Hudson Bay Capital Management LP

Position in ATI — Ati Inc

CIK 1393825 STAMFORD, CT

Position in ATI

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

Position Value

$3,985,166

-$6,560,818 QoQ

Shares Held

27,397

-70.2% QoQ

Ownership

0.020%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

7 quarters on record

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

Industrials · as of Mar 31, 2026

Hudson Bay Capital Management LP holds $12,373,535 across 5 Metal Fabrication names. ATI ranks #2 (32.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CRS	Carpenter Technology Corp	12,053	$4,750,689
2	ATI	Ati Inc This page	27,397	$3,985,166
3	RYZ	Ryerson Holding Corp	127,055	$2,856,196
4	ESAB	ESAB Corp	6,200	$599,292
5	AP	Ampco Pittsburgh Corp	27,112	$182,192

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,985,166	27,397	-70.2%	Shares	Sole	2026-05-13
2025-12-31	$10,545,984	91,896	-40.6%	Shares	Sole	2026-02-13
2025-09-30	$12,590,130	154,784	-25.2%	Shares	Sole	2025-12-15
2025-06-30	$17,855,371	206,803	-24.0%	Shares	Sole	2025-08-18
2025-03-31	$14,159,704	272,145	+35.0%	Shares	Sole	2025-05-14
2024-12-31	$11,096,779	201,613	+208.7%	Shares	Sole	2025-02-14
2020-06-30	$665,407	65,300	—	Shares	Sole	2020-08-12
No filing history on record for this holder in this stock.