Position in KLAC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$134,815,331
+$133,795,879 QoQ
Shares Held
91,561
+10813.1% QoQ
Ownership
0.070%
of shares outstanding
% of Portfolio
0.19%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2021
14 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in KLAC Over Time
Shares Held
Position Value (USD)
Derivatives in KLAC
reported options exposure · as of Dec 31, 2025CallValue
$0
CallShares
0
PutValue
$85,055,600
PutShares
70,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Semiconductor Equipment & Materials
Technology · as of Mar 31, 2026MARSHALL WACE, LLP holds $1,190,761,488 across 28 Semiconductor Equipment & Materials names. KLAC ranks #3 (11.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
1,118,292 | $382,221,022 | |
| 2 | ASML |
Asml Holding NV
|
220,573 | $291,339,434 | |
| 3 | KLAC |
Kla Corp
This page
|
91,561 | $134,815,331 | |
| 4 | ONTO |
Onto Innovation Inc.
|
483,070 | $99,063,163 | |
| 5 | ENTG |
Entegris Inc
|
402,113 | $47,143,727 | |
| 6 | Q |
Qnity Electronics, Inc.
|
340,353 | $39,269,928 | |
| 7 | TER |
Teradyne, Inc
|
131,000 | $38,836,260 | |
| 8 | ICHR |
Ichor Holdings, Ltd.
|
688,822 | $32,105,992 |
All Filings in KLAC
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $134,815,331 | 91,561 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $1,019,452 | 839 | Shares | Other | 2026-02-13 | |
| 2025-12-31 | $85,055,600 | 70,000 | Put | Other | 2026-02-13 | |
| 2025-06-30 | $103,010,100 | 115,000 | Shares | Other | 2025-08-13 | |
| 2024-09-30 | $20,930,753 | 27,028 | Shares | Other | 2024-11-14 | |
| 2024-03-31 | $544,884 | 780 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $20,345,500 | 35,000 | Shares | Other | 2024-02-14 | |
| 2023-06-30 | $5,071,368 | 10,456 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $1,567,540 | 3,927 | Shares | Other | 2023-05-15 | |
| 2022-12-31 | $4,068,529 | 10,791 | Shares | Other | 2023-02-14 | |
| 2022-09-30 | $12,438,093 | 41,100 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $3,569,547 | 11,187 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $42,146,684 | 115,136 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $79,424,111 | 184,660 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $4,352,978 | 13,013 | Shares | Sole | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||