NYSE: MIR
Mirion Technologies Inc Stock Ownership - Who owns Mirion Technologies?

Insider buying vs selling

Have Mirion Technologies Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Thomas D. LoganChief Executive Officer2025-12-2739,863$23.76
$947.14kSell
Alison UlrichChief Human Resources Officer2025-12-27134$23.76
$3.18kSell
Brian SchopferChief Financial Officer2025-12-278,500$23.76
$201.96kSell
Emmanuelle LeeChief Legal Officer2025-12-275,913$23.76
$140.49kSell
Lawrence D. KingsleyDirector2025-12-10350,000$24.73
$8.65MSell
Lawrence D. KingsleyDirector2025-11-21300,000$23.83
$7.15MSell
Loic EloyNuclear Safety President2025-11-1145,000$27.24
$1.23MSell
Emmanuelle LeeChief Legal Officer2025-11-1012,500$27.41
$342.64kSell
Brian SchopferChief Financial Officer2025-11-0650,000$27.66
$1.38MSell
Brian SchopferChief Financial Officer2025-11-0650,000$27.65
$1.38MSell

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Net Insider Buy/Sell (L12M) Ownership

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MIR Shareholders

What type of owners hold Mirion Technologies Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc14.35%36,430,491$868.14MInstitution
Vanguard Group Inc11.99%30,418,327$724.87MInstitution
T Rowe Price Investment Management Inc8.50%21,566,642$513.93MInstitution
Gs Sponsor II LLC8.08%20,518,000$488.94MInsider
Tudor Investment Corp Et Al6.90%17,500,000$417.03MInstitution
Charterhouse General Partners IX Ltd5.89%14,960,702$356.51MInsider
Fmr LLC3.58%9,078,301$216.34MInstitution
State Street Corp3.47%8,816,346$210.09MInstitution
Cooperman Leon G3.30%8,383,441$199.78MInstitution
Janus Henderson Group PLC3.02%7,661,937$182.58MInstitution

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MIR vs Specialty Industrial Machinery Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MIR83.65%16.35%Net SellingNet Selling
GTES89.11%10.89%Net BuyingNet Selling
SMR32.50%51.01%Net SellingNet Selling
CSW93.00%2.24%Net SellingNet Selling
MIDD90.30%9.70%Net BuyingNet Buying

Mirion Technologies Stock Ownership FAQ

Who owns Mirion Technologies?

Mirion Technologies (NYSE: MIR) is owned by 100.79% institutional shareholders, 19.71% Mirion Technologies insiders, and 0.00% retail investors. Gs Sponsor II LLC is the largest individual Mirion Technologies shareholder, owning 20.52M shares representing 8.08% of the company. Gs Sponsor II LLC's Mirion Technologies shares are currently valued at $505.77M.

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