Warren Buffett - Berkshire Hathaway Inc
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    29
Portfolio value:    $263,095,703,570
Holdings Activity Buys Sells    History
Holding/activity history for  Sanofi Aventis (SNY)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2018   Q3 0 0.00 Sell 100.00% 0.08 SEC
2018   Q2 3,701,012 0.08 $40.01 $148,078,000 SEC
2018   Q1 3,701,012 0.08 Reduce 4.58% <0.01 $40.08 $148,337,000 SEC
2017   Q4 3,878,524 0.09 Reduce 0.70% <0.01 $43.00 $166,777,000 SEC
2017   Q3 3,905,875 0.11 $49.79 $194,474,000 SEC
2017   Q2 3,905,875 0.12 $47.91 $187,130,000 SEC
2017   Q1 3,905,875 0.11 $45.25 $176,741,000 SEC
2016   Q4 3,905,875 0.11 $40.44 $157,953,000 SEC
2016   Q3 3,905,875 0.12 $38.19 $149,165,000 SEC
2016   Q2 3,905,875 0.13 $41.85 $163,461,000 SEC
2016   Q1 3,905,875 0.12 $40.16 $156,859,000 SEC
2015   Q4 3,905,875 0.13 $42.65 $166,586,000 SEC
2015   Q3 3,905,875 0.15 $47.47 $185,412,000 SEC
2015   Q2 3,905,875 0.18 $49.53 $193,458,000 SEC
2015   Q1 3,905,875 0.18 $49.44 $193,107,000 SEC
2014   Q4 3,905,875 0.16 $45.61 $178,147,000 SEC
2014   Q3 3,905,875 0.20 $56.43 $220,410,000 SEC
2014   Q2 3,905,875 0.19 $53.17 $207,676,000 SEC
2014   Q1 3,905,875 0.19 $52.28 $204,199,000 SEC
2013   Q4 3,905,875 0.20 $53.63 $209,472,000 SEC
2013   Q3 3,905,875 0.22 Reduce 3.88% <0.01 $50.63 $197,754,000 SEC
2013   Q2 4,063,675 0.24 $51.51 $209,321,000 SEC
2013   Q1 4,063,675 0.25 $51.08 $207,573,000 SEC
2012   Q4 4,063,675 0.26 $47.38 $192,537,000 SEC
2012   Q3 4,063,675 0.24 $43.06 $174,981,000 SEC
2012   Q2 4,063,675 0.21 $37.78 $153,526,000 SEC
2011   Q4 4,063,675 0.23 $36.54 $148,487,000 SEC
2011   Q3 4,063,675 0.23 $32.80 $133,289,000 SEC
2011   Q2 4,063,675 0.32 $40.17 $163,238,000 SEC
2011   Q1 4,063,675 0.27 $35.22 $143,123,000 SEC
2010   Q4 4,063,675 0.25 $32.23 $130,972,000 SEC
2010   Q3 4,063,675 0.28 $33.25 $135,117,000 SEC
2010   Q2 4,063,675 0.27 Add 4.09% 0.01 $30.06 $122,154,000 SEC
2010   Q1 3,903,933 0.29 $37.36 $145,851,000 SEC
2009   Q4 3,903,933 0.27 $39.27 $153,306,000 SEC
2009   Q3 3,903,933 0.26 $36.95 $144,250,000 SEC
2009   Q2 3,903,933 0.24 $29.49 $115,126,000 SEC
2009   Q1 3,903,933 0.27 $27.93 $109,037,000 SEC
2008   Q4 3,903,933 0.25 $32.16 $125,545,000 SEC
2008   Q3 3,903,933 0.23 $32.87 $128,323,000 SEC
2008   Q2 3,903,933 0.23 Add 8.84% 0.02 $33.23 $129,727,000 SEC
2008   Q1 3,586,733 0.21 Add 0.47% <0.01 $37.54 $134,646,000 SEC
2007   Q4 3,569,905 0.24 Add 1.11% <0.01 $45.53 $162,537,000 SEC
2007   Q3 3,530,685 0.24 $42.42 $149,772,000 SEC
2007   Q2 3,530,685 0.24 Add 326.15% 0.18 $40.27 $142,181,000 SEC
2007   Q1 828,500 0.07 Add 69.60% 0.03 $43.51 $36,048,000 SEC
2006   Q4 488,500 0.04 $46.17 $22,554,000 SEC
2006   Q3 488,500 0.05 $44.47 $21,724,000 SEC
2006   Q2 488,500 0.06 Buy 0.06 $48.70 $23,790,000 SEC