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Mirion Technologies

360 hedge funds and large institutions have $4.71B invested in Mirion Technologies in 2026 Q1 according to their latest regulatory filings, with 60 funds opening new positions, 136 increasing their positions, 131 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed

660% more call options, than puts

Call options by funds: $76.6M | Put options by funds: $10.1M

1.84% more ownership

Funds ownership: 101.77%103.61% (+1.8%)

5% more first-time investments, than exits

New positions opened: 60 | Existing positions closed: 57

4% more repeat investments, than reductions

Existing positions increased: 136 | Existing positions reduced: 131

0% more funds holding in top 10

Funds holding in top 10: 66 (0)

1% less funds holding

Funds holding: 365360 (-5)

20% less capital invested

Capital invested by funds: $5.91B → $4.71B (-$1.19B)

Holders
360
Holders Change
-5
Holders Change %
-1.37%
% of All Funds
4.43%
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.07%
New
60
Increased
136
Reduced
131
Closed
57
Calls
$76.6M
Puts
$10.1M
Net Calls
+$66.6M
Net Calls Change
-$122M
Name Holding Trade Value Shares
Change
Change in
Stake
VIA
176
Vanguard Investments Australia
Australia
$1.1M +$1.33M +58,950 New
State Board of Administration of Florida Retirement System
177
State Board of Administration of Florida Retirement System
Florida
$1.06M
OPERF
178
Oregon Public Employees Retirement Fund
Oregon
$1.04M -$18K -800 -1%
State of Tennessee, Department of Treasury
179
State of Tennessee, Department of Treasury
Tennessee
$1.03M -$428K -18,958 -25%
Asset Management One
180
Asset Management One
Japan
$1.03M +$1.26M +55,723 New
Natixis Advisors
181
Natixis Advisors
Massachusetts
$997K -$1.6M -70,776 -57%
KK
182
KLP Kapitalforvaltning
Norway
$967K +$40.6K +1,800 +4%
TIM
183
Thornburg Investment Management
New Mexico
$959K -$3.94M -174,612 -77%
PEAK6
184
PEAK6
Illinois
$947K +$992K +43,961 +630%
1832 Asset Management
185
1832 Asset Management
Ontario, Canada
$930K
NIP
186
Nicholas Investment Partners
California
$916K -$13.4M -592,382 -92%
Hudson Bay Capital Management
187
Hudson Bay Capital Management
Connecticut
$860K +$141K +6,270 +16%
NICM
188
Neo Ivy Capital Management
New York
$829K +$1.01M +44,607 New
Barclays
189
Barclays
United Kingdom
$814K -$7.45M -330,216 -88%
CAM
190
Cresset Asset Management
Illinois
$791K +$1.26K +56 +0.1%
Blackstone Inc
191
Blackstone Inc
New York
$788K +$957K +42,414 New
QCM
192
Quantinno Capital Management
New York
$775K +$686K +30,419 +270%
OC
193
Oppenheimer & Co
New York
$774K +$172K +7,634 +22%
TMC
194
Themes Management Co
Connecticut
$722K +$318K +14,098 +57%
ET
195
Entropy Technologies
New York
$716K +$869K +38,507 New
SCM
196
Sterling Capital Management
North Carolina
$711K -$689K -30,566 -44%
Twin Tree Management
197
Twin Tree Management
Texas
$708K +$292K +12,941 +51%
ProShare Advisors
198
ProShare Advisors
Maryland
$695K -$211K -9,358 -20%
XT
199
XTX Topco
Cayman Islands
$691K -$1.98M -87,842 -70%
Amundi
200
Amundi
France
$682K +$550K +24,391 +198%