GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q1 2025

Shares 106,200 Value ($000) $10,452 Avg Close $133.38 Range $91.78 - $163.71

Q4 2024

Shares 113,301 Value ($000) $16,988 Avg Close $137.76 Range $124.60 - $153.50

Q3 2024

Shares 114,560 Value ($000) $14,925 Avg Close $124.44 Range $107.22 - $136.60

Q2 2024

Shares 117,656 Value ($000) $13,925 Avg Close $106.17 Range $88.16 - $119.89

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	106,200	$10,452	$133.38	$91.78 - $163.71
Q4 2024	113,301	$16,988	$137.76	$124.60 - $153.50
Q3 2024	114,560	$14,925	$124.44	$107.22 - $136.60
Q2 2024	117,656	$13,925	$106.17	$88.16 - $119.89