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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
SC
226
Shellback Capital
Massachusetts
– -$4.53M -408,810 Closed
PCM
227
Portolan Capital Management
Massachusetts
– -$2.62M -236,975 Closed
Russell Investments Group
228
Russell Investments Group
United Kingdom
– -$1.81M -163,766 Closed
CCS
229
Concentric Capital Strategies
Connecticut
– -$1.23M -111,517 Closed
CCM
230
Cinctive Capital Management
New York
– -$944K -85,313 Closed
MA
231
MYDA Advisors
New York
– -$886K -80,000 Closed
Boston Partners
232
Boston Partners
Massachusetts
– -$885K -79,931 Closed
GAM
233
Gotham Asset Management
New York
– -$321K -29,010 Closed
Connor, Clark & Lunn Investment Management (CC&L)
234
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
– -$281K -25,396 Closed
NA
235
Nordwand Advisors
Pennsylvania
– -$277K -25,000 Closed
KAS
236
Kestra Advisory Services
Texas
– -$217K -19,612 Closed
LCS
237
Levin Capital Strategies
New York
– -$166K -15,000 Closed
AC
238
AXQ Capital
New Jersey
– -$143K -12,878 Closed
PP
239
Paloma Partners
Connecticut
– -$122K -11,040 Closed
SG Americas Securities
240
SG Americas Securities
New York
– -$109K -9,875 Closed
NA
241
NewEdge Advisors
Louisiana
– -$14.7K -1,324 Closed
ZA
242
Zazove Associates
Nevada
– -$5.1K -461 Closed
FIA
243
FNY Investment Advisers
New York
– -$1.55K -100 -91%
CPA
244
Capital Performance Advisors
California
– -$852 -77 Closed
ACM
245
Anfield Capital Management
California
– -$498 -45 Closed
CA
246
Claris Advisors
Missouri
– -$133 -12 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.