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Stock Seasonality for Berkshire Hathaway (BRK-B)

Berkshire Hathaway (BRK-B) historical monthly and quarterly returns. Dividend-adjusted performance data.

Berkshire Hathaway (BRK-B) seasonality heatmap

Returns across monthly, quarterly, and yearly periods. Cell color encodes signed magnitude; the scale auto-fits each table.

2026

Jan-4.4%
Feb+5.1%
Mar-5.1%
Apr-1.2%
May+0.2%
Jun+3.1%
Jul
Aug
Sep
Oct
Nov
Dec

2025

Jan+3.4%
Feb+9.6%
Mar+3.6%
Apr+0.1%
May-5.5%
Jun-3.6%
Jul-2.9%
Aug+6.6%
Sep-0.0%
Oct-5.0%
Nov+7.6%
Dec-2.2%

2024

Jan+7.6%
Feb+6.7%
Mar+2.7%
Apr-5.7%
May+4.5%
Jun-1.8%
Jul+7.8%
Aug+8.5%
Sep-3.3%
Oct-2.0%
Nov+7.1%
Dec-6.2%

2023

Jan+0.8%
Feb-2.0%
Mar+1.2%
Apr+6.4%
May-2.3%
Jun+6.2%
Jul+3.2%
Aug+2.3%
Sep-2.7%
Oct-2.6%
Nov+5.5%
Dec-0.9%

2022

Jan+4.7%
Feb+2.7%
Mar+9.8%
Apr-8.5%
May-2.1%
Jun-13.6%
Jul+10.1%
Aug-6.6%
Sep-4.9%
Oct+10.5%
Nov+8.0%
Dec-3.0%

2021

Jan-1.7%
Feb+5.5%
Mar+6.2%
Apr+7.6%
May+5.3%
Jun-4.0%
Jul+0.1%
Aug+2.7%
Sep-4.5%
Oct+5.2%
Nov-3.6%
Dec+8.1%

2020

Jan-0.9%
Feb-8.1%
Mar-11.4%
Apr+2.5%
May-1.0%
Jun-3.8%
Jul+9.7%
Aug+11.4%
Sep-2.3%
Oct-5.2%
Nov+13.4%
Dec+1.3%

2019

Jan+0.7%
Feb-2.1%
Mar-0.2%
Apr+7.9%
May-8.9%
Jun+8.0%
Jul-3.6%
Aug-1.0%
Sep+2.3%
Oct+2.2%
Nov+3.6%
Dec+2.8%

2018

Jan+8.2%
Feb-3.3%
Mar-3.7%
Apr-2.9%
May-1.1%
Jun-2.5%
Jul+6.0%
Aug+5.5%
Sep+2.6%
Oct-4.1%
Nov+6.3%
Dec-6.4%

2017

Jan+0.7%
Feb+4.4%
Mar-2.8%
Apr-0.9%
May+0.0%
Jun+2.5%
Jul+3.3%
Aug+3.5%
Sep+1.2%
Oct+2.0%
Nov+3.2%
Dec+2.7%

2016

Jan-1.7%
Feb+3.4%
Mar+5.7%
Apr+2.5%
May-3.4%
Jun+3.0%
Jul-0.4%
Aug+4.3%
Sep-4.0%
Oct-0.1%
Nov+9.1%
Dec+3.5%

2015

Jan-4.2%
Feb+2.4%
Mar-2.1%
Apr-2.2%
May+1.3%
Jun-4.8%
Jul+4.9%
Aug-6.1%
Sep-2.7%
Oct+4.3%
Nov-1.4%
Dec-1.5%

2014

Jan-5.9%
Feb+3.7%
Mar+7.9%
Apr+3.1%
May-0.4%
Jun-1.4%
Jul-0.9%
Aug+9.4%
Sep+0.6%
Oct+1.5%
Nov+6.1%
Dec+1.0%

2013

Jan+8.1%
Feb+5.4%
Mar+2.0%
Apr+2.0%
May+7.3%
Jun-1.9%
Jul+3.5%
Aug-4.0%
Sep+2.1%
Oct+1.4%
Nov+1.3%
Dec+1.7%

2012

Jan+2.7%
Feb+0.1%
Mar+3.4%
Apr-0.9%
May-1.4%
Jun+5.0%
Jul+1.8%
Aug-0.6%
Sep+4.6%
Oct-2.1%
Nov+2.0%
Dec+1.8%

2011

Jan+2.0%
Feb+6.8%
Mar-4.2%
Apr-0.4%
May-5.1%
Jun-2.1%
Jul-4.2%
Aug-1.6%
Sep-2.7%
Oct+9.6%
Nov+1.2%
Dec-3.1%

2010

Jan+16.3%
Feb+4.8%
Mar+1.4%
Apr-5.3%
May-8.4%
Jun+13.0%
Jul-2.0%
Aug+0.8%
Sep+5.0%
Oct-3.8%
Nov+0.2%
Dec+0.5%

2009

Jan-7.0%
Feb-14.2%
Mar+10.0%
Apr+8.7%
May-3.0%
Jun-2.6%
Jul+9.8%
Aug+3.3%
Sep+1.1%
Oct-1.2%
Nov+2.1%
Dec-2.0%

2008

Jan-3.9%
Feb+2.7%
Mar-4.3%
Apr-0.4%
May+0.9%
Jun-10.8%
Jul-4.6%
Aug+1.9%
Sep+12.6%
Oct-12.6%
Nov-8.9%
Dec-8.1%

2007

Jan+0.0%
Feb-3.9%
Mar+3.3%
Apr-0.3%
May-0.1%
Jun-0.6%
Jul-0.0%
Aug+7.9%
Sep+1.6%
Oct+11.7%
Nov+6.3%
Dec+1.0%

