$CECO

$50.15 +$2.36 (4.94%) Close

$CECO Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 58.6M shares outstanding

Who owns CECO?

By type of holder

Institutions 88.0% Insiders 12.0% Everyone else 0.0%

Concentration Top 10 holders own 44.7%

FMR LLC 7.7% · BlackRock, Inc. 7.4%

Institutional ownership

88.0%

+34.2 pts vs last qtr

Institutional holders

342

+77 vs last qtr

Net shares bought

+20.0M

by institutions in Q2 2026

New / sold out

105 / 28

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

FMR LLC +2.2M
BlackRock, Inc. +2.0M

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −907.8K
Farallon Capital Management, L.L.C. SOLD OUT −234.0K

Who is planning to sell?

Notices of proposed sale, last 12 months

$3.72M

2 notices from 2 people

Shares covered

41.2K

0.07% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Johansson Peter K. Officer $2.89M
Nanda Munish Director $830K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+7.7%

+0.83% a year

Each share's claim on the business

−7.2%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$17.2M vs $44M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years39% 3–5 years16% 1–3 years13% Under 1 year31%

Quarterly turnover

41.0%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting CECO on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
F FMR LLC	4.5M	7.72%	+2.2M (+94.3%)	2022	0.0%
Shares held by quarter Peak holding4.5M (Q2'26) Change over 8 quarters+3.7M Share of the company7.720% FMR LLC's full portfolio →
B BlackRock, Inc.	4.3M	7.38%	+2.0M (+89.2%)	≤2021	0.0%
Shares held by quarter Peak holding4.3M (Q2'26) Change over 8 quarters+2.0M Share of the company7.380% BlackRock, Inc.'s full portfolio →

FMR LLC

4.5M

% of company

7.72%

Change vs last qtr

+2.2M (+94.3%)

Held since

2022

BlackRock, Inc.

4.3M

% of company

7.38%

Change vs last qtr

+2.0M (+89.2%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding CECO Environmental Corp., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting CECO on Form N-PORT; together they hold 46.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$152M	1.7M	2.86%	0.01%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$123M	1.4M	2.31%	0.15%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$152M

% of company

2.86%

% of the fund

0.01%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$123M

% of company

2.31%

% of the fund

0.15%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding CECO Environmental Corp. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
JD Jason DeZwirek 5%+ holder 13D · 11.7%	4.2M	7.17%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company7.170% Disclosed stake13D · 11.7% View the 13D/G filing →
GT Gleason Todd R Insider	454.2K	0.78%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.780% Gleason Todd R's insider activity →

Jason DeZwirek

5%+ holder13D · 11.7%

4.2M

% of company

7.17%

Change vs last qtr

—

Held since

—

Gleason Todd R

Insider

454.2K

% of company

0.78%

Change vs last qtr

—

Held since

—

14 more holders behind a free account

See every insider and 5%+ holder of CECO Environmental Corp..

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