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MIR Insider Trading

Insider Ownership Percentage: 2.20%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $31,700,250.00

Mirion Technologies Insider Trading History Chart

This chart shows the insider buying and selling history at Mirion Technologies by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Mirion Technologies Share Price & Price History

Current Price: $25.44
Price Change: ▲ Price Increase of +0.513 (2.06%)
As of 02/3/2026 04:59 PM ET

This chart shows the closing price history over time for MIR up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Mirion Technologies Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
12/10/2025Lawrence D. KingsleyDirectorSell350,000$24.73$8,655,500.003,509,075View SEC Filing Icon  
11/21/2025Lawrence D. KingsleyDirectorSell300,000$23.83$7,149,000.003,900,000View SEC Filing Icon  
8/11/2025Thomas D LoganCEOSell325,000$21.31$6,925,750.003,742,305View SEC Filing Icon  
5/21/2025Lawrence D. KingsleyDirectorSell500,000$17.94$8,970,000.0061,287View SEC Filing Icon  
10/31/2024Emmanuelle LeeInsiderSell3,405$14.27$48,589.35View SEC Filing Icon  
10/24/2024Thomas D. LoganCEOSell7,500$14.11$105,825.001,544,017View SEC Filing Icon  
9/24/2024Emmanuelle LeeinsiderSell5,000$10.60$53,000.00138,193View SEC Filing Icon  
9/24/2024Thomas D. LoganCEOSell7,500$10.47$78,525.001,544,017View SEC Filing Icon  
8/23/2024Thomas D. LoganCEOSell7,500$11.00$82,500.001,544,017View SEC Filing Icon  
8/6/2024Loic EloyInsiderSell22,139$9.91$219,397.49177,663View SEC Filing Icon  
7/24/2024Emmanuelle LeeInsiderSell5,000$10.80$54,000.00View SEC Filing Icon  
7/24/2024Thomas D. LoganCEOSell7,500$10.87$81,525.001,544,017View SEC Filing Icon  
6/26/2024Emmanuelle LeeinsiderSell5,000$10.76$53,800.00138,193View SEC Filing Icon  
6/24/2024Thomas D. LoganCEOSell7,500$10.89$81,675.001,544,017View SEC Filing Icon  
6/13/2024Christopher A. MooreCAOSell8,153$10.29$83,894.3728,128View SEC Filing Icon  
6/6/2024Emmanuelle LeeinsiderSell5,000$10.17$50,850.00138,193View SEC Filing Icon  
5/28/2024Thomas D. LoganCEOSell7,500$10.86$81,450.001,544,017View SEC Filing Icon  
3/20/2024Brian SchopferCFOSell90,910$11.00$1,000,010.00211,167View SEC Filing Icon  
5/30/2023Christopher A. MooreCAOSell3,430$7.92$27,165.6032,206View SEC Filing Icon  
3/7/2023Charterhouse General PartnersMajor ShareholderSell9,786,153$8.64$84,552,361.9214,960,702View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Mirion Technologies (NYSE:MIR)

