KLA CORP

Ticker: KLAC CUSIP: 482480100 Class: COM NEW

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2025

Shares 774,499 Value ($000) $941,078 Avg Close $1171.91 Range $979.33 - $1286.81

Q3 2025

Shares 591,850 Value ($000) $638,369 Avg Close $930.36 Range $830.85 - $1083.78

Q2 2025

Shares 182,629 Value ($000) $163,588 Avg Close $748.55 Range $547.89 - $911.31

Q4 2024

Shares 64,085 Value ($000) $40,381 Avg Close $669.07 Range $604.24 - $823.66

Q3 2024

Shares 103,191 Value ($000) $79,912 Avg Close $775.08 Range $639.56 - $884.65

Q2 2024

Shares 83,158 Value ($000) $69 Avg Close $728.44 Range $613.80 - $865.13

Q1 2024

Shares 67,085 Value ($000) $47 Avg Close $631.89 Range $533.07 - $718.19

Q4 2023

Shares 11,537 Value ($000) $7 Avg Close $510.90 Range $439.38 - $587.15

Q3 2023

Shares 30,152 Value ($000) $14 Avg Close $469.45 Range $431.39 - $509.83

Q4 2021

Shares 293,631 Value ($000) $126,294 Avg Close $369.50 Range $304.02 - $424.08

Q3 2021

Shares 819,929 Value ($000) $274,274 Avg Close $318.72 Range $273.94 - $358.15

Q2 2021

Shares 641,757 Value ($000) $208,064 Avg Close $304.93 Range $271.63 - $341.75

Q1 2021

Shares 553,549 Value ($000) $182,893 Avg Close $285.88 Range $244.18 - $324.26

Q4 2020

Shares 792,642 Value ($000) $205,223 Avg Close $220.47 Range $179.54 - $254.78

Q3 2020

Shares 992,397 Value ($000) $192,267 Avg Close $186.13 Range $161.70 - $206.30

Q2 2020

Shares 458,239 Value ($000) $89,118 Avg Close $160.31 Range $117.44 - $185.62

Q1 2020

Shares 89,982 Value ($000) $12,934 Avg Close $150.21 Range $103.06 - $171.72

Q4 2019

Shares 1,425,804 Value ($000) $254,035 Avg Close $155.73 Range $142.30 - $167.48

Q3 2019

Shares 950,466 Value ($000) $151,552 Avg Close $129.13 Range $106.76 - $150.68

Q1 2019

Shares 25,800 Value ($000) $3,081 Avg Close $98.08 Range $77.84 - $114.05

Q3 2017

Shares 83,700 Value ($000) $8,872 Avg Close $83.67 Range $76.77 - $93.25

Q2 2017

Shares 342,255 Value ($000) $31,320 Avg Close $86.97 Range $79.53 - $95.69

Q1 2017

Shares 506,277 Value ($000) $48,132 Avg Close $76.28 Range $67.20 - $84.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	774,499	$941,078	$1171.91	$979.33 - $1286.81
Q3 2025	591,850	$638,369	$930.36	$830.85 - $1083.78
Q2 2025	182,629	$163,588	$748.55	$547.89 - $911.31
Q4 2024	64,085	$40,381	$669.07	$604.24 - $823.66
Q3 2024	103,191	$79,912	$775.08	$639.56 - $884.65
Q2 2024	83,158	$69	$728.44	$613.80 - $865.13
Q1 2024	67,085	$47	$631.89	$533.07 - $718.19
Q4 2023	11,537	$7	$510.90	$439.38 - $587.15
Q3 2023	30,152	$14	$469.45	$431.39 - $509.83
Q4 2021	293,631	$126,294	$369.50	$304.02 - $424.08
Q3 2021	819,929	$274,274	$318.72	$273.94 - $358.15
Q2 2021	641,757	$208,064	$304.93	$271.63 - $341.75
Q1 2021	553,549	$182,893	$285.88	$244.18 - $324.26
Q4 2020	792,642	$205,223	$220.47	$179.54 - $254.78
Q3 2020	992,397	$192,267	$186.13	$161.70 - $206.30
Q2 2020	458,239	$89,118	$160.31	$117.44 - $185.62
Q1 2020	89,982	$12,934	$150.21	$103.06 - $171.72
Q4 2019	1,425,804	$254,035	$155.73	$142.30 - $167.48
Q3 2019	950,466	$151,552	$129.13	$106.76 - $150.68
Q1 2019	25,800	$3,081	$98.08	$77.84 - $114.05
Q3 2017	83,700	$8,872	$83.67	$76.77 - $93.25
Q2 2017	342,255	$31,320	$86.97	$79.53 - $95.69
Q1 2017	506,277	$48,132	$76.28	$67.20 - $84.16