SEC ownership of KLA CORP

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000319201.

Comparable stake leader

VANGUARD CAPITAL MANAGEMENT LLC

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

13 Aug 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
VANGUARD CAPITAL MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
13 Aug 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0000319201
Issuer location
Milpitas, CA

Ownership snapshot

Top shareholders of KLA CORP (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
VANGUARD CAPITAL MANAGEME...
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
13 Aug 2026
13F 13D/G 3/4/5 Lead comparable stake: 7.5% 13D/G row: VANGUARD CAPITAL MANAGEMENT LLC Showing 1-8 of 50 holder rows.

Quick read

VANGUARD CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 7.5%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD CAPITAL MANAGEMENT LLC's linked filing trail.
Comparable ownership Top 5
VANGUARD CAPITAL MANAGEMENT LLC 7.5%
Richard P. Wallace 0.59%
Bren D. Higgins 0.23%
Ahmad A. Khan 0.18%
Brian Lorig 0.06%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
VANGUARD CAPITAL MANAGEMENT LLC
13F 13D/G
Company · Vanguard Capital Management
7.5%
from 13D/G
$25,743,034,647
85,323,770 shares
30 Jun 2026
Richard P. Wallace
3/4/5
President and CEO
0.59%
$154,970,819
778,944 shares
-$48,499,996 11 Aug 2026
Bren D. Higgins
3/4/5
EVP & Chief Financial Officer
0.23%
$64,601,225
307,815 shares
-$16,759,004 12 Aug 2026
Ahmad A. Khan
3/4/5
President, Semi. Prod. & Cust.
0.18%
$47,359,051
238,045 shares
-$10,708,761 11 Aug 2026
Brian Lorig
3/4/5
EVP, KLA Global Services
0.06%
$16,167,765
77,681 shares
-$12,401,634 13 Aug 2026
Mary Beth Wilkinson
3/4/5
EVP, CLO and Secretary
0.03%
$7,575,272
37,032 shares
-$12,280,132 10 Aug 2026
Robert M. Calderoni
3/4/5
Director
0.01%
$18,506,272
15,230 shares
05 Feb 2026
Virendra A. Kirloskar
3/4/5
SVP & Chief Accounting Officer
0.01%
$2,708,791
13,242 shares
-$2,373,883 10 Aug 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$104,054,499.

Buys
$0
Insiders: 0
Sells
$104,054,499
Insiders: 7
Net
-$104,054,499
Shares: -332,207
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 332,207
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 309,227 $0 $74,477,904 -$74,477,904
3-6 0 5,359 $0 $9,683,685 -$9,683,685
6-9 0 2,254 $0 $2,788,221 -$2,788,221
9-12 0 15,367 $0 $17,104,689 -$17,104,689

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 22 reporting-owner rows connected to KLA CORP. Open a relationship link for the CIK-to-CIK filing trail.

