T. Rowe Price (CECO) discloses 2.13M shares, 6.0% ownership

Rhea-AI Filing Summary

CECO ENVIRONMENTAL CORP reports institutional ownership disclosure by T. Rowe Price Investment Management, Inc. The filing shows 2,131,845 shares beneficially owned, representing 6.0% of the class as of 03/31/2026. The filer reports sole voting power for 2,127,510 shares and sole dispositive power for 2,131,845 shares. The filing includes a signed certification dated 05/15/2026.

Insights

Institutional Ownership Analyst

Large position disclosed: T. Rowe Price holds 6.0% of CECO.

T. Rowe Price Investment Management reports beneficial ownership of 2,131,845 shares, or 6.0%, with sole voting power over 2,127,510 shares as of 03/31/2026. This is a standard Schedule 13G disclosure for an institutional investor.

Reporting shows voting and dispositive power concentrated in the filer; cash‑flow treatment or planned transactions are not indicated in the excerpt. Subsequent filings would disclose material changes to this stake.

Corporate Governance Specialist

Filing clarifies control attributes and a formal denial of beneficial ownership claim.

The submission includes a statement denying beneficial ownership despite the numeric holdings reported; such language is common when an investment manager files on behalf of accounts it manages. The record ties the position to the manager's reported voting/dispositive powers.

Governance implications depend on aggregation with other holders and any coordinated action; this filing alone is a disclosure of holdings and voting authority as recorded on 03/31/2026.

Key Figures

Beneficial ownership: 2,131,845 shares Percent of class: 6.0% Sole voting power: 2,127,510 shares +2 more

5 metrics

Beneficial ownership 2,131,845 shares as of <date>03/31/2026</date>

Percent of class 6.0% ownership percentage as stated

Sole voting power 2,127,510 shares voting power reported

Sole dispositive power 2,131,845 shares dispositive power reported

CUSIP 125141101 CECO common stock identifier

Key Terms

Schedule 13G, Beneficial ownership, Dispositive power

3 terms

Schedule 13G regulatory

"Name of form: SCHEDULE 13G; institutional investor disclosure"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

Beneficial ownership financial

"Amount beneficially owned: 2131845"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 2131845"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

CECO ENVIRONMENTAL CORP

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

125141101

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 125141101

1

Names of Reporting Persons

T. Rowe Price Investment Management, Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

MARYLAND

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 2,127,510.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 2,131,845.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,131,845.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.0 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: CECO ENVIRONMENTAL CORP
(b)	Address of issuer's principal executive offices: 5080 SPECTRUM DRIVE, SUITE 800E, ADDISON, TX, 75001
Item 2.
(a)	Name of person filing: T. Rowe Price Investment Management, Inc.
(b)	Address or principal business office or, if none, residence: 1307 Point Street, Baltimore, MD 21231
(c)	Citizenship: Maryland
(d)	Title of class of securities: COMMON STOCK
(e)	CUSIP Number(s): 125141101
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 2131845
(b)	Percent of class: 6.0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 2127510
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 2131845
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. T. Rowe Price Investment Management, Inc. hereby declares and affirms that the filing of Schedule 13G shall not be construed as an admission that Price Investment Management is the beneficial owner of the securities referred to, which beneficial ownership is expressly denied.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

T. Rowe Price Investment Management, Inc.

Signature:	Ellen York
Name/Title:	Vice President
Date:	05/15/2026

FAQ

What stake does T. Rowe Price report in CECO (CECO)?

T. Rowe Price reports beneficial ownership of 2,131,845 shares, representing 6.0% of CECO's common stock as of 03/31/2026. The filing lists sole voting power for 2,127,510 shares and sole dispositive power for the full 2,131,845 shares.

What does the Schedule 13G filing date and signature indicate for CECO (CECO)?

The ownership amounts are reported as of 03/31/2026 and the certification is signed on 05/15/2026. This reflects the period covered by the disclosure and the date the filer certified the information to the SEC.

Does the filing state who receives proceeds or plans to sell CECO shares?

The excerpt provides ownership and voting/dispositive power figures but does not state any planned sales or who would receive proceeds. It is a disclosure of holdings; transactional intentions or proceeds recipients are not included in the provided text.

What does the filer mean by denying beneficial ownership in the CECO filing?

The filer includes a statement that the filing "shall not be construed as an admission" of beneficial ownership. This is a legal disclaimer commonly used by investment managers reporting on behalf of client accounts while still disclosing voting and dispositive powers.