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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
LPL Financial
176
LPL Financial
California
$211K +$188K +12,106 New
LCM
177
Landscape Capital Management
New Jersey
$209K -$20K -1,291 -10%
LAM
178
Longboard Asset Management
Arizona
$202K +$180K +11,594 New
Corient Private Wealth
179
Corient Private Wealth
Florida
$187K +$166K +10,700 New
SIA
180
SkyView Investment Advisors
New Jersey
$175K – – –
KBC Group
181
KBC Group
Belgium
$140K +$35K +2,254 +39%
AB
182
Amalgamated Bank
New York
$123K – – –
HFM
183
Harvest Fund Management
China
$120K +$106K +6,858 New
TRCT
184
Tower Research Capital (TRC)
New York
$116K +$63.9K +4,120 +163%
US Bancorp
185
US Bancorp
Minnesota
$109K +$94.2K +6,075 +3,249%
CPBTD
186
Central Pacific Bank - Trust Division
Hawaii
$87.3K -$40.3K -2,600 -34%
Nisa Investment Advisors
187
Nisa Investment Advisors
Missouri
$48.8K +$2.85K +184 +7%
PA
188
Parallel Advisors
California
$30.3K +$3.16K +204 +13%
Comerica Bank
189
Comerica Bank
Texas
$21.7K +$2.87K +185 +17%
Optiver Holding
190
Optiver Holding
Netherlands
$19.6K +$7.57K +488 +77%
Bessemer Group
191
Bessemer Group
New Jersey
$19K +$17.2K +1,110 New
QCG
192
Quadrant Capital Group
Ohio
$17.2K +$3.33K +215 +28%
CA
193
Clearstead Advisors
Ohio
$16.1K +$2.98K +192 +26%
Osaic Holdings
194
Osaic Holdings
Arizona
$15.7K +$2.64K +170 +23%
ACM
195
Aster Capital Management
United Arab Emirates
$14.9K +$13.3K +855 New
SAM
196
Smartleaf Asset Management
Massachusetts
$13.3K +$6.79K +438 +135%
AW
197
Avion Wealth
Texas
$10K – – –
Carson Wealth (CWM LLC)
198
Carson Wealth (CWM LLC)
Nebraska
$10K +$5.83K +376 +193%
AAP
199
Arax Advisory Partners
Colorado
$7.64K +$574 +37 +9%
CIBC Private Wealth Group
200
CIBC Private Wealth Group
Georgia
$6.62K – – –
6 7
8
9 10

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.