KLA KLAC
KLA is the 58th largest S&P 500 company by market cap, worth $190 billion. 9 directors have filed with the SEC in the last 12 months (who counts). 6 officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 10.6% of the company.
- CEO
- Richard P. Wallace
- Sector
- Information Technology
- Sub-industry
- Semiconductor Materials & Equipment
- Headquarters
- Milpitas, California
- Founded
- 1975
- More
- Wikipedia
- Market cap
- $190B
- 58th largest, 23 Oct 2026 close
- Price to sales
- 14.0
- Market cap over revenue
- Market cap per employee
- $11M
- Market cap over employees
- Connections
- 9
- S&P 500 companies sharing a director or officer
Largest institutional holders
Each fund group's share of KLA. Where a company has several share classes, the share is of its total value.
13F filings for the quarter to 30 Jun 2026
Board and officers
9 people here also hold roles at other S&P 500 companies.
Roles filed up to 30 Sep 2026
| Name | Title |
|---|---|
| Directors (9) | |
| Robert CalderoniDirectorAlso at Hewlett Packard EnterpriseLast filed 6 Feb 2026 | |
| Jason ConleyDirectorAlso at Roper TechnologiesLast filed 7 Nov 2025 | |
| Tracy A. EmbreeDirectorAlso at Lennox InternationalLast filed 7 Nov 2025 | |
| Jeneanne Michelle HanleyDirector | |
| Kevin KennedyDirectorAlso at Digital RealtyLast filed 7 Nov 2025 | |
| Michael R. McMullenDirectorAlso at Bristol Myers SquibbLast filed 7 Nov 2025 | |
| Victor PengDirectorAlso at Microchip TechnologyLast filed 7 Nov 2025 | |
| Jamie SamathDirectorAlso at Intuitive SurgicalLast filed 7 Nov 2025 | |
| Susan J.S. TaylorDirectorAlso at EverpureLast filed 7 Nov 2025 | |
| Officers (6) | |
| Richard P. WallacePresident and CEOAlso at Marvell TechnologyLast filed 16 Sep 2026 | |
| Bren D. HigginsEVP & Chief Financial OfficerLast filed 13 Aug 2026 | |
| Ahmad A. KhanPresident, Semi. Prod. & CustLast filed 12 Aug 2026 | |
| Virendra A. KirloskarSVP & Chief Accounting OfficerLast filed 11 Aug 2026 | |
| Brian LorigEVP, KLA Global ServicesLast filed 14 Aug 2026 | |
| Mary Beth WilkinsonEVP, CLO and SecretaryLast filed 11 Aug 2026 | |
Companies that share people with KLA
Each person's title here, then at the other company.
- Bristol Myers Squibb BMY
- Michael R. McMullen: Director here, Director there
- Digital Realty DLR
- Kevin Kennedy: Director here, Director there
- Everpure P
- Susan J.S. Taylor: Director here, Director there
- Hewlett Packard Enterprise HPE
- Robert Calderoni: Director here, Director there
- Intuitive Surgical ISRG
- Jamie Samath: Director here, EVP & CFO & Enterprise Technol there
- Lennox International LII
- Tracy A. Embree: Director here, Director there
- Marvell Technology MRVL
- Richard P. Wallace: President and CEO here, Director there
- Microchip Technology MCHP
- Victor Peng: Director here, Director there
- Roper Technologies ROP
- Jason Conley: Director here, EVP, Chief Financial Officer there
KLA's market cap since December 2008
Weekly, up to 23 Oct 2026
| Week ending | Market cap |
|---|---|
| 23 Oct 2026 | $190B |
| 26 Dec 2025 | $168B |
| 27 Dec 2024 | $86.3B |
| 29 Dec 2023 | $79.0B |
| 30 Dec 2022 | $53.4B |
| 31 Dec 2021 | $65.2B |
| 25 Dec 2020 | $40.0B |
| 27 Dec 2019 | $28.2B |
| 28 Dec 2018 | $13.6B |
| 29 Dec 2017 | $16.5B |
| 30 Dec 2016 | $12.3B |
| 25 Dec 2015 | $10.8B |
| 26 Dec 2014 | $11.8B |
| 27 Dec 2013 | $10.7B |
| 28 Dec 2012 | $7.8B |
| 30 Dec 2011 | $8.0B |
| 31 Dec 2010 | $6.5B |
| 25 Dec 2009 | $6.4B |
| 26 Dec 2008 | $3.5B |
Download KLA's data as JSON, with the weekly market caps in billions of dollars from 5 Dec 2008.
Workforce
Headcount at 30 Jun 2026
- Employees
- 17,200
Insider trades
Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.
Trades from 30 Sep 2025 to 30 Sep 2026
Directors and officers sold $112 million of stock in 22 sales and made no open-market purchases in the 12 months to 30 Sep 2026.
| Date | Person | Value |
|---|---|---|
| 15 Sep 2026Sale | Richard P. WallacePresident and CEO | $12M |
| 13 Aug 2026Sale | Brian LorigEVP, KLA Global Services | $12M |
| 12 Aug 2026Sale | Bren D. HigginsEVP & Chief Financial Officer | $6.6M |
| 11 Aug 2026Sale | Richard P. WallacePresident and CEO | $17M |
| 11 Aug 2026Sale | Ahmad A. KhanPresident, Semi. Prod. & Cust | $6.6M |
| 10 Aug 2026Sale | Mary Beth WilkinsonEVP, CLO and Secretary | $340K |
| 10 Aug 2026Sale | Virendra A. KirloskarSVP & Chief Accounting Officer | $108K |
| 7 Aug 2026Sale | Mary Beth WilkinsonEVP, CLO and Secretary | $4.3M |
| 7 Aug 2026Sale | Virendra A. KirloskarSVP & Chief Accounting Officer | $475K |
| 5 Aug 2026Sale | Mary Beth WilkinsonEVP, CLO and Secretary | $2.7M |
Showing 10 of 22 trades
Trades by members of Congress and officials
Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.
Trades from 20 Oct 2023 to 20 Oct 2026
13 people disclosed 19 purchases and 15 sales of KLA stock since October 2023.
| Date | Member or official | Amount |
|---|---|---|
| 23 Sep 2026 | Rohit KhannaHouse, D-CA 路 Bought | $1K to $15K |
| 1 Jul 2026 | Michael RulliHouse, R-OH 路 Bought | $1K to $15K |
| 23 Jun 2026 | Donald J TrumpPresident 路 Bought | $50K to $100K |
| 10 Jun 2026 | Markwayne MullinSecretary 路 Sold | $250K to $500K |
| 15 Apr 2026 | Donald J TrumpPresident 路 Bought | $15K to $50K |
| 9 Apr 2026 | Donald J TrumpPresident 路 Sold | $250K to $500K |
| 8 Apr 2026 | Elizabeth FletcherHouse, D-TX 路 Sold | $1K to $15K |
| 27 Mar 2026 | Alan ArmstrongSenate, R-OK 路 Bought | $1K to $15K |
| 23 Mar 2026 | Donald J TrumpPresident 路 Bought | $1K to $15K |
| 17 Mar 2026 | Donald J TrumpPresident 路 Bought | $1K to $15K |
Showing 10 of 34 trades
Not on file: no WARN layoff notices under its own name since October 2023.