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Mirion Technologies (MIR) Institutional Ownership

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$20.35 -0.07 (-0.34%)
Closing price 07/3/2025 03:37 PM Eastern
Extended Trading
$20.72 +0.36 (+1.79%)
As of 07/3/2025 04:57 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Mirion Technologies (NYSE:MIR)

Current
Institutional Ownership
Percentage
78.51%
Number of
Institutional Buyers
(last 12 months)
155
Total
Institutional Inflows
(last 12 months)
$839.74M
Number of
Institutional Sellers
(last 12 months)
67
Total
Institutional Outflows
(last 12 months)
$542.96M
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MIR Institutional Buying and Selling by Quarter

Mirion Technologies Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
6/23/2025Swedbank AB5,387,000$78.11M0.1%-11.1%2.323%
6/18/2025Voya Investment Management LLC55,838$810K0.0%-7.4%0.024%
5/29/2025Rhumbline Advisers307,422$4.46M0.0%-3.5%0.133%
5/28/2025Strs Ohio19,300$280K0.0%N/A0.008%
5/20/2025Intech Investment Management LLC127,952$1.86M0.0%+38.0%0.055%
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC434,583$6.30M0.0%+8.8%0.187%
5/16/2025Sciencast Management LP10,508$152K0.0%N/A0.005%
5/16/2025Goldman Sachs Group Inc.579,644$8.41M0.0%-93.5%0.250%
5/16/2025Select Equity Group L.P.2,292,236$33.24M0.1%-0.9%0.988%
5/16/2025Sandler Capital Management181,787$2.64M0.7%-68.2%0.078%
5/16/2025Millennium Management LLC2,567,660$37.23M0.0%-17.3%1.107%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.122,962$1.78M0.0%+4.6%0.053%
5/16/2025Bosun Asset Management LLC25,934$376K0.2%+88.4%0.011%
5/16/2025AQR Capital Management LLC199,211$2.89M0.0%+124.3%0.086%
5/16/2025Ardsley Advisory Partners LP175,000$2.54M0.5%+40.0%0.075%
5/16/2025Alyeska Investment Group L.P.4,150,262$60.18M0.2%+10.3%1.789%
5/15/2025PDT Partners LLC22,969$333K0.0%N/A0.010%
5/15/2025First Manhattan CO. LLC.76,932$1.12M0.0%-36.0%0.033%
5/15/2025Royal Bank of Canada98,828$1.43M0.0%+258.2%0.043%
5/15/2025Graham Capital Management L.P.55,154$800K0.0%-48.8%0.024%
5/15/2025Kingdon Capital Management L.L.C.450,000$6.53M0.7%+12.5%0.194%
5/15/2025Aperture Investors LLC357,367$5.18M0.7%-3.8%0.154%
5/15/2025Corsair Capital Management L.P.3,072,003$44.54M11.4%-3.1%1.325%
5/15/2025State of Wyoming81,274$1.18M0.2%-22.4%0.035%
5/15/2025Trexquant Investment LP567,609$8.23M0.1%+25.1%0.245%
5/14/2025Ieq Capital LLC14,919$216K0.0%N/A0.006%
5/14/2025Gamco Investors INC. ET AL592,127$8.59M0.1%-1.3%0.255%
5/14/2025Gabelli Funds LLC524,250$7.60M0.1%-5.8%0.226%
5/14/2025Corebridge Financial Inc.101,203$1.47M0.0%-1.5%0.044%
5/14/2025MetLife Investment Management LLC122,683$1.78M0.0%-1.2%0.053%
5/14/2025Walleye Capital LLC286,320$4.15M0.0%+155.5%0.123%
5/14/2025Smartleaf Asset Management LLC5,205$76K0.0%+582.2%0.002%
5/14/2025AlphaQuest LLC3,605$52K0.0%+360,400.0%0.002%
5/14/2025T. Rowe Price Investment Management Inc.20,710,389$300.30M0.2%+1.6%8.930%
5/14/2025BI Asset Management Fondsmaeglerselskab A S4,676$68K0.0%N/A0.002%
5/13/2025Northern Trust Corp1,971,182$28.58M0.0%-3.4%0.850%
5/13/2025Corient IA LLC10,000$145K0.1%N/A0.004%
5/13/2025Roubaix Capital LLC379,098$5.50M2.8%+177.4%0.163%
5/13/2025Raymond James Financial Inc.1,717,848$24.91M0.0%+74.6%0.741%
5/13/2025American Century Companies Inc.3,432,814$49.78M0.0%+43.9%1.480%
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5/13/2025Dimensional Fund Advisors LP7,363,954$106.78M0.0%+2.5%3.175%
5/13/2025Lord Abbett & CO. LLC2,399,864$34.80M0.1%+1.3%1.035%
5/12/2025Nuveen LLC1,388,424$20.13M0.0%N/A0.599%
5/12/2025Bornite Capital Management LP2,064,300$29.93M7.7%-2.5%0.890%
5/12/2025Invesco Ltd.321,838$4.67M0.0%-34.4%0.139%
5/12/2025Wolverine Asset Management LLC48,000$696K0.0%-70.4%0.021%
