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Rockefeller Capital Management L.P.

Position in MIR — Mirion Technologies, Inc.

CIK 1739439 NEW YORK, NY

Position in MIR

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$26,287,959
+$397,222 QoQ
Shares Held
1,466,144
+5.3% QoQ
Ownership
0.589%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#36
of 344 holders
Holding Since
Mar 2021
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MIR Over Time

Shares Held

Position Value (USD)

Position in Specialty Industrial Machinery

Industrials · as of Jun 30, 2026

Rockefeller Capital Management L.P. holds $1,298,648,512 across 53 Specialty Industrial Machinery names. MIR ranks #7 (2.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 MIR
Mirion Technologies, Inc.
This page
1,466,144 $26,287,959

All Filings in MIR

Export CSV
7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $26,287,959 1,466,144
2026-03-31 $25,890,737 1,392,724
2025-12-31 $26,676,246 1,139,037
2025-09-30 $22,599,020 971,583
2025-06-30 $546,753 25,395
2025-03-31 $13,604,436 938,237
2021-03-31 GSAH 500