MARATHON CAPITAL MANAGEMENT

Position in CECO — Ceco Environmental Corp

CIK 1213206 Hunt Valley, MD

Position in CECO

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$5,858,501

-$227,346 QoQ

Shares Held

98,330

-3.3% QoQ

Ownership

0.274%

of shares outstanding

% of Portfolio

1.47%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2021

20 quarters on record

Voting authority Sole 1.9831180717990442.ToString("F0")% Shared 0.ToString("F0")% None 98.01688192820096.ToString("F0")%

Industrials · as of Mar 31, 2026

MARATHON CAPITAL MANAGEMENT holds $5,858,501 across 1 Pollution & Treatment Controls name. CECO ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	CECO	Ceco Environmental Corp This page	98,330	$5,858,501

20 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$5,858,501	98,330	-3.3%	Shares	Sole	2026-05-14
2025-12-31	$6,085,847	101,685	-0.0%	Shares	Sole	2026-01-29
2025-09-30	$5,207,040	101,700	-2.1%	Shares	Sole	2025-11-14
2025-06-30	$2,942,258	103,930	+6.1%	Shares	Sole	2025-08-14
2025-03-31	$2,233,830	97,975	-0.6%	Shares	Sole	2025-05-15
2024-12-31	$2,978,410	98,525	-20.7%	Shares	Sole	2025-02-14
2024-09-30	$3,505,542	124,310	-14.7%	Shares	Sole	2024-11-14
2024-06-30	$4,205,608	145,775	-2.0%	Shares	Sole	2024-08-14
2024-03-31	$3,424,800	148,775	+4.9%	Shares	Sole	2024-05-15
2023-12-31	$2,876,211	141,825	-13.7%	Shares	Sole	2024-02-14
2023-09-30	$2,623,471	164,275	+3.8%	Shares	Sole	2023-11-14
2023-06-30	$2,113,552	158,200	-32.4%	Shares	Sole	2023-08-15
2023-03-31	$3,272,960	233,950	+46.4%	Shares	Sole	2023-05-12
2022-12-31	$1,866,464	159,800	0.0%	Shares	Sole	2023-02-14
2022-09-30	$1,414,230	159,800	-0.2%	Shares	Sole	2022-11-14
2022-06-30	$957,099	160,050	+0.4%	Shares	Sole	2022-08-12
2022-03-31	$875,106	159,400	+2.6%	Shares	Sole	2022-05-13
2021-12-31	$967,986	155,375	-1.8%	Shares	Sole	2022-02-09
2021-09-30	$1,113,904	158,225	+1.3%	Shares	Sole	2021-11-15
2021-06-30	$1,118,571	156,225	—	Shares	Sole	2021-08-16
No filing history on record for this holder in this stock.