MIR icon

Mirion Technologies

363 hedge funds and large institutions have $5.91B invested in Mirion Technologies in 2025 Q4 according to their latest regulatory filings, with 81 funds opening new positions, 146 increasing their positions, 94 reducing their positions, and 54 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)

0% less capital invested

Capital invested by funds: $5.93B → $5.91B (-$24.9M)

10.16% less ownership

Funds ownership: 111.91%101.75% (-10%)

Holders
363
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
DP
176
DDD Partners
Washington
$1.48M
Mariner
177
Mariner
Kansas
$1.46M
COPPSERS
178
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.44M
TRSOTSOK
179
Teachers Retirement System of the State of Kentucky
Kentucky
$1.42M
Stifel Financial
180
Stifel Financial
Missouri
$1.38M
State Board of Administration of Florida Retirement System
181
State Board of Administration of Florida Retirement System
Florida
$1.34M
TC
182
TwinBeech Capital
New York
$1.34M
OPERF
183
Oregon Public Employees Retirement Fund
Oregon
$1.33M
MAM
184
Madison Asset Management
Wisconsin
$1.33M
KK
185
KLP Kapitalforvaltning
Norway
$1.18M
1832 Asset Management
186
1832 Asset Management
Ontario, Canada
$1.17M
Daiwa Securities Group
187
Daiwa Securities Group
Japan
$1.1M
ProShare Advisors
188
ProShare Advisors
Maryland
$1.09M
ZBNA
189
Zions Bancorporation, National Association
Utah
$1.05M
QCM
190
Qsemble Capital Management
New York
$1.04M
SG Americas Securities
191
SG Americas Securities
New York
$1.03M
CAM
192
Cresset Asset Management
Illinois
$995K
Hudson Bay Capital Management
193
Hudson Bay Capital Management
Connecticut
$937K
LA
194
LBP AM
France
$869K
MSRPS
195
Maryland State Retirement & Pension System
Maryland
$850K
DACS
196
Dymon Asia Capital (Singapore)
Singapore
$814K
OAM
197
Ostrum Asset Management
France
$805K
OC
198
Oppenheimer & Co
New York
$796K
Truist Financial
199
Truist Financial
North Carolina
$793K
Pictet Asset Management
200
Pictet Asset Management
Switzerland
$782K