13F

Stock

Mirion Technologies, Inc.

MIR · held by 365 managers

Reported value

$5.45B

Holders

365

+7 new · −3 exited

Holders’ est. mark

$1.48M

Price effect on 8 books still in the name

Largest holder

$894.6M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.38.2M$894.6M—Held
Vanguard30.3M$710.7M—Held
State Street9.2M$215.4M—Held
Fidelity8.41M$197.1M—Held
COOPERMAN LEON G8.38M$196.3M—Held
GEODE CAPITAL MANAGEMENT, LLC5.79M$135.5M—Held
GOLDMAN SACHS GROUP INC5.25M$122.9M—Held
UBS Group AG4.85M$113.6M—Held
JANUS HENDERSON GROUP PLC4.6M$107.7M—Held
DIMENSIONAL FUND ADVISORS LP4.1M$96.1M—Held
MASSACHUSETTS FINANCIAL SERVICES CO /MA/3.66M$85.8M—Held
Swedbank AB3.4M$79.6M—Held
Invesco Ltd.3.1M$72.6M—Held
Bank of New York Mellon Corp3.08M$72.1M—Held
Two Creeks Capital Management, LP2.92M$68.5M—Held
LOOMIS SAYLES & CO L P2.85M$66.6M—Held
Hood River Capital Management LLC2.78M$65.1M—Held
AMERICAN CENTURY COMPANIES INC2.56M$59.9M—Held
TCW GROUP INC2.45M$57.4M—Held
CHARLES SCHWAB INVESTMENT MANAGEMENT INC2.34M$54.9M—Held
AMERIPRISE FINANCIAL INC2.34M$54.7M—Held
NORTHERN TRUST CORP2.33M$54.6M—Held
Driehaus Capital Management LLC2.3M$53.8M—Held
ROYAL BANK OF CANADA2.15M$50.3M—Held
MORGAN STANLEY2.1M$49.1M$210.2KAdded$18.5M
Nuveen, LLC2.01M$47.1M—Held
Artemis Investment Management LLP1.97M$46.2M—Held
Conestoga Capital Advisors, LLC1.94M$45.4M—Held
FRANKLIN RESOURCES INC1.88M$44M—Held
PRINCIPAL FINANCIAL GROUP INC1.71M$40M—Held
JPMORGAN CHASE & CO1.67M$39.1M—Held
Chescapmanager LLC1.66M$38.9M—Held
Citadel1.62M$38M—Held
BROWN ADVISORY INC1.61M$37.8M—Held
RAYMOND JAMES FINANCIAL INC1.53M$36.3M—Held
Alyeska Investment Group, L.P.1.53M$35.9M—Held
BANK OF AMERICA CORP /DE/1.36M$31.8M$217.4KCut−$1.2M
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.1.33M$31.2M—Held
SEGALL BRYANT & HAMILL, LLC1.17M$27.4M—Held
Rockefeller Capital Management L.P.1.14M$26.7M—Held
EMERALD ADVISERS, LLC1.14M$26.6M—Held
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP1.07M$25.1M—Held
Allspring Global Investments Holdings, LLC1.03M$24.6M—Held
SCHRODER INVESTMENT MANAGEMENT GROUP1.01M$24M—Held
JENNISON ASSOCIATES LLC992.6K$23.2M—Held
CORSAIR CAPITAL MANAGEMENT, L.P.982.4K$23M$157.2KCut−$1.32M
TimesSquare Capital Management, LLC967.3K$22.7M—Held
Davidson Kempner Capital Management LP928.5K$21.7M—New
BNP PARIBAS FINANCIAL MARKETS904.2K$21.2M—Held
VOYA INVESTMENT MANAGEMENT LLC879.9K$20.6M—Held
WELLS FARGO & COMPANY/MN870.3K$20.4M—Held
PUBLIC SECTOR PENSION INVESTMENT BOARD857.7K$20.1M—Held
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.854.7K$20M—Held
Troluce Capital Advisors LLC850K$19.9M—Held
FEDERATED HERMES, INC.848.6K$19.9M—Held
SILVERCREST ASSET MANAGEMENT GROUP LLC818.2K$19.2M—Held
Stephens Investment Management Group LLC809.9K$19M—Held
SCHWARTZ INVESTMENT COUNSEL INC794.3K$18.6M—Held
Select Equity Group, L.P.769K$18M—Held
