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Mirion Technologies, Inc.

MIR Industrials
$19.16 +$0.47 (2.51%)
Market Cap: $4.69 B
Gurus Holding
7
Popularity Rank
#1031
% of Shares Held
4.03%
Net Activity (Q4 2025)
-$61.83 M

Guru Ownership Trend

Guru Analysis for Mirion Technologies, Inc. (MIR)

Mirion Technologies, Inc. (MIR), a key player in the Industrials sector, continues to attract institutional attention.

As of Q4 2025, a total of 7 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $193.3 M.

Top institutional holders include Leon Cooperman and Mario Gabelli.

Notably, Leon Cooperman has expressed high conviction in this stock, allocating 6.51% of their equity portfolio to it.

Institutional sentiment is currently Bearish. This is evidenced by a $61.83 M net outflow during the quarter.

Recent activity highlights Ray Dalio who opened a new position. Conversely, Cliff Asness reduced exposure by 5.0%.

Key Holders

Top 5 by Value

$196.34 M
$12.69 M
$11.47 M
$6.88 M
$6.5 M

Top 5 by Conviction

Recent Activity Breakdown (Q4 2025)

+$17.53 M
Total Buy Value
New Buys 3
Additions 2
-$79.37 M
Total Sell Value
Reductions 1
Sold Out 2

Guru Consensus (Q4 2025)

Based on recent activity
Net Sellers
3
Net Buyers
5

FAQs for Mirion Technologies, Inc. (MIR)

Major holders include Leon Cooperman ($196.34 M), Mario Gabelli ($12.69 M), Ray Dalio ($11.47 M). According to the latest reported data, 7 tracked investment managers collectively hold approximately 10.09 M shares.

According to the latest 13F reporting period, sentiment appears Bearish (Net Selling). There was a net outflow of $61.83 M, with 5 managers increasing positions and 3 managers reducing holdings.

During the most recent reporting period, 1 managers trimmed their positions, while 2 fully exited MIR. The total reported sell value was $79.37 M.

Yes, 3 managers opened new positions in MIR, and 2 increased their existing holdings. The total reported buy value was $17.53 M.

Portfolio Manager % Portfolio Activity Shares Value Report Date
6.51% 8,383,441 $196.34 M Q4 2025
0.12% Add 2.9% 541,929 $12.69 M Q4 2025
0.04% New Buy 489,928 $11.47 M Q4 2025
0.07% Add 93.3% 293,918 $6.88 M Q4 2025
0.00% Reduce -5.0% 277,719 $6.5 M Q4 2025
0.01% New Buy 93,039 $2.18 M Q4 2025
0.00% New Buy 8,500 $199,070 Q4 2025
Date
Insider Name
Transaction
Value
Shares
Position / Chg
SEC Form