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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, Q3 2024

Institutional positions in Mirion Technologies, Inc. as of Sep 30, 2024. 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
176
+22 vs. Q2 2024
Shares held
205.1M
+23.7M (+13.0%) vs. Q2 2024
Total value
$2.27B
+$324.1M (+16.6%) vs. Q2 2024
New holders
36
74 more added
Sold out
14
42 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 holdersQ3 2024: 176 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 heldQ3 2024: $2.27B
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, Q3 2024

Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q2 2024.

Institutions holding MIR in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd13$00.00%00.0%Unchanged
Hemington Wealth Management52$00.00%+52New
Farther Finance Advisors, LLC7$770.00%+7New
Claris Advisors, LLC12$1330.00%+12New
FinTrust Capital Advisors, LLC25$2770.00%00.0%Unchanged
Anfield Capital Management, LLC45$4980.00%+45New
GAMMA Investing LLC47$5200.00%−79−62.7%Reduced
SJS Investment Consulting Inc.51$5650.00%+31+155.0%Added
Capital Performance Advisors LLP77$8520.00%+77New
JFS Wealth Advisors, LLC85$9410.00%+38+80.9%Added
FNY Investment Advisers, LLC110$1.00K0.00%00.0%Unchanged
Bell Investment Advisors, Inc103$1.14K0.00%00.0%Unchanged
Allworth Financial LP112$1.24K0.00%+28+33.3%Added
Ronald Blue Trust, Inc.146$1.57K0.00%00.0%Unchanged
CWM, LLC195$2.00K0.00%+79+68.1%Added
US Bancorp187$2.07K0.00%00.0%Unchanged
Lindbrook Capital, LLC206$2.28K0.00%+4+2.0%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC223$2.47K0.00%+143+178.8%Added
Smartleaf Asset Management LLC325$3.59K0.00%+301+1,254.2%Added
CIBC Private Wealth Group, LLC400$4.43K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.401$4.44K0.00%00.0%Unchanged
Zazove Associates LLC461$5.10K0.00%00.0%Unchanged
Avion Wealth620$6.00K0.00%+620New
Sterling Capital Management LLC626$6.93K0.00%+626New
Optiver Holding B.V.635$7.03K0.00%−1,680−72.6%Reduced
Advisor Group Holdings, Inc.732$8.10K0.00%−578−44.1%Reduced
Clearstead Advisors, LLC732$8.10K0.00%+732New
Quadrant Capital Group LLC773$8.56K0.00%00.0%Unchanged
Comerica Bank1,061$11.7K0.00%+102+10.6%Added
GWM Advisors LLC1,324$14.7K0.00%−3,358−71.7%Reduced
Parallel Advisors, LLC1,531$16.9K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,529$28.0K0.00%−31,104−92.5%Reduced
Nisa Investment Advisors, LLC2,612$28.9K0.00%+162+6.6%Added
KBC Group NV5,748$64.0K0.00%00.0%Unchanged
Quest Partners LLC6,728$74.5K0.01%+5,866+680.5%Added
Amalgamated Bank7,038$78.0K0.00%00.0%Unchanged
Central Pacific Bank - Trust Division7,600$84.1K0.01%00.0%Unchanged
SG Americas Securities, LLC9,875$109.0K0.00%−11,078−52.9%Reduced
SkyView Investment Advisors, LLC10,000$111.0K0.02%+10,000New
Creative Planning10,763$119.1K0.00%−1,081−9.1%Reduced
PEAK6 Investments LLC10,778$119.3K0.01%−10,432−49.2%Reduced
Integrated Advisors Network LLC10,844$120.0K0.01%+10,844New
Paloma Partners Management Co11,040$122.2K0.01%+11,040New
Campbell & CO Investment Adviser LLC12,530$138.7K0.01%−21,640−63.3%Reduced
Mackenzie Financial Corp12,617$139.7K0.00%00.0%Unchanged
Axq Capital, LP12,878$142.6K0.04%+12,878New
Xponance, Inc.12,894$142.7K0.00%+231+1.8%Added
