BERKSHIRE HATHAWAY INC DEL

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

Cardinal Capital Management, Inc.'s Holding History (CIK: 0001518235)

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

Q2 2021

Shares 402 Value ($000) $112 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 175 Value ($000) $45 Avg Close $242.84 Range $226.10 - $267.50

Q2 2017

Shares 20 Value ($000) $3 Avg Close $166.33 Range $160.93 - $171.95

Q3 2016

Shares 60 Value ($000) $9 Avg Close $146.25 Range $140.95 - $151.05

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	402	$112	$279.44	$254.80 - $295.08
Q1 2021	175	$45	$242.84	$226.10 - $267.50
Q2 2017	20	$3	$166.33	$160.93 - $171.95
Q3 2016	60	$9	$146.25	$140.95 - $151.05