Position in KLAC
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$6,218,281
+$3,654,220 QoQ
Shares Held
42,232
+100.1% QoQ
Ownership
0.032%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2021
17 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
$176,689
CallShares
1,200
PutValue
$441,723
PutShares
3,000
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, 2026Walleye Capital LLC holds $266,665,575 across 19 Semiconductor Equipment & Materials names. KLAC ranks #7 (2.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
275,586 | $94,192,538 | |
| 2 | ASML |
Asml Holding NV
|
55,059 | $72,723,578 | |
| 3 | TER |
Teradyne, Inc
|
117,415 | $34,808,850 | |
| 4 | Q |
Qnity Electronics, Inc.
|
216,147 | $24,939,040 | |
| 5 | AMBA |
Ambarella Inc
|
210,934 | $10,858,882 | |
| 6 | AEHR |
Aehr Test Systems
|
267,187 | $9,907,293 | |
| 7 | KLAC |
Kla Corp
This page
|
42,232 | $6,218,281 | |
| 8 | UCTT |
Ultra Clean Holdings, Inc.
|
87,453 | $5,437,827 |
All Filings in KLAC
Export CSV
43 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $176,689 | 1,200 | Call | Sole | 2026-05-13 | |
| 2026-03-31 | $6,218,281 | 42,232 | Shares | Sole | 2026-05-13 | |
| 2026-03-31 | $441,723 | 3,000 | Put | Sole | 2026-05-13 | |
| 2025-12-31 | $2,564,061 | 21,102 | Shares | Sole | 2026-02-13 | |
| 2025-12-31 | $486,032 | 4,000 | Call | Sole | 2026-02-13 | |
| 2025-12-31 | $838,405 | 6,900 | Put | Sole | 2026-02-13 | |
| 2025-09-30 | $183,362 | 1,700 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $161,790 | 1,500 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $313,656 | 2,908 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $286,636 | 3,200 | Call | Sole | 2025-08-13 | |
| 2025-06-30 | $358,475 | 4,002 | Shares | Sole | 2025-08-13 | |
| 2025-06-30 | $152,275 | 1,700 | Put | Sole | 2025-08-13 | |
| 2025-03-31 | $35,145 | 517 | Shares | Sole | 2025-05-14 | |
| 2025-03-31 | $81,576 | 1,200 | Call | Sole | 2025-05-14 | |
| 2025-03-31 | $115,566 | 1,700 | Put | Sole | 2025-05-14 | |
| 2024-12-31 | $17,076 | 271 | Shares | Sole | 2025-02-13 | |
| 2024-12-31 | $548,204 | 8,700 | Put | Sole | 2025-02-13 | |
| 2024-12-31 | $1,266,541 | 20,100 | Call | Sole | 2025-02-13 | |
| 2024-09-30 | $1,153,870 | 14,900 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $216,602 | 2,797 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $1,603,028 | 20,700 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $1,566,569 | 19,000 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $142,557 | 1,729 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $700,833 | 8,500 | Put | Sole | 2024-08-14 | |
| 2024-03-31 | $45,826 | 656 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $1,767,382 | 25,300 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $1,872,167 | 26,800 | Call | Sole | 2024-05-15 | |
| 2023-12-31 | $837,072 | 14,400 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $1,563,697 | 26,900 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $981,532 | 21,400 | Put | Sole | 2023-11-21 | |
| 2023-09-30 | $1,954,579 | 42,615 | Shares | Sole | 2023-11-21 | |
| 2023-09-30 | $1,105,370 | 24,100 | Call | Sole | 2023-11-21 | |
| 2023-06-30 | $1,184,418 | 24,420 | Shares | Sole | 2023-08-14 | |
| 2023-06-30 | $271,611 | 5,600 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $906,987 | 18,700 | Call | Sole | 2023-08-14 | |
| 2023-03-31 | $1,125,579 | 28,198 | Shares | Sole | 2023-05-15 | |
| 2023-03-31 | $23,950 | 600 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $55,883 | 1,400 | Put | Sole | 2023-05-15 | |
| 2022-12-31 | $756,095 | 20,054 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $18,157 | 600 | Put | Sole | 2022-11-14 | |
| 2022-09-30 | $24,210 | 800 | Call | Sole | 2022-11-14 | |
| 2021-12-31 | $35,053 | 815 | Shares | Sole | 2022-05-27 | |
| 2021-09-30 | $271,856 | 8,127 | Shares | Sole | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||