NOMURA HOLDINGS INC760.7K$17.8M—Held
AXIOM INVESTORS LLC /DE721.5K$16.9M—Held
Pier Capital, LLC717.4K$16.8M—Held
ArrowMark Colorado Holdings LLC716.1K$16.8M—Held
EMERALD MUTUAL FUND ADVISERS TRUST704.5K$16.5M—Held
BAMCO INC /NY/650K$15.2M—Held
Ensign Peak Advisors, Inc649.8K$15.2M—Held
Nicholas Investment Partners, LP641.7K$15M—Held
D. E. Shaw & Co., Inc.629.2K$14.7M—Held
RHUMBLINE ADVISERS619.3K$14.5M—Held
Legal & General Group Plc609.9K$14.3M—Held
OBERWEIS ASSET MANAGEMENT INC/607.8K$14.2M—Held
DEUTSCHE BANK AG\578.4K$13.5M—Held
NEUBERGER BERMAN GROUP LLC567.7K$13.3M—Held
Alta Park Capital, LP562.5K$13.2M—Held
GAMCO INVESTORS, INC. ET AL541.9K$12.7M—Held
Telemark Asset Management, LLC500K$11.7M—Held
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC500K$11.7M—Held
Bridgewater489.9K$11.5M—Held
Swiss National Bank464.2K$10.9M—Held
SEI INVESTMENTS CO456.5K$10.7M—Held
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC443.8K$10.4M—Held
GABELLI FUNDS LLC430.3K$10.1M—Held
VICTORY CAPITAL MANAGEMENT INC405.9K$9.51M—Held
PEREGRINE CAPITAL MANAGEMENT LLC403.1K$9.44M—Held
Tidal Investments LLC403K$9.44M—Held
ZACKS INVESTMENT MANAGEMENT402.2K$9.42M—Held
Sumitomo Mitsui DS Asset Management Company, Ltd399.5K$9.36M—Held
BANK OF NOVA SCOTIA391K$9.16M—Held
CITIGROUP INC377.9K$8.85M—Held
BARCLAYS PLC374K$8.76M$59.8KCut−$574.7K
BURKEHILL GLOBAL MANAGEMENT, LP350K$8.2M—Held
CASTLEARK MANAGEMENT LLC348.1K$8.15M—Held
FIRST TRUST ADVISORS LP348.1K$8.15M—Held
TD Asset Management Inc348.1K$8.15M—Held
Universal- Beteiligungs- und Servicegesellschaft mbH325.8K$7.63M—Held
ARDSLEY ADVISORY PARTNERS LP325K$7.61M—Held
ALLIANCEBERNSTEIN L.P.320.5K$7.51M—Held
KEYSTONE INVESTORS PTE LTD309.9K$7.26M—Held
ESSEX INVESTMENT MANAGEMENT CO LLC303.4K$7.1M—Held
ROYCE & ASSOCIATES LP293.9K$6.88M—Held
EXCHANGE TRADED CONCEPTS, LLC293.8K$6.88M—Held
Tredje AP-fonden280.8K$6.58M—Held
Empowered Funds, LLC278.8K$6.53M—Held
Icahn Capital277.7K$6.5M—Held
Legato Capital Management LLC276.5K$6.48M—Held
Montanaro Asset Management Ltd255.4K$5.98M—Held
Ghisallo Capital Management LLC250K$5.86M—Held
WELLINGTON MANAGEMENT GROUP LLP248.8K$5.83M—Held
ENVESTNET ASSET MANAGEMENT INC247.8K$5.8M—Held
Walleye Capital LLC238.3K$5.58M—Held
PRUDENTIAL FINANCIAL INC231.3K$5.42M—Held
Robeco Schweiz AG230K$5.39M—Held
STATE OF WISCONSIN INVESTMENT BOARD226.5K$5.31M—Held
THORNBURG INVESTMENT MANAGEMENT INC226.2K$5.3M—Held
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM224.3K$5.25M—Held
COMERICA BANK222.8K$5.22M—Held
Munro Partners222.7K$5.22M—Held
ZEVENBERGEN CAPITAL INVESTMENTS LLC221.3K$5.18M—Held
RICE HALL JAMES & ASSOCIATES, LLC199.9K$4.68M—Held
Informed Momentum Co LLC193.3K$4.53M—Held
NEW YORK STATE COMMON RETIREMENT FUND175.7K$4.11M—Held
BOOTHBAY FUND MANAGEMENT, LLC173.9K$4.07M—Held
Hollow Brook Wealth Management LLC171.6K$4.02M—Held
Lisanti Capital Growth, LLC156.7K$3.67M—Held
