Mirion Technologies, Inc.

NYSE:MIR Stock Report

Market Cap: US$4.6b

Mirion Technologies Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:MIR Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
10 Dec 25SellUS$8,654,800Lawrence KingsleyIndividual350,000US$24.73
21 Nov 25SellUS$7,148,400Lawrence KingsleyIndividual300,000US$23.83
11 Nov 25SellUS$1,225,683Loic EloyIndividual45,000US$27.24
12 Aug 25SellUS$10,740,783Thomas LoganIndividual500,000US$21.79
05 Aug 25SellUS$472,138Loic EloyIndividual22,166US$21.30
21 May 25SellUS$8,972,350Lawrence KingsleyIndividual500,000US$17.95

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of MIR?
Owner TypeNumber of SharesOwnership Percentage
State or Government74,5010.0269%
Public Companies5,187,4191.87%
Individual Insiders8,443,8273.04%
Institutions263,660,05595.1%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 17.3%.

Top Shareholders

Top 25 shareholders own 75.67% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
15.6%
BlackRock, Inc.
38,199,968US$721.7m4.86%0.01%
12.4%
The Vanguard Group, Inc.
30,346,328US$573.3m-0.24%0.01%
6.52%
T. Rowe Price Group, Inc.
15,947,185US$301.3m-28.8%0.03%
4.16%
Kuwait Investment Authority
10,171,591US$192.2m0%0.73%
3.76%
State Street Global Advisors, Inc.
9,198,795US$173.8m4.34%0.01%
3.44%
FMR LLC
8,409,205US$158.9m-7.32%0.01%
3.43%
Omega Advisors, Inc.
8,383,441US$158.4m0%5.08%
2.37%
Geode Capital Management, LLC
5,786,596US$109.3m2.8%0.01%
2.16%
UBS Asset Management AG
5,296,419US$100.1m2.1%0.01%
2.12%
The Goldman Sachs Group, Inc.
5,187,419US$98.0m0%0.04%
1.88%
Janus Henderson Group plc
4,596,949US$86.8m-40%0.03%
1.68%
Dimensional Fund Advisors LP
4,102,558US$77.5m-33.9%0.01%
1.67%
Goldman Sachs Asset Management, L.P.
4,097,386US$77.4m1.17%0.02%
1.5%
Massachusetts Financial Services Company
3,663,479US$69.2m-32%0.02%
1.46%
Lawrence Kingsley
3,568,030US$67.4m-16.2%no data
1.4%
Thomas Logan
3,428,091US$64.8m6.96%no data
1.39%
Swedbank Robur Fonder AB
3,398,200US$64.2m-15.2%0.04%
1.24%
BNY Asset Management
3,039,370US$57.4m129%0.01%
1.2%
Two Creeks Capital Management, LP
2,923,802US$55.2m-18.8%5.3%
1.16%
Loomis Sayles & Company, L.P.
2,845,619US$53.8m3.04%0.07%
1.14%
Hood River Capital Management LLC
2,780,137US$52.5m0.61%0.52%
1.04%
American Century Investment Management Inc
2,556,724US$48.3m-20.8%0.02%
1%
TCW Group, Inc.
2,452,579US$46.3m0%0.3%
0.99%
Invesco Ltd.
2,424,836US$45.8m20.7%0.01%
0.96%
Charles Schwab Investment Management, Inc.
2,344,275US$44.3m4.91%0.01%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/03/23 11:09
End of Day Share Price 2026/03/20 00:00
Earnings2025/12/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Mirion Technologies, Inc. is covered by 10 analysts. 8 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Robert MasonBaird
Yuan ZhiB. Riley Securities, Inc.
Andrew KaplowitzCitigroup Inc