Position in ASYS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,248,754
-$318,025 QoQ
Shares Held
106,914
-14.4% QoQ
Ownership
0.737%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
21 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ASYS Over Time
Shares Held
Position Value (USD)
Derivatives in ASYS
reported options exposure · as of Mar 31, 2026CallValue
$266,304
CallShares
22,800
PutValue
$0
PutShares
0
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 Mar 31, 2026CITADEL ADVISORS LLC holds $1,423,427,001 across 29 Semiconductor Equipment & Materials names. ASYS ranks #24 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
1,290,552 | $441,097,767 | |
| 2 | ASML |
Asml Holding NV
|
222,520 | $293,911,091 | |
| 3 | LRCX |
Lam Research Corp
|
1,114,732 | $238,173,639 | |
| 4 | TER |
Teradyne, Inc
|
351,335 | $104,156,773 | |
| 5 | ONTO |
Onto Innovation Inc.
|
296,570 | $60,817,609 | |
| 6 | KLAC |
Kla Corp
|
37,883 | $55,779,307 | |
| 7 | AMBA |
Ambarella Inc
|
931,862 | $47,972,255 | |
| 8 | AXTI |
Axt Inc
|
569,671 | $32,459,852 |
All Filings in ASYS
Export CSV
46 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,248,754 | 106,914 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $266,304 | 22,800 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $1,566,779 | 124,843 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $726,484 | 78,454 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $81,252 | 18,300 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $168,249 | 37,894 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $5,313 | 1,100 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $214,480 | 44,406 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $90,804 | 18,800 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $11,990 | 2,200 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $219,395 | 40,256 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $22,345 | 4,100 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $245,316 | 42,296 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $9,280 | 1,600 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $23,780 | 4,100 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $204,150 | 34,838 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $6,446 | 1,100 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $1,758 | 300 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $359,305 | 66,415 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $16,771 | 3,100 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $80,068 | 14,800 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $31,500 | 7,500 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $10,920 | 2,600 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $194,279 | 46,257 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $21,336 | 2,800 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $21,336 | 2,800 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $89,870 | 11,794 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $62,140 | 6,500 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $355,573 | 37,194 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $10,516 | 1,100 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $428,202 | 44,885 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $43,884 | 4,600 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $37,206 | 3,900 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $42,560 | 5,600 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $209,129 | 27,517 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $149,720 | 19,700 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $167,645 | 19,723 | Shares | Defined | 2022-11-14 | |
| 2022-03-31 | $137,822 | 13,700 | Call | Defined | 2022-05-16 | |
| 2021-12-31 | $143,260 | 14,500 | Call | Defined | 2022-02-14 | |
| 2021-09-30 | $222,427 | 19,460 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $362,464 | 37,600 | Call | Defined | 2021-08-16 | |
| 2021-06-30 | $104,112 | 10,800 | Put | Defined | 2021-08-16 | |
| 2021-03-31 | $259,011 | 21,913 | Shares | Defined | 2021-05-21 | |
| 2021-03-31 | $219,852 | 18,600 | Put | Defined | 2021-05-21 | |
| 2021-03-31 | $588,636 | 49,800 | Call | Defined | 2021-05-21 | |
| 2020-06-30 | $49,537 | 10,172 | Shares | Defined | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||