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Mirion Technologies

97 hedge funds and large institutions have $525M invested in Mirion Technologies in 2021 Q3 according to their latest regulatory filings, with 19 funds opening new positions, 22 increasing their positions, 39 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

10% more capital invested

Capital invested by funds: $477M → $525M (+$47.6M)

7.21% more ownership

Funds ownership: 61.31%68.52% (+7.2%)

16% less funds holding

Funds holding: 11697 (-19)

27% less call options, than puts

Call options by funds: $15.9M | Put options by funds: $21.8M

40% less funds holding in top 10

Funds holding in top 10: 53 (-2)

44% less repeat investments, than reductions

Existing positions increased: 22 | Existing positions reduced: 39

50% less first-time investments, than exits

New positions opened: 19 | Existing positions closed: 38

Holders
97
Holders Change
-19
Holders Change %
-16.38%
% of All Funds
1.7%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.05%
New
19
Increased
22
Reduced
39
Closed
38
Calls
$15.9M
Puts
$21.8M
Net Calls
-$5.86M
Net Calls Change
+$5.2M
Name Holding Trade Value Shares
Change
Change in
Stake
RCM
1
Ratan Capital Management
Florida
$54.6M +$11.4M +1,130,239 +27%
Alyeska Investment Group
2
Alyeska Investment Group
Illinois
$42.8M +$24.7M +2,445,192 +140%
LWCA
3
Locust Wood Capital Advisers
New York
$37.3M +$15.7M +1,554,809 +74%
Citadel Advisors
4
Citadel Advisors
Florida
$28.8M +$24M +2,382,129 +547%
ECP
5
Empyrean Capital Partners
California
$25.8M +$25.4M +2,520,399 New
CCM
6
Corsair Capital Management
New York
$25.2M +$3.83M +380,022 +18%
AGM
7
Alpine Global Management
New York
$20.4M -$2.76M -273,209 -12%
Millennium Management
8
Millennium Management
New York
$20.3M +$19.5M +1,933,597 +3,648%
Public Sector Pension Investment Board (PSP Investments)
9
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$15.3M
AIMCA
10
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$14.4M -$5.51M -546,186 -28%
MWNA
11
Marshall Wace North America
New York
$14.3M
D.E. Shaw & Co
12
D.E. Shaw & Co
New York
$13.4M +$12.6M +1,246,800 +2,078%
DKCM
13
Davidson Kempner Capital Management
New York
$12.1M +$1.21M +119,434 +11%
Susquehanna International Group
14
Susquehanna International Group
Pennsylvania
$11.3M -$6.95M -689,135 -38%
Janus Henderson Group
15
Janus Henderson Group
United Kingdom
$10.9M +$10.8M +1,069,562 New
WCMNY
16
Westchester Capital Management (New York)
New York
$10.4M -$390K -38,648 -4%
Blackstone Inc
17
Blackstone Inc
New York
$10.2M
GCM
18
Graham Capital Management
Connecticut
$10.1M -$13.7M -1,360,045 -58%
Morgan Stanley
19
Morgan Stanley
New York
$9.18M +$8.14M +806,941 +884%
Principal Financial Group
20
Principal Financial Group
Iowa
$8.97M -$530K -52,540 -6%
JG
21
Jefferies Group
New York
$7.52M +$7.31M +724,483 +6,142%
WAM
22
Weiss Asset Management
Massachusetts
$7.2M +$7.11M +704,623 New
KCM
23
Kingdon Capital Management
New York
$6.72M +$6.64M +658,000 New
MCM
24
Moore Capital Management
New York
$6.13M
Capstone Investment Advisors
25
Capstone Investment Advisors
New York
$5.96M +$5.88M +583,200 New

MIR Hedge Fund Activity: Q3 2021 in Review

97 of the 5,712 institutional investors tracked by Wall St. Rank reported a position in Mirion Technologies (MIR) for Q3 2021, worth a combined $525M — up 10% from $477M a quarter earlier.

Sellers outnumbered buyers: 38 funds closed out of MIR and 19 opened new positions — a net loss of 19 holders — while 39 trimmed existing stakes and 22 added.

The largest buyer was Empyrean Capital Partners, opening a new position worth an estimated $25.4M. The largest seller was Fort Baker Capital Management, exiting entirely with an estimated $16.4M sold.

  • 97 institutional investors held Mirion Technologies (MIR) as of Q3 2021, down from 116 in Q2 2021.
  • Funds reported $525M of Mirion Technologies stock for Q3 2021, up 10% quarter-over-quarter.
  • 19 funds opened new Mirion Technologies positions in Q3 2021 and 38 closed out, a net change of -19 holders.
  • The largest Mirion Technologies buyer in Q3 2021 was Empyrean Capital Partners, an estimated $25.4M added.
  • The largest Mirion Technologies seller in Q3 2021 was Fort Baker Capital Management, an estimated $16.4M sold.

Based on aggregated 13F filings for Q3 2021.