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
Lawrence D. KingsleyDirector2025-12-31806$23.70
$19.10kBuy
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$27.65
$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 Inc15.05%38,199,968$859.88MInstitution
Vanguard Group Inc11.96%30,346,328$683.10MInstitution
Gs Sponsor II LLC8.08%20,518,000$461.86MInsider
Charterhouse General Partners IX Ltd5.89%14,960,702$336.77MInsider
State Street Corp3.62%9,198,795$207.06MInstitution
Geode Capital Management LLC2.28%5,786,596$130.26MInstitution
Goldman Sachs Group Inc2.07%5,248,506$118.14MInstitution
Thomas D. Logan2.00%5,072,415$114.18MInsider
Ubs Group Ag1.91%4,852,587$109.23MInstitution
Dimensional Fund Advisors LP1.62%4,102,558$92.35MInstitution

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MIR vs Specialty Industrial Machinery Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MIR68.48%19.71%Net SellingNet Selling
NPO75.94%14.75%Net BuyingNet Buying
CSW88.91%2.25%Net SellingNet Selling
FELE73.50%4.81%Net BuyingNet Buying
MWA78.03%21.97%Net SellingNet Selling

Mirion Technologies Stock Ownership FAQ

Who owns Mirion Technologies?

Mirion Technologies (NYSE: MIR) is owned by 68.48% institutional shareholders, 19.71% Mirion Technologies insiders, and 11.82% 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 $461.86M.

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