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KLACInformation TechnologyCommon Stock

Kla Corp

Held by 17 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 482480100 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

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In plain English: 17 of the investors we track own this stock. In the latest quarter, 16 of them bought more of it and 2 sold some or all of theirs (2 bought it for the first time). That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
17
0 vs last quarter (like-for-like)
Total value held
$10.16B
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.7%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
+$2.19B
+105.7% vs last quarter
Net shares bought
+12.7M
Est. net flow +$3.82B
Quarter activity
16 bought · 2 sold
2 new · 2 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns KLAC?

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Who owns KLAC? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↓ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
2 Parnassus Investments Parnassus Investments LLC 4.40M $1.33B 3.5% Added +3.9M +717.9% +$1.17B
3 Jeremy Grantham GMO 3.89M $1.17B 2.6% Added +3.4M +744.3% +$1.04B
4 Ken Griffin Citadel Advisors 2.54M $766.67M 0.4% Added +2.5M +6607.7% +$755.24M
7 Ray Dalio Bridgewater Associates 328.07K $98.98M 0.4% Added +219.4K +201.9% +$66.19M
8 Ken Fisher Fisher Asset Management 327.07K $98.68M 0.0% Added +296.7K +975.6% +$89.51M
9 Fred Alger Fred Alger Management 317.56K $95.81M 0.3% Added +285.3K +883.6% +$86.07M
10 Boston Partners Boston Partners Global Investors 181.41K $54.58M 0.0% Added +124.8K +220.6% +$37.56M
11 Israel Englander Millennium Management 177.89K $53.67M 0.0% Added +152.6K +603.9% +$46.05M
12 Mawer Mawer Investment Management 106.80K $32.22M 0.2% Added +97.4K +1034.2% +$29.38M
13 Tom Marsico Marsico Capital Management 89.32K $26.95M 0.7% Added +55.7K +166.1% +$16.82M
14 Two Sigma Two Sigma Investments 86.57K $26.12M 0.0% Added +82.4K +1961.2% +$24.85M
15 David Shaw D.E. Shaw & Co. 80.22K $24.20M 0.0% Added +30.5K +61.5% +$9.22M
16 Torray Torray Investment Partners 36.89K $11.13M 1.5% Added +32.5K +737.5% +$9.80M
17 LSV Asset Management LSV Asset Management 2.00K $603.00K 0.0% Added +1.8K +900.0% +$542.70K

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Manager Fund Shares sold Value last quarter ↓
Dan Loeb Third Point -11.0K $16.20M
Steve Cohen Point72 Asset Management -980 $1.44M

Politician trades

Politician trades in KLAC

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Politician Date Ticker Asset Type Reported range ⓘThe dollar range the politician reported. Exact amounts are not disclosed. Est. size ⓘOur estimate only: the midpoint of the reported range. Owner Account ⓘSubholding Of: the account the trade was in, as named on the report (e.g. an IRA or a brokerage account). The same stock bought on the same day in different accounts is a separate trade in each account. Filed ↓ Filing delay ⓘDays between the trade and the report. Over 45 days is late under the STOCK Act. Source
Michael A. Rulli Politician Jul 1, 2026 KLAC KLA Corporation - Common Stock (KLAC) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self Merrill Lynch Managed Account Aug 7, 2026 37 days PTR ↗
John James Politician Sep 4, 2024 KLAC KLA Corporation - Common Stock (KLAC) [ST] Sale $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self John A. James Children’s Trust Sep 6, 2024 2 days PTR ↗
John James Politician Nov 10, 2023 KLAC KLA Corporation - Common Stock (KLAC) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self John A. James Children’s Trust Sep 2, 2024 297 days Late PTR ↗
John James Politician Jun 26, 2024 KLAC KLA Corporation - Common Stock (KLAC) [ST] Sale (partial) $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self John A. James Children’s Trust Sep 2, 2024 68 days Late PTR ↗