Royal Bank of Canada discloses 6.62% ATS (ATS) ownership stake

Rhea-AI Filing Summary

Royal Bank of Canada has filed an amended beneficial ownership report for ATS Corporation common stock. As of 12/31/2025, it reports beneficial ownership of 6,486,790 shares, representing 6.62% of the outstanding common stock.

All of these shares are reported with shared voting and dispositive power, with no sole voting or dispositive authority. The filing states the securities were acquired and are held in the ordinary course of business, and not for the purpose of changing or influencing control of ATS Corporation.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

ATS Corporation

(Name of Issuer)

Common Stock

(Title of Class of Securities)

00217Y104

(CUSIP Number)

12/31/2025

(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)

SCHEDULE 13G

CUSIP No. 00217Y104

1

Names of Reporting Persons

Royal Bank of Canada

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

CANADA (FEDERAL LEVEL)

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 6,486,790.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 6,486,790.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

6,486,790.00

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)

6.62 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: ATS Corporation
(b)	Address of issuer's principal executive offices: 730 Fountain Street North, Cambridge, Ontario, Canada, N3H 4R7
Item 2.
(a)	Name of person filing: Royal Bank of Canada
(b)	Address or principal business office or, if none, residence: 200 Bay Street, Toronto, Ontario, M5J QJ5, Canada
(c)	Citizenship: Canada
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 00217Y104
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: 6,486,790
(b)	Percent of class: 6.62 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 6,486,790
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 6,486,790
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.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. RBC Capital Markets, LLC: A broker -dealer registered under section 15 of the Act (15 U.S.C 78o). RBC Global Asset Management Inc.: An investment adviser in accordance with ss.240.13d-1(b)(1)(ii)(E). RBC Phillips Hager & North Investment Counsel Inc.: A non-U.S. institution in accordance with Rule 240.13d-1(b)(1)(ii)(J). RBC Private Counsel (USA) Inc.: An investment adviser in accordance with ss.240.13d-1(b)(1)(ii)(E). Royal Trust Corporation of Canada, GFC Partnership and RT Partnership are entities that beneficially own in aggregate less than one percent of the reported securities.
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.

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.

Royal Bank of Canada

Signature:	/s/ Terry Fallon
Name/Title:	Managing Director
Date:	02/12/2026

Exhibit Information

99.1 Power of Attorney https://www.sec.gov/Archives/edgar/data/1000275/000121465925015105/ex99_1.htm

FAQ

What percentage of ATS (ATS) does Royal Bank of Canada currently own?

Royal Bank of Canada reports beneficial ownership of 6.62% of ATS common stock. This corresponds to 6,486,790 shares as of December 31, 2025, giving it a significant but minority stake in the company’s outstanding common shares.

How many ATS (ATS) shares does Royal Bank of Canada report holding?

Royal Bank of Canada reports beneficial ownership of 6,486,790 ATS common shares. This position represents 6.62% of the company’s common stock, according to the Schedule 13G/A amendment reflecting ownership as of December 31, 2025.

Does Royal Bank of Canada control voting for its ATS (ATS) shares?

Royal Bank of Canada reports no sole voting power over ATS shares, but shared voting power over 6,486,790 shares. It likewise reports shared dispositive power over the same amount, with no sole dispositive authority over the ATS common stock position.

Is Royal Bank of Canada’s ATS (ATS) stake intended to influence control of the company?

The filing states the ATS shares were acquired and are held in the ordinary course of business. It further certifies they were not acquired and are not held to change or influence control of ATS Corporation, nor as part of any such control-related transaction.

Which Royal Bank of Canada affiliates are associated with the ATS (ATS) holdings?

Affiliates identified include RBC Capital Markets, LLC, RBC Global Asset Management Inc., RBC Phillips Hager & North Investment Counsel Inc., RBC Private Counsel (USA) Inc., and certain Royal Trust entities that together beneficially own less than one percent of the reported securities.

What type of filing did Royal Bank of Canada submit regarding ATS (ATS)?

Royal Bank of Canada submitted an Amendment No. 1 to a Schedule 13G reporting its ATS holdings. This type of filing discloses beneficial ownership of more than five percent of a class of registered equity securities, without indicating an activist or control intent.