BERKSHIRE HATHAWAY INC DEL

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

Rockingstone Advisors LLC's Holding History (CIK: 0002027176)

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

Q4 2025
Shares 7,024 Value ($000) $3,531 Avg Close $497.53 Range $473.15 - $516.85
Q3 2025
Shares 6,663 Value ($000) $3,350 Avg Close $484.36 Range $455.19 - $507.66
Q2 2025
Shares 6,626 Value ($000) $3,219 Avg Close $507.86 Range $462.10 - $542.07
Q1 2025
Shares 9,239 Value ($000) $4,921 Avg Close $486.15 Range $440.10 - $537.63
Q4 2024
Shares 9,079 Value ($000) $4,115 Avg Close $461.73 Range $437.90 - $491.67
Q3 2024
Shares 10,016 Value ($000) $4,610 Avg Close $442.18 Range $403.82 - $484.82
Q2 2024
Shares 10,036 Value ($000) $4,083 Avg Close $408.62 Range $395.66 - $424.52
Q1 2024
Shares 9,957 Value ($000) $4,187 Avg Close $393.34 Range $355.94 - $430.00
Q4 2023
Shares 10,177 Value ($000) $3,630 Avg Close $350.99 Range $330.58 - $364.05
Q3 2023
Shares 10,450 Value ($000) $3,661 Avg Close $354.77 Range $338.41 - $373.34
Q2 2023
Shares 10,203 Value ($000) $3,479 Avg Close $326.37 Range $307.07 - $342.50
Q1 2023
Shares 9,199 Value ($000) $2,840 Avg Close $308.18 Range $292.42 - $321.32
Q4 2022
Shares 9,185 Value ($000) $2,837 Avg Close $296.98 Range $259.85 - $319.56