Landscape Capital Management, L.L.C.13,251$146.7K0.01%+13,251New
Truist Financial Corp13,595$150.5K0.00%−234−1.7%Reduced
Arrowstreet Capital, Limited Partnership14,027$155.3K0.00%+14,027New
Prudential Financial Inc14,695$162.7K0.00%−90−0.6%Reduced
Principal Financial Group Inc14,716$162.9K0.00%−5,843−28.4%Reduced
Levin Capital Strategies, L.P.15,000$166.1K0.02%+15,000New
AJOVista, LLC15,623$172.9K0.74%+15,623New
Simon Quick Advisors, LLC16,076$178.0K0.01%+16,076New
FMR LLC17,957$198.8K0.00%+12,947+258.4%Added
Envestnet Asset Management Inc18,521$205.0K0.00%+1,249+7.2%Added
Ameritas Investment Partners, Inc.19,580$216.8K0.01%00.0%Unchanged
Kestra Advisory Services, LLC19,612$217.1K0.00%−3,243−14.2%Reduced
Mariner, LLC20,061$222.1K0.00%−6,445−24.3%Reduced
Exchange Traded Concepts, LLC22,698$251.3K0.01%+10,781+90.5%Added
Sanctuary Advisors, LLC15,330$257.2K0.00%+15,330New
Citadel Advisors LLC23,262$257.5K0.00%+23,262New
Pictet Asset Management Holding SA24,618$272.5K0.00%00.0%Unchanged
Nordwand Advisors, LLC25,000$276.8K0.07%00.0%Unchanged
HSBC Holdings PLC25,104$281.0K0.00%+2,455+10.8%Added
Connor, Clark & Lunn Investment Management Ltd.25,396$281.1K0.00%+25,396New
Susquehanna International Group, LLP26,389$292.1K0.00%−6,821−20.5%Reduced
Royal Bank of Canada26,893$297.0K0.00%+6,402+31.2%Added
Pathstone Holdings, LLC26,861$297.4K0.00%+4,060+17.8%Added
Victory Capital Management Inc27,281$302.0K0.00%+158+0.6%Added
XTX Topco Ltd27,399$303.3K0.02%+27,399New
Zurcher Kantonalbank (Zurich Cantonalbank)28,105$311.1K0.00%00.0%Unchanged
Gotham Asset Management, LLC29,010$321.1K0.00%+8,897+44.2%Added
Allspring Global Investments Holdings, LLC31,902$353.2K0.00%−11,767−26.9%Reduced
State of Wisconsin Investment Board32,561$360.4K0.00%+18,296+128.3%Added
The PNC Financial Services Group, Inc.34,462$381.5K0.00%+912+2.7%Added
ProShare Advisors LLC37,765$418.1K0.00%+10,914+40.6%Added
Teacher Retirement System of Texas42,218$467.0K0.00%−4,759−10.1%Reduced
Intech Investment Management LLC52,641$582.7K0.01%+52,641New
Handelsbanken Fonder AB55,231$611.0K0.00%+8,400+17.9%Added
Arizona State Retirement System55,290$612.1K0.00%+6,322+12.9%Added
State Board of Administration of Florida Retirement System57,210$633.3K0.00%00.0%Unchanged
Oppenheimer & Co Inc58,260$644.9K0.01%+2,595+4.7%Added
Marshall Wace, LLP61,796$684.1K0.00%+61,796New
Voya Investment Management LLC65,479$724.9K0.00%−1,578−2.4%Reduced
Tudor Investment Corp Et Al65,499$725.1K0.01%00.0%Unchanged
Boston Partners79,931$884.8K0.00%−47,218−37.1%Reduced
MYDA Advisors LLC80,000$885.6K0.25%+80,000New
State of Wyoming82,624$914.6K0.13%+78,694+2,002.4%Added
Cinctive Capital Management LP85,313$944.4K0.05%+85,313New
Corebridge Financial, Inc.106,860$1.18M0.01%−658−0.6%Reduced
Manufacturers Life Insurance Company, The108,757$1.20M0.00%−1,265−1.1%Reduced
Mirae Asset Global ETFs Holdings Ltd.109,395$1.21M0.00%+6,894+6.7%Added
Concentric Capital Strategies, LP111,517$1.23M0.08%+111,517New
Renaissance Technologies LLC113,000$1.25M0.00%−61,000−35.1%Reduced
MetLife Investment Management117,259$1.30M0.01%00.0%Unchanged
Price T Rowe Associates Inc123,366$1.37M0.00%+5,492+4.7%Added
Jane Street Group, LLC123,640$1.37M0.00%−311,664−71.6%Reduced
Ardsley Advisory Partners LP125,000$1.38M0.26%+25,000+25.0%Added