T. Rowe Price holds 6.1% of Mirion Technologies (MIR) stock

Rhea-AI Filing Summary

T. Rowe Price Investment Management, Inc. filed an amended Schedule 13G reporting beneficial ownership of 15,112,855 shares of Mirion Technologies Inc. common stock, representing 6.1% of the class as of 12/31/2025. The firm reports sole voting power over 15,076,254 shares and sole dispositive power over 15,112,855 shares, with no shared voting or dispositive power.

T. Rowe Price 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 Mirion. It also affirms that the filing should not be construed as an admission that it is the beneficial owner of the securities.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

MIRION TECHNOLOGIES INC

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

60471A101

(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. 60471A101

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 15,076,254.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 15,112,855.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

15,112,855.00

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)

6.1 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: MIRION TECHNOLOGIES INC
(b)	Address of issuer's principal executive offices: 1218 MENLO DRIVE, ATLANTA, GA, 30318
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 No.: 60471A101
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: 15112855
(b)	Percent of class: 6.1 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 15076254
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 15112855
	(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:	02/17/2026

FAQ

What ownership stake in Mirion Technologies (MIR) does T. Rowe Price report?

T. Rowe Price Investment Management reports beneficial ownership of 15,112,855 Mirion Technologies common shares, equal to 6.1% of the class. This level of ownership makes it a significant institutional holder under U.S. securities disclosure rules.

What voting and dispositive power does T. Rowe Price have over Mirion (MIR) shares?

T. Rowe Price reports sole voting power over 15,076,254 Mirion shares and sole dispositive power over 15,112,855 shares. It reports no shared voting or shared dispositive power over any Mirion common stock in this Schedule 13G/A.

As of what date is T. Rowe Price’s Mirion (MIR) ownership reported?

The ownership information is reported as of December 31, 2025. This date is used to determine the 15,112,855 shares beneficially owned and the corresponding 6.1% of Mirion’s outstanding common stock disclosed in the filing.

Is T. Rowe Price seeking to influence control of Mirion Technologies (MIR)?

T. Rowe Price certifies the Mirion shares were acquired and are held in the ordinary course of business, and not for the purpose of changing or influencing control of the company, consistent with a passive Schedule 13G filing status.

Does T. Rowe Price admit beneficial ownership of Mirion (MIR) shares in this filing?

T. Rowe Price expressly states that the filing should not be construed as an admission it is the beneficial owner of the Mirion securities referenced. It affirmatively denies beneficial ownership notwithstanding the beneficial ownership figures reported.

Why is T. Rowe Price filing a Schedule 13G/A on Mirion Technologies (MIR)?

A Schedule 13G/A is required when an institutional investor exceeds a 5% ownership threshold and qualifies for passive reporting. T. Rowe Price reports owning 6.1% of Mirion common stock and certifies the holdings are in the ordinary course of business.