARKK | BRK-B | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.19% | 4.59% | +5.60% |
Volatility (6M)Calculated over the trailing 6-month period | 27.72% | 11.13% | +16.59% |
Volatility (1Y)Calculated over the trailing 1-year period | 36.83% | 14.79% | +22.04% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 46.55% | 17.12% | +29.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 40.48% | 19.42% | +21.06% |
Dividends
ARKK vs. BRK-B - Dividend Comparison
Neither ARKK nor BRK-B has paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ARKK ARK Innovation ETF | 0.00% | 0.00% | 0.00% | 0.70% | 0.00% | 0.55% | 1.64% | 0.38% | 3.14% | 1.32% | 0.00% | 2.27% |
BRK-B 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
ARKK and BRK-B have a correlation of -0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ARKK has higher volatility (10.19%) compared to BRK-B (4.59%). In terms of maximum drawdown, ARKK dropped -80.97% vs BRK-B's -53.86%.
BRK-B currently has the higher Sharpe Ratio (0.57 vs -0.15), 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.
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