Walleye Trading LLC

Position in AMKR — Amkor Technology, Inc.

CIK 1388391 NEW YORK, NY

Back to AMKR Full portfolio

Position in AMKR

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$4,359,489

+$1,453,880 QoQ

Shares Held

96,813

+31.5% QoQ

Ownership

0.039%

of shares outstanding

% of Portfolio

0.10%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

21 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in AMKR Over Time

Shares Held

Position Value (USD)

Derivatives in AMKR

reported options exposure · as of Mar 31, 2026

CallValue

$2,701,800

CallShares

60,000

PutValue

$4,831,719

PutShares

107,300

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, 2026

Walleye Trading LLC holds $91,985,708 across 10 Semiconductor Equipment & Materials names. AMKR ranks #3 (4.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASML	Asml Holding NV	50,220	$66,332,082
2	TER	Teradyne, Inc	43,399	$12,866,067
3	AMKR	Amkor Technology, Inc. This page	96,813	$4,359,489
4	CAMT	Camtek Ltd	17,413	$2,639,984
5	ENTG	Entegris Inc	20,097	$2,356,172
6	Q	Qnity Electronics, Inc.	10,825	$1,248,988
7	AXTI	Axt Inc	20,587	$1,173,047
8	AEHR	Aehr Test Systems	11,996	$444,811

All Filings in AMKR

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$4,831,719	107,300	+78.8%	Put	Sole	2026-05-11
2026-03-31	$2,701,800	60,000	-38.0%	Call	Sole	2026-05-11
2026-03-31	$4,359,489	96,813	-3.7%	Shares	Sole	2026-05-11
2025-12-31	$3,967,740	100,500	-14.2%	Put	Sole	2026-02-13
2025-12-31	$4,623,108	117,100	+59.1%	Call	Sole	2026-02-13
2025-12-31	$2,905,609	73,597	+42.1%	Shares	Sole	2026-02-13
2025-09-30	$1,471,120	51,800	+147.8%	Call	Sole	2025-11-14
2025-09-30	$593,560	20,900	+129.7%	Put	Sole	2025-11-14
2025-06-30	$191,009	9,100	+45.8%	Put	Sole	2025-08-13
2025-06-30	$130,977	6,240	-79.1%	Shares	Sole	2025-08-13
2025-06-30	$627,601	29,900	+319.6%	Call	Sole	2025-08-13
2024-06-30	$285,182	7,126	-37.5%	Shares	Sole	2024-08-14
2024-06-30	$456,228	11,400	+93.2%	Call	Sole	2024-08-14
2024-06-30	$236,118	5,900	+268.8%	Put	Sole	2024-08-14
2024-03-31	$51,584	1,600	-86.1%	Put	Sole	2024-05-15
2024-03-31	$370,760	11,500	+173.8%	Shares	Sole	2024-05-15
2024-03-31	$135,408	4,200	-83.5%	Call	Sole	2024-05-15
2023-12-31	$845,656	25,418	+33.8%	Shares	Sole	2024-02-14
2023-12-31	$632,130	19,000	-60.6%	Call	Sole	2024-02-14
2023-12-31	$1,603,614	48,200	+46.6%	Put	Sole	2024-02-14
2023-09-30	$743,201	32,885	+839.6%	Shares	Sole	2023-11-21
2023-09-30	$79,100	3,500	+169.2%	Put	Sole	2023-11-21
2023-09-30	$29,380	1,300	-91.3%	Call	Sole	2023-11-21
2023-06-30	$443,275	14,900	-38.4%	Put	Sole	2023-08-14
2023-06-30	$719,950	24,200	-42.1%	Call	Sole	2023-08-14
2023-06-30	$1,244,412	41,829	+1718.7%	Shares	Sole	2023-08-14
2023-03-31	$59,846	2,300	-94.9%	Call	Sole	2023-05-15
2023-03-31	$1,170,900	45,000	+67.9%	Put	Sole	2023-05-15
2022-12-31	$642,664	26,800	+470.2%	Put	Sole	2023-02-14
2022-12-31	$112,706	4,700	-69.1%	Call	Sole	2023-02-14
2022-09-30	$259,160	15,200	+76.7%	Put	Sole	2022-11-14
2022-09-30	$146,630	8,600	-81.9%	Call	Sole	2022-11-14
2022-06-30	$805,125	47,500	+21.8%	Call	Sole	2022-08-08
2022-06-30	$661,050	39,000	+1674.3%	Put	Sole	2022-08-08
2022-06-30	$37,256	2,198	-91.5%	Shares	Sole	2022-08-08
2022-03-31	$564,720	26,000	+22.6%	Put	Sole	2022-05-16
2022-03-31	$460,464	21,200	+221.2%	Call	Sole	2022-05-16
2021-12-31	$163,614	6,600	-59.0%	Put	Sole	2022-02-14
2021-12-31	$399,119	16,100	-85.4%	Call	Sole	2022-02-14
2021-09-30	$2,759,470	110,600	+657.5%	Call	Sole	2021-11-15
2021-09-30	$364,270	14,600	-78.3%	Put	Sole	2021-11-15
2021-06-30	$1,595,358	67,400	+20.8%	Call	Sole	2021-08-16
2021-06-30	$1,320,786	55,800	+876.0%	Put	Sole	2021-08-16
2021-06-30	$135,321	5,717	-86.1%	Shares	Sole	2021-08-16
2021-03-31	$972,110	41,000	+368.6%	Put	Sole	2021-05-17
2021-03-31	$207,462	8,750	-61.1%	Shares	Sole	2021-05-17
2021-03-31	$533,475	22,500	+19.0%	Call	Sole	2021-05-17
2020-12-31	$285,012	18,900	-84.6%	Put	Sole	2021-02-16
2020-12-31	$1,854,840	123,000	+1181.2%	Call	Sole	2021-02-16
2020-06-30	$118,176	9,600	—	Put	Sole	2020-08-14
No filing history on record for this holder in this stock.