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CONGRESS ASSET MANAGEMENT CO

Position in MIR — Mirion Technologies, Inc.

CIK 897378 BOSTON, MA

Position in MIR

as of Jun 30, 2026 · filed Jul 7, 2026
Position Value
$119,869,831
+$99,159,438 QoQ
Shares Held
6,685,434
+500.1% QoQ
Ownership
2.67%
of shares outstanding
% of Portfolio
0.75%
of 13F equity value
Holder Rank
#1
of 6 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 94.80093588538904.ToString("F0")% Shared 2.865229093578667.ToString("F0")% None 2.333835021032292.ToString("F0")%

Common Shares in MIR Over Time

Shares Held

Position Value (USD)

Position in Specialty Industrial Machinery

Industrials · as of Jun 30, 2026

CONGRESS ASSET MANAGEMENT CO holds $1,227,413,108 across 14 Specialty Industrial Machinery names. MIR ranks #5 (9.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 MIR
Mirion Technologies, Inc.
This page
6,685,434 $119,869,831

All Filings in MIR

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $119,869,831 6,685,434
2026-03-31 $20,710,393 1,114,061