Seasonality
BRK-B seasonality — Berkshire Hathaway
Over the last 11 years, BRK-B's strongest month on average has been November (+5.7%) and its weakest September (-1.3%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| Jan | +1.90% | +0.78% | 70% | +8.2% | -4.4% | 10 |
| Feb | +1.86% | +3.56% | 60% | +9.6% | -8.1% | 10 |
| Mar | +0.04% | +0.49% | 50% | +9.8% | -11.4% | 10 |
| Apr | +0.54% | -0.38% | 50% | +7.9% | -8.5% | 10 |
| May | -1.09% | -1.04% | 40% | +5.3% | -8.9% | 10 |
| Jun | -0.73% | -2.19% | 40% | +8.0% | -13.6% | 10 |
| Jul | +3.60% | +3.26% | 80% | +10.1% | -3.6% | 10 |
| Aug | +3.15% | +3.11% | 70% | +11.4% | -6.6% | 10 |
| Sep | -1.30% | -1.77% | 30% | +2.6% | -4.9% | 10 |
| Oct | +0.99% | -0.03% | 50% | +10.5% | -5.2% | 10 |
| Nov | +5.68% | +6.31% | 89% | +13.4% | -3.6% | 9 |
| Dec | -0.04% | +0.18% | 50% | +8.1% | -6.4% | 10 |
Monthly returns heat map — BRK-B
price return, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -4.4 | 5.1 | -5.1 | -1.2 | 0.2 | 5.5 | 2.2 | -1.5 | -1.2 | 8.9 | 5.2 | +13.6% | |
| 2025 | 3.4 | 9.6 | 3.6 | 0.1 | -5.5 | -3.6 | -2.9 | 6.6 | -0.1 | -5.0 | 7.6 | -2.2 | +10.9% |
| 2024 | 7.6 | 6.7 | 2.7 | -5.7 | 4.5 | -1.8 | 7.8 | 8.5 | -3.3 | -2.0 | 7.1 | -6.2 | +27.1% |
| 2023 | 0.8 | -2.0 | 1.2 | 6.4 | -2.3 | 6.2 | 3.2 | 2.3 | -2.8 | -2.6 | 5.5 | -0.9 | +15.5% |
| 2022 | 4.7 | 2.7 | 9.8 | -8.5 | -2.1 | -13.6 | 10.1 | -6.6 | -4.9 | 10.5 | 8.0 | -3.0 | +3.3% |
| 2021 | -1.7 | 5.5 | 6.2 | 7.6 | 5.3 | -4.0 | 0.1 | 2.7 | -4.5 | 5.2 | -3.6 | 8.1 | +28.9% |
| 2020 | -0.9 | -8.1 | -11.4 | 2.5 | -0.9 | -3.8 | 9.7 | 11.4 | -2.3 | -5.2 | 13.4 | 1.3 | +2.4% |
| 2019 | 0.7 | -2.1 | -0.2 | 7.9 | -8.9 | 8.0 | -3.6 | -1.0 | 2.3 | 2.2 | 3.6 | 2.8 | +10.9% |
| 2018 | 8.2 | -3.4 | -3.7 | -2.9 | -1.1 | -2.5 | 6.0 | 5.5 | 2.6 | -4.1 | 6.3 | -6.4 | +3.0% |
| 2017 | 0.7 | 4.4 | -2.8 | -0.9 | 0.0 | 2.5 | 3.3 | 3.5 | 1.2 | 2.0 | 3.2 | 2.7 | +21.6% |
| 2016 | 3.5 |