GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 14,219 Value ($000) $1,605 Avg Close $95.54 Range $73.16 - $118.17

Q3 2025

Shares 14,605 Value ($000) $1,191 Avg Close $91.83 Range $79.02 - $106.82

Q2 2025

Shares 14,670 Value ($000) $1,515 Avg Close $93.83 Range $77.10 - $104.58

Q1 2025

Shares 13,195 Value ($000) $1,299 Avg Close $133.38 Range $91.78 - $163.71

Q4 2024

Shares 11,771 Value ($000) $1,765 Avg Close $137.76 Range $124.60 - $153.50

Q3 2024

Shares 11,745 Value ($000) $1,530 Avg Close $124.44 Range $107.22 - $136.60

Q2 2024

Shares 10,853 Value ($000) $1,284 Avg Close $106.17 Range $88.16 - $119.89

Q1 2024

Shares 10,539 Value ($000) $994 Avg Close $89.35 Range $74.75 - $97.24

Q4 2023

Shares 10,513 Value ($000) $836 Avg Close $68.19 Range $59.22 - $86.53

Q3 2023

Shares 32,525 Value ($000) $2,448 Avg Close $74.68 Range $68.25 - $80.28

Q2 2023

Shares 54,494 Value ($000) $3,881 Avg Close $57.41 Range $45.38 - $71.86

Q1 2023

Shares 50,509 Value ($000) $2,531 Avg Close $48.54 Range $42.48 - $53.32

Q4 2022

Shares 51,053 Value ($000) $2 Avg Close $49.32 Range $40.45 - $58.25

Q3 2022

Shares 43,367 Value ($000) $2,309 Avg Close $51.60 Range $45.11 - $60.92

Q2 2022

Shares 43,150 Value ($000) $1,960 Avg Close $47.46 Range $33.33 - $64.49

Q1 2022

Shares 40,424 Value ($000) $2,337 Avg Close $52.91 Range $43.09 - $59.68

Q4 2021

Shares 35,440 Value ($000) $1,575 Avg Close $46.16 Range $39.35 - $58.29

Q3 2021

Shares 35,303 Value ($000) $1,701 Avg Close $55.46 Range $46.32 - $86.35

Q2 2021

Shares 35,517 Value ($000) $3,013 Avg Close $82.12 Range $71.47 - $98.28

Q1 2021

Shares 35,310 Value ($000) $2,964 Avg Close $87.94 Range $69.89 - $99.00

Q4 2020

Shares 34,829 Value ($000) $2,621 Avg Close $63.20 Range $48.68 - $76.20

Q3 2020

Shares 34,667 Value ($000) $1,717 Avg Close $43.94 Range $35.65 - $52.03

Q2 2020

Shares 20,038 Value ($000) $770 Avg Close $37.23 Range $27.58 - $47.82

Q1 2020

Shares 19,617 Value ($000) $605 Avg Close $51.30 Range $23.31 - $70.96

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,219	$1,605	$95.54	$73.16 - $118.17
Q3 2025	14,605	$1,191	$91.83	$79.02 - $106.82
Q2 2025	14,670	$1,515	$93.83	$77.10 - $104.58
Q1 2025	13,195	$1,299	$133.38	$91.78 - $163.71
Q4 2024	11,771	$1,765	$137.76	$124.60 - $153.50
Q3 2024	11,745	$1,530	$124.44	$107.22 - $136.60
Q2 2024	10,853	$1,284	$106.17	$88.16 - $119.89
Q1 2024	10,539	$994	$89.35	$74.75 - $97.24
Q4 2023	10,513	$836	$68.19	$59.22 - $86.53
Q3 2023	32,525	$2,448	$74.68	$68.25 - $80.28
Q2 2023	54,494	$3,881	$57.41	$45.38 - $71.86
Q1 2023	50,509	$2,531	$48.54	$42.48 - $53.32
Q4 2022	51,053	$2	$49.32	$40.45 - $58.25
Q3 2022	43,367	$2,309	$51.60	$45.11 - $60.92
Q2 2022	43,150	$1,960	$47.46	$33.33 - $64.49
Q1 2022	40,424	$2,337	$52.91	$43.09 - $59.68
Q4 2021	35,440	$1,575	$46.16	$39.35 - $58.29
Q3 2021	35,303	$1,701	$55.46	$46.32 - $86.35
Q2 2021	35,517	$3,013	$82.12	$71.47 - $98.28
Q1 2021	35,310	$2,964	$87.94	$69.89 - $99.00
Q4 2020	34,829	$2,621	$63.20	$48.68 - $76.20
Q3 2020	34,667	$1,717	$43.94	$35.65 - $52.03
Q2 2020	20,038	$770	$37.23	$27.58 - $47.82
Q1 2020	19,617	$605	$51.30	$23.31 - $70.96