Mirion Technologies, Inc.

Historical 13F Holders

Symbol
MIR
CUSIP
60471A101
All holders as of
Q2 2026
Type
Equity
Class
COM CL A
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 60471A101 since 12/18/2024, largest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A 14.8% 10/2/2025
Event 9/30/2025
Vanguard Portfolio Management LLC 13G 7.4% 4/29/2026
Event 3/31/2026
T. Rowe Price Investment Management, Inc. 13G/A 6.1% 2/17/2026
Event 12/31/2025
Vanguard Capital Management LLC 13G 5.0% 4/30/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (3)
Kuwait Investment Authority On Behalf of the Govt of Kuwait 13G/A 4.1% 1/21/2026
Event 7/29/2022
GSAM Holdings LLC 13D/A
2.3% 12/18/2024
Event 12/17/2024
Vanguard Group Inc 13G/A 0% 3/27/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 22 6.21 M $87.7 M
2026 Q2 378 267 M $4.96 B
2026 Q1 382 254 M $4.71 B
2025 Q4 393 255 M $5.96 B
2025 Q3 371 257 M $5.96 B
2025 Q2 328 211 M $4.52 B
2025 Q1 243 191 M $2.77 B
2024 Q4 242 194 M $3.38 B
2024 Q3 186 205 M $2.28 B
2024 Q2 167 200 M $2.14 B
2024 Q1 157 193 M $2.19 B
2023 Q4 142 226 M $2.32 B
2023 Q3 139 190 M $1.42 B
2023 Q2 131 183 M $1.55 B
2023 Q1 127 172 M $1.47 B
2022 Q4 130 158 M $1.04 B
2022 Q3 135 172 M $1.29 B
2022 Q2 123 160 M $922 M
2022 Q1 117 149 M $1.20 B
2021 Q4 107 145 M $1.52 B
2021 Q3 4 1.61 M $16.4 M
2021 Q2 1 2.00 k $20.8 k