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Mirion Technologies

111 hedge funds and large institutions have $381M invested in Mirion Technologies in 2021 Q1 according to their latest regulatory filings, with 55 funds opening new positions, 14 increasing their positions, 34 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed

83% more first-time investments, than exits

New positions opened: 55 | Existing positions closed: 30

29% more funds holding

Funds holding: 86111 (+25)

26% more call options, than puts

Call options by funds: $71M | Put options by funds: $56.3M

16.58% less ownership

Funds ownership: 65.23%48.65% (-17%)

28% less capital invested

Capital invested by funds: $532M → $381M (-$151M)

59% less repeat investments, than reductions

Existing positions increased: 14 | Existing positions reduced: 34

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
111
Holders Change
+25
Holders Change %
+29.07%
% of All Funds
1.95%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
55
Increased
14
Reduced
34
Closed
30
Calls
$71M
Puts
$56.3M
Net Calls
+$14.7M
Net Calls Change
+$8.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Susquehanna International Group
1
Susquehanna International Group
Pennsylvania
$32.6M +$36.6M +3,115,192 +21,588%
GCM
2
Graham Capital Management
Connecticut
$31.1M +$35M +2,981,810 New
AGM
3
Alpine Global Management
New York
$22.3M +$25.1M +2,139,865 New
Blackstone Inc
4
Blackstone Inc
New York
$20.9M
Public Sector Pension Investment Board (PSP Investments)
5
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$15.6M
MWNA
6
Marshall Wace North America
New York
$14.6M +$16.4M +1,400,208 New
BCM
7
BlueCrest Capital Management
Jersey
$12.5M -$4.7M -400,000 -25%
AIMCA
8
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$11.8M -$13M -1,106,016 -49%
WCMNY
9
Westchester Capital Management (New York)
New York
$11.5M -$1.59M -135,752 -11%
Alyeska Investment Group
10
Alyeska Investment Group
Illinois
$10.6M -$34.8M -2,963,917 -75%
AC
11
Athanor Capital
New York
$10.5M +$11.9M +1,010,790 New
Principal Financial Group
12
Principal Financial Group
Iowa
$9.7M +$10.9M +929,617 New
Jane Street
13
Jane Street
New York
$9.26M +$10.4M +887,406 New
UOC
14
UBS O'Connor
Illinois
$8.9M -$8.73M -743,543 -47%
CCM
15
Corsair Capital Management
New York
$8.15M +$94.4K +8,041 +1%
HI
16
HBK Investments
Texas
$7.82M -$2.35M -200,000 -21%
AAP
17
Ardsley Advisory Partners
Connecticut
$7.82M +$8.81M +750,000 New
DKCM
18
Davidson Kempner Capital Management
New York
$7M +$7.89M +671,570 New
BCM
19
Bluefin Capital Management
New York
$6.67M +$5.95M +506,779 +381%
MCM
20
Moore Capital Management
New York
$6.26M -$1.17M -100,000 -14%
Group One Trading
21
Group One Trading
Illinois
$5.73M +$6.46M +549,793 New
CH
22
CVI Holdings
Delaware
$5.21M
LCS
23
Levin Capital Strategies
New York
$5.19M -$705K -60,000 -11%
RCM
24
Ratan Capital Management
Florida
$5.01M -$79K -6,723 -1%
Citadel Advisors
25
Citadel Advisors
Florida
$4.69M +$3.88M +330,445 +278%

MIR Hedge Fund Activity: Q1 2021 in Review

111 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in Mirion Technologies (MIR) for Q1 2021, worth a combined $381M — down 28% from $532M a quarter earlier.

Buyers outnumbered sellers: 55 funds opened new MIR positions and 30 closed out — a net gain of 25 holders — while 14 added to existing stakes and 34 trimmed.

The largest buyer was Susquehanna International Group, adding an estimated $36.6M. The largest seller was Millennium Management, exiting entirely with an estimated $54M sold.

  • 111 institutional investors held Mirion Technologies (MIR) as of Q1 2021, up from 86 in Q4 2020.
  • Funds reported $381M of Mirion Technologies stock for Q1 2021, down 28% quarter-over-quarter.
  • 55 funds opened new Mirion Technologies positions in Q1 2021 and 30 closed out, a net change of +25 holders.
  • The largest Mirion Technologies buyer in Q1 2021 was Susquehanna International Group, an estimated $36.6M added.
  • The largest Mirion Technologies seller in Q1 2021 was Millennium Management, an estimated $54M sold.

Based on aggregated 13F filings for Q1 2021.