GIOTX vs. BRK-B
GIOTX (GMO International Developed Equity Allocation Fund) is Foreign Large Cap Equities fund managed by GMO, while BRK-B (Berkshire Hathaway Inc.) is a stock. Over the past 10 years, GIOTX returned 12.73%/yr vs 13.43%/yr for BRK-B. A 0.54 correlation means they provide meaningful diversification when combined.
Performance
GIOTX vs. BRK-B - Performance Comparison
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Returns By Period
In the year-to-date period, GIOTX achieves a 19.59% return, which is significantly higher than BRK-B's -1.96% return. Over the past 10 years, GIOTX has underperformed BRK-B with an annualized return of 12.73%, while BRK-B has yielded a comparatively higher 13.43% annualized return.
GIOTX
- 1D
- 0.33%
- 1M
- 2.51%
- YTD
- 19.59%
- 6M
- 18.89%
- 1Y
- 43.89%
- 3Y*
- 28.00%
- 5Y*
- 14.80%
- 10Y*
- 12.73%
BRK-B
- 1D
- 0.84%
- 1M
- 1.32%
- YTD
- -1.96%
- 6M
- -1.54%
- 1Y
- 1.03%
- 3Y*
- 13.70%
- 5Y*
- 12.33%
- 10Y*
- 13.43%
GIOTX vs. BRK-B - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GIOTX GMO International Developed Equity Allocation Fund | 19.59% | 43.70% | 10.66% | 21.03% | -12.41% | 11.14% | 7.43% | 24.45% | -19.66% | 26.38% |
BRK-B Berkshire Hathaway Inc. | -1.96% | 10.89% | 27.09% | 15.46% | 3.31% | 28.95% | 2.37% | 10.93% | 3.01% | 21.62% |
Correlation
The correlation between GIOTX and BRK-B is 0.19, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.19 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.32 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.46 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.53 |
Correlation (All Time) Calculated using the full available price history since Jan 3, 2007 | 0.54 |
Over the past year, the correlation between GIOTX and BRK-B has dropped to 0.19 - well below their long-term average of 0.54, suggesting their price drivers have been diverging.
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Return for Risk
GIOTX vs. BRK-B — Risk / Return Rank
GIOTX
BRK-B
GIOTX vs. BRK-B - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for GMO International Developed Equity Allocation Fund (GIOTX) 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.
| GIOTX | BRK-B | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.79 | ||
| Sortino ratioReturn per unit of downside risk | +3.71 | ||
| Omega ratioGain probability vs. loss probability | 1.52 | 1.02 | +0.50 |
| Calmar ratioReturn relative to maximum drawdown | 4.22 | 0.11 | +4.11 |
| Martin ratioReturn relative to average drawdown | 16.54 | 0.23 | +16.31 |
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Drawdowns
GIOTX vs. BRK-B - Drawdown Comparison
The maximum GIOTX drawdown since its inception was -56.51%, roughly equal to the maximum BRK-B drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for GIOTX and BRK-B.
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Drawdown Indicators
| GIOTX | BRK-B | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -56.51% | -53.86% | -2.65% |
Max Drawdown (1Y)Largest decline over 1 year | -10.66% | -9.42% | -1.24% |
Max Drawdown (3Y)Largest decline over 3 years | -13.40% | -14.95% | +1.55% |
Max Drawdown (5Y)Largest decline over 5 years | -28.34% | -26.58% | -1.76% |
Max Drawdown (10Y)Largest decline over 10 years | -39.29% | -29.57% | -9.72% |
Current DrawdownCurrent decline from peak | 0.00% | -8.71% | +8.71% |
Average DrawdownAverage peak-to-trough decline | -14.20% | -11.07% | -3.13% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.71% | 4.57% | -1.86% |
Volatility
GIOTX vs. BRK-B - Volatility Comparison
GMO International Developed Equity Allocation Fund (GIOTX) has a higher volatility of 5.16% compared to Berkshire Hathaway Inc. (BRK-B) at 3.75%. This indicates that GIOTX'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
| GIOTX | BRK-B | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.16% | 3.75% | +1.41% |
Volatility (6M)Calculated over the trailing 6-month period | 12.66% | 10.63% | +2.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.73% | 14.39% | +1.34% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.48% | 17.10% | -1.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.33% | 19.39% | -3.06% |
Dividends
GIOTX vs. BRK-B - Dividend Comparison
GIOTX's dividend yield for the trailing twelve months is around 6.72%, while BRK-B has not paid dividends to shareholders.
| 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% |
GIOTX GMO International Developed Equity Allocation Fund | 6.72% | 8.04% | 5.07% | 6.54% | 4.45% | 6.67% | 4.48% | 3.74% | 3.90% | 3.15% | 4.04% | 3.39% |
Frequently Asked Questions
GIOTX and BRK-B have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GIOTX has higher volatility (5.16%) compared to BRK-B (3.75%). In terms of maximum drawdown, GIOTX dropped -56.51% vs BRK-B's -53.86%.
GIOTX currently has the higher Sharpe Ratio (2.86 vs 0.07), 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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