Stocks › KLAC

KLA CORP

KLAC·Nasdaq·United States United States·USD
$197.46
-9.39 (-4.54%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
KLAC
KLA CORP · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
KLACS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair

Congressional Trades

Recent trades of KLAC by members of U.S. Congress · 119 on record · 10 in the last 12 months
All congressional trades →
PoliticianStockTypeFiledTraded
Michael A. RulliMichael A. RulliHouse · R · OH KLACKLA CORP · Stock Purchase
$1,001 - $15,000
Aug 7, 2026 Jul 1, 2026 Filing ↗
Tommy TubervilleTommy TubervilleSenate · R · AL KLACKLA CORP · Stock Sale
$1,001 - $15,000
Aug 5, 2026 May 3, 2024 Filing ↗
Alan ArmstrongAlan ArmstrongSenate · R · OK KLACKLA CORP · Stock Purchase
$1,001 - $15,000
Jul 21, 2026 Mar 27, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · Common Stock Sale
$1,001 - $15,000
May 11, 2026 Apr 24, 2026 Filing ↗
Lizzie FletcherLizzie FletcherHouse · D · TX KLACKLA CORP · Stock Sale
$1,001 - $15,000
May 1, 2026 Apr 8, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · Common Stock Sale
$1,001 - $15,000
Apr 7, 2026 Mar 23, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · Stock Purchase
$15,001 - $50,000
Apr 7, 2026 Mar 18, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · Stock Purchase
$1,001 - $15,000
Mar 9, 2026 Feb 5, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · Common Stock Purchase
$1,001 - $15,000
Feb 6, 2026 Jan 29, 2026 Filing ↗
Val T. HoyleVal T. HoyleHouse · D · OR KLACKLA CORP · Stock Sale
$1,001 - $15,000
Oct 10, 2025 Sep 23, 2025 Filing ↗
Val T. HoyleVal T. HoyleHouse · D · OR KLACKLA CORP · Stock Sale
$1,001 - $15,000
Sep 12, 2025 Apr 29, 2025 Filing ↗
Val T. HoyleVal T. HoyleHouse · D · OR KLACKLA CORP · Stock Purchase
$1,001 - $15,000
Sep 12, 2025 Oct 29, 2024 Filing ↗
Val T. HoyleVal T. HoyleHouse · D · OR KLACKLA CORP · Stock Purchase
$1,001 - $15,000
Sep 12, 2025 Jul 28, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · Common Stock Purchase
$1,001 - $15,000
May 12, 2025 Apr 23, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · Stock Purchase
$1,001 - $15,000
May 12, 2025 Apr 15, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · Common Stock Purchase
$1,001 - $15,000
May 12, 2025 Apr 9, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · Common Stock Sale
$1,001 - $15,000
Mar 6, 2025 Feb 25, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · CMN Purchase
$1,001 - $15,000
Mar 6, 2025 Feb 19, 2025 Filing ↗
William R. KeatingWilliam R. KeatingHouse · D · MA KLACKLA CORP · Stock Purchase
$1,001 - $15,000
Feb 25, 2025 Jan 24, 2025 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA KLACKLA CORP · Stock Sale
$1,001 - $15,000
Feb 11, 2025 Jan 13, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · Common Stock Purchase
$1,001 - $15,000
Feb 6, 2025 Jan 22, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · Common Stock Sale
$1,001 - $15,000
Feb 6, 2025 Jan 17, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · Common Stock Sale
$1,001 - $15,000
Dec 5, 2024 Nov 15, 2024 Filing ↗
John JamesJohn JamesHouse · R · MI KLACKLA CORP · Stock Sale
$1,001 - $15,000
Sep 6, 2024 Sep 4, 2024 Filing ↗
Ro KhannaRo KhannaHouse · D · CA KLACKLA CORP · Common Stock Purchase
$1,001 - $15,000
Sep 6, 2024 Aug 5, 2024 Filing ↗

Whale Activity

Position changes in KLAC reported for 2026-09-30 by 6 tracked institutional filers
No prior filing: 6
  • Increased0
  • New0
  • Held0
  • Decreased0
  • Closed0
  • No prior filing6

KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.