Pathstone Holdings, LLC156.3K$3.66M—Held
Creative Planning153.7K$3.6M—Held
Aperture Investors, LLC151.7K$3.55M—Held
LAZARD ASSET MANAGEMENT LLC143.1K$3.35M—Held
Sculptor Capital LP140K$3.28M—New
Illinois Municipal Retirement Fund137.2K$3.21M—Held
MetLife Investment Management, LLC132K$3.09M—Held
UniSuper Management Pty Ltd129.5K$3.03M—Held
KENNEDY CAPITAL MANAGEMENT LLC125.1K$2.93M—Held
XTX Topco Ltd125K$2.93M—Held
TD Waterhouse Canada Inc.118K$2.76M—Held
LPL Financial LLC115.7K$2.71M—Held
MANUFACTURERS LIFE INSURANCE COMPANY, THE115.5K$2.71M—Held
Louisiana State Employees Retirement System113.5K$2.66M—Held
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.111.4K$2.61M—Held
First National Advisers, LLC111.2K$2.6M—Held
FIRST NATIONAL BANK OF OMAHA110.8K$2.6M—New
INTECH INVESTMENT MANAGEMENT LLC110.6K$2.59M—Held
CI INVESTMENTS INC.106.6K$2.5M—Held
TEMA ETFS LLC105K$2.46M—Held
NEOS Investment Management LLC105K$2.46M—Held
CREDIT AGRICOLE S A103.2K$2.42M—Held
FIL Ltd100K$2.34M—Held
Blackhawk Capital Partners, LLC93.4K$2.19M—Held
Gotham Asset Management, LLC93K$2.18M—Held
NORGES BANK92.1K$2.16M$821.6KCut−$6.58M
State of New Jersey Common Pension Fund D90.4K$2.12M—Held
Verition Fund Management LLC89.1K$2.09M—Held
Zurcher Kantonalbank (Zurich Cantonalbank)83.8K$1.96M—Held
SUMITOMO LIFE INSURANCE CO81.9K$1.92M—Held
Pacer Advisors, Inc.80.1K$1.88M—Held
POLEN CAPITAL MANAGEMENT LLC79.4K$1.86M—Held
State of Tennessee, Department of Treasury74.5K$1.85M—Held
CAPSTONE INVESTMENT ADVISORS, LLC75.7K$1.77M—Held
YOUSIF CAPITAL MANAGEMENT, LLC67K$1.76M—Held
Register Financial Advisors LLC73.7K$1.72M—Held
Connor, Clark & Lunn Investment Management Ltd.70.9K$1.66M—Held
Sterling Capital Management LLC68.8K$1.61M—Held
ARIZONA STATE RETIREMENT SYSTEM65.5K$1.53M—Held
Police & Firemen's Retirement System of New Jersey63.8K$1.49M—Held
DDD Partners, LLC63K$1.48M—Held
Mariner, LLC62.5K$1.46M—Held
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS61.4K$1.44M—Held
STIFEL FINANCIAL CORP59.1K$1.38M—Held
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM57.2K$1.34M—Held
TWINBEECH CAPITAL LP57.1K$1.34M—Held
OREGON PUBLIC EMPLOYEES RETIREMENT FUND56.7K$1.33M—Held
Madison Asset Management, LLC56.6K$1.33M—Held
KLP KAPITALFORVALTNING AS50.2K$1.18M—Held
1832 Asset Management L.P.50K$1.17M—Held
ProShare Advisors LLC46.7K$1.09M—Held
ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/44.8K$1.05M—Held
Qsemble Capital Management, LP44.3K$1.04M—Held
Cresset Asset Management, LLC42.5K$995.4K$6.8KAdded$6.8K
Hudson Bay Capital Management LP40K$936.8K—New
LBP AM SA37.1K$868.6K—Held
Maryland State Retirement & Pension System36.3K$849.7K—Held
DYMON ASIA CAPITAL (SINGAPORE) PTE. LTD.34.8K$814.4K—Held
OSTRUM ASSET MANAGEMENT34.4K$805.2K—Held
OPPENHEIMER & CO INC34K$795.8K—Held
TRUIST FINANCIAL CORP33.9K$792.9K—Held
Pictet Asset Management Holding SA33.4K$782K—Held
