QUANTA SVCS INC

Ticker: PWR CUSIP: 74762E102 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q4 2025

Shares 273,528 Value ($000) $115,445 Avg Close $439.27 Range $404.40 - $473.87

Q3 2025

Shares 245,506 Value ($000) $101,743 Avg Close $388.50 Range $362.83 - $424.73

Q2 2025

Shares 170,057 Value ($000) $64,295 Avg Close $320.76 Range $226.91 - $382.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	273,528	$115,445	$439.27	$404.40 - $473.87
Q3 2025	245,506	$101,743	$388.50	$362.83 - $424.73
Q2 2025	170,057	$64,295	$320.76	$226.91 - $382.50