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Mirion Technologies

362 hedge funds and large institutions have $5.9B invested in Mirion Technologies in 2025 Q4 according to their latest regulatory filings, with 81 funds opening new positions, 145 increasing their positions, 94 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

0% more funds holding in top 10

Funds holding in top 10: 66 (0)

1% less capital invested

Capital invested by funds: $5.93B → $5.9B (-$31.4M)

10.27% less ownership

Funds ownership: 111.92%101.65% (-10%)

Holders
362
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$206M
Puts
$16.9M
Net Calls
Net Calls Change

Top Buyers

1 +$61.2M
2 +$44.1M
3 +$42.8M
4
JP Morgan Chase
JP Morgan Chase
New York
+$35.7M
5
Citadel Advisors
Citadel Advisors
Florida
+$35.7M
Name Holding Trade Value Shares
Change
Change in
Stake
KI
101
Keystone Investors
Singapore
$7.26M
EIM
102
Essex Investment Management
Massachusetts
$7.1M
RA
103
Royce & Associates
New York
$6.88M
ETC
104
Exchange Traded Concepts
Oklahoma
$6.88M
TAF
105
Tredje AP-fonden
Sweden
$6.58M
EF
106
Empowered Funds
Pennsylvania
$6.53M
AQR Capital Management
107
AQR Capital Management
Connecticut
$6.5M
LCM
108
Legato Capital Management
California
$6.48M
GCM
109
Ghisallo Capital Management
Massachusetts
$5.86M
Wellington Management Group
110
Wellington Management Group
Massachusetts
$5.83M
Envestnet Asset Management
111
Envestnet Asset Management
Illinois
$5.8M
Walleye Capital
112
Walleye Capital
New York
$5.58M
Prudential Financial
113
Prudential Financial
New Jersey
$5.42M
RS
114
Robeco Schweiz
Switzerland
$5.39M
State of Wisconsin Investment Board
115
State of Wisconsin Investment Board
Wisconsin
$5.31M
TIM
116
Thornburg Investment Management
New Mexico
$5.3M
California State Teachers Retirement System (CalSTRS)
117
California State Teachers Retirement System (CalSTRS)
California
$5.25M
Comerica Bank
118
Comerica Bank
Texas
$5.22M
MP
119
Munro Partners
Australia
$5.22M
ZCI
120
Zevenbergen Capital Investments
Washington
$5.18M
RHJA
121
Rice Hall James & Associates
California
$4.68M
Bessemer Group
122
Bessemer Group
New Jersey
$4.62M
EI
123
EAM Investors
California
$4.53M
New York State Common Retirement Fund
124
New York State Common Retirement Fund
New York
$4.11M
BFM
125
Boothbay Fund Management
New York
$4.07M