Position in AMBA
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$92,252
-$123,207 QoQ
Shares Held
1,792
-31.4% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
17 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in AMBA 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.
| # | 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
|
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 AMBA
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $92,252 | 1,792 | Shares | Sole | 2026-05-13 | |
| 2025-09-30 | $215,459 | 2,611 | Shares | Sole | 2025-11-12 | |
| 2024-12-31 | $103,218 | 1,419 | Shares | Sole | 2025-05-14 | |
| 2024-06-30 | $23,306 | 432 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $43,154 | 850 | Shares | Sole | 2024-05-10 | |
| 2023-09-30 | $135,915 | 2,563 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $305,981 | 3,657 | Shares | Sole | 2023-08-09 | |
| 2022-06-30 | $1,310,771 | 20,024 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $10,846,839 | 103,382 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $6,058,498 | 29,861 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $4,685,905 | 30,088 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $2,656,366 | 24,912 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $1,826,696 | 18,196 | Shares | Sole | 2021-05-12 | |
| 2020-12-31 | $5,436,386 | 59,207 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $305,879 | 5,862 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $817,117 | 17,841 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $150,390 | 3,097 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||