Hudson Bay Capital Management LP

Position in ASYS — Amtech Systems Inc

CIK 1393825 STAMFORD, CT

Position in ASYS

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$281,289

+$10,799 QoQ

Shares Held

24,083

+11.7% QoQ

Ownership

0.166%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2025

2 quarters on record

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

Technology · as of Mar 31, 2026

Hudson Bay Capital Management LP holds $19,681,836 across 6 Semiconductor Equipment & Materials names. ASYS ranks #5 (1.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASML	Asml Holding NV	7,258	$9,586,584
2	AMAT	Applied Materials Inc /De	11,571	$3,954,851
3	KLAC	Kla Corp	26,600	$3,916,610
4	AXTI	Axt Inc	29,536	$1,682,961
5	ASYS	Amtech Systems Inc This page	24,083	$281,289
6	INTT	Intest Corp	19,014	$259,541

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$281,289	24,083	+11.7%	Shares	Defined	2026-05-13
2025-12-31	$270,490	21,553	—	Shares	Defined	2026-02-13
No filing history on record for this holder in this stock.