Insider Trading

Net shares bought (+) or sold (−) on the open market by KLAC insiders, by quarter · Form 4
-500.0K-250.0K0250.0K500.0K2025 Q1: -7,0082025 Q12025 Q2: -13.1K2025 Q22025 Q3: -44.3K2025 Q32025 Q4: -13.1K2025 Q42026 Q1: 02026 Q12026 Q2: -9,8712026 Q22026 Q3: -376.7K2026 Q32026 Q4: 02026 Q4

Recent Insider Transactions

2,743 transactions on record · newest first
All insider activity →
InsiderTypeSharesPriceValueDate
WALLACE RICHARD PPresident and CEO Sale −72.0K $171.88 $12.4M Sep 15, 2026 Form 4 ↗
Lorig BrianEVP, KLA Global Services Sale −59.6K $208.13 $12.4M Aug 13, 2026 Form 4 ↗
Higgins Bren D.EVP & Chief Financial Officer Sale −31.5K $209.87 $6.6M Aug 12, 2026 Form 4 ↗
Khan Ahmad A.President, Semi. Prod. & Cust. Sale −33.2K $198.95 $6.6M Aug 11, 2026 Form 4 ↗
WALLACE RICHARD PPresident and CEO Sale −87.6K $198.95 $17.4M Aug 11, 2026 Form 4 ↗
Kirloskar Virendra ASVP & Chief Accounting Officer Sale −529 $204.56 $108K Aug 10, 2026 Form 4 ↗
Wilkinson Mary BethEVP, CLO and Secretary Sale −1,661 $204.56 $340K Aug 10, 2026 Form 4 ↗
Wilkinson Mary BethEVP, CLO and Secretary Sale −21.8K $197.57 $4.3M Aug 7, 2026 Form 4 ↗
Kirloskar Virendra ASVP & Chief Accounting Officer Sale −2,405 $197.57 $475K Aug 7, 2026 Form 4 ↗
Wilkinson Mary BethEVP, CLO and Secretary Sale −13.8K $195.50 $2.7M Aug 5, 2026 Form 4 ↗
Kirloskar Virendra ASVP & Chief Accounting Officer Sale −4,504 $195.50 $881K Aug 5, 2026 Form 4 ↗
Wilkinson Mary BethEVP, CLO and Secretary Sale −4,295 $191.59 $823K Aug 4, 2026 Form 4 ↗
Kirloskar Virendra ASVP & Chief Accounting Officer Sale −1,565 $191.59 $300K Aug 4, 2026 Form 4 ↗
Higgins Bren D.EVP & Chief Financial Officer Sale −27.7K $265.69 $7.4M Jul 2, 2026 Form 4 ↗
Kirloskar Virendra ASVP & Chief Accounting Officer Sale −196 $265.69 $52K Jul 2, 2026 Form 4 ↗
Wilkinson Mary BethEVP, CLO and Secretary Sale −14.4K $285.30 $4.1M Jul 1, 2026 Form 4 ↗
WALLACE RICHARD PPresident and CEO Sale −4,512 $2213.37 $10.0M Jun 11, 2026 Form 4 ↗
WALLACE RICHARD PPresident and CEO Sale −4,512 $1794.00 $8.1M May 12, 2026 Form 4 ↗
Kirloskar Virendra ASVP & Chief Accounting Officer Sale −297 $1879.02 $558K May 11, 2026 Form 4 ↗
Hanley Jeneanne MichelleDirector Sale −550 $1874.71 $1.0M May 11, 2026 Form 4 ↗

Fund Holders

Mutual funds and ETFs holding KLAC · SEC Form N-PORT
FundSharesValue% of fundAs of
VANGUARD TOTAL STOCK MARKET INDEX FUND
VANGUARD INDEX FUNDS
41.5M$12.51B0.54%Jun 30, 2026
VANGUARD 500 INDEX FUND
VANGUARD INDEX FUNDS
33.8M$10.21B0.61%Jun 30, 2026
Invesco QQQ Trust, Series 127.7M$8.37B1.71%Jun 30, 2026
iShares Core S&P 500 ETF
iShares Trust
18.0M$5.42B0.61%Jun 30, 2026
State Street(R) SPDR(R) S&P 500(R) ETF Trust15.8M$4.77B0.61%Jun 30, 2026
VanEck Semiconductor ETF
VanEck ETF Trust
14.3M$4.30B5.57%Jun 30, 2026
VANGUARD GROWTH INDEX FUND
VANGUARD INDEX FUNDS
13.9M$4.18B1.10%Jun 30, 2026
American Funds Fundamental Investors12.9M$3.89B2.15%Jun 30, 2026
VANGUARD PRIMECAP FUND
VANGUARD CHESTER FUNDS
12.2M$3.70B3.85%Jun 30, 2026
Fidelity 500 Index Fund
Fidelity Concord Street Trust
1.7M$3.22B0.39%May 31, 2026

Mutual funds and ETFs whose N-PORT filings list KLAC's shares (CUSIP 482480100), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.