78.51% of Mirion Technologies stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at MIR by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Mirion Technologies Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/3/2026Ethic Inc.16,271$0.38M0.0%+41.8%0.006%Search for SEC Filing on Google Icon
2/3/2026Pier Capital LLC717,392$16.80M2.7%-9.7%0.283%Search for SEC Filing on Google Icon
2/3/2026Premier Fund Managers Ltd23,605$0.56M0.0%-16.2%0.009%Search for SEC Filing on Google Icon
2/3/2026Swedbank AB3,398,200$79.59M0.1%-15.2%1.339%Search for SEC Filing on Google Icon
2/3/2026Sumitomo Mitsui DS Asset Management Company Ltd399,543$9.36M0.1%-4.4%0.157%Search for SEC Filing on Google Icon
2/2/2026Principal Financial Group Inc.1,707,659$39.99M0.0%+21.9%0.673%Search for SEC Filing on Google Icon
2/2/2026Truist Financial Corp33,856$0.79M0.0%+5.1%0.013%Search for SEC Filing on Google Icon
2/2/2026Strs Ohio20,700$0.49M0.0%-26.9%0.008%Search for SEC Filing on Google Icon
2/2/2026Artemis Investment Management LLP1,971,711$46.18M0.6%+106.8%0.777%Search for SEC Filing on Google Icon
2/2/2026Conestoga Capital Advisors LLC1,938,849$45.41M0.8%+43.4%0.764%Search for SEC Filing on Google Icon
2/2/2026Oppenheimer & Co. Inc.33,981$0.80M0.0%+6.0%0.013%Search for SEC Filing on Google Icon
1/30/2026New York State Teachers Retirement System97,836$2.29M0.0%+79.4%0.039%Search for SEC Filing on Google Icon
1/30/2026Jennison Associates LLC992,583$23.25M0.0%-5.6%0.391%Search for SEC Filing on Google Icon
1/30/2026State of New Jersey Common Pension Fund D90,396$2.12M0.0%-14.1%0.036%Search for SEC Filing on Google Icon
1/29/2026Comerica Bank222,756$5.22M0.0%+24.2%0.088%Search for SEC Filing on Google Icon
1/29/2026Pictet Asset Management Holding SA33,392$0.78M0.0%+19.6%0.013%Search for SEC Filing on Google Icon
1/29/2026UBS Group AG4,852,587$113.65M0.0%+1.2%1.912%Search for SEC Filing on Google Icon
1/29/2026Sanctuary Advisors LLC30,183$0.71M0.0%-3.4%0.012%Search for SEC Filing on Google Icon
1/29/2026Teachers Retirement System of The State of Kentucky60,506$1.42M0.0%+15.2%0.024%Search for SEC Filing on Google Icon
1/29/2026Vanguard Group Inc.30,346,328$710.71M0.0%-0.2%11.957%Search for SEC Filing on Google Icon
1/29/2026Calamos Advisors LLC31,700$0.74M0.0%-28.6%0.012%Search for SEC Filing on Google Icon
1/28/2026Arizona State Retirement System65,478$1.53M0.0%+3.3%0.026%Search for SEC Filing on Google Icon
1/28/2026Peregrine Capital Management LLC403,124$9.44M0.3%-9.0%0.159%Search for SEC Filing on Google Icon
1/28/2026Universal Beteiligungs und Servicegesellschaft mbH325,766$7.63M0.0%+18.1%0.128%Search for SEC Filing on Google Icon
1/27/2026TD Waterhouse Canada Inc.117,973$2.76M0.0%+11,697.3%0.046%Search for SEC Filing on Google Icon
1/27/2026Zurcher Kantonalbank Zurich Cantonalbank 83,766$1.96M0.0%+104.5%0.033%Search for SEC Filing on Google Icon
1/27/2026Tributary Capital Management LLC14,800$0.35M0.0%N/A0.006%Search for SEC Filing on Google Icon
1/26/2026Merit Financial Group LLC8,574$0.20M0.0%N/A0.003%Search for SEC Filing on Google Icon
1/26/2026KBC Group NV7,669$0.18M0.0%+20.8%0.003%Search for SEC Filing on Google Icon
1/26/2026LBP AM SA37,090$0.87M0.0%N/A0.015%Search for SEC Filing on Google Icon
1/23/2026Farther Finance Advisors LLC2,781$65K0.0%+68.4%0.001%Search for SEC Filing on Google Icon
1/23/2026State of Alaska Department of Revenue137,152$3.21M0.0%+9.4%0.054%Search for SEC Filing on Google Icon
1/22/2026Massachusetts Financial Services Co. MA3,663,479$85.80M0.0%-32.1%1.443%Search for SEC Filing on Google Icon
1/22/2026DDD Partners LLC63,038$1.48M0.1%N/A0.025%Search for SEC Filing on Google Icon
1/21/2026Yousif Capital Management LLC66,959$1.57M0.0%-10.7%0.026%Search for SEC Filing on Google Icon
1/21/2026Register Financial Advisors LLC73,650$1.73M0.7%+11.9%0.029%Search for SEC Filing on Google Icon
1/20/2026Stratos Wealth Partners LTD.10,567$0.25M0.0%+4.8%0.004%Search for SEC Filing on Google Icon
1/16/2026Tema Etfs LLC104,962$2.46M0.2%N/A0.041%Search for SEC Filing on Google Icon
