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

VANGUARD CAPITAL MANAGEMENT LLC

Comparable rows

50/50

Latest evidence

12 May 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 2 signals
Latest 13D/G holder
VANGUARD CAPITAL MANAGEMENT LLC
Latest parsed ownership date
12 May 2026
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
VANGUARD CAPITAL MANAGEME...
Comparable rows
50/50
Latest evidence
12 May 2026
13D/G 13F 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 0.06%
Bren D. Higgins 0.02%
Ahmad A. Khan 0.02%
Robert M. Calderoni 0.01%

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
13D/G 13F
Vanguard Capital Management · Company
7.5%
$19,006,384,635
9,822,421 shares
$0 31 Mar 2026
Richard P. Wallace
3/4/5
President and CEO
0.06%
$136,155,644
75,895 shares
-$30,960,275 12 May 2026
Bren D. Higgins
3/4/5
EVP & Chief Financial Officer
0.02%
$39,775,314
32,154 shares
-$4,809,718 16 Dec 2025
Ahmad A. Khan
3/4/5
President, Semi. Prod. & Cust.
0.02%
$24,509,299
22,723 shares
-$16,198,254 12 Nov 2025
Robert M. Calderoni
3/4/5
Director
0.01%
$18,506,272
15,230 shares
05 Feb 2026
Brian Lorig
3/4/5
EVP, KLA Global Services
0.01%
$10,488,138
11,479 shares
-$7,354,210 12 Aug 2025
Kevin Kennedy
3/4/5
Director
0.01%
$8,667,339
8,036 shares
05 Nov 2025
Mary Beth Wilkinson
3/4/5
EVP, CLO and Secretary
0.01%
$7,123,140
7,802 shares
-$4,554,277 08 Aug 2025
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: -$66,564,802.

Buys
$0
Insiders: 0
Sells
$66,564,802
Insiders: 7
Net
-$66,564,802
Shares: -64,080
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 64,080
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 5,359 $0 $9,683,685 -$9,683,685
3-6 0 2,254 $0 $2,788,221 -$2,788,221
6-9 0 10,803 $0 $12,997,089 -$12,997,089
9-12 0 45,664 $0 $41,095,806 -$41,095,806

