SummitTX Capital, L.P.

Position in AMKR — Amkor Technology, Inc.

CIK 2052310 FORT WORTH, TX

Position in AMKR

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

Position Value

$1,843,683

+$1,647,137 QoQ

Shares Held

21,381

+96.5% QoQ

Ownership

0.009%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

#242

of 642 holders

Holding Since

Mar 2025

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

SummitTX Capital, L.P. holds $127,089,359 across 5 Semiconductor Equipment & Materials names. AMKR ranks #5 (1.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASML	Asml Holding NV	26,839	$53,394,577
2	AMAT	Applied Materials Inc /De	59,729	$43,184,067
3	ONTO	Onto Innovation Inc.	65,734	$24,877,032
4	VECO	Veeco Instruments Inc	50,000	$3,790,000
5	AMKR	Amkor Technology, Inc. This page	21,381	$1,843,683

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,843,683	21,381	+96.5%	Shares	Sole	2026-08-14
2025-03-31	$196,546	10,883	—	Shares	Defined	2025-05-15
No filing history on record for this holder in this stock.