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Mirion Technologies, Inc.

MIR
Exchange
NYSE
Industry
Measuring & Controlling Devices, NEC
SEC CIK
0001809987

In the last 90 days, Mirion Technologies, Inc. insiders filed 1 open-market purchase and 0 sales; 351 institutions reported holding it in 13F filings for Q2 2026, worth $4.70B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q2 2025

Institutional positions in Mirion Technologies, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
302
+73 vs. Q1 2025
Shares held
207.4M
+22.0M (+11.9%) vs. Q1 2025
Total value
$4.46B
+$1.78B (+66.0%) vs. Q1 2025
New holders
103
115 more added
Sold out
30
62 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MIR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 302 institutions
Q1 2021: 0 institutionsQ2 2021: 1 institutionQ3 2021: 4 institutionsQ4 2021: 93 institutionsQ1 2022: 108 institutionsQ2 2022: 115 institutionsQ3 2022: 121 institutionsQ4 2022: 119 institutionsQ1 2023: 117 institutionsQ2 2023: 124 institutionsQ3 2023: 127 institutionsQ4 2023: 125 institutionsQ1 2024: 143 institutionsQ2 2024: 155 institutionsQ3 2024: 176 institutionsQ4 2024: 224 institutionsQ1 2025: 230 institutionsQ2 2025: 302 institutionsQ3 2025: 343 institutionsQ4 2025: 365 institutionsQ1 2026: 362 institutionsQ2 2026: 351 institutions
Value heldQ2 2025: $4.46B
Q1 2021: $0Q2 2021: $20.8KQ3 2021: $16.4MQ4 2021: $1.52BQ1 2022: $1.20BQ2 2022: $921.8MQ3 2022: $1.27BQ4 2022: $1.01BQ1 2023: $1.45BQ2 2023: $1.53BQ3 2023: $1.40BQ4 2023: $1.93BQ1 2024: $2.14BQ2 2024: $2.12BQ3 2024: $2.27BQ4 2024: $3.38BQ1 2025: $2.69BQ2 2025: $4.46BQ3 2025: $5.93BQ4 2025: $5.91BQ1 2026: $4.71BQ2 2026: $4.70B
Institutions holding MIR and their total value by quarter
QuarterHoldersValue
Q2 2026351$4.70B
Q1 2026362$4.71B
Q4 2025365$5.91B
Q3 2025343$5.93B
Q2 2025302$4.46B
Q1 2025230$2.69B
Q4 2024224$3.38B
Q3 2024176$2.27B
Q2 2024155$2.12B
Q1 2024143$2.14B
Q4 2023125$1.93B
Q3 2023127$1.40B
Q2 2023124$1.53B
Q1 2023117$1.45B
Q4 2022119$1.01B
Q3 2022121$1.27B
Q2 2022115$921.8M
Q1 2022108$1.20B
Q4 202193$1.52B
Q3 20214$16.4M
Q2 20211$20.8K
Q1 20210$0

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q1 2025.