Calamos Advisors LLC31.7K$742.4K—Held
Sanctuary Advisors, LLC30.2K$706.9K$4.83KCut−$20K
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC28.3K$663.3K—Held
Laurion Capital Management LP28.2K$660.2K—Held
CAPTRUST FINANCIAL ADVISORS25.2K$590.9K—Held
Twin Tree Management, LP25.1K$588.6K—Held
Themes Management Co LLC24.7K$579.4K—Held
SIMON QUICK ADVISORS, LLC23.9K$559.4K—Held
Russell Investments Group, Ltd.22.1K$517.1K—Held
Headlands Technologies LLC21K$491K—Held
STRS OHIO20.7K$484.8K—Held
Vontobel Holding Ltd.20.1K$470.3K—Held
MARIETTA INVESTMENT PARTNERS LLC20K$467.3K—Held
Ameritas Investment Partners, Inc.19.8K$464.7K—Held
Cetera Investment Advisers19.7K$461.5K—Held
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC17.9K$450K—Held
Blueshift Asset Management, LLC18.8K$441.4K—Held
XPONANCE LLC18.8K$441.3K—Held
PNC Financial Services Group, Inc.18.3K$427.7K—Held
SCP Investment, LP18K$421.6K—Held
TORONTO DOMINION BANK17.7K$415.6K—Held
MML INVESTORS SERVICES, LLC16.6K$388.9K—Held
NBC SECURITIES, INC.16.3K$382.1K—Held
Ethic Inc.16.3K$381.1K—Held
New Age Alpha Advisors, LLC16.1K$376.5K—Held
CIBC WORLD MARKETS CORP15.9K$371.7K—Held
BANK OF MONTREAL /CAN/15.8K$370.5K—Held
GLENMEDE TRUST CO NA15.6K$365.9K—Held
INCEPTIONR LLC15.4K$361.3K—Held
SANDLER CAPITAL MANAGEMENT15.2K$355.8K—Held
T. Rowe Price Investment Management, Inc.15.1M$353.9K—Held
Tributary Capital Management, LLC14.8K$346.6K—New
IEQ CAPITAL, LLC14.5K$340.1K—Held
Corient Private Wealth LLC14.5K$338.7K—Held
Vident Advisory, LLC14.1K$330.9K—Held
KEYBANK NATIONAL ASSOCIATION/OH13.7K$320.9K—Held
Cerity Partners LLC12.6K$295.3K—Held
Harbour Capital Advisors, LLC12.1K$288.9K—Held
Amundi12.3K$288.1K—Held
Altshuler Shaham Ltd11.7K$274.1K—Held
O'SHAUGHNESSY ASSET MANAGEMENT, LLC11.5K$270.4K—Held
Quantinno Capital Management LP11.3K$264.3K—Held
SBI Okasan Asset Management Co.Ltd.11K$261.5K—Held
PRELUDE CAPITAL MANAGEMENT, LLC11.1K$259.6K—Held
PROFUND ADVISORS LLC11K$256.5K—Held
Swiss Life Asset Management Ltd10.9K$254.2K$1.57KAdded$25.6K
VARCOV Co.10.8K$253.8K—Held
Stratos Wealth Partners, LTD.10.6K$247.5K—Held
Aigen Investment Management, LP10.5K$246.4K—Held
Corient IA LLC10K$234.2K—Held
CIBC Asset Management Inc9.84K$230.5K—Held
Weiss Asset Management LP9.72K$227.6K—New
Atria Investments, Inc9.65K$226K—Held
Forum Financial Management, LP9.32K$218.2K—Held
Schonfeld Strategic Advisors LLC9.2K$215.4K—Held
Vanguard Personalized Indexing Management, LLC9.06K$212.2K—Held
ABSHER WEALTH MANAGEMENT, LLC9K$210.8K—Held
Integrated Advisors Network LLC8.96K$209.8K—Held
CastleKnight Management LP8.75K$204.9K—Held
Merit Financial Group, LLC8.57K$200.8K—Held
Jefferies Financial Group Inc.8.5K$199.1K—Held
Tower Research Capital LLC (TRC)7.57K$177.3K—Held
Kestra Advisory Services, LLC7.54K$176.5K—Held
US BANCORP \DE\7.24K$169.6K—Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.