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
-$66,564,800
Latest report
12 May 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Richard P. Wallace President and CEO $136,155,644 -$30,960,275 -19% Filing P/S 12 May 2026
Bren D. Higgins EVP & Chief Financial Officer $39,775,314 -$4,809,718 -11% Filing P/S 16 Dec 2025
Ahmad A. Khan President, Semi. Prod. & Cust. $24,509,299 -$16,198,254 -40% Mixed 12 Nov 2025
Edward W. Barnholt Director $20,830,495 Mixed 10 Aug 2022
Robert M. Calderoni Director $18,506,272 Mixed 05 Feb 2026
Gary B. Moore Director $12,300,568 Mixed 06 Nov 2024
Emiko Higashi Director $12,086,119 Mixed 06 Nov 2024
Brian Lorig EVP, KLA Global Services $10,488,138 -$7,354,210 -41% Filing P/S 12 Aug 2025
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 $7,123,140 -$4,554,277 -39% Filing P/S 08 Aug 2025
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 $3,678,164 -$1,656,978 -31% Filing P/S 11 May 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
Richard P. Wallace KLAC Common Stock Sale -5.61% $8,094,528 $1794.00 -4,512 75,895 12 May 2026 Direct
Virendra A. Kirloskar KLAC Common Stock Sale -13.2% $558,069 $1879.02 -297 1,957 11 May 2026 Direct
Jeneanne Michelle Hanley KLAC Common Stock Sale -13.4% $1,031,088 $1874.71 -550 3,551 11 May 2026 Direct
Robert Calderoni KLAC Common Stock Award 0.31% 11.27 3,701 05 Feb 2026 Direct
Bren D. Higgins KLAC Common Stock Sale -6.55% $2,788,221 $1237.01 -2,254 32,154 16 Dec 2025 Direct
Ahmad A. Khan KLAC Common Stock Gift -0.37% -85 22,723 12 Nov 2025 Direct
Richard P. Wallace KLAC Common Stock Gift -0.99% -804 80,407 11 Nov 2025 Direct
Richard P. Wallace KLAC Common Stock Sale -11.7% $12,997,089 $1203.10 -10,803 81,211 11 Nov 2025 Direct
Jeneanne Michelle Hanley KLAC Common Stock Award 5.23% 204 4,101 05 Nov 2025 Direct
Jason Conley KLAC Common Stock Award 204 204 05 Nov 2025 Direct
Tracy A. Embree KLAC Common Stock Award 204 204 05 Nov 2025 Direct
Susan J.s. Taylor KLAC Common Stock Award 122.7% 204 370 05 Nov 2025 Direct
Michael R. McMullen KLAC Common Stock Award 20.9% 204 1,179 05 Nov 2025 Direct
Jamie Samath KLAC Common Stock Award 117.1% 204 378 05 Nov 2025 Direct
Robert Calderoni KLAC Common Stock Award 7.48% 257 3,690 05 Nov 2025 Direct
Victor Peng KLAC Common Stock Award 13.2% 204 1,751 05 Nov 2025 Direct
Kevin Kennedy KLAC Common Stock Award 6.77% 204 3,215 05 Nov 2025 Direct
Ahmad A. Khan KLAC Common Stock Sale -16.7% $4,107,600 $900.00 -4,564 22,808 05 Sep 2025 Direct
Ahmad A. Khan KLAC Common Stock Sale -33.4% $12,090,654 $881.50 -13,716 27,372 29 Aug 2025 Direct
Bren D. Higgins KLAC Common Stock Sale -6.27% $2,021,498 $878.53 -2,301 34,408 20 Aug 2025 Direct
Brian Lorig KLAC Common Stock Sale -41.2% $7,354,210 $913.68 -8,049 11,479 12 Aug 2025 Direct
Richard P. Wallace KLAC Common Stock Gift -0.87% -804 92,014 12 Aug 2025 Direct
Richard P. Wallace KLAC Common Stock Sale -10.4% $9,868,658 $913.68 -10,801 92,818 12 Aug 2025 Direct
Mary Beth Wilkinson KLAC Common Stock Sale -11.6% $933,086 $913.00 -1,022 7,802 08 Aug 2025 Direct
Virendra A. Kirloskar KLAC Common Stock Sale -13% $308,594 $913.00 -338 2,254 08 Aug 2025 Direct
Mary Beth Wilkinson KLAC Common Stock Tax liability -12.8% -767 5,214 07 Aug 2025 Direct
Mary Beth Wilkinson KLAC Common Stock Award 439.3% 7,188 8,824 07 Aug 2025 Direct
Richard P. Wallace KLAC Common Stock Tax liability -9.65% -8,979 84,076 07 Aug 2025 Direct
Richard P. Wallace KLAC Common Stock Award 116.5% 55,762 103,619 07 Aug 2025 Direct
Brian Lorig KLAC Common Stock Tax liability -6.99% -1,109 14,745 07 Aug 2025 Direct
Brian Lorig KLAC Common Stock Award 90.1% 9,254 19,528 07 Aug 2025 Direct
Virendra A. Kirloskar KLAC Common Stock Tax liability -13.3% -332 2,175 07 Aug 2025 Direct
Virendra A. Kirloskar KLAC Common Stock Award 210.7% 1,758 2,592 07 Aug 2025 Direct
Ahmad A. Khan KLAC Common Stock Tax liability -6.93% -2,328 31,270 07 Aug 2025 Direct
Ahmad A. Khan KLAC Common Stock Award 87.8% 19,209 41,088 07 Aug 2025 Direct
Bren D. Higgins KLAC Common Stock Tax liability -7.62% -2,217 26,891 07 Aug 2025 Direct
Bren D. Higgins KLAC Common Stock Award 104.5% 18,762 36,709 07 Aug 2025 Direct
Richard P. Wallace KLAC Common Stock Tax liability -17.2% -11,792 56,836 05 Aug 2025 Direct
Brian Lorig KLAC Common Stock Tax liability -10% -1,270 11,383 05 Aug 2025 Direct
Bren D. Higgins KLAC Common Stock Tax liability -13% -3,017 20,165 05 Aug 2025 Direct
Ahmad A. Khan KLAC Common Stock Tax liability -12.1% -3,334 24,207 05 Aug 2025 Direct
Mary Beth Wilkinson KLAC Common Stock Sale -44.4% $1,760,640 $917.00 -1,920 2,403 05 Aug 2025 Direct
Mary Beth Wilkinson KLAC Common Stock Tax liability -25% -1,440 4,323 05 Aug 2025 Direct
Virendra A. Kirloskar KLAC Common Stock Sale -30.5% $468,587 $917.00 -511 1,167 05 Aug 2025 Direct
Virendra A. Kirloskar KLAC Common Stock Tax liability -21.1% -448 1,678 05 Aug 2025 Direct
Mary Beth Wilkinson KLAC Common Stock Sale -11.7% $684,220 $896.75 -763 5,763 04 Aug 2025 Direct
Mary Beth Wilkinson KLAC Common Stock Tax liability -3.77% -255 6,526 04 Aug 2025 Direct
Richard P. Wallace KLAC Common Stock Tax liability -2.83% -1,995 68,628 04 Aug 2025 Direct
Brian Lorig KLAC Common Stock Tax liability -2.84% -369 12,653 04 Aug 2025 Direct
Virendra A. Kirloskar KLAC Common Stock Sale -13.1% $286,960 $896.75 -320 2,126 04 Aug 2025 Direct
* marks a reported price that did not pass the local price check.
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