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Mirion Technologies
MIR

127 hedge funds and large institutions have $1.4B invested in Mirion Technologies in 2023 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 63 increasing their positions, 28 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,069% more call options, than puts

Call options by funds: $17.1M | Put options by funds: $1.47M

125% more repeat investments, than reductions

Existing positions increased: 63 | Existing positions reduced: 28

50% more funds holding in top 10

Funds holding in top 10: 2 → 3 (+1)

33% more first-time investments, than exits

New positions opened: 16 | Existing positions closed: 12

2.98% more ownership

Funds ownership: 83.24% → 86.22% (+3%)

2% more funds holding

Funds holding: 124 → 127 (+3)

8% less capital invested

Capital invested by funds: $1.53B → $1.4B (-$129M)

Holders
127
Holders Change
+3
Holders Change %
+2.42%
% of All Funds
2.02%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.05%
New
16
Increased
63
Reduced
28
Closed
12
Calls
$17.1M
Puts
$1.47M
Net Calls
+$15.7M
Net Calls Change
+$1.35M

Top Buyers

Rank Fund Capital Flow
1
Alyeska Investment Group
Alyeska Investment Group
Illinois
+$18.9M
2
Vanguard Group
Vanguard Group
Pennsylvania
+$16M
3
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$10.3M
4
BlackRock
BlackRock
New York
+$7.81M
5
PCP
P2 Capital Partners
New York
+$7.75M

Top Sellers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
-$33.2M
2
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$7.69M
3
Nomura Holdings
Nomura Holdings
Japan
-$4.44M
4
IG
ING Group
Netherlands
-$4.22M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
-$4.08M
Name Holding Trade Value Shares
Change 		Change in
Stake
N
26
Nuveen
North Carolina
$10.3M +$568K +72,073 +6%
B
27
Bpifrance
France
$9.61M – – –
Barrow, Hanley, Mewhinney & Strauss
28
Barrow, Hanley, Mewhinney & Strauss
Texas
$6.89M -$2.19M -277,583 -23%
GI
29
GAMCO Investors
Connecticut
$5.95M +$4.46M +566,070 +246%
CWM
30
CIBC World Markets
New York
$5.79M – – –
Adage Capital Partners
31
Adage Capital Partners
Massachusetts
$5.74M +$140K +17,772 +2%
GF
32
Gabelli Funds
New York
$5.44M +$47.3K +6,000 +0.8%
Bank of New York Mellon
33
Bank of New York Mellon
New York
$5.36M +$352K +44,710 +7%
PCM
34
Pentwater Capital Management
Florida
$4.32M -$2.14M -271,814 -32%
CC
35
Carlson Capital
Texas
$4.21M +$98.2K +12,465 +2%
Citigroup
36
Citigroup
New York
$3.77M +$3.47M +439,905 +681%
RC
37
Roubaix Capital
Colorado
$3.75M +$19.8K +2,509 +0.5%
Fidelity Investments
38
Fidelity Investments
Massachusetts
$3.68M -$33.2M -4,213,833 -90%
Citadel Advisors
39
Citadel Advisors
Florida
$3.27M +$3.36M +426,054 +3,596%
SC
40
Sculptor Capital
New York
$3.06M -$394K -50,000 -11%
Swiss National Bank
41
Swiss National Bank
Switzerland
$2.86M +$221K +28,100 +8%
TD Asset Management
42
TD Asset Management
Ontario, Canada
$2.51M +$114K +14,496 +5%
Select Equity Group
43
Select Equity Group
New York
$2.47M +$369K +46,863 +17%
Russell Investments Group
44
Russell Investments Group
United Kingdom
$2.42M +$107K +13,607 +4%
RhumbLine Advisers
45
RhumbLine Advisers
Massachusetts
$2.38M +$20.4K +2,591 +0.8%
EIM
46
Essex Investment Management
Massachusetts
$1.94M +$2.04M +259,212 New
M&T Bank
47
M&T Bank
New York
$1.8M +$318K +40,314 +20%
JP Morgan Chase
48
JP Morgan Chase
New York
$1.78M +$40.4K +5,128 +2%
RA
49
Royce & Associates
New York
$1.68M – – –
AllianceBernstein
50
AllianceBernstein
Tennessee
$1.66M +$7.26K +921 +0.4%
1
2
3 4 5

MIR Hedge Fund Activity: Q3 2023 in Review

127 of the 6,301 institutional investors tracked by Wall St. Rank reported a position in Mirion Technologies (MIR) for Q3 2023, worth a combined $1.4B — down 8.4% from $1.53B a quarter earlier.

Buyers outnumbered sellers: 16 funds opened new MIR positions and 12 closed out — a net gain of 4 holders — while 63 added to existing stakes and 28 trimmed.

The largest buyer was Alyeska Investment Group, adding an estimated $18.9M. The largest seller was Fidelity Investments, cutting an estimated $33.2M.

  • 127 institutional investors held Mirion Technologies (MIR) as of Q3 2023, up from 124 in Q2 2023.
  • Funds reported $1.4B of Mirion Technologies stock for Q3 2023, down 8.4% quarter-over-quarter.
  • 16 funds opened new Mirion Technologies positions in Q3 2023 and 12 closed out, a net change of +4 holders.
  • The largest Mirion Technologies buyer in Q3 2023 was Alyeska Investment Group, an estimated $18.9M added.
  • The largest Mirion Technologies seller in Q3 2023 was Fidelity Investments, an estimated $33.2M sold.

Based on aggregated 13F filings for Q3 2023.