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. KingsleyDirector2025-09-30850$22.49
$19.12kBuy
Thomas D. LoganChief Executive Officer2025-08-12175,000$21.79
$3.81MSell
Thomas D. LoganChief Executive Officer2025-08-11325,000$21.31
$6.93MSell
Loic EloyNuclear Safety President2025-08-0522,166$21.30
$472.14kSell
Brian SchopferChief Financial Officer2025-06-2575,000$21.00
$1.58MSell
Brian SchopferChief Financial Officer2025-05-2175,000$18.27
$1.37MSell
Lawrence D. KingsleyDirector2025-05-21150,000$17.94
$2.69MSell
Lawrence D. KingsleyDirector2025-05-21350,000$17.95
$6.28MSell
Brian SchopferChief Financial Officer2025-05-1429,149$17.43
$508.07kSell
Thomas D. LoganChief Executive Officer2025-05-1489,430$17.43
$1.56MSell

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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
Vanguard Group Inc9.36%23,766,592$698.02MInstitution
T Rowe Price Investment Management Inc8.26%20,957,520$615.52MInstitution
Gs Sponsor II LLC8.08%20,518,000$602.61MInsider
Blackrock Inc6.70%17,012,641$499.66MInstitution
Charterhouse General Partners IX Ltd5.89%14,960,702$439.40MInsider
Janus Henderson Group PLC3.15%7,988,396$234.62MInstitution
Cooperman Leon G2.81%7,125,000$209.26MInstitution
Dimensional Fund Advisors LP2.74%6,947,380$204.04MInstitution
Brown Advisory Inc2.13%5,400,405$158.61MInstitution
Maverick Capital Ltd2.09%5,308,038$155.90MInstitution

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MIR vs Specialty Industrial Machinery Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MIR80.25%19.75%Net SellingNet Selling
JBTM89.02%3.68%Net SellingNet Selling
MIDD91.06%8.94%Net Buying
FLS98.53%1.47%Net SellingNet Selling
GTLS77.92%22.08%Net SellingNet Selling

Mirion Technologies Stock Ownership FAQ

Who owns Mirion Technologies?

Mirion Technologies (NYSE: MIR) is owned by 82.01% institutional shareholders, 20.18% 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 $602.61M.

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