5/12/2025Swiss National Bank393,200$5.70M0.0%+4.4%0.170%
5/9/2025Deutsche Bank AG261,177$3.79M0.0%-16.1%0.112%
5/9/2025Charles Schwab Investment Management Inc.1,641,075$23.80M0.0%+2.6%0.706%
5/9/2025Vanguard Group Inc.23,258,048$337.24M0.0%-2.7%10.007%
5/9/2025PNC Financial Services Group Inc.22,898$332K0.0%-12.4%0.010%
5/8/2025Alberta Investment Management Corp180,520$2.62M0.0%+17.1%0.078%
5/8/2025XTX Topco Ltd69,269$1.00M0.1%+207.1%0.030%
5/7/2025Essex Investment Management Co. LLC301,873$4.38M0.9%-0.8%0.130%
5/7/2025Bastion Asset Management Inc.326,580$4.89M2.7%N/A0.141%
5/7/2025TD Asset Management Inc415,034$6.02M0.0%+1.9%0.179%
5/6/2025Royce & Associates LP668,643$9.70M0.1%+47.6%0.288%
5/6/2025Legato Capital Management LLC136,125$1.97M0.3%-6.4%0.059%
5/6/2025Universal Beteiligungs und Servicegesellschaft mbH24,189$351K0.0%N/A0.010%
5/5/2025Jennison Associates LLC931,867$13.51M0.0%+81.2%0.401%
5/2/2025Segall Bryant & Hamill LLC711,349$10.32M0.2%+49.9%0.306%
5/2/2025Victory Capital Management Inc.1,004,697$14.57M0.0%+3,556.6%0.432%
5/2/2025Sumitomo Life Insurance Co.22,676$329K0.0%N/A0.010%
5/1/2025CWM LLC6,431$93K0.0%+1,026.3%0.003%
5/1/2025Emerald Advisers LLC880,089$12.76M0.6%+44.8%0.379%
5/1/2025New York State Common Retirement Fund117,028$1.70M0.0%-6.7%0.050%
5/1/2025Arizona State Retirement System58,214$844K0.0%+4.7%0.025%
5/1/2025Emerald Mutual Fund Advisers Trust507,116$7.35M0.5%+123.7%0.218%
5/1/2025Xponance Inc.15,793$229K0.0%+5.7%0.007%
4/30/2025Brown Advisory Inc.5,560,461$80.63M0.1%+45.9%2.392%
4/29/2025Envestnet Asset Management Inc.177,968$2.58M0.0%+818.0%0.077%
4/29/2025Bank of New York Mellon Corp669,138$9.70M0.0%+1.2%0.288%
4/28/2025Principal Financial Group Inc.14,057$204K0.0%+14.9%0.006%
4/28/2025Teacher Retirement System of Texas29,565$429K0.0%+86.7%0.013%
4/28/2025Sumitomo Mitsui DS Asset Management Company Ltd87,721$1.27M0.0%N/A0.038%
4/28/2025Vontobel Holding Ltd.59,895$868K0.0%N/A0.026%
4/25/2025KBC Group NV10,485$152K0.0%+31.0%0.005%
4/24/2025Allspring Global Investments Holdings LLC596,100$8.55M0.0%+14.5%0.256%
4/24/2025Schwartz Investment Counsel Inc.954,300$13.84M0.5%-29.3%0.411%
4/24/2025Artemis Investment Management LLP2,998,435$43.48M0.7%+37.1%1.290%
4/23/2025Oppenheimer & Co. Inc.33,315$483K0.0%-5.3%0.014%
4/22/2025TT International Asset Management LTD62,346$904K0.1%N/A0.027%
4/22/2025Register Financial Advisors LLC29,300$425K0.2%N/A0.013%
4/17/2025Exchange Traded Concepts LLC134,005$1.94M0.0%+50.9%0.058%
4/15/2025Integrated Advisors Network LLC11,298$164K0.0%-38.9%0.005%
4/8/2025Rhumbline Advisers307,422$4.46M0.0%-3.5%0.132%
4/7/2025GAMMA Investing LLC7,279$106K0.0%+2,310.3%0.003%
4/3/2025 Central Pacific Bank Trust Division2,500$36K0.0%-50.0%0.001%
3/18/2025California State Teachers Retirement System180,247$3.15M0.0%-1.1%0.078%
2/25/2025Integrated Advisors Network LLC18,491$323K0.0%+70.5%0.008%
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By July 22 – at the absolute latest – Elon's Final Gift could see trillions of dollars change hands.
2/25/2025Polar Asset Management Partners Inc.174,919$3.05M0.0%N/A0.075%
2/20/2025Mackenzie Financial Corp21,908$382K0.0%+73.6%0.009%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC399,610$6.97M0.0%+36.5%0.172%
2/17/2025Squarepoint Ops LLC54,528$952K0.0%-71.2%0.023%
2/17/2025State of Wyoming104,750$1.83M0.2%+26.8%0.045%
2/17/2025Select Equity Group L.P.2,313,419$40.37M0.2%-46.4%0.996%
2/17/2025Silvercrest Asset Management Group LLC968,561$16.90M0.1%N/A0.417%
2/17/2025Polar Asset Management Partners Inc.174,919$3.05M0.0%N/A0.075%
2/17/2025ProShare Advisors LLC58,179$1.02M0.0%+54.1%0.025%
2/17/2025Paradoxiom Capital L.P.280,335$4.89M2.0%N/A0.121%
(Data available from 1/1/2016 forward)

