BERKSHIRE HATHAWAY INC DEL

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

DCF Advisers, LLC's Holding History (CIK: 0001802493)

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

Q4 2020

Shares 2,000 Value ($000) $464 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 4,000 Value ($000) $852 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 11,500 Value ($000) $2,053 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 15,000 Value ($000) $2,742 Avg Close $212.55 Range $159.50 - $231.61

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	2,000	$464	$220.20	$197.81 - $234.99
Q3 2020	4,000	$852	$204.56	$177.34 - $223.24
Q2 2020	11,500	$2,053	$182.62	$167.04 - $203.33
Q1 2020	15,000	$2,742	$212.55	$159.50 - $231.61