Position in PLAB
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$1,469,933
+$1,242,587 QoQ
Shares Held
45,187
+703.2% QoQ
Ownership
0.077%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#103
of 312 holders
Holding Since
Mar 2020
18 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PLAB Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026SIMPLEX TRADING, LLC holds $115,572,420 across 22 Semiconductor Equipment & Materials names. PLAB ranks #9 (1.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | KLAC |
Kla Corp
|
123,044 | $37,123,605 | |
| 2 | ASML |
Asml Holding NV
|
16,406 | $32,638,750 | |
| 3 | AMAT |
Applied Materials Inc /De
|
32,303 | $23,355,069 | |
| 4 | ACMR |
ACM Research, Inc.
|
44,316 | $5,623,257 | |
| 5 | AMKR |
Amkor Technology, Inc.
|
49,051 | $4,229,667 | |
| 6 | ENTG |
Entegris Inc
|
13,273 | $2,387,281 | |
| 7 | TER |
Teradyne, Inc
|
3,406 | $1,647,959 | |
| 8 | VECO |
Veeco Instruments Inc
|
20,077 | $1,521,836 |
All Filings in PLAB
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,469,933 | 45,187 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $227,346 | 5,626 | Shares | Sole | 2026-05-14 | |
| 2025-06-30 | $153,577 | 8,156 | Shares | Sole | 2025-08-05 | |
| 2024-12-31 | $724,187 | 30,738 | Shares | Sole | 2025-02-11 | |
| 2024-06-30 | $374,539 | 15,182 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $95,353 | 3,367 | Shares | Sole | 2024-04-25 | |
| 2023-12-31 | $367,311 | 11,709 | Shares | Sole | 2024-02-02 | |
| 2023-09-30 | $364,770 | 18,049 | Shares | Sole | 2023-11-01 | |
| 2023-06-30 | $481,344 | 18,664 | Shares | Sole | 2023-08-04 | |
| 2022-12-31 | $97,041 | 5,766 | Shares | Sole | 2023-02-02 | |
| 2022-09-30 | $62,354 | 4,265 | Shares | Sole | 2022-11-04 | |
| 2022-06-30 | $416,949 | 21,404 | Shares | Sole | 2022-08-03 | |
| 2021-12-31 | $7,144 | 379 | Shares | Sole | 2022-02-23 | |
| 2021-09-30 | $72,688 | 5,333 | Shares | Sole | 2021-10-28 | |
| 2021-06-30 | $78,374 | 5,933 | Shares | Sole | 2021-08-12 | |
| 2020-12-31 | $86,891 | 7,786 | Shares | Sole | 2021-02-02 | |
| 2020-06-30 | $39,645 | 3,562 | Shares | Sole | 2020-07-13 | |
| 2020-03-31 | $7,428 | 724 | Shares | Sole | 2020-04-29 | |
| No filing history on record for this holder in this stock. | ||||||