Mirion Technologies, Inc. - Common Stock (MIR)

CUSIP: 60471A101

Q2 2025 13F Holders as of 30 Jun 2025

Type / Class
Equity / Common Stock
Shares outstanding
245,072,565
Total 13F shares
207,351,906
Share change
+17,029,576
Total reported value
$4,463,739,712
Put/Call ratio
68%
Price per share
$21.53
Number of holders
300
Value change
+$390,863,249
Number of buys
214
Number of sells
93

Security key

60471A101

Report period

Q2 2025

Institutions

300

Top holders

10

Top shareholders of MIR - Mirion Technologies, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
KUWAIT INVESTMENT AUTHORITY ON BEHALF OF THE GOVT OF KUWAIT
13D/G
Kuwait Investment Authority, acting for and on behalf of the Government of the State of Kuwait (KIA)
4.1%
10,171,591
$238,218,661 $0 29 Jul 2022
GSAM Holdings LLC
13D/G
GOLDMAN SACHS GROUP INC
2.3%
5,187,419
$77,448,166 $0 17 Dec 2024
VANGUARD GROUP INC
13F
Company
9.5%
23,258,048
$337,241,696 31 Mar 2025
13F
T. Rowe Price Investment Management, Inc.
13F
Company
8.5%
20,710,389
$300,301,000 31 Mar 2025
13F
BlackRock, Inc.
13F
Company
6.6%
16,139,924
$234,028,901 31 Mar 2025
13F
JANUS HENDERSON GROUP PLC
13F
Company
3.5%
8,587,664
$125,636,617 31 Mar 2025
13F
MAVERICK CAPITAL LTD
13F
Company
3.3%
8,056,109
$116,813,581 31 Mar 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
3%
7,363,954
$106,779,298 31 Mar 2025
13F
Leon G. Cooperman
13F
Individual
2.9%
7,025,000
$101,862,500 31 Mar 2025
13F
BROWN ADVISORY INC
13F
Company
2.3%
5,560,461
$80,626,683 31 Mar 2025
13F
Swedbank AB
13F
Company
2.2%
5,387,000
$78,111,500 31 Mar 2025
13F
STATE STREET CORP
13F
Company
2.1%
5,139,569
$74,523,751 31 Mar 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.9%
4,738,769
$68,727,216 31 Mar 2025
13F
Alyeska Investment Group, L.P.
13F
Company
1.7%
4,150,262
$60,178,799 31 Mar 2025
13F
AMERICAN CENTURY COMPANIES INC
13F
Company
1.4%
3,432,814
$49,775,820 31 Mar 2025
13F
CORSAIR CAPITAL MANAGEMENT, L.P.
13F
Company
1.3%
3,072,003
$44,544,044 31 Mar 2025
13F
Artemis Investment Management LLP
13F
Company
1.2%
2,998,435
$43,477,308 31 Mar 2025
13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
Company
1.1%
2,789,509
$40,447,881 31 Mar 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
1%
2,567,660
$37,231,070 31 Mar 2025
13F
LORD, ABBETT & CO. LLC
13F
Company
0.98%
2,399,864
$34,798,000 31 Mar 2025
13F
Select Equity Group, L.P.
13F
Company
0.94%
2,292,236
$33,237,422 31 Mar 2025
13F
ArrowMark Colorado Holdings LLC
13F
Company
0.89%
2,188,926
$31,739,427 31 Mar 2025
13F
Bornite Capital Management LP
13F
Company
0.84%
2,064,300
$29,932,350 31 Mar 2025
13F
NORTHERN TRUST CORP
13F
Company
0.8%
1,971,182
$28,582,140 31 Mar 2025
13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13F
Company
0.71%
1,731,391
$25,105,170 31 Mar 2025
13F
RAYMOND JAMES FINANCIAL INC
13F
Company
0.7%
1,717,848
$24,908,794 31 Mar 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.67%
1,641,075
$23,795,588 31 Mar 2025
13F
ACK Asset Management LLC
13F
Company
0.66%
1,618,356
$23,466,162 31 Mar 2025
13F
UBS Group AG
13F
Company
0.61%
1,497,206
$21,709,487 31 Mar 2025
13F
Nuveen, LLC
13F
Company
0.57%
1,388,424
$20,132,149 31 Mar 2025
13F
Chescapmanager LLC
13F
Company
0.54%
1,327,895
$19,254,478 31 Mar 2025
13F
SILVERCREST ASSET MANAGEMENT GROUP LLC
13F
Company
0.53%
1,310,960
$19,008,920 31 Mar 2025
13F
MORGAN STANLEY
13F
Company
0.5%
1,222,077
$17,720,118 31 Mar 2025
13F
SCHRODER INVESTMENT MANAGEMENT GROUP
13F
Company
0.46%
1,122,671
$16,424,677 31 Mar 2025
13F
VICTORY CAPITAL MANAGEMENT INC
13F
Company
0.41%
1,004,697
$14,568,107 31 Mar 2025
13F
MASTERS CAPITAL MANAGEMENT LLC
13F
Company
0.41%
1,000,000
$14,500,000 31 Mar 2025
13F
SCHWARTZ INVESTMENT COUNSEL INC
13F
Company
0.39%
954,300
$13,837,350 31 Mar 2025
13F
Pier Capital, LLC
13F
Company
0.38%
941,480
$13,651,460 31 Mar 2025
13F
Rockefeller Capital Management L.P.
13F
Company
0.38%
938,237
$13,604,437 31 Mar 2025
13F
JENNISON ASSOCIATES LLC
13F
Company
0.38%
931,867
$13,512,075 31 Mar 2025
13F
CITADEL ADVISORS LLC
13F
Company
0.37%
909,252
$13,184,154 31 Mar 2025
13F
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC
13F
Company
0.37%
896,000
$12,992,000 31 Mar 2025
13F
EMERALD ADVISERS, LLC
13F
Company
0.36%
880,089
$12,761,291 31 Mar 2025
13F
Arosa Capital Management LP
13F
Company
0.35%
868,261
$12,589,785 31 Mar 2025
13F
FIL Ltd
13F
Company
0.33%
810,893
$11,757,949 31 Mar 2025
13F
SEGALL BRYANT & HAMILL, LLC
13F
Company
0.29%
711,349
$10,314,561 31 Mar 2025
13F
Bank of New York Mellon Corp
13F
Company
0.27%
669,138
$9,702,502 31 Mar 2025
13F
ROYCE & ASSOCIATES LP
13F
Company
0.27%
668,643
$9,695,324 31 Mar 2025
13F
Qube Research & Technologies Ltd
13F
Company
0.27%
650,207
$9,428,002 31 Mar 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
0.26%
643,700
$9,333,650 31 Mar 2025
13F

Institutional Holders of Mirion Technologies, Inc. - Common Stock (MIR) as of Q2 2025

As of 30 Jun 2025, Mirion Technologies, Inc. - Common Stock (MIR) was held by 300 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 207,351,906 shares. The largest 10 holders included VANGUARD GROUP INC, T. Rowe Price Investment Management, Inc., BlackRock, Inc., JANUS HENDERSON GROUP PLC, COOPERMAN LEON G, DIMENSIONAL FUND ADVISORS LP, BROWN ADVISORY INC, MAVERICK CAPITAL LTD, STATE STREET CORP, and GEODE CAPITAL MANAGEMENT, LLC. This page lists 301 institutional shareholders reporting positions in this security for the Q2 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
228
Q2 2025 holders
300
Holder diff
72
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 Value $ Q2 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .