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Mirion Technologies

229 hedge funds and large institutions have $2.76B invested in Mirion Technologies in 2025 Q1 according to their latest regulatory filings, with 46 funds opening new positions, 92 increasing their positions, 67 reducing their positions, and 37 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
229
Holders Change
+6
Holders Change %
+2.69%
% of All Funds
3.11%
Holding in Top 10
7
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+16.67%
% of All Funds
0.1%
New
46
Increased
92
Reduced
67
Closed
37
Calls
$17M
Puts
$689K
Net Calls
+$16.3M
Net Calls Change
-$19.6M
Name Holding Trade Value Shares
Change
Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$337M -$9.45M -651,754 -3%
T. Rowe Price Investment Management
2
T. Rowe Price Investment Management
Maryland
$300M +$4.67M +322,243 +2%
BlackRock
3
BlackRock
New York
$234M +$549K +37,863 +0.2%
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$126M +$3.76M +257,169 +3%
MC
5
Maverick Capital
Texas
$117M +$27.2M +1,878,498 +30%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$107M +$2.58M +178,260 +2%
CLG
7
Cooperman Leon G
$102M
Brown Advisory
8
Brown Advisory
Maryland
$80.6M +$25.4M +1,748,437 +46%
Swedbank
9
Swedbank
Sweden
$78.1M -$9.77M -673,500 -11%
State Street
10
State Street
Massachusetts
$74.5M -$892K -61,523 -1%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$68.7M +$2.42M +166,941 +4%
Alyeska Investment Group
12
Alyeska Investment Group
Illinois
$60.2M +$5.64M +388,947 +10%
American Century Companies
13
American Century Companies
Missouri
$49.8M +$15.2M +1,047,781 +44%
CCM
14
Corsair Capital Management
New York
$44.5M -$1.42M -97,617 -3%
AIM
15
Artemis Investment Management
United Kingdom
$43.5M +$11.8M +811,882 +37%
Arrowstreet Capital
16
Arrowstreet Capital
Massachusetts
$40.4M -$20.7M -1,425,412 -34%
Millennium Management
17
Millennium Management
New York
$37.2M -$7.8M -537,714 -17%
Lord, Abbett & Co
18
Lord, Abbett & Co
New Jersey
$34.8M +$451K +31,130 +1%
Select Equity Group
19
Select Equity Group
New York
$33.2M -$307K -21,183 -0.9%
ACH
20
ArrowMark Colorado Holdings
Colorado
$31.7M -$2.6M -179,624 -8%
BCM
21
Bornite Capital Management
New York
$29.9M -$764K -52,700 -2%
Northern Trust
22
Northern Trust
Illinois
$28.6M -$1.02M -70,407 -3%
William Blair Investment Management
23
William Blair Investment Management
Illinois
$25.1M -$19M -1,309,625 -43%
Raymond James Financial
24
Raymond James Financial
Florida
$24.9M +$10.6M +734,238 +75%
Charles Schwab
25
Charles Schwab
California
$23.8M +$607K +41,864 +3%