KLA CORP

Ticker: KLAC CUSIP: 482480100 Class: COM NEW

BOKF, NA's Holding History (CIK: 0000009634)

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

Q4 2025

Shares 7,451 Value ($000) $9,054 Avg Close $1171.91 Range $979.33 - $1286.81

Q3 2025

Shares 8,534 Value ($000) $9,205 Avg Close $930.36 Range $830.85 - $1083.78

Q2 2025

Shares 7,316 Value ($000) $6,553 Avg Close $748.55 Range $547.89 - $911.31

Q1 2025

Shares 7,318 Value ($000) $4,975 Avg Close $714.90 Range $626.53 - $787.27

Q4 2024

Shares 7,803 Value ($000) $5,330 Avg Close $669.07 Range $604.24 - $823.66

Q3 2024

Shares 6,889 Value ($000) $5,336 Avg Close $775.08 Range $639.56 - $884.65

Q2 2024

Shares 6,916 Value ($000) $5,702 Avg Close $728.44 Range $613.80 - $865.13

Q1 2024

Shares 7,961 Value ($000) $5,659 Avg Close $631.89 Range $533.07 - $718.19

Q4 2023

Shares 4,302 Value ($000) $2,501 Avg Close $510.90 Range $439.38 - $587.15

Q3 2023

Shares 4,850 Value ($000) $2,278 Avg Close $469.45 Range $431.39 - $509.83

Q2 2023

Shares 4,677 Value ($000) $2,268 Avg Close $407.84 Range $346.68 - $477.23

Q1 2023

Shares 4,982 Value ($000) $1,989 Avg Close $383.34 Range $350.54 - $417.01

Q4 2022

Shares 9,284 Value ($000) $3,500 Avg Close $337.92 Range $242.12 - $407.40

Q3 2022

Shares 9,060 Value ($000) $2,742 Avg Close $334.63 Range $272.74 - $384.72

Q2 2022

Shares 6,117 Value ($000) $1,952 Avg Close $323.74 Range $294.07 - $359.05

Q1 2022

Shares 6,182 Value ($000) $2,263 Avg Close $358.99 Range $298.47 - $438.16

Q4 2021

Shares 5,627 Value ($000) $2,421 Avg Close $369.50 Range $304.02 - $424.08

Q3 2021

Shares 5,166 Value ($000) $1,728 Avg Close $318.72 Range $273.94 - $358.15

Q1 2021

Shares 9,574 Value ($000) $3,163 Avg Close $285.88 Range $244.18 - $324.26

Q4 2020

Shares 9,390 Value ($000) $2,431 Avg Close $220.47 Range $179.54 - $254.78

Q3 2020

Shares 10,235 Value ($000) $1,983 Avg Close $186.13 Range $161.70 - $206.30

Q2 2020

Shares 8,773 Value ($000) $1,707 Avg Close $160.31 Range $117.44 - $185.62

Q1 2020

Shares 8,283 Value ($000) $1,190 Avg Close $150.21 Range $103.06 - $171.72

Q4 2019

Shares 9,702 Value ($000) $1,729 Avg Close $155.73 Range $142.30 - $167.48

Q3 2019

Shares 7,972 Value ($000) $1,271 Avg Close $129.13 Range $106.76 - $150.68

Q2 2019

Shares 7,233 Value ($000) $855 Avg Close $106.14 Range $93.34 - $118.03

Q1 2019

Shares 6,515 Value ($000) $778 Avg Close $98.08 Range $77.84 - $114.05

Q4 2018

Shares 5,090 Value ($000) $456 Avg Close $84.23 Range $73.26 - $92.78

Q3 2018

Shares 15,725 Value ($000) $1,599 Avg Close $98.18 Range $89.72 - $109.57

Q2 2018

Shares 15,057 Value ($000) $1,544 Avg Close $97.03 Range $87.08 - $106.13

Q1 2018

Shares 14,721 Value ($000) $1,605 Avg Close $98.66 Range $84.98 - $110.22

Q4 2017

Shares 14,663 Value ($000) $1,541 Avg Close $92.93 Range $87.45 - $101.17

Q3 2017

Shares 13,213 Value ($000) $1,400 Avg Close $83.67 Range $76.77 - $93.25

Q2 2017

Shares 9,709 Value ($000) $888 Avg Close $86.97 Range $79.53 - $95.69

