PICTON MAHONEY ASSET MANAGEMENT

Position in ATI — Ati Inc

CIK 1539041 Toronto, A6

Position in ATI

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

Position Value

$394,342

+$9,896 QoQ

Shares Held

2,711

-19.1% QoQ

Ownership

0.002%

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% Shared 0% None 0%

Industrials · as of Mar 31, 2026

PICTON MAHONEY ASSET MANAGEMENT holds $6,166,938 across 5 Metal Fabrication names. ATI ranks #3 (6.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MLI	Mueller Industries Inc	96,174	$5,328,039
2	CRS	Carpenter Technology Corp	1,121	$441,842
3	ATI	Ati Inc This page	2,711	$394,342
4	CMC	COMMERCIAL METALS Co	23	$1,412
5	WOR	Worthington Enterprises, Inc.	25	$1,303

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$394,342	2,711	-19.1%	Shares	Sole	2026-05-13
2025-12-31	$384,446	3,350	—	Shares	Sole	2026-02-11
No filing history on record for this holder in this stock.