GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

OSTERWEIS CAPITAL MANAGEMENT INC's Holding History (CIK: 0001007524)

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

Q4 2025

Shares 101,613 Value ($000) $11,473 Avg Close $95.54 Range $73.16 - $118.17

Q3 2025

Shares 142,288 Value ($000) $11,604 Avg Close $91.83 Range $79.02 - $106.82

Q2 2025

Shares 94,373 Value ($000) $9,748 Avg Close $93.83 Range $77.10 - $104.58

Q1 2025

Shares 59,133 Value ($000) $5,820 Avg Close $133.38 Range $91.78 - $163.71

Q1 2017

Shares 45,165 Value ($000) $2,317 Avg Close $43.59 Range $33.18 - $52.49

Q4 2016

Shares 51,185 Value ($000) $1,756 Avg Close $34.23 Range $28.72 - $39.02

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	101,613	$11,473	$95.54	$73.16 - $118.17
Q3 2025	142,288	$11,604	$91.83	$79.02 - $106.82
Q2 2025	94,373	$9,748	$93.83	$77.10 - $104.58
Q1 2025	59,133	$5,820	$133.38	$91.78 - $163.71
Q1 2017	45,165	$2,317	$43.59	$33.18 - $52.49
Q4 2016	51,185	$1,756	$34.23	$28.72 - $39.02