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Mirion Technologies
MIR

93 hedge funds and large institutions have $1.51B invested in Mirion Technologies in 2021 Q4 according to their latest regulatory filings, with 48 funds opening new positions, 20 increasing their positions, 19 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed

790% more call options, than puts

Call options by funds: $25.2M | Put options by funds: $2.83M

187% more capital invested

Capital invested by funds: $525M → $1.51B (+$981M)

133% more funds holding in top 10

Funds holding in top 10: 3 → 7 (+4)

4.1% more ownership

Funds ownership: 68.52% → 72.62% (+4.1%)

5% more repeat investments, than reductions

Existing positions increased: 20 | Existing positions reduced: 19

6% less first-time investments, than exits

New positions opened: 48 | Existing positions closed: 51

4% less funds holding

Funds holding: 97 → 93 (-4)

Holders
93
Holders Change
-4
Holders Change %
-4.12%
% of All Funds
1.43%
Holding in Top 10
7
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+133.33%
% of All Funds
0.11%
New
48
Increased
20
Reduced
19
Closed
51
Calls
$25.2M
Puts
$2.83M
Net Calls
+$22.4M
Net Calls Change
+$28.2M

Top Buyers

Rank Fund Capital Flow
1
Goldman Sachs
Goldman Sachs
New York
+$572M
2
Alyeska Investment Group
Alyeska Investment Group
Illinois
+$101M
3
Fidelity Investments
Fidelity Investments
Massachusetts
+$80.5M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$75.5M
5
SIG
Senator Investment Group
New York
+$73.8M

Top Sellers

Rank Fund Capital Flow
1
RCM
Ratan Capital Management
Florida
-$32M
2
Citadel Advisors
Citadel Advisors
Florida
-$29.1M
3
ECP
Empyrean Capital Partners
California
-$25.8M
4
AGM
Alpine Global Management
New York
-$20.4M
5
Public Sector Pension Investment Board (PSP Investments)
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
-$16.1M
Name Holding Trade Value Shares
Change 		Change in
Stake
Millennium Management
26
Millennium Management
New York
$8.79M -$12.3M -1,146,615 -58%
Hudson Bay Capital Management
27
Hudson Bay Capital Management
Connecticut
$7.36M +$1.59M +148,416 +27%
CC
28
Carlson Capital
Texas
$6.81M +$1.61M +150,000 +30%
GF
29
Gabelli Funds
New York
$5.8M +$1.02M +94,763 +21%
Charles Schwab
30
Charles Schwab
California
$5.25M +$5.39M +501,714 New
AG
31
Artal Group
Luxembourg
$5.24M +$5.37M +500,000 New
SM
32
Saya Management
New York
$5.22M +$5.35M +498,753 New
OFCM
33
One Fin Capital Management
California
$4.55M +$4.67M +435,000 New
RCAP
34
Resolute Capital Asset Partners
Colorado
$4.2M +$4.31M +401,437 New
WAM
35
Wolverine Asset Management
Illinois
$3.74M +$3.84M +357,582 New
JG
36
Jefferies Group
New York
$3.73M -$4.08M -380,438 -52%
State Street
37
State Street
Massachusetts
$3.35M +$3.43M +319,900 New
SCM
38
Saba Capital Management
New York
$3.14M +$3.22M +300,000 New
DCP
39
Diameter Capital Partners
New York
$2.95M +$3.03M +281,777 New
BPIM
40
Brant Point Investment Management
New York
$2.9M -$843K -78,525 -22%
MCM
41
Moore Capital Management
New York
$2.88M -$3.49M -325,000 -54%
WMSA
42
Weiss Multi-Strategy Advisers
New York
$2.72M +$2.79M +260,050 New
Qube Research & Technologies (QRT)
43
Qube Research & Technologies (QRT)
United Kingdom
$2.63M +$2.47M +230,367 +1,116%
CSS
44
Cubist Systematic Strategies
Connecticut
$2.55M +$2.62M +243,953 New
Balyasny Asset Management
45
Balyasny Asset Management
Illinois
$2.23M -$3.23M -300,865 -59%
Northern Trust
46
Northern Trust
Illinois
$2.06M +$2.11M +196,836 New
ICM
47
Ionic Capital Management
New York
$1.93M +$1.3M +120,899 +192%
MA
48
MYDA Advisors
New York
$1.68M -$260K -24,263 -13%
GI
49
GAMCO Investors
Connecticut
$1.65M +$614K +57,200 +57%
KC
50
Kepos Capital
New York
$1.57M +$268K +25,000 +20%
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MIR Hedge Fund Activity: Q4 2021 in Review

93 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in Mirion Technologies (MIR) for Q4 2021, worth a combined $1.51B — up 187% from $525M a quarter earlier.

Sellers outnumbered buyers: 51 funds closed out of MIR and 48 opened new positions — a net loss of 3 holders — while 19 trimmed existing stakes and 20 added.

The largest buyer was Goldman Sachs, opening a new position worth an estimated $572M. The largest seller was Ratan Capital Management, cutting an estimated $32M.

  • 93 institutional investors held Mirion Technologies (MIR) as of Q4 2021, down from 97 in Q3 2021.
  • Funds reported $1.51B of Mirion Technologies stock for Q4 2021, up 187% quarter-over-quarter.
  • 48 funds opened new Mirion Technologies positions in Q4 2021 and 51 closed out, a net change of -3 holders.
  • The largest Mirion Technologies buyer in Q4 2021 was Goldman Sachs, an estimated $572M added.
  • The largest Mirion Technologies seller in Q4 2021 was Ratan Capital Management, an estimated $32M sold.

Based on aggregated 13F filings for Q4 2021.