QUANTA SVCS INC

Ticker: PWR CUSIP: 74762E102 Class: Common Stock

BERKSHIRE ASSET MANAGEMENT LLC/PA's Holding History (CIK: 0000949012)

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

Q3 2025

Shares 1,085 Value ($000) $450 Avg Close $388.50 Range $362.83 - $424.73

Q2 2025

Shares 1,085 Value ($000) $410 Avg Close $320.76 Range $226.91 - $382.50

Q1 2025

Shares 1,085 Value ($000) $354 Avg Close $288.64 Range $231.05 - $365.46

Q4 2024

Shares 1,125 Value ($000) $403 Avg Close $321.23 Range $292.18 - $349.68

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1,085	$450	$388.50	$362.83 - $424.73
Q2 2025	1,085	$410	$320.76	$226.91 - $382.50
Q1 2025	1,085	$354	$288.64	$231.05 - $365.46
Q4 2024	1,125	$403	$321.23	$292.18 - $349.68