Activist & Passive Stakes

Schedule 13D / 13G beneficial-ownership filings

No 13D/13G beneficial-ownership filings on record.

Corporate Lobbying

Estimated quarterly lobbying spending reported under the LDA, filings naming kla as client
$0$500K$1.0M$1.5M$2.0M2023 Q1: $310K2023 Q2: $220K2023 Q3: $140K2023 Q4: $210K20232024 Q1: $370K2024 Q2: $300K2024 Q3: $500K2024 Q4: $410K20242025 Q1: $370K2025 Q2: $730K2025 Q3: $320K2025 Q4: $220K20252026 Q1: $380K2026 Q2: $350K2026
  • FRANKLIN SQUARE GROUP, LLCKLA CORPORATION · 2026 Q2 · CPI, TRD, TAX$60K
    Filing ↗
  • FRANKLIN SQUARE GROUP, LLCKLA CORPORATION · 2026 Q1 · CPI, TRD, TAX$60K
    Filing ↗
  • KLA CORPORATIONKLA CORPORATION · 2026 Q2 · TRD, TAX$290K
    Filing ↗
  • FRANKLIN SQUARE GROUP, LLCKLA CORPORATION · 2026 Q1 · CPI, TRD, TAX$60K
    Filing ↗
  • KLA CORPORATIONKLA CORPORATION · 2026 Q1 · TRD, TAX$260K
    Filing ↗

Government Contracts

Federal awards to kla · USAspending
$36KAwarded · 1 contract on record
  • National Aeronautics and Space AdministrationMAINTENANCE CONTRACT AND HEALTH CHECK FOR 2 PROFILOMETER SYSTEMS IN DDL$36K
    Jun 3, 2026 · ↗

U.S. Patents

Recent USPTO applications naming KLA CORP

No USPTO patent applications found for KLA CORP.

Annual Financials

From KLAC's 10-K filings · XBRL
Fiscal yearFY2026FY2025FY2024FY2023FY2022
Revenue$13.58B$12.16B$9.81B$10.50B$9.21B
Net income$4.83B$4.06B$2.76B$3.39B$3.32B
Diluted EPS$3.66$3.04$2.03$24.15$21.92
Operating cash flow$4.14B$4.08B$3.31B$3.67B$3.31B
Cash and equivalents$1.65B$2.08B$1.98B$1.93B$1.58B
Total assets$17.95B$16.07B$15.43B$14.07B$12.60B
Total liabilities$11.60B$11.38B$12.07B$11.15B$11.20B
Shareholders' equity$6.35B$4.69B$3.37B$2.92B$1.40B

As KLA CORP tagged them in its 10-K filings: totals for the year on the income and cash-flow lines, values at the year's end on the balance-sheet lines. Latest 10-K, filed Aug 6, 2026 ↗

Stock Splits

Every split and reverse split in the price history
  • 10-for-1Stock splitJun 12, 2026
  • 2-for-1Stock splitJan 19, 2000
  • 2-for-1Stock splitOct 2, 1995

Split dates and ratios from the price history · Close Prices from Tiingo.com

Material Events (8-K)

Corporate events filed with the SEC
  • 8-K · Items 8.01, 9.01Other eventsAug 6, 2026
    EDGAR ↗
  • 8-K · Items 2.02, 9.01Results of operationsJul 28, 2026
    EDGAR ↗
  • 8-K · Items 5.03, 9.01Bylaw amendmentJun 12, 2026
    EDGAR ↗
  • 8-K · Items 8.01, 9.01Other eventsMay 7, 2026
    EDGAR ↗

About KLA CORP

From SEC EDGAR company records

The Company KLA Corporation and its majority-owned subsidiaries (“KLA” or the “Company,” and also referred to as “we,” “our,” “us” or similar references) are suppliers of industry-leading equipment and services that enable innovation throughout the electronics industry. We provide advanced process control and process-enabling solutions for manufacturing wafers, reticles/masks, chemicals/materials, integrated circuits (“ICs” or “chips”), packaged ICs and printed circuit boards (“PCBs”), as well as comprehensive support and services across our installed base. Our suite of advanced products, coupled with our unique process control software and services, allows us to deliver solutions that help…

Industry (SIC 3827)Optical Instruments & Lenses
SectorTechnology
HeadquartersMILPITAS, CA
IncorporatedDE
Former namesKLA TENCOR CORP, KLA INSTRUMENTS CORP