1/15/2026Allspring Global Investments Holdings LLC1,030,230$24.55M0.0%+81.5%0.406%Search for SEC Filing on Google Icon
1/15/2026Zevenbergen Capital Investments LLC221,300$5.18M0.1%-4.4%0.087%Search for SEC Filing on Google Icon
1/15/2026Vaughan Nelson Investment Management L.P.1,332,550$31.21M0.3%N/A0.525%Search for SEC Filing on Google Icon
1/14/2026Exchange Traded Concepts LLC293,789$6.88M0.1%+16.1%0.116%Search for SEC Filing on Google Icon
1/7/2026Harbour Capital Advisors LLC12,125$0.29M0.1%N/A0.005%Search for SEC Filing on Google Icon
1/5/2026GAMMA Investing LLC2,242$53K0.0%+138.5%0.001%Search for SEC Filing on Google Icon
1/1/2026JPMorgan Chase & Co.238,340$5.54M0.0%-71.1%0.094%Search for SEC Filing on Google Icon
12/9/2025Tudor Investment Corp ET AL17,500,000$407.05M0.3%+174,900.0%6.895%Search for SEC Filing on Google Icon
12/2/2025Swiss Life Asset Management Ltd9,832$0.23M0.0%N/A0.004%Search for SEC Filing on Google Icon
12/1/2025Polar Asset Management Partners Inc.105,000$2.44M0.0%-2.3%0.041%Search for SEC Filing on Google Icon
11/21/2025CIBC Bancorp USA Inc.25,060$0.58M0.0%N/A0.010%Search for SEC Filing on Google Icon
11/21/2025Ovata Capital Management Ltd100,000$2.33M0.5%N/A0.039%Search for SEC Filing on Google Icon
11/20/2025Maven Securities LTD275,000$6.40M0.2%N/A0.108%Search for SEC Filing on Google Icon
11/18/2025Advisory Services Network LLC1,058$25K0.0%N/A0.000%Search for SEC Filing on Google Icon
11/17/2025NewEdge Advisors LLC4,628$0.11M0.0%N/A0.002%Search for SEC Filing on Google Icon
11/17/2025CANADA LIFE ASSURANCE Co324,608$7.31M0.0%N/A0.128%Search for SEC Filing on Google Icon
11/17/2025Zimmer Partners LP200,000$4.65M0.1%N/A0.079%Search for SEC Filing on Google Icon
11/17/2025Alyeska Investment Group L.P.3,127,745$72.75M0.2%-29.7%1.232%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC162,220$3.77M0.0%-51.6%0.064%Search for SEC Filing on Google Icon
11/17/2025Sandler Capital Management76,526$1.78M0.5%-14.4%0.030%Search for SEC Filing on Google Icon
11/17/2025Polymer Capital Management US LLC27,682$0.64M0.1%N/A0.011%Search for SEC Filing on Google Icon
11/17/2025Prelude Capital Management LLC31,282$0.73M0.1%N/A0.012%Search for SEC Filing on Google Icon
11/17/2025Nomura Holdings Inc.726,962$16.91M0.0%+412.1%0.286%Search for SEC Filing on Google Icon
11/17/2025Northern Trust Corp2,349,786$54.66M0.0%+21.6%0.926%Search for SEC Filing on Google Icon
11/17/2025Mariner LLC35,806$0.83M0.0%-37.7%0.014%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC521,021$12.12M0.0%-81.9%0.205%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.101,430$2.36M0.0%-12.1%0.040%Search for SEC Filing on Google Icon
11/17/2025Kingdon Capital Management L.L.C.375,000$8.72M1.1%-11.8%0.148%Search for SEC Filing on Google Icon
11/17/2025Fortress Investment Group LLC302,431$7.04M0.9%+19,981.7%0.119%Search for SEC Filing on Google Icon
11/17/2025Element Capital Management LLC115,578$2.69M3.8%N/A0.046%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP49,910$1.16M0.0%+51.6%0.020%Search for SEC Filing on Google Icon
11/17/2025Cooperman Leon G8,383,441$195M6.1%+17.7%3.303%Search for SEC Filing on Google Icon
11/17/2025Centiva Capital LP155,000$3.61M0.0%+61.0%0.061%Search for SEC Filing on Google Icon
11/17/2025Chescapmanager LLC1,659,137$38.59M3.7%+24.9%0.654%Search for SEC Filing on Google Icon
11/17/2025Bamco Inc. NY500,000$11.63M0.0%N/A0.197%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE1,419,752$33.02M0.0%+2.6%0.559%Search for SEC Filing on Google Icon
11/17/2025Boothbay Fund Management LLC28,952$0.67M0.0%-69.8%0.011%Search for SEC Filing on Google Icon
11/17/2025ArrowMark Colorado Holdings LLC809,220$18.82M0.3%-51.8%0.319%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.368,415$8.57M0.0%+60.6%0.145%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.1,717,192$39.94M0.0%+559.9%0.677%Search for SEC Filing on Google Icon
11/14/2025Creative Planning130,540$3.04M0.0%+24.3%0.051%Search for SEC Filing on Google Icon
11/14/2025Lazard Asset Management LLC299,956$6.98M0.0%+37.6%0.118%Search for SEC Filing on Google Icon
