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Mirion Technologies

299 hedge funds and large institutions have $4.46B invested in Mirion Technologies in 2025 Q2 according to their latest regulatory filings, with 100 funds opening new positions, 115 increasing their positions, 62 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
299
Holders Change
+70
Holders Change %
+30.57%
% of All Funds
4.01%
Holding in Top 10
6
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-14.29%
% of All Funds
0.08%
New
100
Increased
115
Reduced
62
Closed
29
Calls
$72.9M
Puts
$50.8M
Net Calls
+$22.1M
Net Calls Change
+$5.79M
Name Holding Trade Value Shares
Change
Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$512M +$10.9M +508,544 +2%
T. Rowe Price Investment Management
2
T. Rowe Price Investment Management
Maryland
$451M +$5.32M +247,131 +1%
BlackRock
3
BlackRock
New York
$366M +$18.8M +872,717 +5%
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$172M -$12.9M -599,268 -7%
CLG
5
Cooperman Leon G
$153M +$2.15M +100,000 +1%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$150M -$8.97M -416,574 -6%
Brown Advisory
7
Brown Advisory
Maryland
$116M -$3.45M -160,056 -3%
MC
8
Maverick Capital
Texas
$114M -$59.2M -2,748,071 -34%
State Street
9
State Street
Massachusetts
$110M -$980K -45,497 -0.9%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$102M +$10.1K +471 +0%
Alyeska Investment Group
11
Alyeska Investment Group
Illinois
$95.7M +$6.39M +296,591 +7%
Swedbank
12
Swedbank
Sweden
$88.8M -$27.1M -1,260,965 -23%
Massachusetts Financial Services
13
Massachusetts Financial Services
Massachusetts
$82.5M +$82.5M +3,833,668 New
American Century Companies
14
American Century Companies
Missouri
$72.6M -$1.28M -59,462 -2%
AIM
15
Artemis Investment Management
United Kingdom
$65.2M +$657K +30,533 +1%
CCM
16
Corsair Capital Management
New York
$65.1M -$1M -46,591 -2%
Millennium Management
17
Millennium Management
New York
$62M +$6.77M +314,287 +12%
Invesco
18
Invesco
Georgia
$56.3M +$49.4M +2,295,414 +713%
Lord, Abbett & Co
19
Lord, Abbett & Co
New Jersey
$53M +$1.29M +59,774 +2%
Arrowstreet Capital
20
Arrowstreet Capital
Massachusetts
$49.1M -$10.9M -508,329 -18%
BCM
21
Bornite Capital Management
New York
$44.2M -$271K -12,600 -0.6%
Select Equity Group
22
Select Equity Group
New York
$43.7M -$5.7M -264,677 -12%
DCM
23
Driehaus Capital Management
Illinois
$43.2M +$43.2M +2,007,888 New
Raymond James Financial
24
Raymond James Financial
Florida
$42.5M +$5.48M +254,688 +15%
Northern Trust
25
Northern Trust
Illinois
$41.6M -$825K -38,326 -2%