GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

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

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

Q3 2025

Shares 1,231,641 Value ($000) $100,440 Avg Close $91.83 Range $79.02 - $106.82

Q2 2025

Shares 1,167,853 Value ($000) $120,628 Avg Close $93.83 Range $77.10 - $104.58

Q1 2025

Shares 1,084,184 Value ($000) $106,705 Avg Close $133.38 Range $91.78 - $163.71

Q4 2024

Shares 807,151 Value ($000) $121,024 Avg Close $137.76 Range $124.60 - $153.50

Q3 2024

Shares 2,537 Value ($000) $331 Avg Close $124.44 Range $107.22 - $136.60

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1,231,641	$100,440	$91.83	$79.02 - $106.82
Q2 2025	1,167,853	$120,628	$93.83	$77.10 - $104.58
Q1 2025	1,084,184	$106,705	$133.38	$91.78 - $163.71
Q4 2024	807,151	$121,024	$137.76	$124.60 - $153.50
Q3 2024	2,537	$331	$124.44	$107.22 - $136.60