| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | $786,972,923 | 35,690,382 | BlackRock, Inc. | 30 Sep 2025 | |||
| VANGUARD GROUP INC | 12% | $707,530,286 | 30,418,327 | The Vanguard Group | 30 Sep 2025 | |||
| KUWAIT INVESTMENT AUTHORITY ON BEHALF OF THE GOVT OF KUWAIT | 4.1% | $238,218,661 | 10,171,591 | Kuwait Investment Authority, acting for and on behalf of the Government of the State of Kuwait (KIA) | 29 Jul 2022 | |||
| GSAM Holdings LLC | 2.3% | $77,448,166 | 5,187,419 | GOLDMAN SACHS GROUP INC | 17 Dec 2024 |
As of 31 Dec 2025, 275 institutional investors reported holding 173,793,865 shares of Mirion Technologies, Inc. - Class A Common Stock, $0.0001 par value per share (MIR). This represents 70% of the company’s total 248,087,585 outstanding shares.
The largest institutional shareholders of Mirion Technologies, Inc. - Class A Common Stock, $0.0001 par value per share (MIR) together control 55% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | 38,199,968 | +4.9% | 0.02% | $894,643,252 |
| VANGUARD GROUP INC | 12% | 30,346,328 | -0.24% | 0.01% | $710,711,002 |
| STATE STREET CORP | 3.7% | 9,198,795 | +4.3% | 0.01% | $215,435,779 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 5,786,596 | +2.8% | 0.01% | $135,545,437 |
| GOLDMAN SACHS GROUP INC | 2.1% | 5,248,506 | +3.8% | 0.02% | $122,920,011 |
| UBS Group AG | 2% | 4,852,587 | +1.2% | 0.02% | $113,647,588 |
| DIMENSIONAL FUND ADVISORS LP | 1.7% | 4,102,558 | -34% | 0.02% | $96,087,235 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.5% | 3,663,479 | -32% | 0.03% | $85,798,680 |
| Swedbank AB | 1.4% | 3,398,200 | -15% | 0.08% | $79,585,844 |
| Bank of New York Mellon Corp | 1.2% | 3,076,945 | +126% | 0.01% | $72,062,067 |
| LOOMIS SAYLES & CO L P | 1.1% | 2,845,619 | +3% | 0.08% | $66,644,397 |
| AMERICAN CENTURY COMPANIES INC | 1% | 2,556,724 | -21% | 0.03% | $59,878,517 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.94% | 2,344,241 | +4.9% | 0.01% | $54,902,124 |
| LORD, ABBETT & CO. LLC | 0.86% | 2,143,558 | -6.3% | 0.15% | $50,202,000 |
| MORGAN STANLEY | 0.85% | 2,096,858 | +60% | 0% | $49,108,463 |
| Nuveen, LLC | 0.81% | 2,012,912 | +27% | 0.01% | $47,142,398 |
| Artemis Investment Management LLP | 0.79% | 1,971,711 | +107% | 0.56% | $46,177,472 |
| Conestoga Capital Advisors, LLC | 0.78% | 1,938,849 | +43% | 0.76% | $45,407,844 |
| FRANKLIN RESOURCES INC | 0.76% | 1,877,123 | +80% | 0.01% | $43,962,223 |
| PRINCIPAL FINANCIAL GROUP INC | 0.69% | 1,707,659 | +22% | 0.02% | $39,993,375 |
| JPMORGAN CHASE & CO | 0.67% | 1,670,064 | +601% | 0% | $39,112,917 |
| Chescapmanager LLC | 0.67% | 1,659,137 | 0% | 6.4% | $38,856,989 |
| BROWN ADVISORY INC | 0.65% | 1,613,051 | -41% | 0.05% | $37,777,659 |
| Alyeska Investment Group, L.P. | 0.62% | 1,531,217 | -51% | 0.1% | $35,861,102 |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 0.54% | 1,332,550 | 0.31% | $31,208,321 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 173,793,865 | $4,071,230,076 | +$94,651,442 | $23.42 | 275 |
| 2025 Q3 | 255,056,050 | $5,931,269,929 | +$1,121,049,770 | $23.26 | 339 |
| 2025 Q2 | 207,351,906 | $4,463,739,712 | +$390,863,249 | $21.53 | 300 |
| 2025 Q1 | 190,143,613 | $2,758,422,550 | -$73,903,530 | $14.50 | 228 |
| 2024 Q4 | 193,940,415 | $3,383,987,298 | -$173,575,773 | $17.45 | 221 |
| 2024 Q3 | 204,602,306 | $2,264,947,633 | +$83,120,387 | $11.07 | 172 |
| 2024 Q2 | 197,272,750 | $2,118,677,881 | +$90,798,200 | $10.74 | 154 |
| 2024 Q1 | 188,536,766 | $2,143,665,971 | +$20,871,393 | $11.37 | 139 |
| 2023 Q4 | 187,870,653 | $1,925,693,855 | +$7,764,495 | $10.25 | 124 |
| 2023 Q3 | 187,912,198 | $1,403,706,732 | +$61,043,099 | $7.47 | 124 |
| 2023 Q2 | 174,773,821 | $1,476,846,436 | +$77,018,708 | $8.45 | 96 |
| 2023 Q1 | 170,036,490 | $1,452,110,276 | +$150,571,811 | $8.54 | 115 |
| 2022 Q4 | 153,291,192 | $1,013,210,591 | -$120,248,912 | $6.61 | 118 |
| 2022 Q3 | 170,652,341 | $1,274,773,618 | +$81,805,780 | $7.47 | 119 |
| 2022 Q2 | 160,031,240 | $921,771,417 | +$53,869,755 | $5.76 | 112 |
| 2022 Q1 | 148,701,807 | $1,200,015,627 | +$16,144,772 | $8.07 | 106 |
| 2021 Q4 | 144,900,158 | $1,517,510,036 | +$1,510,417,095 | $10.47 | 93 |
| 2021 Q3 | 1,606,935 | $16,422,440 | +$16,402,000 | $10.22 | 4 |
| 2021 Q2 | 2,000 | $20,800 | +$20,800 | $10.40 | 1 |