BERKSHIRE HATHAWAY INC DEL

Ticker: BRK/B CUSIP: 084670702 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 2,350 Value ($000) $1,181 Avg Close $497.53 Range $473.15 - $516.85
Q3 2025
Shares 2,350 Value ($000) $1,181 Avg Close $484.36 Range $455.19 - $507.66
Q2 2025
Shares 2,350 Value ($000) $1,142 Avg Close $507.86 Range $462.10 - $542.07
Q4 2015
Shares 4,213 Value ($000) $556 Avg Close $134.20 Range $127.46 - $138.62
Q3 2015
Shares 4,213 Value ($000) $549 Avg Close $137.00 Range $125.50 - $144.69
Q2 2015
Shares 4,213 Value ($000) $573 Avg Close $142.63 Range $136.08 - $148.57
Q1 2015
Shares 4,213 Value ($000) $608 Avg Close $147.14 Range $142.50 - $151.69
Q4 2014
Shares 4,213 Value ($000) $633 Avg Close $144.37 Range $132.03 - $152.94
Q3 2014
Shares 4,213 Value ($000) $582 Avg Close $133.21 Range $122.72 - $142.45
Q2 2014
Shares 6,713 Value ($000) $850 Avg Close $126.57 Range $121.09 - $129.73
Q1 2014
Shares 6,713 Value ($000) $839 Avg Close $116.85 Range $108.12 - $125.91
Q4 2013
Shares 6,713 Value ($000) $796 Avg Close $115.63 Range $110.84 - $118.66
Q3 2013
Shares 6,713 Value ($000) $762 Avg Close $115.36 Range $110.72 - $119.30
Q2 2013
Shares 6,713 Value ($000) $751 Avg Close $110.02 Range $102.69 - $115.98