Position in KLAC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,876,032
-$646,206 QoQ
Shares Held
6,218
-63.7% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#1,194
of 2,485 holders
Holding Since
Mar 2021
9 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in KLAC Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026GROUP ONE TRADING LLC holds $52,564,758 across 15 Semiconductor Equipment & Materials names. KLAC ranks #5 (3.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ACMR |
ACM Research, Inc.
|
157,056 | $19,928,835 | |
| 2 | AXTI |
Axt Inc
|
168,015 | $12,110,521 | |
| 3 | AMKR |
Amkor Technology, Inc.
|
129,334 | $11,152,470 | |
| 4 | TER |
Teradyne, Inc
|
4,595 | $2,223,244 | |
| 5 | KLAC |
Kla Corp
This page
|
6,218 | $1,876,032 | |
| 6 | AEHR |
Aehr Test Systems
|
17,271 | $1,659,052 | |
| 7 | Q |
Qnity Electronics, Inc.
|
6,699 | $1,094,013 | |
| 8 | ATOM |
Atomera Inc
|
73,496 | $640,150 |
All Filings in KLAC
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,876,032 | 6,218 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $2,522,238 | 1,713 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $2,238,177 | 1,842 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $3,879,724 | 3,597 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $2,113,050 | 2,359 | Shares | Sole | 2025-08-14 | |
| 2022-06-30 | $1,723,351 | 5,401 | Shares | Sole | 2022-08-11 | |
| 2021-12-31 | $4,338,089 | 10,086 | Shares | Sole | 2022-02-11 | |
| 2021-06-30 | $649,716 | 2,004 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $1,239,330 | 3,751 | Shares | Sole | 2021-05-12 | |
| No filing history on record for this holder in this stock. | ||||||