Rows
22
Largest Forms 3/4/5 holder
Richard P. Wallace
Net 12M change
-$104,054,498
Latest report
13 Aug 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Richard P. Wallace President and CEO $154,970,819 -$48,499,996 -24% Filing P/S 11 Aug 2026
Bren D. Higgins EVP & Chief Financial Officer $64,601,225 -$16,759,004 -21% Filing P/S 12 Aug 2026
Ahmad A. Khan President, Semi. Prod. & Cust. $47,359,051 -$10,708,761 -18% Filing P/S 11 Aug 2026
Edward W. Barnholt Director $20,830,495 Mixed 10 Aug 2022
Robert M. Calderoni Director $18,506,272 Mixed 05 Feb 2026
Brian Lorig EVP, KLA Global Services $16,167,765 -$12,401,634 -43% Filing P/S 13 Aug 2026
Gary B. Moore Director $12,300,568 Mixed 06 Nov 2024
Emiko Higashi Director $12,086,119 Mixed 06 Nov 2024
Robert A. Rango Director $9,570,837 Mixed 06 Nov 2024
Kevin Kennedy Director $8,667,339 Mixed 05 Nov 2025
Oreste Donzella Executive Vice President $8,081,923 Mixed 28 Jun 2024
Mary Beth Wilkinson EVP, CLO and Secretary $7,575,272 -$12,280,132 -62% Filing P/S 10 Aug 2026
Kiran M. Patel Director $6,995,966 Mixed 02 Nov 2022
Jeneanne Michelle Hanley Director $6,656,578 -$1,031,088 -13% Filing P/S 11 May 2026
Victor Peng Director $6,272,848 Mixed 05 Nov 2025
Virendra A. Kirloskar SVP & Chief Accounting Officer $2,708,791 -$2,373,883 -47% Filing P/S 10 Aug 2026
Marie E. Myers Director $1,877,148 Mixed 01 Nov 2023
Michael R. McMullen Director $1,271,380 Mixed 05 Nov 2025
Jamie Samath Director $407,421 Mixed 05 Nov 2025
Susan J.s. Taylor Director $398,792 Mixed 05 Nov 2025

