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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
GI
201
GAMMA Investing
California
$5.27K +$3.96K +255 +543%
MMCM
202
Murphy & Mullick Capital Management
New York
$4.36K +$3.88K +250 New
LC
203
Lindbrook Capital
California
$3.6K – – –
AWM
204
Avior Wealth Management
Nebraska
$3.52K -$326 -21 -9%
BTI
205
Blue Trust Inc
Georgia
$2.55K – – –
Amundi
206
Amundi
France
$2.23K +$2.09K +135 New
Parallax Volatility Advisers
207
Parallax Volatility Advisers
California
$2.09K +$1.86K +120 New
JWA
208
JFS Wealth Advisors
Pennsylvania
$1.9K +$372 +24 +28%
BIA
209
Bell Investment Advisors
California
$1.8K – – –
SPIA
210
Steward Partners Investment Advisory
New York
$1.75K +$1.55K +100 New
AF
211
Allworth Financial
California
$1.64K -$310 -20 -18%
AG
212
AmeriFlex Group
Nevada
$1.49K +$1.46K +94 New
EWA
213
EverSource Wealth Advisors
Alabama
$1.41K +$1.26K +81 New
HWM
214
Hemington Wealth Management
Virginia
$1K +$962 +62 +119%
NICM
215
Neo Ivy Capital Management
New York
$1K +$977 +63 New
SIC
216
SJS Investment Consulting
Ohio
$751 -$124 -8 -16%
IA
217
IFP Advisors
Florida
$209 +$186 +12 New
GFPC
218
Global Financial Private Client
Florida
$192 +$171 +11 New
SS
219
SBI Securities
Japan
$175 +$155 +10 New
FFA
220
Farther Finance Advisors
California
$122 – – –
PWM
221
Parkworth Wealth Management
California
$105 +$93 +6 New
A
222
AlphaQuest
New York
$17 -$104K -6,727 -100%
PCP
223
P2 Capital Partners
New York
– -$37.1M -3,350,000 Closed
CM
224
Crestline Management
Texas
– -$10.4M -941,649 Closed
FCM
225
Freshford Capital Management
New York
– -$5.27M -475,801 Closed
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.