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MIR Insider Trading

Insider Ownership Percentage: 2.20%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $15,969,476.00

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: $18.78
Price Change: ▲ Price Increase of +0.41 (2.23%)
As of 11/2/2026 12:38 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
5/7/2026Christopher A. MooreCAOSell8,400$19.64$164,976.0022,157View SEC Filing Icon  
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  
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
10/31/2026Covestor Ltd3,701$52K0.0%+64.0%0.001%Search for SEC Filing on Google Icon
10/30/2026Oregon Public Employees Retirement Fund54,600$0.77M0.0%-1.4%0.022%Search for SEC Filing on Google Icon
10/29/2026Hollow Brook Wealth Management LLC218,138$3.08M0.5%-6.9%0.088%Search for SEC Filing on Google Icon
10/29/2026Woodmont Investment Counsel LLC138,409$1.95M0.1%N/A0.056%Search for SEC Filing on Google Icon
10/29/2026Mirae Asset Global Investments Co. Ltd.5,160$73K0.0%N/A0.002%Search for SEC Filing on Google Icon
10/29/2026Profund Advisors LLC11,206$0.16M0.0%-18.2%0.004%Search for SEC Filing on Google Icon
10/29/2026ProShare Advisors LLC33,233$0.47M0.0%-3.9%0.013%Search for SEC Filing on Google Icon
10/28/2026VIRGINIA RETIREMENT SYSTEMS ET Al75,100$1.06M0.0%+387.7%0.030%Search for SEC Filing on Google Icon
10/28/2026Pinnacle Wealth Planning Services Inc.7,096$100K0.0%+30.7%0.003%Search for SEC Filing on Google Icon
10/27/2026Moody Aldrich Partners LLC135,862$1.92M0.4%N/A0.055%Search for SEC Filing on Google Icon
10/27/2026Schwartz Investment Counsel Inc.476,160$6.72M0.2%-17.0%0.191%Search for SEC Filing on Google Icon
10/26/2026Oppenheimer & Co. Inc.45,620$0.64M0.0%+10.9%0.018%Search for SEC Filing on Google Icon
10/26/2026Verdence Capital Advisors LLC12,751$0.18M0.0%N/A0.005%Search for SEC Filing on Google Icon
10/26/2026Deltec Asset Management LLC60,000$0.85M0.1%-25.0%0.024%Search for SEC Filing on Google Icon
10/23/2026Gibbs Wealth Management84,081$1.19M0.1%+5.8%0.034%Search for SEC Filing on Google Icon
10/23/2026Sterling Capital Management LLC7,554$0.11M0.0%-84.6%0.003%Search for SEC Filing on Google Icon
10/22/2026Yousif Capital Management LLC63,822$0.90M0.0%-2.2%0.026%Search for SEC Filing on Google Icon
10/21/2026Diversify Advisory Services LLC126,774$1.97M0.0%+60.9%0.051%Search for SEC Filing on Google Icon
10/20/2026Sumitomo Mitsui DS Asset Management Company Ltd307,840$4.35M0.0%-4.6%0.124%Search for SEC Filing on Google Icon
10/17/2026SteelPeak Wealth LLC18,800$0.27M0.0%N/A0.008%Search for SEC Filing on Google Icon
10/16/2026Vontobel Holding Ltd.29,891$0.42M0.0%-10.5%0.012%Search for SEC Filing on Google Icon
10/15/2026State of Alaska Department of Revenue54,070$0.76M0.0%-41.0%0.022%Search for SEC Filing on Google Icon
10/14/2026Ulland Investment Advisors LLC37,845$0.53M0.4%+155.5%0.015%Search for SEC Filing on Google Icon
10/9/2026GK Wealth Management LLC5,283$75K0.0%N/A0.002%Search for SEC Filing on Google Icon
10/9/2026GAMMA Investing LLC2,579$36K0.0%+65.1%0.001%Search for SEC Filing on Google Icon
10/6/2026Congress Asset Management Co.6,034,528$85.21M0.5%-9.7%2.423%Search for SEC Filing on Google Icon
10/2/2026Versant Capital Management Inc2,505$35K0.0%+42.8%0.001%Search for SEC Filing on Google Icon
9/9/2026Tidal Investments LLC840,683$15.07M0.0%+8.5%0.338%Search for SEC Filing on Google Icon
9/8/2026Nykredit A S7,660$0.14M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/27/2026Corient Private Wealth LP11,931$0.21M0.0%-56.6%0.005%Search for SEC Filing on Google Icon
