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Equibles

JANE STREET GROUP, LLC

Position in AMKR — Amkor Technology, Inc.

CIK 1595888 NEW YORK, NY
Back to AMKR Full portfolio

Position in AMKR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$26,532,452
-$78,379,341 QoQ
Shares Held
307,694
-86.8% QoQ
Ownership
0.124%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#56
of 642 holders
Holding Since
Jun 2020
25 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, 2026
CallValue
$121,748,137
CallShares
1,411,900
PutValue
$127,801,483
PutShares
1,482,100

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, 2026

JANE STREET GROUP, LLC holds $2,249,113,515 across 23 Semiconductor Equipment & Materials names. AMKR ranks #12 (1.2% 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 AMKR

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $26,532,452 307,694
2026-06-30 $127,801,483 1,482,100
2026-06-30 $121,748,137 1,411,900
2026-03-31 $104,911,793 2,329,820
2026-03-31 $24,969,135 554,500
2026-03-31 $14,233,983 316,100
2025-12-31 $32,298,588 818,100
2025-12-31 $2,500,781 63,343
2025-12-31 $61,355,868 1,554,100
2025-09-30 $10,703,448 376,882
2025-09-30 $2,550,320 89,800
2025-09-30 $8,707,440 306,600
2025-06-30 $28,233,649 1,345,100
2025-06-30 $1,133,460 54,000
2025-06-30 $1,504,772 71,690
2025-03-31 $5,679,038 314,454
2025-03-31 $37,913,358 2,099,300
2025-03-31 $1,072,764 59,400
2024-12-31 $1,942,164 75,600
2024-12-31 $1,723,799 67,100
2024-09-30 $2,656,080 86,800
2024-09-30 $6,459,047 211,080
2024-06-30 $20,580,164 514,247
2024-03-31 $6,809,312 211,207
2023-12-31 $5,890,220 177,043
2023-09-30 $205,794 9,106
2023-06-30 $2,852,548 95,884
2023-03-31 $890,611 34,228
2022-12-31 $647,651 27,008
2022-09-30 $413,803 24,270
2022-06-30 $384,628 22,692
2022-03-31 $1,440,036 66,300
2022-03-31 $1,268,448 58,400
2022-03-31 $1,270,923 58,514
2021-12-31 $339,623 13,700
2021-12-31 $668,660 26,973
2021-12-31 $1,998,074 80,600
2021-09-30 $2,607,275 104,500
2021-09-30 $461,575 18,500
2021-09-30 $1,242,559 49,802
2021-06-30 $2,719,659 114,899
2021-06-30 $1,545,651 65,300
2021-06-30 $866,322 36,600
2021-03-31 $1,267,939 53,477
2021-03-31 $1,839,896 77,600
2021-03-31 $1,816,186 76,600
2020-12-31 $595,660 39,500
2020-12-31 $187,022 12,402
2020-09-30 $148,960 13,300
2020-09-30 $368,737 32,923

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