Position in AMKR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$88,656,339
+$79,837,620 QoQ
Shares Held
1,028,138
+425.0% QoQ
Ownership
0.415%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#25
of 642 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in AMKR Over Time
Shares Held
Position Value (USD)
Derivatives in AMKR
reported options exposure · as of Jun 30, 2026CallValue
$51,643,147
CallShares
598,900
PutValue
$34,854,166
PutShares
404,200
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, 2026CITADEL ADVISORS LLC holds $3,316,848,873 across 26 Semiconductor Equipment & Materials names. AMKR ranks #8 (2.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
1,080,951 | $781,527,573 | |
| 2 | KLAC |
Kla Corp
|
2,541,076 | $766,668,039 | |
| 3 | LRCX |
Lam Research Corp
|
1,420,975 | $615,751,095 | |
| 4 | ASML |
Asml Holding NV
|
188,358 | $374,726,919 | |
| 5 | ONTO |
Onto Innovation Inc.
|
342,187 | $129,500,670 | |
| 6 | AXTI |
Axt Inc
|
1,481,332 | $106,774,410 | |
| 7 | Q |
Qnity Electronics, Inc.
|
613,148 | $100,133,199 | |
| 8 | AMKR |
Amkor Technology, Inc.
This page
|
1,028,138 | $88,656,339 |
All Filings in AMKR
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $51,643,147 | 598,900 | Call | Defined | 2026-08-14 | |
| 2026-06-30 | $34,854,166 | 404,200 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $88,656,339 | 1,028,138 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $8,818,719 | 195,841 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $7,691,124 | 170,800 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $23,145,420 | 514,000 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $36,823,429 | 932,711 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $16,822,428 | 426,100 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $9,664,704 | 244,800 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $5,702,720 | 200,800 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $9,598,375 | 337,971 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $3,621,000 | 127,500 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $3,203,074 | 152,600 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $15,035,137 | 716,300 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $10,999,284 | 524,025 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $15,746,514 | 871,900 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $4,401,600 | 243,721 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $5,920,068 | 327,800 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $15,054,340 | 586,000 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $6,092,434 | 237,152 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $1,184,309 | 46,100 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $4,925,957 | 160,979 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $1,566,720 | 51,200 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $2,307,240 | 75,400 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $2,793,396 | 69,800 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $6,751,333 | 168,699 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $5,694,846 | 142,300 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $3,724,976 | 115,539 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $1,815,112 | 56,300 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $3,891,368 | 120,700 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $3,529,947 | 106,100 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $6,309,988 | 189,660 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $3,776,145 | 113,500 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $2,461,140 | 108,900 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $7,053,866 | 312,118 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $2,782,060 | 123,100 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $2,602,143 | 87,467 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $3,608,675 | 121,300 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $2,939,300 | 98,800 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $3,210,868 | 123,400 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $1,826,604 | 70,200 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $6,853,745 | 263,403 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $1,821,041 | 75,940 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $8,208,354 | 342,300 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $4,513,036 | 188,200 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $1,565,190 | 91,800 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $871,255 | 51,100 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $3,347,511 | 196,335 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $2,452,630 | 144,698 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $1,478,040 | 87,200 | Call | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||