GUARDANT HEALTH INC

Ticker: GH CUSIP: 40131M109 Class: EQTY

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

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

Q4 2025

Shares 539,190 Value ($000) $55,073 Avg Close $89.46 Range $60.45 - $112.43

Q3 2022

Shares 581,589 Value ($000) $31,307 Avg Close $51.34 Range $40.37 - $61.67

Q2 2022

Shares 570,063 Value ($000) $22,996 Avg Close $49.55 Range $27.65 - $77.72

Q1 2022

Shares 155,342 Value ($000) $10,290 Avg Close $68.43 Range $46.87 - $102.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	539,190	$55,073	$89.46	$60.45 - $112.43
Q3 2022	581,589	$31,307	$51.34	$40.37 - $61.67
Q2 2022	570,063	$22,996	$49.55	$27.65 - $77.72
Q1 2022	155,342	$10,290	$68.43	$46.87 - $102.85