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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, Q1 2024

Institutional positions in Mirion Technologies, Inc. as of Mar 31, 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
143
+18 vs. Q4 2023
Shares held
188.6M
+722.9K (+0.4%) vs. Q4 2023
Total value
$2.14B
+$218.4M (+11.3%) vs. Q4 2023
New holders
32
49 more added
Sold out
14
45 more reduced

Compare with Q4 2023: 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 holdersQ1 2024: 143 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 heldQ1 2024: $2.14B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q4 2023.

Institutions holding MIR in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Ameritas Investment Partners, Inc.20,751$235.9K0.01%00.0%Unchanged
Bayesian Capital Management, LP19,849$225.7K0.02%+19,849New
Phoenix Holdings Ltd.16,547$188.2K0.00%+4,754+40.3%Added
Landscape Capital Management, L.L.C.15,330$174.3K0.02%+4,773+45.2%Added
Sherbrooke Park Advisers LLC15,134$172.1K0.03%+15,134New
Prudential Financial Inc14,185$161.3K0.00%−25−0.2%Reduced
State of Wisconsin Investment Board13,836$157.3K0.00%−2,701−16.3%Reduced
Truist Financial Corp13,335$151.6K0.00%+1,000+8.1%Added
Gsa Capital Partners LLP12,892$147.0K0.01%+12,892New
Mackenzie Financial Corp12,617$143.5K0.00%00.0%Unchanged
Xponance, Inc.12,129$137.9K0.00%+59+0.5%Added
Teza Capital Management LLC11,323$128.7K0.02%+207+1.9%Added
Gotham Asset Management, LLC10,695$121.6K0.00%+10,695New
Metropolitan Life Insurance Co10,690$121.5K0.01%−945−8.1%Reduced
LPL Financial LLC10,478$119.1K0.00%−4,000−27.6%Reduced
Central Pacific Bank - Trust Division7,600$84.8K0.01%+7,600New
Amalgamated Bank6,828$78.0K0.00%−10,727−61.1%Reduced
Royal Bank of Canada6,796$77.0K0.00%−57,035−89.4%Reduced
GWM Advisors LLC6,744$76.7K0.00%−9,602−58.7%Reduced
FMR LLC4,571$52.0K0.00%−9,611−67.8%Reduced
Nisa Investment Advisors, LLC2,286$26.0K0.00%+166+7.8%Added
Exchange Traded Concepts, LLC2,083$23.7K0.00%+2,083New
Tower Research Capital LLC (TRC)1,955$22.2K0.00%−50,838−96.3%Reduced
Parallel Advisors, LLC1,611$18.3K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.1,277$14.5K0.00%+27+2.2%Added
Quadrant Capital Group LLC773$8.79K0.00%00.0%Unchanged
Quarry LP712$8.10K0.00%+712New
Comerica Bank666$7.57K0.00%+36+5.7%Added
CIBC Private Wealth Group, LLC400$4.46K0.00%+400New
Albion Financial Group300$3.41K0.00%00.0%Unchanged
Catalyst Funds Management Pty Ltd300$3.41K0.00%+300New
US Bancorp187$2.13K0.00%+187New
Lindbrook Capital, LLC161$1.83K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.150$1.71K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.146$1.66K0.00%00.0%Unchanged
Bell Investment Advisors, Inc136$1.55K0.00%+74+119.4%Added
Allworth Financial LP111$1.26K0.00%−4−3.5%Reduced
FNY Investment Advisers, LLC110$1.00K0.00%−40−26.7%Reduced
JFS Wealth Advisors, LLC47$5350.00%00.0%Unchanged
FinTrust Capital Advisors, LLC25$2850.00%00.0%Unchanged
SJS Investment Consulting Inc.20$2280.00%+3+17.6%Added
Covestor Ltd14$00.00%−1−6.7%Reduced
CWM, LLC23$00.00%+23New
Nomura Holdings Inc0$00.00%−4,916,574−100.0%Sold out
Kohlberg Kravis Roberts & Co. L.P.0$00.00%−3,445,894−100.0%Sold out
Pantechnicon Advisors LLP0$00.00%−1,200,000−100.0%Sold out
Roubaix Capital, LLC0$00.00%−336,031−100.0%Sold out
Pentwater Capital Management LP0$00.00%−335,000−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−82,519−100.0%Sold out
State Board of Administration of Florida Retirement System0$00.00%−57,210−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−51,387−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−50,856−100.0%Sold out
Deerfield Management Company, L.P. (Series C)0$00.00%−16,404−100.0%Sold out
Cipher Capital LP0$00.00%−10,076−100.0%Sold out
Bank of Montreal0$00.00%−1,173−100.0%Sold out
Cutler Group LP0$00.00%−229−100.0%Sold out
AdvisorNet Financial, Inc0$00.00%−19−100.0%Sold out