Recent insider transactions for KLA CORP

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Brian Lorig KLAC Common Stock Sale -43.4% $12,401,634 $208.13 -59,586 77,681 13 Aug 2026 Direct
Bren D. Higgins KLAC Common Stock Sale -9.28% $6,610,905 $209.87 -31,500 307,815 12 Aug 2026 Direct
Ahmad A. Khan KLAC Common Stock Sale -12.2% $6,601,161 $198.95 -33,180 238,045 11 Aug 2026 Direct
Richard P. Wallace KLAC Common Stock Sale -10.1% $17,421,654 $198.95 -87,568 778,944 11 Aug 2026 Direct
Mary Beth Wilkinson KLAC Common Stock Sale -4.29% $339,774 $204.56 -1,661 37,032 10 Aug 2026 Direct
Virendra A. Kirloskar KLAC Common Stock Sale -3.84% $108,212 $204.56 -529 13,242 10 Aug 2026 Direct
Brian Lorig KLAC Common Stock Tax liability -2.05% -2,876 137,267 07 Aug 2026 Direct
Mary Beth Wilkinson KLAC Common Stock Sale -36.1% $4,313,151 $197.57 -21,831 38,693 07 Aug 2026 Direct
Mary Beth Wilkinson KLAC Common Stock Tax liability -1.96% -1,208 60,524 07 Aug 2026 Direct
Ahmad A. Khan KLAC Common Stock Tax liability -1.64% -4,532 271,225 07 Aug 2026 Direct
Bren D. Higgins KLAC Common Stock Tax liability -1.32% -4,532 339,315 07 Aug 2026 Direct
Virendra A. Kirloskar KLAC Common Stock Sale -14.9% $475,156 $197.57 -2,405 13,771 07 Aug 2026 Direct
Virendra A. Kirloskar KLAC Common Stock Tax liability -3.12% -521 16,176 07 Aug 2026 Direct
Richard P. Wallace KLAC Common Stock Tax liability -1.45% -12,762 866,512 07 Aug 2026 Direct
Ahmad A. Khan KLAC Common Stock Tax liability -17.7% -52,647 244,256 06 Aug 2026 Direct
Ahmad A. Khan KLAC Common Stock Award 95.6% 149,896 306,732 06 Aug 2026 Direct
Brian Lorig KLAC Common Stock Tax liability -14.8% -22,243 127,544 06 Aug 2026 Direct
Brian Lorig KLAC Common Stock Award 73.7% 64,722 152,531 06 Aug 2026 Direct
Virendra A. Kirloskar KLAC Common Stock Tax liability -12.4% -2,365 16,697 06 Aug 2026 Direct
Virendra A. Kirloskar KLAC Common Stock Award 100.2% 9,540 19,062 06 Aug 2026 Direct
Bren D. Higgins KLAC Common Stock Tax liability -14.4% -52,647 312,347 06 Aug 2026 Direct
Bren D. Higgins KLAC Common Stock Award 66.6% 149,896 374,823 06 Aug 2026 Direct
Mary Beth Wilkinson KLAC Common Stock Tax liability -25.1% -15,875 47,265 06 Aug 2026 Direct
Mary Beth Wilkinson KLAC Common Stock Award 231.1% 50,427 72,252 06 Aug 2026 Direct
Richard P. Wallace KLAC Common Stock Tax liability -14.5% -133,948 791,178 06 Aug 2026 Direct
Richard P. Wallace KLAC Common Stock Award 122.6% 487,437 884,899 06 Aug 2026 Direct
Ahmad A. Khan KLAC Common Stock Award 15.8% 24,411 178,508 05 Aug 2026 Direct
Brian Lorig KLAC Common Stock Award 19.5% 15,961 97,663 05 Aug 2026 Direct
Virendra A. Kirloskar KLAC Common Stock Award 19.4% 1,549 9,522 05 Aug 2026 Direct
Bren D. Higgins KLAC Common Stock Award 11% 24,411 246,598 05 Aug 2026 Direct
Mary Beth Wilkinson KLAC Common Stock Award 22.9% 5,070 27,180 05 Aug 2026 Direct
Mary Beth Wilkinson KLAC Common Stock Sale -38.4% $2,698,291 $195.50 -13,802 22,110 05 Aug 2026 Direct
Virendra A. Kirloskar KLAC Common Stock Sale -36.1% $880,532 $195.50 -4,504 7,972 05 Aug 2026 Direct
Mary Beth Wilkinson KLAC Common Stock Sale -10.7% $822,879 $191.59 -4,295 35,912 04 Aug 2026 Direct
Mary Beth Wilkinson KLAC Common Stock Tax liability -20% -10,037 40,207 04 Aug 2026 Direct
Virendra A. Kirloskar KLAC Common Stock Sale -11.2% $299,838 $191.59 -1,565 12,476 04 Aug 2026 Direct
Virendra A. Kirloskar KLAC Common Stock Tax liability -24% -4,430 14,041 04 Aug 2026 Direct
Bren D. Higgins KLAC Common Stock Tax liability -11.7% -29,557 222,187 04 Aug 2026 Direct
Ahmad A. Khan KLAC Common Stock Tax liability -16.8% -31,037 154,097 04 Aug 2026 Direct
Brian Lorig KLAC Common Stock Tax liability -15.3% -14,775 81,702 04 Aug 2026 Direct
Richard P. Wallace KLAC Common Stock Tax liability -17.3% -109,738 525,785 04 Aug 2026 Direct
Ahmad A. Khan KLAC Common Stock Tax liability -3.76% -7,224 185,134 03 Aug 2026 Direct
Richard P. Wallace KLAC Common Stock Tax liability -2.97% -19,440 635,522 03 Aug 2026 Direct
Brian Lorig KLAC Common Stock Tax liability -3.29% -3,282 96,477 03 Aug 2026 Direct
Mary Beth Wilkinson KLAC Common Stock Tax liability -3.43% -1,785 50,243 03 Aug 2026 Direct
Bren D. Higgins KLAC Common Stock Tax liability -2.79% -7,224 251,744 03 Aug 2026 Direct
Virendra A. Kirloskar KLAC Common Stock Tax liability -3.8% -730 18,471 03 Aug 2026 Direct
Ahmad A. Khan KLAC Common Stock Tax liability -2.29% -4,504 192,358 01 Aug 2026 Direct
Richard P. Wallace KLAC Common Stock Tax liability -1.98% -13,213 654,963 01 Aug 2026 Direct
Brian Lorig KLAC Common Stock Tax liability -2.92% -3,005 99,759 01 Aug 2026 Direct
* marks a reported price that did not pass the local price check.
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