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Mirion Technologies
MIR

224 hedge funds and large institutions have $3.38B invested in Mirion Technologies in 2024 Q4 according to their latest regulatory filings, with 75 funds opening new positions, 82 increasing their positions, 55 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,716% more call options, than puts

Call options by funds: $38.1M | Put options by funds: $2.1M

226% more first-time investments, than exits

New positions opened: 75 | Existing positions closed: 23

100% more funds holding in top 10

Funds holding in top 10: 3 → 6 (+3)

49% more repeat investments, than reductions

Existing positions increased: 82 | Existing positions reduced: 55

49% more capital invested

Capital invested by funds: $2.27B → $3.38B (+$1.11B)

27% more funds holding

Funds holding: 176 → 224 (+48)

5% less ownership

Funds ownership: 91% → 86% (-5%)

Holders
224
Holders Change
+48
Holders Change %
+27.27%
% of All Funds
2.95%
Holding in Top 10
6
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+100%
% of All Funds
0.08%
New
75
Increased
82
Reduced
55
Closed
23
Calls
$38.1M
Puts
$2.1M
Net Calls
+$36M
Net Calls Change
+$36.5M

Top Buyers

1
MC
Maverick Capital
Texas
+$93M
2
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$65.2M
3
Brown Advisory
Brown Advisory
Maryland
+$59.1M
4
William Blair Investment Management
William Blair Investment Management
Illinois
+$47.2M
5
AIM
Artemis Investment Management
United Kingdom
+$33.9M

Top Sellers

1
Goldman Sachs
Goldman Sachs
New York
-$402M
2
Swedbank
Swedbank
Sweden
-$64.5M
3
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$62.9M
4
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$54M
5
AAM
ACK Asset Management
Connecticut
-$37.7M
Name Holding Trade Value Shares
Change 		Change in
Stake
State of Wisconsin Investment Board
151
State of Wisconsin Investment Board
Wisconsin
$452K -$103K -6,665 -20%
JG
152
Jain Global
New York
$448K +$398K +25,665 New
HSBC Holdings
153
HSBC Holdings
United Kingdom
$421K -$16.7K -1,075 -4%
SQA
154
Simon Quick Advisors
New Jersey
$420K +$124K +7,978 +50%
OQS
155
Occudo Quantitative Strategies
Florida
$394K +$350K +22,566 New
XT
156
XTX Topco
Cayman Islands
$394K -$75.2K -4,846 -18%
YIH
157
Y-Intercept (HK)
Hong Kong
$394K +$350K +22,551 New
GGHC
158
Gilder Gagnon Howe & Co
New York
$388K +$345K +22,234 New
Mackenzie Financial
159
Mackenzie Financial
Ontario, Canada
$382K +$144K +9,291 +74%
AIP
160
Ameritas Investment Partners
Nebraska
$377K +$31.5K +2,031 +10%
Jane Street
161
Jane Street
New York
$361K -$1.6M -102,961 -83%
Creative Planning
162
Creative Planning
Kansas
$354K +$148K +9,537 +89%
Mariner
163
Mariner
Kansas
$350K -$310 -20 -0.1%
Envestnet Asset Management
164
Envestnet Asset Management
Illinois
$338K +$13.4K +865 +5%
CWM
165
CIBC World Markets
New York
$337K +$300K +19,332 New
SO
166
STRS Ohio
Ohio
$337K +$299K +19,300 New
IAN
167
Integrated Advisors Network
Texas
$323K +$119K +7,647 +71%
DC
168
Diametric Capital
Massachusetts
$289K +$257K +16,557 New
Teacher Retirement System of Texas
169
Teacher Retirement System of Texas
Texas
$276K -$409K -26,386 -62%
X
170
Xponance
Pennsylvania
$261K +$31.8K +2,048 +16%
Prudential Financial
171
Prudential Financial
New Jersey
$256K – – –
BAM
172
Bosun Asset Management
Illinois
$240K +$213K +13,762 New
Truist Financial
173
Truist Financial
North Carolina
$239K +$1.35K +87 +0.6%
SA
174
Sanctuary Advisors
Indiana
$236K -$6.47K -417 -3%
Principal Financial Group
175
Principal Financial Group
Iowa
$214K -$38.4K -2,479 -17%
5 6
7
8 9

MIR Hedge Fund Activity: Q4 2024 in Review

224 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in Mirion Technologies (MIR) for Q4 2024, worth a combined $3.38B — up 49% from $2.27B a quarter earlier.

Buyers outnumbered sellers: 75 funds opened new MIR positions and 23 closed out — a net gain of 52 holders — while 82 added to existing stakes and 55 trimmed.

The largest buyer was Maverick Capital, adding an estimated $93M. The largest seller was Goldman Sachs, cutting an estimated $402M.

  • 224 institutional investors held Mirion Technologies (MIR) as of Q4 2024, up from 176 in Q3 2024.
  • Funds reported $3.38B of Mirion Technologies stock for Q4 2024, up 49% quarter-over-quarter.
  • 75 funds opened new Mirion Technologies positions in Q4 2024 and 23 closed out, a net change of +52 holders.
  • The largest Mirion Technologies buyer in Q4 2024 was Maverick Capital, an estimated $93M added.
  • The largest Mirion Technologies seller in Q4 2024 was Goldman Sachs, an estimated $402M sold.

Based on aggregated 13F filings for Q4 2024.