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MIR Mirion Technologies Inc.

Information Technology, filed as MIRION TECHNOLOGIES INC (COM CL A), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab

Bought by 3 managers in 2026 Q2, sold by 1

  • 4 Owners
  • Max 4.2%
  • $343M
  • 3 add 1 exit

In 2026 Q2 Lee Ainslie, Davidson Kempner Capital Management, and Ron Baron added to Mirion Technologies, while Polen Capital Management sold out.

Who owns this now

Largest portfolio weights among holders, up to 4.2% (Leon Cooperman, Omega Advisors). Not free-float ownership.

  1. Leon Cooperman 4.2%
  2. Lee Ainslie Add 0.83%
  3. Davidson Kempner Capital Mana... Add 0.35%
  4. Ron Baron Add 0.11%

Who owns MIR

Sorted by value, long equity only, as of 2026 Q2.

History
Leon Cooperman, Omega Advisors 4.2% Hold 8,383,441 $150M History
Lee Ainslie, Maverick Capital 0.83%, was 0.57% Add +97.9% 5,245,039 $94M History
Ron Baron, Bamco Inc. (Baron Capital) 0.11%, was 0.07% Add +221.8% 3,906,083 $70M History
Davidson Kempner Capital Management 0.35%, was 0.34% Add +23.2% 1,619,998 $29M History
Polen Capital Management exited 2026 Q2 Last 2026 Q1 <0.01% Exit 0.00% 24,921 $463K History

4 current, 1 exited last period, options excluded

Weight bar: held both quarters added sold at this quarter’s reported price

Insider trades

Open-market buys and sales by MIR's executives, directors and 10% owners in the last 12 months, from their Form 4s

All MIR insider trades
  • $312K bought by 1 insider
  • $17.2M sold by 3 insiders outside a trading plan
  • $3.1M sold by 2 insiders under 10b5-1 plans
  1. Brian Schopfer CFO
    Buy
    $312K 20,000 shares at $15.60 +2.2% to stake
    Traded Sep 2 Filed Sep 2
    ↗
  2. Christopher A. Moore Chief Accounting Officer (PAO)
    Sale
    $165K 8,400 shares at $19.64 28% of stake
    Traded May 7 Filed May 8
    ↗
  3. Lawrence D Kingsley Director
    Sale
    $8.7M 350,000 shares at $24.73 9.1% of stake
    Traded Dec 10, 2025 Filed Dec 12, 2025
    ↗
  4. Lawrence D Kingsley Director
    Sale
    $7.1M 300,000 shares at $23.83 7.1% of stake
    Traded Nov 21, 2025 Filed Nov 21, 2025
    ↗
  5. Loic Eloy Nuclear & Safety President
    Sale
    $1.2M 45,000 shares at $27.24 32% of stake
    Traded Nov 11, 2025 Filed Nov 12, 2025
    ↗
  6. Emmanuelle Lee Chief Legal Officer
    Planned sale
    $343K 12,500 shares at $27.41 13% of stake
    Traded Nov 10, 2025 Filed Nov 12, 2025
    ↗
  7. Brian Schopfer CFO
    Planned sale
    $2.8M 100,000 shares at $27.65 10% of stake
    Traded Nov 6, 2025 Filed Nov 10, 2025
    ↗

Also filed in the last 12 months, not counted as buying or selling: 19 stock grants, 16 share withholdings for taxes, 9 gifts, and 1 sale back to the company.

SEC filings

Recent issuer filings from EDGAR, 15 shown.

Filed Form Detail Links
10-Q Filing Doc
8-K 2.02,9.01 Filing Doc
8-K 8.01,9.01 Filing Doc
10-Q Filing Doc
8-K 2.02,9.01 Filing Doc
8-K 5.02,9.01 Filing Doc
8-K 5.07,9.01 Filing Doc
SCHEDULE 13G — Filing Doc
SCHEDULE 13G — Filing Doc
10-Q Filing Doc
8-K 2.02,9.01 Filing Doc
8-K 5.02,9.01 Filing Doc
DEF 14A Filing Doc
DEF 14A Filing Doc
SCHEDULE 13G/A — Filing Doc

Source: SEC EDGAR submissions, updated 1 day ago. All on EDGAR

Financials

US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.

Income statement

Metric FY2023 FY2024 FY2025
Revenue $800.9M $860.8M $925.4M
Gross profit $356.4M $399.7M $438.6M
Gross margin * 44.5% 46.4% 47.4%
Net income -$96.9M -$36.1M $28.8M
Net margin * -12.1% -4.2% 3.1%

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $538.6M $594.7M $893.7M
Total non-current assets * $2.18B $2.04B $2.69B
Total assets $2.72B $2.64B $3.59B
Total current liabilities $265.7M $263.4M $316.1M
Total non-current liabilities * $0.903B $0.814B $1.36B
Total equity $1.48B $1.51B $1.87B

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations $95.2M $99.1M $143.3M
Cash from investing -$64.7M -$43.7M -$694.6M
Cash from financing $22.6M -$3.3M $775.9M
Net change in cash $55.5M $45.1M $239.6M

Source: SEC companyfacts (US-GAAP 10-K). A * marks a computed figure, not a single XBRL tag. Fiscal years are as the issuer labels them. Follow The Filings does not adjust or audit these figures.

Ownership over time

13Fs that reported it each quarter. Click a bar for that quarter’s holders.