Position in TER
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$1,647,959
-$300,376 QoQ
Shares Held
3,406
-48.2% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#633
of 1,425 holders
Holding Since
Mar 2020
10 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in TER 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. TER ranks #7 (1.4% 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
This page
|
3,406 | $1,647,959 | |
| 8 | VECO |
Veeco Instruments Inc
|
20,077 | $1,521,836 |
All Filings in TER
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10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,647,959 | 3,406 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $1,948,335 | 6,572 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $531,902 | 2,748 | Shares | Sole | 2026-02-11 | |
| 2024-06-30 | $4,317,463 | 29,115 | Shares | Sole | 2024-07-25 | |
| 2021-12-31 | $306,618 | 1,875 | Shares | Sole | 2022-02-23 | |
| 2021-09-30 | $1,592,026 | 14,583 | Shares | Sole | 2021-10-28 | |
| 2021-06-30 | $2,127,686 | 15,883 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $442,793 | 3,639 | Shares | Sole | 2021-04-26 | |
| 2020-09-30 | $1,319,274 | 16,603 | Shares | Sole | 2020-10-14 | |
| 2020-03-31 | $629,563 | 11,622 | Shares | Sole | 2020-04-29 | |
| No filing history on record for this holder in this stock. | ||||||