MIR Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MIR shares?

During the previous two years, 202 institutional investors and hedge funds held shares of Mirion Technologies. The most heavily invested institutionals were Vanguard Group Inc. ($337.24M), T. Rowe Price Investment Management Inc. ($300.30M), Janus Henderson Group PLC ($145.37M), Dimensional Fund Advisors LP ($106.78M), Brown Advisory Inc. ($80.63M), Geode Capital Management LLC ($79.80M), and Swedbank AB ($78.11M).Learn more on Mirion Technologies' institutional investors.

What percentage of Mirion Technologies' stock is owned by institutional investors?

78.51% of Mirion Technologies' stock is owned by institutional investors. Learn more on MIR's institutional investor holdings.

Which institutional investors have been buying Mirion Technologies' stock?

Of the 181 institutional investors that purchased Mirion Technologies' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Swedbank AB ($10.78M), Brown Advisory Inc. ($5.56M), Arrowstreet Capital Limited Partnership ($4.20M), American Century Companies Inc. ($3.04M), William Blair Investment Management LLC ($3.04M), Artemis Investment Management LLP ($3.00M), and Raymond James Financial Inc. ($2.70M).

How much institutional buying is happening at Mirion Technologies?

Institutional investors have bought a total of 53,370,734 shares in the last 24 months. This purchase volume represents approximately $839.74M in transactions.

Which of Mirion Technologies' major shareholders have been selling company stock?

Of the 67 institutional investors that sold Mirion Technologies' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Goldman Sachs Group Inc. ($8.30M), Swedbank AB ($5.55M), Alyeska Investment Group L.P. ($4.06M), Adage Capital Partners GP L.L.C. ($3.48M), Select Equity Group L.P. ($2.20M), First Manhattan CO. LLC. ($1.63M), and American Century Companies Inc. ($1.43M).

How much institutional selling is happening at Mirion Technologies?

Institutional investors have sold a total of 34,168,479 shares in the last 24 months. This volume of shares sold represents approximately $542.96M in transactions.


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This page (NYSE:MIR) was last updated on 7/4/2025 by MarketBeat.com Staff
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