MIR

Mirion Technologies, Inc.

Measuring & Controlling Devices, NEC · SIC 3829CIK 1809987Held by 8 tracked managersEDGAR filings ↗10-K/10-Q ↗

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8 managers · Q2 2026 13F

13F bookWeight

Leon Cooperman

Leon CoopermanPosition history →

4.2%

—

$150.3M

$3.55B13F book · 2026-06-30

Maverick Capital

Lee AinsliePosition history →

0.85%

+97.9%

$94.0M

$11.08B13F book · 2026-06-30

Zevenbergen Capital Investments

Zevenbergen Capital InvestmentsPosition history →

0.16%

+22.7%

$7.2M

$4.38B13F book · 2026-06-30

Select Equity Group

Select Equity GroupPosition history →

0.15%

+49.3%

$28.3M

$18.86B13F book · 2026-06-30

Royce & Associates

Royce & AssociatesPosition history →

0.05%

(23.1%)

$6.2M

$12.42B13F book · 2026-06-30

Bridgewater Associates

Bridgewater AssociatesPosition history →

0.03%

+2.1%

$6.4M

$24.38B13F book · 2026-06-30

WCM Investment Management

WCM Investment ManagementPosition history →

0.02%

NEW

$10.3M

$55.16B13F book · 2026-06-30

Holocene Advisors

Holocene AdvisorsPosition history →

0.01%

+297.0%

$6.1M

$43.69B13F book · 2026-06-30

Weight = position value ÷ the manager's total 13F long-equity value in the same filing — one definition for every row. “1st obs.” marks a position with no earlier stored 13F to compare against — it is not shown as a purchase.