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al15,400$0.28M0.0%N/A0.006%Search for SEC Filing on Google Icon
8/23/2026Troluce Capital Advisors LLC1,539,212$27.60M2.8%-23.0%0.618%Search for SEC Filing on Google Icon
8/21/2026Nykredit A S7,660$0.14M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/21/2026B. Metzler seel. Sohn & Co. AG144,834$2.60M0.0%N/A0.058%Search for SEC Filing on Google Icon
8/19/2026Wellington Management Group LLP1,098,987$19.71M0.0%+31.2%0.441%Search for SEC Filing on Google Icon
8/11/2026Madison Asset Management LLC190,001$3.41M0.0%N/A0.076%Search for SEC Filing on Google Icon
8/8/2026Summit Creek Advisors LLC198,422$3.56M1.2%N/A0.079%Search for SEC Filing on Google Icon
8/6/2026Bank of New York Mellon Corp1,381,674$24.77M0.0%N/A0.552%Search for SEC Filing on Google Icon
7/10/2026Tema ETFs LLC226,408$4.06M0.1%+45.4%0.090%Search for SEC Filing on Google Icon
7/7/2026Balefire LLC12,618$0.23M0.0%N/A0.005%Search for SEC Filing on Google Icon
6/18/2026Pacer Advisors Inc.64,182$1.19M0.0%-19.9%0.026%Search for SEC Filing on Google Icon
5/22/2026Segall Bryant & Hamill LLC1,111,874$20.67M0.3%-4.9%0.444%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE1,355,298$25.20M0.0%-0.3%0.541%Search for SEC Filing on Google Icon
5/19/2026Janus Henderson Group PLC4,043,089$75.16M0.0%-12.0%1.615%Search for SEC Filing on Google Icon
5/19/2026Altshuler Shaham Ltd13,147$0.24M0.0%+12.3%0.005%Search for SEC Filing on Google Icon
5/18/2026Amundi36,691$0.68M0.0%+198.3%0.015%Search for SEC Filing on Google Icon
5/18/2026California State Teachers Retirement System274,096$5.10M0.0%+22.2%0.109%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada1,961,404$36.46M0.0%-8.7%0.783%Search for SEC Filing on Google Icon
5/18/2026Empowered Funds LLC26,950$0.50M0.0%-90.3%0.011%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company111,658$2.08M0.0%-3.4%0.045%Search for SEC Filing on Google Icon
5/16/2026Maverick Capital Ltd.2,649,879$49.26M0.6%N/A1.058%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP41,705$0.78M0.0%+269.5%0.017%Search for SEC Filing on Google Icon
5/16/2026Lazard Asset Management LLC322,421$5.99M0.0%+125.4%0.129%Search for SEC Filing on Google Icon
5/15/2026Rice Hall James & Associates LLC196,899$3.66M0.2%-1.5%0.079%Search for SEC Filing on Google Icon
5/15/2026Themes Management Co LLC38,837$0.72M0.4%+57.0%0.016%Search for SEC Filing on Google Icon
5/15/2026Entropy Technologies LP38,507$0.72M0.0%N/A0.015%Search for SEC Filing on Google Icon
5/14/2026Gabelli Funds LLC367,980$6.84M0.0%-14.5%0.147%Search for SEC Filing on Google Icon
5/14/2026Gamco Investors INC. ET AL544,662$10.13M0.1%+0.5%0.217%Search for SEC Filing on Google Icon
5/14/2026Bank of Nova Scotia380,186$7.07M0.0%-2.8%0.152%Search for SEC Filing on Google Icon
5/14/2026Gibbs Wealth Management23,922$0.45M0.1%N/A0.010%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.458,359$8.52M0.0%+0.4%0.183%Search for SEC Filing on Google Icon
5/14/2026State of Wyoming6,375$0.12M0.0%-10.1%0.003%Search for SEC Filing on Google Icon
5/13/2026Cetera Investment Advisers24,978$0.46M0.0%+26.7%0.010%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP146,993$2.73M0.0%-57.8%0.059%Search for SEC Filing on Google Icon
5/8/2026PNC Financial Services Group Inc.21,485$0.40M0.0%+17.6%0.009%Search for SEC Filing on Google Icon
5/8/2026Madison Asset Management LLC124,323$2.31M0.0%+119.5%0.050%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP4,694,288$87.24M0.0%+14.4%1.874%Search for SEC Filing on Google Icon
