Walleye Trading LLC

Position in AMKR — Amkor Technology, Inc.

CIK 1388391 NEW YORK, NY

Back to AMKR Full portfolio

Position in AMKR

as of Jun 30, 2026 · filed Aug 3, 2026 Compact

Position Value

$12,039,863

+$7,680,374 QoQ

Shares Held

139,625

+44.2% QoQ

Ownership

0.056%

of shares outstanding

% of Portfolio

0.18%

of 13F equity value

Holder Rank

#94

of 645 holders

Holding Since

Mar 2020

22 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

$12,968,992

CallShares

150,400

PutValue

$14,624,608

PutShares

169,600

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

Walleye Trading LLC holds $77,365,825 across 14 Semiconductor Equipment & Materials names. AMKR ranks #3 (15.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASML	Asml Holding NV	10,740	$21,366,584
2	TER	Teradyne, Inc	42,560	$20,592,230
3	AMKR	Amkor Technology, Inc. This page	139,625	$12,039,863
4	AXTI	Axt Inc	134,256	$9,677,172
5	ENTG	Entegris Inc	28,878	$5,193,997
6	VECO	Veeco Instruments Inc	31,998	$2,425,448
7	DQ	Daqo New Energy Corp.	122,266	$1,637,141
8	Q	Qnity Electronics, Inc.	8,220	$1,342,408

All Filings in AMKR

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$12,039,863	139,625	+44.2%	Shares	Sole	2026-08-03
2026-06-30	$12,968,992	150,400	+150.7%	Call	Sole	2026-08-03
2026-06-30	$14,624,608	169,600	+58.1%	Put	Sole	2026-08-03
2026-03-31	$4,831,719	107,300	+6.8%	Put	Sole	2026-05-11
2026-03-31	$2,701,800	60,000	-48.8%	Call	Sole	2026-05-11
2026-03-31	$4,359,489	96,813	+31.5%	Shares	Sole	2026-05-11
2025-12-31	$3,967,740	100,500	+380.9%	Put	Sole	2026-02-13
2025-12-31	$4,623,108	117,100	+126.1%	Call	Sole	2026-02-13
2025-12-31	$2,905,609	73,597	+1079.4%	Shares	Sole	2026-02-13
2025-09-30	$1,471,120	51,800	+73.2%	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	+54.2%	Put	Sole	2025-08-13
2025-06-30	$130,977	6,240	-12.4%	Shares	Sole	2025-08-13
2025-06-30	$627,601	29,900	+162.3%	Call	Sole	2025-08-13
2024-06-30	$285,182	7,126	-38.0%	Shares	Sole	2024-08-14
2024-06-30	$456,228	11,400	+171.4%	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	-96.7%	Put	Sole	2024-05-15
2024-03-31	$370,760	11,500	-54.8%	Shares	Sole	2024-05-15
2024-03-31	$135,408	4,200	-77.9%	Call	Sole	2024-05-15
2023-12-31	$845,656	25,418	-22.7%	Shares	Sole	2024-02-14
2023-12-31	$632,130	19,000	+1361.5%	Call	Sole	2024-02-14
2023-12-31	$1,603,614	48,200	+1277.1%	Put	Sole	2024-02-14
2023-09-30	$79,100	3,500	-76.5%	Put	Sole	2023-11-21
2023-09-30	$743,201	32,885	-21.4%	Shares	Sole	2023-11-21
2023-09-30	$29,380	1,300	-94.6%	Call	Sole	2023-11-21
2023-06-30	$443,275	14,900	-66.9%	Put	Sole	2023-08-14
2023-06-30	$719,950	24,200	+952.2%	Call	Sole	2023-08-14
2023-06-30	$1,244,412	41,829	+1803.0%	Shares	Sole	2023-08-14
2023-03-31	$59,846	2,300	-51.1%	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	+76.3%	Put	Sole	2023-02-14
2022-12-31	$112,706	4,700	-45.3%	Call	Sole	2023-02-14
2022-09-30	$259,160	15,200	-61.0%	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	+124.1%	Call	Sole	2022-08-08
2022-06-30	$661,050	39,000	+50.0%	Put	Sole	2022-08-08
2022-06-30	$37,256	2,198	-61.6%	Shares	Sole	2022-08-08
2022-03-31	$564,720	26,000	+293.9%	Put	Sole	2022-05-16
2022-03-31	$460,464	21,200	+31.7%	Call	Sole	2022-05-16
2021-12-31	$163,614	6,600	-54.8%	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	+64.1%	Call	Sole	2021-11-15
2021-09-30	$364,270	14,600	-73.8%	Put	Sole	2021-11-15
2021-06-30	$1,595,358	67,400	+199.6%	Call	Sole	2021-08-16
2021-06-30	$1,320,786	55,800	+36.1%	Put	Sole	2021-08-16
2021-06-30	$135,321	5,717	-34.7%	Shares	Sole	2021-08-16
2021-03-31	$972,110	41,000	—	Put	Sole	2021-05-17
2021-03-31	$207,462	8,750	—	Shares	Sole	2021-05-17
2021-03-31	$533,475	22,500	—	Call	Sole	2021-05-17
No filing history on record for this holder in this stock.