BERKSHIRE HATHAWAY INC DEL

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

Councilmark Asset Management, LLC's Holding History (CIK: 0002022076)

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

Q4 2025
Shares 18,069 Value ($000) $9,082 Avg Close $497.53 Range $473.15 - $516.85
Q3 2025
Shares 18,252 Value ($000) $9,176 Avg Close $484.36 Range $455.19 - $507.66
Q2 2025
Shares 18,302 Value ($000) $8,891 Avg Close $507.86 Range $462.10 - $542.07
Q1 2025
Shares 18,278 Value ($000) $9,734 Avg Close $486.15 Range $440.10 - $537.63
Q4 2024
Shares 18,313 Value ($000) $8,301 Avg Close $461.73 Range $437.90 - $491.67
Q3 2024
Shares 18,247 Value ($000) $8,398 Avg Close $442.18 Range $403.82 - $484.82
Q2 2024
Shares 18,247 Value ($000) $7,423 Avg Close $408.62 Range $395.66 - $424.52
Q1 2024
Shares 18,247 Value ($000) $7,673 Avg Close $393.34 Range $355.94 - $430.00