5/7/2026KBC Group NV153,925$2.86M0.0%+1,907.1%0.061%Search for SEC Filing on Google Icon
5/7/2026Swiss National Bank465,900$8.66M0.0%+0.4%0.186%Search for SEC Filing on Google Icon
5/6/2026Jennison Associates LLC942,696$17.53M0.0%-5.0%0.376%Search for SEC Filing on Google Icon
5/6/2026Assetmark Inc.3,454$64K0.0%+8,123.8%0.001%Search for SEC Filing on Google Icon
5/6/2026Allspring Global Investments Holdings LLC1,059,030$19.76M0.0%+2.8%0.423%Search for SEC Filing on Google Icon
5/5/2026Bastion Asset Management Inc.389,158$7.29M2.2%N/A0.155%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp4,536,732$84.34M0.0%+47.4%1.811%Search for SEC Filing on Google Icon
5/5/2026Illinois Municipal Retirement Fund126,334$2.35M0.0%-7.9%0.050%Search for SEC Filing on Google Icon
5/5/2026Sanctuary Advisors LLC29,619$0.55M0.0%-1.9%0.012%Search for SEC Filing on Google Icon
5/5/2026Maryland State Retirement & Pension System35,626$0.66M0.0%-1.8%0.014%Search for SEC Filing on Google Icon
5/4/2026Emerald Mutual Fund Advisers Trust873,466$16.24M0.8%+24.0%0.349%Search for SEC Filing on Google Icon
5/4/2026Emerald Advisers LLC1,381,574$25.68M0.8%+21.5%0.551%Search for SEC Filing on Google Icon
5/4/2026Principal Financial Group Inc.1,196,049$22.24M0.0%-30.0%0.477%Search for SEC Filing on Google Icon
5/4/2026Schwartz Investment Counsel Inc.854,300$15.88M0.6%+7.6%0.341%Search for SEC Filing on Google Icon
5/1/2026Commonwealth of Pennsylvania Public School Empls Retrmt SYS60,504$1.13M0.0%-1.4%0.024%Search for SEC Filing on Google Icon
5/1/2026Fifth Third Bancorp227,118$4.22M0.0%+20,016.7%0.091%Search for SEC Filing on Google Icon
5/1/2026Kornitzer Capital Management Inc. KS174,665$3.25M0.1%N/A0.070%Search for SEC Filing on Google Icon
4/30/2026Oregon Public Employees Retirement Fund55,900$1.04M0.0%-1.4%0.022%Search for SEC Filing on Google Icon
4/29/2026Swedbank AB3,159,950$58.74M0.1%-7.0%1.261%Search for SEC Filing on Google Icon
4/28/2026Marietta Investment Partners LLC14,833$0.28M0.1%-25.7%0.006%Search for SEC Filing on Google Icon
4/28/2026Stephens Investment Management Group LLC1,374,876$25.56M0.4%+69.7%0.549%Search for SEC Filing on Google Icon
4/27/2026New York State Teachers Retirement System89,717$1.67M0.0%-8.3%0.036%Search for SEC Filing on Google Icon
4/27/2026Elevation Point Wealth Partners LLC15,890$0.30M0.0%N/A0.006%Search for SEC Filing on Google Icon
4/25/2026Strs Ohio15,000$0.28M0.0%-27.5%0.006%Search for SEC Filing on Google Icon
4/25/2026Keybank National Association OH13,038$0.24M0.0%-4.8%0.005%Search for SEC Filing on Google Icon
4/24/2026Conestoga Capital Advisors LLC1,831,019$34.04M0.7%-5.6%0.731%Search for SEC Filing on Google Icon
4/24/2026Peregrine Capital Management LLC462,383$8.60M0.3%+14.7%0.185%Search for SEC Filing on Google Icon
4/22/2026Janney Montgomery Scott LLC21,039$0.39M0.0%-5.9%0.008%Search for SEC Filing on Google Icon
4/22/2026Pictet Asset Management Holding SA35,491$0.66M0.0%+6.3%0.014%Search for SEC Filing on Google Icon
4/22/2026Sterling Capital Management LLC38,236$0.71M0.0%-44.4%0.015%Search for SEC Filing on Google Icon
4/21/2026Louisiana State Employees Retirement System108,500$2.02M0.0%N/A0.043%Search for SEC Filing on Google Icon
3/17/2026Rockefeller Capital Management L.P.1,139,037$26.68M0.0%+17.2%0.455%Search for SEC Filing on Google Icon
3/10/2026Montanaro Asset Management Ltd255,400$5.98M1.7%+48.8%0.102%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: $18.78
Low: $18.45
High: $19.21

