GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q4 2025

Shares 48,243 Value ($000) $5 Avg Close $95.54 Range $73.16 - $118.17

Q3 2025

Shares 48,243 Value ($000) $4 Avg Close $91.83 Range $79.02 - $106.82

Q2 2025

Shares 48,243 Value ($000) $5 Avg Close $93.83 Range $77.10 - $104.58

Q1 2025

Shares 48,243 Value ($000) $5 Avg Close $133.38 Range $91.78 - $163.71

Q4 2024

Shares 48,243 Value ($000) $7 Avg Close $137.76 Range $124.60 - $153.50

Q3 2024

Shares 48,143 Value ($000) $6 Avg Close $124.44 Range $107.22 - $136.60

Q2 2024

Shares 47,943 Value ($000) $6 Avg Close $106.17 Range $88.16 - $119.89

Q1 2024

Shares 48,343 Value ($000) $5 Avg Close $89.35 Range $74.75 - $97.24

Q4 2023

Shares 48,343 Value ($000) $4 Avg Close $68.19 Range $59.22 - $86.53

Q3 2023

Shares 48,343 Value ($000) $4 Avg Close $74.68 Range $68.25 - $80.28

Q2 2023

Shares 49,043 Value ($000) $3 Avg Close $57.41 Range $45.38 - $71.86

Q1 2023

Shares 49,343 Value ($000) $2 Avg Close $48.54 Range $42.48 - $53.32

Q4 2022

Shares 49,843 Value ($000) $2 Avg Close $49.32 Range $40.45 - $58.25

Q3 2022

Shares 49,843 Value ($000) $2,654 Avg Close $51.60 Range $45.11 - $60.92

Q2 2022

Shares 47,643 Value ($000) $2,164 Avg Close $47.46 Range $33.33 - $64.49

Q1 2022

Shares 46,643 Value ($000) $2,697 Avg Close $52.91 Range $43.09 - $59.68

Q4 2021

Shares 46,643 Value ($000) $2,073 Avg Close $46.16 Range $39.35 - $58.29

Q3 2021

Shares 46,343 Value ($000) $2,232 Avg Close $55.46 Range $46.32 - $86.35

Q2 2021

Shares 46,343 Value ($000) $3,931 Avg Close $82.12 Range $71.47 - $98.28

Q1 2021

Shares 46,343 Value ($000) $3,890 Avg Close $87.94 Range $69.89 - $99.00

Q4 2020

Shares 47,143 Value ($000) $3,548 Avg Close $63.20 Range $48.68 - $76.20

Q3 2020

Shares 47,143 Value ($000) $2,335 Avg Close $43.94 Range $35.65 - $52.03

Q2 2020

Shares 35,657 Value ($000) $1,370 Avg Close $37.23 Range $27.58 - $47.82

Q1 2020

Shares 15,411 Value ($000) $476 Avg Close $51.30 Range $23.31 - $70.96

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	48,243	$5	$95.54	$73.16 - $118.17
Q3 2025	48,243	$4	$91.83	$79.02 - $106.82
Q2 2025	48,243	$5	$93.83	$77.10 - $104.58
Q1 2025	48,243	$5	$133.38	$91.78 - $163.71
Q4 2024	48,243	$7	$137.76	$124.60 - $153.50
Q3 2024	48,143	$6	$124.44	$107.22 - $136.60
Q2 2024	47,943	$6	$106.17	$88.16 - $119.89
Q1 2024	48,343	$5	$89.35	$74.75 - $97.24
Q4 2023	48,343	$4	$68.19	$59.22 - $86.53
Q3 2023	48,343	$4	$74.68	$68.25 - $80.28
Q2 2023	49,043	$3	$57.41	$45.38 - $71.86
Q1 2023	49,343	$2	$48.54	$42.48 - $53.32
Q4 2022	49,843	$2	$49.32	$40.45 - $58.25
Q3 2022	49,843	$2,654	$51.60	$45.11 - $60.92
Q2 2022	47,643	$2,164	$47.46	$33.33 - $64.49
Q1 2022	46,643	$2,697	$52.91	$43.09 - $59.68
Q4 2021	46,643	$2,073	$46.16	$39.35 - $58.29
Q3 2021	46,343	$2,232	$55.46	$46.32 - $86.35
Q2 2021	46,343	$3,931	$82.12	$71.47 - $98.28
Q1 2021	46,343	$3,890	$87.94	$69.89 - $99.00
Q4 2020	47,143	$3,548	$63.20	$48.68 - $76.20
Q3 2020	47,143	$2,335	$43.94	$35.65 - $52.03
Q2 2020	35,657	$1,370	$37.23	$27.58 - $47.82
Q1 2020	15,411	$476	$51.30	$23.31 - $70.96