Position in KLAC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$73,137,548
+$25,099,362 QoQ
Shares Held
49,672
+25.6% QoQ
Ownership
0.038%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in KLAC Over Time
Shares Held
Position Value (USD)
Derivatives in KLAC
reported options exposure · as of Mar 31, 2026CallValue
$26,503,380
CallShares
18,000
PutValue
$0
PutShares
0
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, 2026D. E. Shaw & Co., Inc. holds $2,107,900,188 across 22 Semiconductor Equipment & Materials names. KLAC ranks #8 (3.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ASML |
Asml Holding NV
|
415,578 | $548,907,889 | |
| 2 | AMAT |
Applied Materials Inc /De
|
1,009,618 | $345,077,336 | |
| 3 | TER |
Teradyne, Inc
|
866,712 | $256,945,439 | |
| 4 | LRCX |
Lam Research Corp
|
946,616 | $202,253,973 | |
| 5 | ONTO |
Onto Innovation Inc.
|
722,578 | $148,179,070 | |
| 6 | Q |
Qnity Electronics, Inc.
|
960,820 | $110,859,411 | |
| 7 | UCTT |
Ultra Clean Holdings, Inc.
|
1,183,257 | $73,574,919 | |
| 8 | KLAC |
Kla Corp
This page
|
49,672 | $73,137,548 |
All Filings in KLAC
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $26,503,380 | 18,000 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $73,137,548 | 49,672 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $48,038,186 | 39,535 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $27,946,840 | 23,000 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $18,663,015 | 17,303 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $8,957,399 | 10,000 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $250,235,739 | 368,102 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $4,350,720 | 6,400 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $4,622,640 | 6,800 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $289,452,552 | 459,361 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $32,388,168 | 51,400 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $8,947,704 | 14,200 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $19,979,778 | 25,800 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $8,828,274 | 11,400 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $60,760,982 | 78,461 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $16,490,200 | 20,000 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $74,913,328 | 90,858 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $80,334,152 | 114,998 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $27,942,800 | 40,000 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $11,626,000 | 20,000 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $73,192,645 | 125,912 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $19,822,330 | 34,100 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $11,053,706 | 24,100 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $15,640,306 | 34,100 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $96,003,041 | 209,312 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $18,188,250 | 37,500 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $16,539,182 | 34,100 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $92,100,932 | 189,891 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $56,775,146 | 142,233 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $7,983,400 | 20,000 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $2,315,186 | 5,800 | Put | Defined | 2023-05-15 | |
| 2022-12-31 | $7,540,600 | 20,000 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $28,474,059 | 75,522 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $18,143,575 | 59,953 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $3,026,300 | 10,000 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $23,716,896 | 74,329 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $3,190,800 | 10,000 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $8,895,258 | 24,300 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $191,315,035 | 522,633 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $4,301,100 | 10,000 | Put | Defined | 2022-02-14 | |
| 2021-12-31 | $38,733,985 | 90,056 | Shares | Defined | 2022-02-14 | |
| 2021-12-31 | $27,656,073 | 64,300 | Call | Defined | 2022-02-14 | |
| 2021-09-30 | $3,345,100 | 10,000 | Put | Defined | 2021-11-15 | |
| 2021-09-30 | $1,155,397 | 3,454 | Shares | Defined | 2021-11-15 | |
| 2021-09-30 | $3,345,100 | 10,000 | Call | Defined | 2021-11-15 | |
| 2021-06-30 | $3,242,100 | 10,000 | Put | Defined | 2021-08-16 | |
| 2021-06-30 | $3,242,100 | 10,000 | Call | Defined | 2021-08-16 | |
| 2021-06-30 | $579,687 | 1,788 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $958,160 | 2,900 | Shares | Defined | 2021-05-17 | |
| 2021-03-31 | $3,304,000 | 10,000 | Put | Defined | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||