Position in ATOM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$640,150
+$323,479 QoQ
Shares Held
73,496
-11.6% QoQ
Ownership
0.188%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#32
of 121 holders
Holding Since
Sep 2020
23 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATOM 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. ATOM ranks #8 (1.2% 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
|
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
This page
|
73,496 | $640,150 |
All Filings in ATOM
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $640,150 | 73,496 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $316,671 | 83,116 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $5,978 | 2,705 | Shares | Sole | 2026-02-12 | |
| 2025-06-30 | $2,278 | 452 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $41,132 | 10,283 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $4,314,504 | 371,940 | Shares | Sole | 2025-05-14 | |
| 2024-09-30 | $176,896 | 67,261 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $384,063 | 100,804 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $494,487 | 80,274 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $540,492 | 77,103 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $524,613 | 83,804 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $571,400 | 65,154 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $333,800 | 52,402 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $337,285 | 54,226 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $872,750 | 86,155 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $844,153 | 89,995 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $1,794,078 | 137,372 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $1,462,864 | 72,707 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $925,747 | 40,093 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $623,153 | 29,065 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $2,003,267 | 81,766 | Shares | Sole | 2021-05-12 | |
| 2020-12-31 | $461,091 | 28,657 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $303,562 | 29,049 | Shares | Sole | 2020-11-12 | |
| No filing history on record for this holder in this stock. | ||||||