11/14/2025Polar Asset Management Partners Inc.105,000$2.44M0.0%-2.3%0.041%Search for SEC Filing on Google Icon
11/14/2025SummitTX Capital L.P.25,482$0.59M0.0%-83.0%0.010%Search for SEC Filing on Google Icon
11/14/2025Zacks Investment Management407,098$9.47M0.1%+7.3%0.160%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.1,731,206$40.27M0.0%-12.2%0.682%Search for SEC Filing on Google Icon
11/14/2025Virtu Financial LLC27,771$0.65M0.0%N/A0.011%Search for SEC Filing on Google Icon
11/14/2025Fund 1 Investments LLC43,900$1.02M0.1%N/A0.017%Search for SEC Filing on Google Icon
11/14/2025Freestone Grove Partners LP77,415$1.80M0.0%N/A0.031%Search for SEC Filing on Google Icon
11/14/2025Burkehill Global Management LP350,000$8.14M0.5%N/A0.138%Search for SEC Filing on Google Icon
11/14/2025California State Teachers Retirement System197,969$4.61M0.0%-2.7%0.078%Search for SEC Filing on Google Icon
11/14/2025Davidson Kempner Capital Management LP75,000$1.74M0.0%N/A0.030%Search for SEC Filing on Google Icon
11/14/2025Zurcher Kantonalbank Zurich Cantonalbank 40,963$0.95M0.0%+6.7%0.016%Search for SEC Filing on Google Icon
11/14/2025Alta Park Capital LP611,161$14.22M1.2%N/A0.241%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC390,560$9.08M0.0%-64.2%0.154%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP298,500$6.94M0.0%+941.9%0.118%Search for SEC Filing on Google Icon
11/14/2025Concentric Capital Strategies LP114,483$2.66M0.1%-72.2%0.045%Search for SEC Filing on Google Icon
11/14/2025Ghisallo Capital Management LLC774,900$18.02M0.6%N/A0.305%Search for SEC Filing on Google Icon
11/14/2025Two Creeks Capital Management LP3,598,763$83.71M6.0%N/A1.418%Search for SEC Filing on Google Icon
11/14/2025Comerica Bank179,306$4.17M0.0%+7,272.8%0.071%Search for SEC Filing on Google Icon
11/14/2025Pinnbrook Capital Management LP335,070$7.79M0.9%N/A0.132%Search for SEC Filing on Google Icon
11/14/2025FORA Capital LLC9,436$0.22M0.0%-84.0%0.004%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Mirion Technologies logo
Mirion Technologies, Inc. provides radiation detection, measurement, analysis, and monitoring products and services in the United States, Canada, the United Kingdom, France, Germany, Finland, China, Belgium, Netherlands, Estonia, South Korea, and Japan. It operates through two segments, Medical and Technologies. The Medical segment offers radiation oncology quality assurance and dosimetry solutions; patient safety solutions for diagnostic imaging and radiation therapy centers; radiation therapy quality assurance solutions for calibrating and verifying imaging and treatment accuracy; and radionuclide therapy products for nuclear medicine applications, such as shielding, product handling, medical imaging furniture, and rehabilitation products. This segment supports applications in medical diagnostics, cancer treatment, practitioner safety, and rehabilitation. The Technologies segment focuses on addressing critical radiation safety, measurement, and analysis applications; and provides personal radiation detection, identification equipment, and analysis tools. The company's products and solutions also include nuclear medicines, dosimeters, contamination and clearance monitors, reactor instrumentation and control equipment and systems, medical and industrial imaging systems and related accessories, alpha spectroscopy instruments, alpha/beta counting instruments, and gamma spectroscopy detector systems; and electrical penetration, cancer diagnostics, software, and other services. It serves hospitals, clinics and urgent care facilities, dental and veterinary offices, radiation treatment facilities, OEMs for radiation therapy, laboratories, military organizations, government agencies, industrial companies, power and utility companies, reactor design firms, and NPPs. The company was formerly known as Global Monitoring Systems, Inc. and changed its name to Mirion Technologies, Inc. in January 2006. The company was incorporated in 2005 and is headquartered in Atlanta, Georgia.
Read More on Mirion Technologies

