Position in ATOM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$7,055,021
+$6,446,657 QoQ
Shares Held
809,991
+407.3% QoQ
Ownership
2.08%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#8
of 121 holders
Holding Since
Mar 2021
17 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATOM Over Time
Shares Held
Position Value (USD)
Derivatives in ATOM
reported options exposure · as of Jun 30, 2026CallValue
$834,418
CallShares
95,800
PutValue
$1,375,309
PutShares
157,900
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026JANE STREET GROUP, LLC holds $2,249,113,515 across 23 Semiconductor Equipment & Materials names. ATOM ranks #14 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LRCX |
Lam Research Corp
|
1,118,602 | $484,723,803 | |
| 2 | Q |
Qnity Electronics, Inc.
|
2,508,359 | $409,640,108 | |
| 3 | AXTI |
Axt Inc
|
3,527,115 | $254,234,448 | |
| 4 | AMAT |
Applied Materials Inc /De
|
348,550 | $252,001,650 | |
| 5 | TER |
Teradyne, Inc
|
518,639 | $250,938,293 | |
| 6 | FORM |
Formfactor Inc
|
1,309,873 | $209,487,988 | |
| 7 | CAMT |
Camtek Ltd
|
895,030 | $145,997,293 | |
| 8 | AEHR |
Aehr Test Systems
|
753,523 | $72,383,418 |
All Filings in ATOM
Export CSV
28 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,375,309 | 157,900 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $7,055,021 | 809,991 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $834,418 | 95,800 | Call | Defined | 2026-08-14 | |
| 2026-03-31 | $608,364 | 159,676 | Shares | Defined | 2026-05-12 | |
| 2026-03-31 | $45,339 | 11,900 | Put | Defined | 2026-05-12 | |
| 2025-12-31 | $378,846 | 171,424 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $220,854 | 49,967 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $50,904 | 10,100 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $89,514 | 17,761 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $172,484 | 43,121 | Shares | Defined | 2025-05-19 | |
| 2025-03-31 | $227,600 | 56,900 | Call | Defined | 2025-05-19 | |
| 2024-12-31 | $1,519,600 | 131,000 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $976,232 | 84,158 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $79,619 | 30,274 | Shares | Defined | 2024-11-15 | |
| 2024-06-30 | $942,334 | 247,332 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $66,502 | 10,796 | Shares | Defined | 2024-05-16 | |
| 2023-12-31 | $128,304 | 18,303 | Shares | Defined | 2024-02-15 | |
| 2023-06-30 | $478,219 | 54,529 | Shares | Defined | 2023-08-14 | |
| 2022-03-31 | $1,215,886 | 93,100 | Call | Defined | 2022-05-17 | |
| 2021-12-31 | $665,972 | 33,100 | Put | Defined | 2022-02-15 | |
| 2021-12-31 | $2,742,356 | 136,300 | Call | Defined | 2022-02-15 | |
| 2021-09-30 | $644,211 | 27,900 | Put | Defined | 2021-11-16 | |
| 2021-09-30 | $4,497,932 | 194,800 | Call | Defined | 2021-11-16 | |
| 2021-06-30 | $718,240 | 33,500 | Put | Defined | 2021-08-16 | |
| 2021-06-30 | $3,882,784 | 181,100 | Call | Defined | 2021-08-16 | |
| 2021-03-31 | $247,915 | 10,119 | Shares | Defined | 2021-05-18 | |
| 2021-03-31 | $3,349,150 | 136,700 | Call | Defined | 2021-05-18 | |
| 2021-03-31 | $644,350 | 26,300 | Put | Defined | 2021-05-18 | |
| No filing history on record for this holder in this stock. | ||||||