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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.

Q3 2023 vs. Q2 2023

How the institutions holding Mirion Technologies, Inc. changed between Q2 2023 and Q3 2023.

All holders in Q3 2023All holders in Q2 2023

13F holders of MIR: Q2 2023 compared with Q3 2023
MeasureQ2 2023Of which not filed for Q3 2023Q3 2023Change
Holders1241127+4
Shares181.4M22.2K187.9M+6.55M (+3.6%)
Value$1.53B$187.2K$1.40B−$128.8M (−8.4%)

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (16)

Institutions that held Mirion Technologies, Inc. at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to MIR in Q3 2023
InstitutionSharesValue% of portfolio
Essex Investment Management Co LLC259,212$1.94M0.32%
Legato Capital Management LLC120,080$897.0K0.13%
SG Americas Securities, LLC64,317$480.0K0.01%
Versor Investments LP24,700$184.5K0.04%
Pictet Asset Management Holding SA22,027$164.5K0.00%
Walleye Trading LLC18,213$136.1K0.00%
Campbell & CO Investment Adviser LLC16,149$120.6K0.01%
Cipher Capital LP10,130$75.7K0.05%
Simplex Trading, LLC8,053$60.0K0.00%
Comerica Bank305$2.28K0.00%
Quadrant Capital Group LLC284$2.12K0.00%
Bell Investment Advisors, Inc62$4640.00%
JFS Wealth Advisors, LLC43$3220.00%
AdvisorNet Financial, Inc17$1270.00%
SJS Investment Consulting Inc.15$1130.00%
Steward Financial Group LLC53$00.00%

Sold out (12)

Institutions that held Mirion Technologies, Inc. at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of MIR in Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
ING Groep NV500,000$4.22M
Renaissance Technologies LLC258,496$2.18M
Scopus Asset Management, L.P.250,000$2.11M
Hudson Bay Capital Management LP210,188$1.78M
Occudo Quantitative Strategies LP146,450$1.24M
Quantbot Technologies LP20,730$175.2K
HRT Financial LP15,785$133.0K
Verition Fund Management LLC14,118$119.3K
Man Group plc12,700$107.3K
Blue Bell Private Wealth Management, LLC700$5.92K
Byrne Asset Management LLC225$2.00K
CWM, LLC31$0

Not filed for Q3 2023 yet (1)

Institutions that held Mirion Technologies, Inc. at the end of Q2 2023 and haven't filed a 13F for Q3 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MIR in Q2 2023 that haven't filed for Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
Pictet Asset Management SA22,152$187.2K