50 Day Range

MA: $15.68
Low: $14.17
High: $18.61

52 Week Range

Now: $18.78
Low: $14.04
High: $29.76

Volume

2,100,062 shs

Average Volume

3,843,689 shs

Market Capitalization

$4.68 billion

P/E Ratio

156.37

Dividend Yield

N/A

Beta

1.07

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

Mirion Technologies' top insider investors include:
  1. Charterhouse General Partners (Major Shareholder)
  2. Lawrence D Kingsley (Director)
  3. Thomas D Logan (CEO)
  4. Thomas D Logan (CEO)
  5. Brian Schopfer (CFO)
  6. Loic Eloy (Insider)
  7. Emmanuelle Lee (Insider)
  8. Christopher A Moore (CAO)
  9. Gsam Holdings Llc (Director)
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. Congress Asset Management Co. — 2.42%
  2. Schwartz Investment Counsel Inc. — 0.19%
  3. Sumitomo Mitsui DS Asset Management Company Ltd — 0.12%
  4. Hollow Brook Wealth Management LLC — 0.09%
  5. Woodmont Investment Counsel LLC — 0.06%
  6. Moody Aldrich Partners LLC — 0.05%
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. Congress Asset Management Co.
  2. Schwartz Investment Counsel Inc.
  3. Sterling Capital Management LLC
  4. State of Alaska Department of Revenue
  5. Deltec Asset Management LLC
  6. Hollow Brook Wealth Management LLC
  7. Sumitomo Mitsui DS Asset Management Company Ltd
  8. Vontobel Holding Ltd.
Within the previous year, company insiders that have sold Mirion Technologies company stock include:
  1. Lawrence D Kingsley (Director)
  2. Christopher A Moore (CAO)
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. Woodmont Investment Counsel LLC
  2. Moody Aldrich Partners LLC
  3. VIRGINIA RETIREMENT SYSTEMS ET Al
  4. Diversify Advisory Services LLC
  5. Ulland Investment Advisors LLC
  6. SteelPeak Wealth LLC
  7. Verdence Capital Advisors LLC
  8. GK Wealth Management LLC

Mirion Technologies Active Insiders

Thomas D. Logan
Founding Chairman, Chief Executive Officer and Director
Loic Eloy
Loic Eloy
Technologies Group President
Brian Schopfer
CFO
Christopher A Moore
CAO
1 recent trades
Lawrence D Kingsley
Director
Emmanuelle Lee
Emmanuelle Lee
Chief Legal Officer & Chief Compliance Officer
Mr. Thomas D. Logan
Mr. Thomas D. Logan
Founder