GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q4 2025
Shares 3,376,928 Value ($000) $381,289 Avg Close $95.54 Range $73.16 - $118.17
Q3 2025
Shares 2,253,788 Value ($000) $183,796 Avg Close $91.83 Range $79.02 - $106.82
Q2 2025
Shares 1,827,998 Value ($000) $188,814 Avg Close $93.83 Range $77.10 - $104.58
Q1 2025
Shares 1,218,475 Value ($000) $119,922 Avg Close $133.38 Range $91.78 - $163.71
Q4 2024
Shares 1,214,325 Value ($000) $182,076 Avg Close $137.76 Range $124.60 - $153.50
Q3 2024
Shares 1,245,185 Value ($000) $162,223 Avg Close $124.44 Range $107.22 - $136.60
Q2 2024
Shares 1,220,815 Value ($000) $144,483 Avg Close $106.17 Range $88.16 - $119.89
Q1 2024
Shares 848,635 Value ($000) $80,018 Avg Close $89.35 Range $74.75 - $97.24
Q4 2023
Shares 790,035 Value ($000) $62,800 Avg Close $68.19 Range $59.22 - $86.53
Q3 2023
Shares 638,620 Value ($000) $48,056 Avg Close $74.68 Range $68.25 - $80.28
Q2 2023
Shares 618,500 Value ($000) $44,043 Avg Close $57.41 Range $45.38 - $71.86
Q1 2023
Shares 608,200 Value ($000) $30,471 Avg Close $48.54 Range $42.48 - $53.32
Q4 2022
Shares 550,480 Value ($000) $24,045 Avg Close $49.32 Range $40.45 - $58.25
Q3 2022
Shares 537,890 Value ($000) $28,637 Avg Close $51.60 Range $45.11 - $60.92
Q2 2022
Shares 541,370 Value ($000) $24,589 Avg Close $47.46 Range $33.33 - $64.49
Q1 2022
Shares 532,500 Value ($000) $30,789 Avg Close $52.91 Range $43.09 - $59.68
Q4 2021
Shares 532,900 Value ($000) $23,682 Avg Close $46.16 Range $39.35 - $58.29
Q3 2021
Shares 500,200 Value ($000) $24,095 Avg Close $55.46 Range $46.32 - $86.35
Q2 2021
Shares 444,500 Value ($000) $37,707 Avg Close $82.12 Range $71.47 - $98.28
Q1 2021
Shares 436,300 Value ($000) $36,619 Avg Close $87.94 Range $69.89 - $99.00
Q4 2020
Shares 431,200 Value ($000) $32,452 Avg Close $63.20 Range $48.68 - $76.20
Q3 2020
Shares 407,700 Value ($000) $20,189 Avg Close $43.94 Range $35.65 - $52.03
Q2 2020
Shares 401,630 Value ($000) $15,431 Avg Close $37.23 Range $27.58 - $47.82
Q1 2020
Shares 339,700 Value ($000) $10,483 Avg Close $51.30 Range $23.31 - $70.96
Q4 2019
Shares 318,200 Value ($000) $17,332 Avg Close $60.84 Range $53.53 - $66.70
Q3 2019
Shares 282,300 Value ($000) $17,647 Avg Close $70.43 Range $57.53 - $84.65
Q2 2019
Shares 272,700 Value ($000) $20,562 Avg Close $71.75 Range $63.00 - $80.32
Q1 2019
Shares 272,700 Value ($000) $21,371 Avg Close $66.77 Range $50.60 - $83.14
Q4 2018
Shares 268,700 Value ($000) $15,093 Avg Close $60.12 Range $51.50 - $69.18
Q3 2018
Shares 269,000 Value ($000) $17,458 Avg Close $49.06 Range $36.89 - $70.91
Q2 2018
Shares 214,500 Value ($000) $8,717 Avg Close $35.57 Range $26.75 - $45.00
Q1 2018
Shares 182,000 Value ($000) $5,611 Avg Close $30.28 Range $25.25 - $34.88
Q4 2017
Shares 82,210 Value ($000) $2,109 Avg Close $29.76 Range $23.07 - $36.20