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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
Envestnet Asset Management
101
Envestnet Asset Management
Illinois
$6.3M +$2.05M +90,882 +37%
ZCI
102
Zevenbergen Capital Investments
Washington
$6.07M +$2.37M +105,000 +47%
AAP
103
Ardsley Advisory Partners
Connecticut
$6.04M
Lazard Asset Management
104
Lazard Asset Management
New York
$5.99M +$4.05M +179,358 +125%
SCA
105
Summit Creek Advisors
Minnesota
$5.87M +$7.13M +315,880 New
EIM
106
Essex Investment Management
Massachusetts
$5.75M +$130K +5,758 +2%
MAM
107
Montanaro Asset Management
United Kingdom
$5.68M +$1.13M +49,900 +20%
California State Teachers Retirement System (CalSTRS)
108
California State Teachers Retirement System (CalSTRS)
California
$5.1M +$1.12M +49,751 +22%
Walleye Capital
109
Walleye Capital
New York
$5.07M +$783K +34,704 +15%
AQR Capital Management
110
AQR Capital Management
Connecticut
$5M -$195K -8,647 -3%
Connor, Clark & Lunn Investment Management (CC&L)
111
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$4.95M +$4.4M +195,181 +275%
Prudential Financial
112
Prudential Financial
New Jersey
$4.64M +$411K +18,235 +8%
State of Wisconsin Investment Board
113
State of Wisconsin Investment Board
Wisconsin
$4.51M +$367K +16,278 +7%
RS
114
Robeco Schweiz
Switzerland
$4.28M
Fifth Third Bancorp
115
Fifth Third Bancorp
Ohio
$4.22M +$5.1M +225,989 +20,017%
Bessemer Group
116
Bessemer Group
New Jersey
$3.67M +$5.3K +235 +0.1%
RHJA
117
Rice Hall James & Associates
California
$3.66M -$66.6K -2,953 -1%
Osaic Holdings
118
Osaic Holdings
Arizona
$3.44M +$4.1M +181,785 +5,573%
VAM
119
Vanguard Asset Management
$3.32M +$4.03M +178,612 New
KCM
120
Kornitzer Capital Management
Kansas
$3.25M +$3.94M +174,665 New
Point72 Asset Management
121
Point72 Asset Management
Connecticut
$3.24M +$3.93M +174,271 New
HBWM
122
Hollow Brook Wealth Management
New York
$3.2M +$9.59K +425 +0.2%
Thrivent Financial for Lutherans
123
Thrivent Financial for Lutherans
Minnesota
$3.04M -$157K -6,979 -4%
Susquehanna International Group
124
Susquehanna International Group
Pennsylvania
$3M +$3.64M +161,350 New
TE
125
Tema ETFs
New York
$2.9M +$1.15M +50,778 +48%