Hudson Bay Capital Management LP

Position in AMKR — Amkor Technology, Inc.

CIK 1393825 STAMFORD, CT

Back to AMKR Full portfolio

Position in AMKR

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$822,634

-$657,979 QoQ

Shares Held

9,540

-86.5% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#313

of 642 holders

Holding Since

Sep 2023

3 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, 2025

CallValue

CallShares

PutValue

$26,237,500

PutShares

1,250,000

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

Hudson Bay Capital Management LP holds $26,765,195 across 5 Semiconductor Equipment & Materials names. AMKR ranks #5 (3.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASML	Asml Holding NV	8,220	$16,353,195
2	LRCX	Lam Research Corp	13,812	$5,985,153
3	FORM	Formfactor Inc	15,990	$2,557,280
4	KLAC	Kla Corp	3,470	$1,046,933
5	AMKR	Amkor Technology, Inc. This page	9,540	$822,634

All Filings in AMKR

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4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$822,634	9,540	-86.5%	Shares	Defined	2026-08-14
2025-06-30	$1,480,613	70,539	-84.1%	Shares	Sole	2025-08-18
2025-06-30	$26,237,500	1,250,000	—	Put	Sole	2025-08-18
2023-09-30	$10,014,851	443,135	—	Shares	Sole	2023-11-14
No filing history on record for this holder in this stock.