GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025
Shares 39,141 Value ($000) $4,419 Avg Close $95.54 Range $73.16 - $118.17
Q3 2025
Shares 40,162 Value ($000) $3,275 Avg Close $91.83 Range $79.02 - $106.82
Q2 2025
Shares 38,010 Value ($000) $3,926 Avg Close $93.83 Range $77.10 - $104.58
Q1 2025
Shares 46,985 Value ($000) $4,624 Avg Close $133.38 Range $91.78 - $163.71
Q4 2024
Shares 45,114 Value ($000) $6,764 Avg Close $137.76 Range $124.60 - $153.50
Q3 2024
Shares 40,765 Value ($000) $5,311 Avg Close $124.44 Range $107.22 - $136.60
Q2 2024
Shares 42,744 Value ($000) $5,059 Avg Close $106.17 Range $88.16 - $119.89
Q1 2024
Shares 29,230 Value ($000) $2,756 Avg Close $89.35 Range $74.75 - $97.24
Q4 2023
Shares 30,283 Value ($000) $2,407 Avg Close $68.19 Range $59.22 - $86.53
Q3 2023
Shares 5,131 Value ($000) $386 Avg Close $74.68 Range $68.25 - $80.28
Q2 2023
Shares 3,596 Value ($000) $256 Avg Close $57.41 Range $45.38 - $71.86
Q1 2023
Shares 6,009 Value ($000) $301 Avg Close $48.54 Range $42.48 - $53.32
Q4 2022
Shares 5,933 Value ($000) $259 Avg Close $49.32 Range $40.45 - $58.25
Q3 2022
Shares 8,821 Value ($000) $470 Avg Close $51.60 Range $45.11 - $60.92
Q2 2022
Shares 11,838 Value ($000) $538 Avg Close $47.46 Range $33.33 - $64.49
Q1 2022
Shares 171,100 Value ($000) $9,893 Avg Close $52.91 Range $43.09 - $59.68
Q4 2021
Shares 171,100 Value ($000) $7,604 Avg Close $46.16 Range $39.35 - $58.29
Q3 2021
Shares 171,100 Value ($000) $8,242 Avg Close $55.46 Range $46.32 - $86.35
Q2 2021
Shares 171,100 Value ($000) $14,514 Avg Close $82.12 Range $71.47 - $98.28
Q1 2021
Shares 171,100 Value ($000) $14,360 Avg Close $87.94 Range $69.89 - $99.00
Q4 2020
Shares 171,100 Value ($000) $12,877 Avg Close $63.20 Range $48.68 - $76.20
Q3 2020
Shares 192,400 Value ($000) $9,528 Avg Close $43.94 Range $35.65 - $52.03
Q2 2020
Shares 192,400 Value ($000) $7,392 Avg Close $37.23 Range $27.58 - $47.82
Q1 2020
Shares 195,800 Value ($000) $6,042 Avg Close $51.30 Range $23.31 - $70.96
Q4 2019
Shares 192,400 Value ($000) $10,480 Avg Close $60.84 Range $53.53 - $66.70
Q3 2019
Shares 192,400 Value ($000) $12,027 Avg Close $70.43 Range $57.53 - $84.65
Q2 2019
Shares 192,400 Value ($000) $14,507 Avg Close $71.75 Range $63.00 - $80.32
Q1 2019
Shares 222,400 Value ($000) $17,429 Avg Close $66.77 Range $50.60 - $83.14
Q4 2018
Shares 171,500 Value ($000) $9,633 Avg Close $60.12 Range $51.50 - $69.18
Q3 2018
Shares 171,500 Value ($000) $11,130 Avg Close $49.06 Range $36.89 - $70.91
Q2 2018
Shares 250,000 Value ($000) $10,160 Avg Close $35.57 Range $26.75 - $45.00
Q1 2018
Shares 250,000 Value ($000) $7,708 Avg Close $30.28 Range $25.25 - $34.88