Q1 2017

Shares 9,752 Value ($000) $927 Avg Close $76.28 Range $67.20 - $84.16

Q4 2016

Shares 8,418 Value ($000) $662 Avg Close $65.71 Range $59.77 - $71.83

Q3 2016

Shares 3,241 Value ($000) $226 Avg Close $61.47 Range $57.31 - $66.21

Q1 2015

Shares 4,639 Value ($000) $271 Avg Close $52.00 Range $46.89 - $57.67

Q4 2014

Shares 4,426 Value ($000) $311 Avg Close $52.04 Range $42.19 - $59.17

Q3 2014

Shares 5,615 Value ($000) $443 Avg Close $48.63 Range $45.01 - $52.55

Q2 2014

Shares 4,667 Value ($000) $339 Avg Close $42.48 Range $39.45 - $46.73

Q1 2014

Shares 4,610 Value ($000) $319 Avg Close $41.11 Range $37.63 - $45.13

Q4 2013

Shares 4,709 Value ($000) $304 Avg Close $39.78 Range $36.98 - $42.15

Q3 2013

Shares 6,665 Value ($000) $406 Avg Close $36.71 Range $33.87 - $39.26

Q2 2013

Shares 8,470 Value ($000) $472 Avg Close $33.95 Range $31.11 - $35.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,451	$9,054	$1171.91	$979.33 - $1286.81
Q3 2025	8,534	$9,205	$930.36	$830.85 - $1083.78
Q2 2025	7,316	$6,553	$748.55	$547.89 - $911.31
Q1 2025	7,318	$4,975	$714.90	$626.53 - $787.27
Q4 2024	7,803	$5,330	$669.07	$604.24 - $823.66
Q3 2024	6,889	$5,336	$775.08	$639.56 - $884.65
Q2 2024	6,916	$5,702	$728.44	$613.80 - $865.13
Q1 2024	7,961	$5,659	$631.89	$533.07 - $718.19
Q4 2023	4,302	$2,501	$510.90	$439.38 - $587.15
Q3 2023	4,850	$2,278	$469.45	$431.39 - $509.83
Q2 2023	4,677	$2,268	$407.84	$346.68 - $477.23
Q1 2023	4,982	$1,989	$383.34	$350.54 - $417.01
Q4 2022	9,284	$3,500	$337.92	$242.12 - $407.40
Q3 2022	9,060	$2,742	$334.63	$272.74 - $384.72
Q2 2022	6,117	$1,952	$323.74	$294.07 - $359.05
Q1 2022	6,182	$2,263	$358.99	$298.47 - $438.16
Q4 2021	5,627	$2,421	$369.50	$304.02 - $424.08
Q3 2021	5,166	$1,728	$318.72	$273.94 - $358.15
Q1 2021	9,574	$3,163	$285.88	$244.18 - $324.26
Q4 2020	9,390	$2,431	$220.47	$179.54 - $254.78
Q3 2020	10,235	$1,983	$186.13	$161.70 - $206.30
Q2 2020	8,773	$1,707	$160.31	$117.44 - $185.62
Q1 2020	8,283	$1,190	$150.21	$103.06 - $171.72
Q4 2019	9,702	$1,729	$155.73	$142.30 - $167.48
Q3 2019	7,972	$1,271	$129.13	$106.76 - $150.68
Q2 2019	7,233	$855	$106.14	$93.34 - $118.03
Q1 2019	6,515	$778	$98.08	$77.84 - $114.05
Q4 2018	5,090	$456	$84.23	$73.26 - $92.78
Q3 2018	15,725	$1,599	$98.18	$89.72 - $109.57
Q2 2018	15,057	$1,544	$97.03	$87.08 - $106.13
Q1 2018	14,721	$1,605	$98.66	$84.98 - $110.22
Q4 2017	14,663	$1,541	$92.93	$87.45 - $101.17
Q3 2017	13,213	$1,400	$83.67	$76.77 - $93.25
Q2 2017	9,709	$888	$86.97	$79.53 - $95.69
Q1 2017	9,752	$927	$76.28	$67.20 - $84.16
Q4 2016	8,418	$662	$65.71	$59.77 - $71.83
Q3 2016	3,241	$226	$61.47	$57.31 - $66.21
Q1 2015	4,639	$271	$52.00	$46.89 - $57.67
Q4 2014	4,426	$311	$52.04	$42.19 - $59.17
Q3 2014	5,615	$443	$48.63	$45.01 - $52.55
Q2 2014	4,667	$339	$42.48	$39.45 - $46.73
Q1 2014	4,610	$319	$41.11	$37.63 - $45.13
Q4 2013	4,709	$304	$39.78	$36.98 - $42.15
Q3 2013	6,665	$406	$36.71	$33.87 - $39.26
Q2 2013	8,470	$472	$33.95	$31.11 - $35.91