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Mirion Technologies
MIR

Overview Fund Activity

223 hedge funds and large institutions have $3.36B invested in Mirion Technologies in 2024 Q4 according to their latest regulatory filings, with 74 funds opening new positions, 82 increasing their positions, 55 reducing their positions, and 23 closing their positions.

Holders
223
Holders Change
+47
Holders Change %
+26.7%
% of All Funds
2.97%
Holding in Top 10
6
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+100%
% of All Funds
0.08%
New
74
Increased
82
Reduced
55
Closed
23
Calls
$38.1M
Puts
$2.1M
Net Calls
+$36M
Net Calls Change
+$36.5M

Top Buyers

1
MC
1
Maverick Capital
Texas
$108M
2
Arrowstreet Capital
2
Arrowstreet Capital
Massachusetts
$73.6M
3
Brown Advisory
3
Brown Advisory
Maryland
$66.5M
4
William Blair Investment Management
4
William Blair Investment Management
Illinois
$53.1M
5
AIM
5
Artemis Investment Management
United Kingdom
$38.2M

Top Sellers

1
Goldman Sachs
1
Goldman Sachs
New York
$155M
2
Swedbank
2
Swedbank
Sweden
$106M
3
Alyeska Investment Group
3
Alyeska Investment Group
Illinois
$65.6M
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$2.46M
5
AAM
5
ACK Asset Management
Connecticut
$31.7M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$417M 23,909,802 +227,178 +1%
T. Rowe Price Investment Management
2
T. Rowe Price Investment Management
Maryland
$356M 20,388,146 +216,258 +1%
BlackRock
3
BlackRock
New York
$281M 16,102,061 +129,141 +0.8%
Goldman Sachs
4
Goldman Sachs
New York
$155M 8,875,458 -25,933,562 -75%
Janus Henderson Group
5
Janus Henderson Group
United Kingdom
$145M 8,330,495 +229,718 +3%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$125M 7,185,694 +171,918 +2%
CLG
7
Cooperman Leon G
$123M 7,025,000 -1,000,000 -12%
MC
8
Maverick Capital
Texas
$108M 6,177,611 +5,994,184 +3,268%
Swedbank
9
Swedbank
Sweden
$106M 6,060,500 -4,158,500 -41%
State Street
10
State Street
Massachusetts
$90.8M 5,201,092 -164,636 -3%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$79.8M 4,571,828 +69,373 +2%
Arrowstreet Capital
12
Arrowstreet Capital
Massachusetts
$73.6M 4,214,921 +4,200,894 +29,949%
Brown Advisory
13
Brown Advisory
Maryland
$66.5M 3,812,024 +3,812,024 New
Alyeska Investment Group
14
Alyeska Investment Group
Illinois
$65.6M 3,761,315 -4,057,311 -52%
CCM
15
Corsair Capital Management
New York
$55.3M 3,169,620 +8,770 +0.3%
Millennium Management
16
Millennium Management
New York
$54.2M 3,105,374 +1,557,077 +101%
William Blair Investment Management
17
William Blair Investment Management
Illinois
$53.1M 3,041,016 +3,041,016 New
American Century Companies
18
American Century Companies
Missouri
$41.6M 2,385,033 -1,427,563 -37%
Lord, Abbett & Co
19
Lord, Abbett & Co
New Jersey
$41.3M 2,368,734 +981,199 +71%
ACH
20
ArrowMark Colorado Holdings
Colorado
$41.3M 2,368,550 -631,510 -21%
Select Equity Group
21
Select Equity Group
New York
$40.4M 2,313,419 -2,004,285 -46%
AIM
22
Artemis Investment Management
United Kingdom
$38.2M 2,186,553 +2,186,553 New
BCM
23
Bornite Capital Management
New York
$36.9M 2,117,000 +2,117,000 New
Northern Trust
24
Northern Trust
Illinois
$35.6M 2,041,589 +328,164 +19%
Fidelity International
25
Fidelity International
Bermuda
$35.1M 2,010,893 -500,000 -20%
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