Position in KLAC
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$252,223
+$28,406 QoQ
Shares Held
1,713
-7.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
8 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)
Position in Semiconductor Equipment & Materials
Technology · as of Mar 31, 2026GROUP ONE TRADING LLC holds $10,855,791 across 15 Semiconductor Equipment & Materials names. KLAC ranks #8 (2.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ACMR |
ACM Research, Inc.
|
91,427 | $3,597,652 | |
| 2 | Q |
Qnity Electronics, Inc.
|
23,235 | $2,680,854 | |
| 3 | AXTI |
Axt Inc
|
36,902 | $2,102,675 | |
| 4 | PLAB |
Photronics Inc
|
13,297 | $537,331 | |
| 5 | DQ |
Daqo New Energy Corp.
|
24,326 | $517,414 | |
| 6 | AEHR |
Aehr Test Systems
|
12,758 | $473,066 | |
| 7 | ATOM |
Atomera Inc
|
83,116 | $316,671 | |
| 8 | KLAC |
Kla Corp
This page
|
1,713 | $252,223 |
All Filings in KLAC
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $252,223 | 1,713 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $223,817 | 1,842 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $387,972 | 3,597 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $211,305 | 2,359 | Shares | Sole | 2025-08-14 | |
| 2022-06-30 | $172,335 | 5,401 | Shares | Sole | 2022-08-11 | |
| 2021-12-31 | $433,808 | 10,086 | Shares | Sole | 2022-02-11 | |
| 2021-06-30 | $64,971 | 2,004 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $123,933 | 3,751 | Shares | Sole | 2021-05-12 | |
| No filing history on record for this holder in this stock. | ||||||