BRK-B vs. IEF
BRK-B (Berkshire Hathaway Inc.) is a stock, while IEF (iShares 7-10 Year Treasury Bond ETF) is Government Bonds fund tracking the ICE U.S. Treasury 7-10 Year Bond Index. Over the past 10 years, BRK-B returned 13.14%/yr vs 0.53%/yr for IEF. At a correlation of -0.21, they often move in opposite directions.
Performance
BRK-B vs. IEF - Performance Comparison
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Returns By Period
In the year-to-date period, BRK-B achieves a -3.11% return, which is significantly lower than IEF's -1.16% return. Over the past 10 years, BRK-B has outperformed IEF with an annualized return of 13.14%, while IEF has yielded a comparatively lower 0.53% annualized return.
BRK-B
- 1D
- -0.23%
- 1M
- 2.32%
- YTD
- -3.11%
- 6M
- -2.06%
- 1Y
- -1.32%
- 3Y*
- 13.25%
- 5Y*
- 11.03%
- 10Y*
- 13.14%
IEF
- 1D
- -0.11%
- 1M
- -1.19%
- YTD
- -1.16%
- 6M
- -0.96%
- 1Y
- 3.91%
- 3Y*
- 2.43%
- 5Y*
- -1.34%
- 10Y*
- 0.53%
BRK-B vs. IEF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BRK-B Berkshire Hathaway Inc. | -3.11% | 10.89% | 27.09% | 15.46% | 3.31% | 28.95% | 2.37% | 10.93% | 3.01% | 21.62% |
IEF iShares 7-10 Year Treasury Bond ETF | -1.16% | 8.03% | -0.63% | 3.64% | -15.15% | -3.33% | 10.01% | 8.03% | 0.99% | 2.55% |
Correlation
The correlation between BRK-B and IEF is 0.07, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.07 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.07 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.00 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.17 |
Correlation (All Time) Calculated using the full available price history since Jul 29, 2002 | -0.21 |
The correlation between BRK-B and IEF shifts across timeframes, from -0.21 (all time) to 0.07 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
BRK-B vs. IEF — Risk / Return Rank
BRK-B
IEF
BRK-B vs. IEF - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Berkshire Hathaway Inc. (BRK-B) and iShares 7-10 Year Treasury Bond ETF (IEF). 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.
| BRK-B | IEF | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.93 | ||
| Sortino ratioReturn per unit of downside risk | -1.29 | ||
| Omega ratioGain probability vs. loss probability | 1.00 | 1.14 | -0.15 |
| Calmar ratioReturn relative to maximum drawdown | -0.14 | 0.96 | -1.10 |
| Martin ratioReturn relative to average drawdown | -0.30 | 2.79 | -3.08 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| BRK-B | IEF | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.09 | 0.84 | -0.93 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.65 | -0.17 | +0.82 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.68 | 0.08 | +0.60 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.48 | 0.50 | -0.01 |
Drawdowns
BRK-B vs. IEF - Drawdown Comparison
The maximum BRK-B drawdown since its inception was -53.86%, which is greater than IEF's maximum drawdown of -23.93%. Use the drawdown chart below to compare losses from any high point for BRK-B and IEF.
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Drawdown Indicators
| BRK-B | IEF | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.86% | -23.93% | -29.93% |
Max Drawdown (1Y)Largest decline over 1 year | -9.42% | -4.07% | -5.35% |
Max Drawdown (3Y)Largest decline over 3 years | -14.95% | -7.74% | -7.21% |
Max Drawdown (5Y)Largest decline over 5 years | -26.58% | -21.40% | -5.18% |
Max Drawdown (10Y)Largest decline over 10 years | -29.57% | -23.93% | -5.64% |
Current DrawdownCurrent decline from peak | -9.78% | -11.80% | +2.02% |
Average DrawdownAverage peak-to-trough decline | -11.07% | -5.35% | -5.72% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.49% | 1.40% | +3.09% |
Volatility
BRK-B vs. IEF - Volatility Comparison
Berkshire Hathaway Inc. (BRK-B) has a higher volatility of 3.98% compared to iShares 7-10 Year Treasury Bond ETF (IEF) at 1.51%. This indicates that BRK-B's price experiences larger fluctuations and is considered to be riskier than IEF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BRK-B | IEF | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.98% | 1.51% | +2.47% |
Volatility (6M)Calculated over the trailing 6-month period | 10.87% | 3.36% | +7.51% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.38% | 4.69% | +9.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.13% | 7.71% | +9.42% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.44% | 6.63% | +12.81% |
Dividends
BRK-B vs. IEF - Dividend Comparison
BRK-B has not paid dividends to shareholders, while IEF's dividend yield for the trailing twelve months is around 3.92%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
IEF iShares 7-10 Year Treasury Bond ETF | 3.92% | 3.77% | 3.62% | 2.91% | 1.96% | 0.83% | 1.08% | 2.08% | 2.24% | 1.82% | 1.81% | 1.90% |
Frequently Asked Questions
BRK-B and IEF have a correlation of 0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BRK-B has higher volatility (3.98%) compared to IEF (1.51%). In terms of maximum drawdown, BRK-B dropped -53.86% vs IEF's -23.93%.
IEF currently has the higher Sharpe Ratio (0.84 vs -0.09), 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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