2006

Jan-0.1%
Feb-1.5%
Mar+4.3%
Apr-2.0%
May+4.0%
Jun-0.8%
Jul+0.1%
Aug+5.1%
Sep-0.9%
Oct+10.7%
Nov+1.1%
Dec+3.1%

2005

Jan+2.0%
Feb+0.7%
Mar-5.3%
Apr-2.0%
May+0.4%
Jun-0.9%
Jul-0.1%
Aug-0.2%
Sep-1.6%
Oct+3.1%
Nov+5.0%
Dec-0.7%

2004

Jan+5.9%
Feb+5.1%
Mar-0.7%
Apr+0.3%
May-4.7%
Jun-0.6%
Jul-2.1%
Aug+0.0%
Sep-0.8%
Oct-2.3%
Nov-0.9%
Dec+5.6%

2003

Jan-8.2%
Feb-7.1%
Mar+3.5%
Apr+9.1%
May+1.8%
Jun+2.4%
Jul-1.1%
Aug+5.3%
Sep-1.3%
Oct+3.9%
Nov+8.0%
Dec+0.5%

2002

Jan-2.9%
Feb-1.1%
Mar-2.3%
Apr+2.7%
May+1.6%
Jun-9.6%
Jul+2.4%
Aug+6.7%
Sep+1.0%
Oct-0.2%
Nov-2.0%
Dec+0.5%

2001

Jan-4.4%
Feb+4.0%
Mar-7.0%
Apr+4.5%
May-0.1%
Jun+1.2%
Jul-0.2%
Aug+0.7%
Sep+0.8%
Oct+1.0%
Nov-0.9%
Dec+8.2%

2000

Jan-10.1%
Feb-12.5%
Mar+26.4%
Apr+5.3%
May-1.6%
Jun-6.7%
Jul+3.7%
Aug+4.8%
Sep+8.2%
Oct+1.6%
Nov+3.4%
Dec+8.3%

1999

Jan-8.5%
Feb+10.7%
Mar-1.2%
Apr+5.1%
May-6.2%
Jun-3.4%
Jul-5.0%
Aug-5.8%
Sep-7.3%
Oct+12.6%
Nov-10.8%
Dec-1.9%

1998

Jan+9.0%
Feb+10.9%
Mar+20.7%
Apr+2.2%
May+2.3%
Jun+11.3%
Jul-10.4%
Aug-14.3%
Sep-0.7%
Oct+7.8%
Nov+4.8%
Dec+4.4%

1997

Jan+3.9%
Feb+2.9%
Mar+1.9%
Apr+5.0%
May+13.7%
Jun+9.3%
Jul+0.1%
Aug-12.0%
Sep+7.4%
Oct-1.7%
Nov+2.7%
Dec+2.1%

1996

Jan
Feb
Mar
Apr
May
Jun+1.3%
Jul-0.7%
Aug+1.5%
Sep+3.1%
Oct+0.6%
Nov+2.2%
Dec+0.8%

Avg

Jan+0.4%
Feb+1.4%
Mar+2.1%
Apr+1.4%
May-0.4%
Jun-0.4%
Jul+1.0%
Aug+1.3%
Sep+0.5%
Oct+1.6%
Nov+2.7%
Dec+0.7%

Median

Jan+0.4%
Feb+2.8%
Mar+1.6%
Apr+1.1%
May-0.3%
Jun-1.2%
Jul+0.0%
Aug+2.1%
Sep+0.3%
Oct+1.2%
Nov+3.0%
Dec+0.9%

Last 5Y Avg

Jan+2.4%
Feb+4.4%
Mar+2.4%
Apr-1.8%
May-1.0%
Jun-3.4%
Jul+3.7%
Aug+2.7%
Sep-3.1%
Oct+1.2%
Nov+4.9%
Dec-0.8%

Std Dev (σ)

Jan6.0%
Feb6.1%
Mar7.7%
Apr4.4%
May4.6%
Jun6.1%
Jul4.7%
Aug6.0%
Sep4.2%
Oct5.7%
Nov5.1%
Dec4.0%

Consistency (μ/σ)

Jan0.07
Feb0.23
Mar0.28
Apr0.33
May-0.09
Jun-0.07
Jul0.20
Aug0.22
Sep0.11
Oct0.27
Nov0.54
Dec0.18

Win Rate (%)

Jan53%
Feb67%
Mar57%
Apr57%
May43%
Jun37%
Jul50%
Aug63%
Sep50%
Oct57%
Nov77%
Dec63%

Winning / Losing Months

Jan1614
Feb2010
Mar1713
Apr1713
May1317
Jun1119
Jul1515
Aug1911
Sep1515
Oct1713
Nov237
Dec1911

Longest Win / Loss Streak

Jan45
Feb83
Mar54
Apr84
May24
Jun36
Jul53
Aug53
Sep46
Oct43
Nov62
Dec54

Best

Jan+16.3%2010
Feb+10.9%1998
Mar+26.4%2000
Apr+9.1%2003
May+13.7%1997
Jun+13.0%2010
Jul+10.1%2022
Aug+11.4%2020
Sep+12.6%2008
Oct+12.6%1999
Nov+13.4%2020
Dec+8.3%2000

Worst

Jan-10.1%2000
Feb-14.2%2009
Mar-11.4%2020
Apr-8.5%2022
May-8.9%2019
Jun-13.6%2022
Jul-10.4%1998
Aug-14.3%1998
Sep-7.3%1999
Oct-12.6%2008
Nov-10.8%1999
Dec-8.1%2008
−14.3%+26.4%

Frequently asked questions

Data & methodology