Hudson Bay Capital Management LP

Position in CECO — Ceco Environmental Corp

CIK 1393825 STAMFORD, CT

Position in CECO

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

Position Value

$2,085,300

New position

Shares Held

35,000

first reported quarter

Ownership

0.098%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2026

1 quarter 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 $2,629,804 across 3 Pollution & Treatment Controls names. CECO ranks #1 (79.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CECO	Ceco Environmental Corp This page	35,000	$2,085,300
2	ZWS	Zurn Elkay Water Solutions Corp	9,980	$447,503
3	PCT	PureCycle Technologies, Inc.	18,690	$97,001

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,085,300	35,000	—	Shares	Sole	2026-05-13
No filing history on record for this holder in this stock.