Institutions holding MIR in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Huntington National Bank1$220.00%+1New
Parkworth Wealth Management, Inc.6$1290.00%00.0%Unchanged
Rialto Wealth Management, LLC13$2800.00%+13New
Bay Harbor Wealth Management, LLC15$3220.00%+11+275.0%Added
Signaturefd, LLC15$3230.00%00.0%Unchanged
HFM Investment Advisors, LLC19$4090.00%+13+216.7%Added
SWAN Capital LLC25$5380.00%+25New
SJS Investment Consulting Inc.25$5390.00%−18−41.9%Reduced
Assetmark, Inc28$6030.00%+28New
UMA Financial Services, Inc.29$6250.00%+29New
Steward Partners Investment Advisory, LLC37$7970.00%+37New
DecisionPoint Financial, LLC47$9650.00%+47New
Fortitude Family Office, LLC52$1.12K0.00%+52New
SBI Securities Co., Ltd.54$1.16K0.00%+32+145.5%Added
Bare Financial Services, Inc58$1.25K0.00%+58New
Parkside Financial Bank & Trust70$1.51K0.00%−50−41.7%Reduced
Cullen/Frost Bankers, Inc.79$1.70K0.00%+79New
Larson Financial Group LLC83$1.79K0.00%−106−56.1%Reduced
Toth Financial Advisory Corp85$1.83K0.00%+85New
Russell Investments Group, Ltd.87$1.87K0.00%00.0%Unchanged
Ameriflex Group, Inc.94$2.02K0.00%00.0%Unchanged
Mount Yale Investment Advisors, LLC100$2.15K0.00%+100New
Jones Financial Companies LLLP100$2.17K0.00%+100New
Bell Investment Advisors, Inc103$2.22K0.00%00.0%Unchanged
Highline Wealth Partners LLC126$2.71K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC127$2.73K0.00%+21+19.8%Added
Bryn Mawr Trust Co143$3.08K0.00%+143New
Ronald Blue Trust, Inc.146$3.14K0.00%00.0%Unchanged
Geneos Wealth Management Inc.149$3.21K0.00%+149New
Harbour Investments, Inc.207$4.46K0.00%+207New
Private Trust Co NA227$4.89K0.00%+227New
Murphy & Mullick Capital Management Corp250$5.38K0.00%00.0%Unchanged
IFP Advisors, Inc269$5.79K0.00%+257+2,141.7%Added
Hemington Wealth Management280$6.00K0.00%+79+39.3%Added
CoreCap Advisors, LLC356$7.67K0.00%+356New
Hillsdale Investment Management Inc.400$8.61K0.00%−30−7.0%Reduced
CIBC Private Wealth Group, LLC400$8.61K0.00%00.0%Unchanged
ORG Partners LLC425$8.72K0.00%+335+372.2%Added
Rothschild Investment LLC410$8.83K0.00%+180+78.3%Added
WPG Advisers, LLC463$9.97K0.01%+463New
Public Employees Retirement System of Ohio476$10.2K0.00%+206+76.3%Added
Principal Securities, Inc.480$10.3K0.00%+480New
Allworth Financial LP481$10.4K0.00%+234+94.7%Added
SRS Capital Advisors, Inc.497$10.7K0.00%+497New
Annis Gardner Whiting Capital Advisors, LLC546$11.8K0.00%+546New
Rise Advisors, LLC579$12.5K0.00%00.0%Unchanged
Avion Wealth620$13.0K0.00%00.0%Unchanged
Banque Cantonale Vaudoise594$13.0K0.00%+594New
True Wealth Design, LLC678$14.6K0.01%+666+5,550.0%Added
GAMMA Investing LLC730$15.7K0.00%+228+45.4%Added
Farther Finance Advisors, LLC840$18.1K0.00%+833+11,900.0%Added
Raleigh Capital Management Inc.888$19.1K0.01%+888New
Danske Bank A/S900$19.4K0.00%+900New
University of Texas/Texas Am Investment Managment Co952$20.5K0.00%+952New
Essential Partners LLC971$20.9K0.01%+971New
Bessemer Group Inc953$21.0K0.00%+57+6.4%Added
First Horizon Advisors, Inc.1,037$22.3K0.00%+395+61.5%Added
REAP Financial Group, LLC1,093$23.5K0.01%+1,093New
Clearstead Advisors, LLC1,161$25.0K0.00%+237+25.6%Added
Versant Capital Management, Inc1,355$29.2K0.00%+192+16.5%Added
Global Retirement Partners, LLC1,500$32.3K0.00%+1,500New
Fortress Investment Group LLC1,506$32.4K0.00%+1,506New
EverSource Wealth Advisors, LLC1,642$35.4K0.00%+1,354+470.1%Added
Skopos Labs, Inc.1,655$35.6K0.00%+1,655New
Parallel Advisors, LLC1,807$38.9K0.00%−179−9.0%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.2,264$49.0K0.00%+2,264New
Comerica Bank2,432$52.4K0.00%+1,395+134.5%Added
Central Pacific Bank - Trust Division2,500$53.8K0.01%00.0%Unchanged
Clear Street Markets LLC2,970$63.9K0.02%+1,311+79.0%Added
Quest Partners LLC3,241$69.8K0.01%−364−10.1%Reduced
Nisa Investment Advisors, LLC3,366$72.5K0.00%+651+24.0%Added
Advisor Group Holdings, Inc.5,802$124.7K0.00%+5,160+803.7%Added
Smartleaf Asset Management LLC6,146$133.4K0.01%+941+18.1%Added
State of Wyoming6,233$134.2K0.02%−75,041−92.3%Reduced
KBC Group NV6,348$137.0K0.00%−4,137−39.5%Reduced
US Bancorp6,449$138.8K0.00%−215−3.2%Reduced
Amalgamated Bank7,062$152.0K0.00%00.0%Unchanged
Walleye Trading LLC9,173$197.5K0.00%+9,173New
Forum Financial Management, LP9,315$200.6K0.00%+9,315New
Altshuler Shaham Ltd9,519$204.9K0.01%+9,519New
NBC Securities, Inc.9,804$211.0K0.02%+9,804New
Ethic Inc.9,945$215.9K0.00%+9,945New
Zevenbergen Capital Investments LLC10,200$219.6K0.00%+10,200New
Captrust Financial Advisors10,204$219.7K0.00%+10,204New
Covestor Ltd10,324$222.0K0.13%+10,311+79,315.4%Added
Stifel Financial Corp10,466$225.3K0.00%−2,393−18.6%Reduced
Longboard Asset Management, LP11,594$249.6K0.62%00.0%Unchanged
Cerity Partners LLC11,731$252.6K0.00%+11,731New
Integrated Advisors Network LLC12,171$262.0K0.01%+873+7.7%Added
Baird Financial Group, Inc.12,559$270.4K0.00%+12,559New
Cetera Investment Advisers13,398$288.5K0.00%+13,398New
MML Investors Services, LLC13,448$290.0K0.00%+13,448New
Keybank National Association13,547$291.7K0.00%00.0%Unchanged
Gotham Asset Management, LLC13,603$292.9K0.00%+13,603New
Wolverine Trading, LLC15,011$325.9K0.01%+15,011New
Xponance, Inc.16,659$358.7K0.00%+866+5.5%Added
The PNC Financial Services Group, Inc.16,812$362.0K0.00%−6,086−26.6%Reduced
Wealth Enhancement Advisory Services, LLC17,547$363.4K0.00%+17,547New
CWM, LLC16,910$364.0K0.00%+10,479+162.9%Added
CastleKnight Management LP17,500$376.8K0.02%−45,600−72.3%Reduced