Today's Range

Now: $25.44
Low: $24.57
High: $25.78

50 Day Range

MA: $25.07
Low: $22.95
High: $27.04

52 Week Range

Now: $25.44
Low: $12.00
High: $30.28

Volume

4,163,492 shs

Average Volume

2,266,303 shs

Market Capitalization

$6.46 billion

P/E Ratio

231.32

Dividend Yield

N/A

Beta

0.97

Who are the company insiders with the largest holdings of Mirion Technologies?

Mirion Technologies' top insider investors include:
  1. Lawrence D Kingsley (Director)
  2. Thomas D Logan (CEO)
  3. Thomas D Logan (CEO)
  4. Brian Schopfer (CFO)
  5. Loic Eloy (Insider)
  6. Emmanuelle Lee (Insider)
  7. Christopher A Moore (CAO)
Learn More about top insider investors at Mirion Technologies.

Who are the major institutional investors of Mirion Technologies?

Mirion Technologies' top institutional investors include:
  1. Vanguard Group Inc. — 11.96%
  2. UBS Group AG — 1.91%
  3. Massachusetts Financial Services Co. MA — 1.44%
  4. Swedbank AB — 1.34%
  5. Artemis Investment Management LLP — 0.78%
  6. Conestoga Capital Advisors LLC — 0.76%
Learn More about top institutional investors of Mirion Technologies stock.

Which major investors are selling Mirion Technologies stock?

During the previous quarter, MIR stock was sold by these institutional investors:
  1. Massachusetts Financial Services Co. MA
  2. Swedbank AB
  3. Pier Capital LLC
  4. Vanguard Group Inc.
  5. Jennison Associates LLC
  6. Peregrine Capital Management LLC
  7. IMC Chicago LLC
  8. Sumitomo Mitsui DS Asset Management Company Ltd
Within the previous year, company insiders that have sold Mirion Technologies company stock include:
  1. Lawrence D Kingsley (Director)
  2. Thomas D Logan (CEO)
Learn More investors selling Mirion Technologies stock.

Which major investors are buying Mirion Technologies stock?

In the previous quarter, MIR stock was bought by institutional investors including:
  1. Vaughan Nelson Investment Management L.P.
  2. Artemis Investment Management LLP
  3. Conestoga Capital Advisors LLC
  4. Allspring Global Investments Holdings LLC
  5. Principal Financial Group Inc.
  6. TD Waterhouse Canada Inc.
  7. Tema Etfs LLC
  8. DDD Partners LLC