Institutional Ownership Mirion Technologies, Inc. (MIR)
This table provides information about the institutional ownership of Mirion Technologies, Inc. (MIR). We have compiled data on the 370 institutions that hold shares in the stock, with a total of 218 Million shares, which have been reported (via 13F filing form) to have a value of $5.44 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Price T Rowe Associates Inc
Baltimore, MD |
Nov 14, 2025 Q3 2025 |
834,330
shares
|
$20.8 Million
0.0% of portfolio
|
Q3 2025
Added 393.26%
|
|
|
Arrow Mark Colorado Holdings LLC
Denver, CO |
Nov 14, 2025 Q3 2025 |
809,220
shares
|
$20.2 Million
0.4% of portfolio
|
Q3 2025
Reduced 51.76%
|
|
|
Groupama Asset Managment
Paris, I0 |
Dec 01, 2025 Q3 2025 |
800,000
shares
|
$19.9 Million
0.01% of portfolio
|
Q2 2025
New holding
|
|
|
Pier Capital, LLC
Stamford, CT |
Nov 13, 2025 Q3 2025 |
794,826
shares
|
$19.8 Million
3.16% of portfolio
|
Q3 2025
Reduced 8.75%
|
|
|
Ghisallo Capital Management LLC
Greenwich, CT |
Nov 14, 2025 Q3 2025 |
774,900
shares
|
$19.3 Million
1.99% of portfolio
|
Q3 2025
New holding
|
|
|
Nomura Holdings Inc
Tokyo, M0 |
Nov 14, 2025 Q3 2025 |
726,962
shares
|
$18.1 Million
0.03% of portfolio
|
Q3 2025
Added 412.14%
|
|
|
Emerald Mutual Fund Advisers Trust
|
Oct 30, 2025 Q3 2025 |
704,496
shares
|
$17.5 Million
0.94% of portfolio
|
Q3 2025
Added 27.25%
|
|
|
Legal & General Group PLC
London, X0 |
Nov 13, 2025 Q3 2025 |
616,530
shares
|
$15.4 Million
0.0% of portfolio
|
Q3 2025
Added 153.9%
|
|
|
Alta Park Capital, LP
San Francisco, CA |
Nov 14, 2025 Q3 2025 |
611,161
shares
|
$15.2 Million
1.43% of portfolio
|
Q3 2025
New holding
|
|
|
Rhumbline Advisers
Boston, MA |
Nov 06, 2025 Q3 2025 |
608,834
shares
|
$15.2 Million
0.01% of portfolio
|
Q3 2025
Added 91.1%
|
|
|
Ensign Peak Advisors, Inc
Salt Lake City, UT |
Nov 13, 2025 Q3 2025 |
594,306
shares
|
$14.8 Million
0.02% of portfolio
|
Q3 2025
Added 19.78%
|
|
|
Nicholas Investment Partners, LP
Rancho Santa Fe, CA |
Nov 14, 2025 Q3 2025 |
585,473
shares
|
$14.6 Million
1.31% of portfolio
|
Q3 2025
Added 27.31%
|
|
|
Axiom Investors LLC
Greenwich, CT |
Nov 14, 2025 Q3 2025 |
572,290
shares
|
$14.3 Million
0.1% of portfolio
|
Q3 2025
Added 45.74%
|
|
|
Allspring Global Investments Holdings, LLC
|
Oct 20, 2025 Q3 2025 |
567,587
shares
|
$14.1 Million
0.02% of portfolio
|
Q3 2025
Added 2.02%
|
|
|
Fil LTD
Hamilton, D0 |
Nov 13, 2025 Q3 2025 |
560,893
shares
|
$14 Million
0.01% of portfolio
|
Q2 2025
Reduced 30.83%
|
|
|
Mario Gabelli
Gamco Investors, Inc. Et Al | Rye, Ny
|
Nov 12, 2025 Q3 2025 |
526,619
shares
|
$13.1 Million
0.13% of portfolio
|
Q3 2025
Reduced 6.31%
|
|
|
Yaupon Capital Management LP
New York, NY |
Nov 14, 2025 Q3 2025 |
525,000
shares
|
$13.1 Million
0.53% of portfolio
|
Q3 2025
New holding
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Nov 14, 2025 Q3 2025 |
521,021
shares
|
$13 Million
0.01% of portfolio
|
Q3 2025
Reduced 81.92%
|
|
|
Eagle Asset Management Inc
St Petersburg, FL |
Nov 12, 2024 Q3 2024 |
505,247
shares
|
$12.6 Million
0.03% of portfolio
|
Q3 2024
Added 60.6%
|
|
|
Sculptor Capital LP
New York, NY |
Nov 14, 2025 Q3 2025 |
500,000
shares
|
$12.5 Million
0.31% of portfolio
|
Q3 2025
New holding
|
|
|
Bamco Inc
New York, NY |
Nov 14, 2025 Q3 2025 |
500,000
shares
|
$12.5 Million
0.03% of portfolio
|
Q3 2025
New holding
|
|
|
Summit Partners Public Asset Management, LLC
Boston, MA |
Nov 14, 2025 Q3 2025 |
500,000
shares
|
$12.5 Million
0.31% of portfolio
|
Q3 2025
Reduced 52.2%
|
|
|
Bornite Capital Management LP
|
Nov 07, 2025 Q3 2025 |
500,000
shares
|
$12.5 Million
1.33% of portfolio
|
Q3 2025
Reduced 75.63%
|
|
|
Telemark Asset Management, LLC
Boston, MA |
Nov 10, 2025 Q3 2025 |
500,000
shares
|
$12.5 Million
1.18% of portfolio
|
Q4 2024
Added 25.0%
|
|
|
Td Asset Management Inc
|
Nov 10, 2025 Q3 2025 |
486,944
shares
|
$12.1 Million
0.01% of portfolio
|
Q3 2025
Added 13.04%
|
|