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Disclosery

CSTM CONSTELLIUM SE

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CL A SHS (common), issuer CIK 1563411

230 managers (234 13F filers) reported a position in CSTM shares at 2025-09-30, 127,198,976 shares in all. 36 filers opened a position and 23 filers sold out during the quarter.

Managers
230
13F filers
234
New
36
Added
102
Reduced
66
Sold out
23
Shares held by filers
127,198,976

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.14,019,203$209M<0.01%+162,47313F-HRTimelineGroup
FMR LLCin group FMR LLC13,518,071$201M0.01%-295,08513F-HRTimelineGroup
Bpifrance SAin group Bpifrance SA12,593,903$187M9.52%013F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC6,935,766$103M0.08%+1,813,40013F-HRTimelineGroup
Nut Tree Capital Management, LP5,213,900$77.6M17.9%-442,00013F-HRTimeline
T. Rowe Price Investment Management, In…5,116,680$76.1M0.05%-9,193,04113F-HRTimeline
Encompass Capital Advisors LLCin group Encompass Capital Advisors LLC4,264,275$63.5M2.86%-1,098,48513F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC3,299,064$49.1M<0.01%+938,15513F-HRTimelineGroup
Nuveen, LLCin group TIAA2,850,121$42.4M0.01%+709,28613F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP2,567,563$38.2M<0.01%+64,90113F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY2,511,602$37.4M<0.01%+910,38513F-HR/ATimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.2,450,623$36.5M0.03%+171,96113F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO2,407,597$35.8M<0.01%+236,26413F-HR/ATimelineGroup
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD2,034,856$30.3M0.04%-169,09113F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson1,810,432$26.9M0.01%-480,79513F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,708,136$25.4M<0.01%-21,97613F-HRTimelineGroup
Soapstone Management L.P.1,669,099$24.8M16.86%-107,46013F-HRTimeline
COOPER CREEK PARTNERS MANAGEMENT LLC1,666,521$24.8M0.93%013F-HRTimeline
BRIGHTLINE CAPITAL MANAGEMENT, LLC1,625,000$24.2M9.91%+625,00013F-HRTimeline
Cannell & Spears LLC1,557,835$23.2M0.44%+77,70313F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC1,277,923$19M0.01%+894,83913F-HRTimelineGroup
BEACONLIGHT CAPITAL, LLC1,273,505$18.9M9.35%+344,97013F-HRTimeline
UBS Group AGgroup of 2 filers holding1,263,506$18.8M+55,268Timeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…1,261,854$18.8M0.16%-151,70113F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC1,207,407$18M<0.01%+36,88613F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC1,171,848$17.4M0.01%+428,24713F-HRTimelineGroup
Kailix Advisors LLC1,103,169$16.4M22.34%-129,15013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP1,072,835$16M<0.01%+48,27513F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …919,222$13.7M0.01%-1,74313F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC914,044$13.6M0.29%+31,50313F-HRTimeline
SG Americas Securities, LLC889,288$13.2M0.05%+438,41213F-HRTimeline
Mountaineer Partners Management, LLC833,776$12.4M7.22%-11,90613F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co822,704$12.2M<0.01%+14,15013F-HRTimelineGroup
Engineers Gate Manager LP769,384$11.4M0.13%+592,48013F-HRTimeline
TUDOR INVESTMENT CORP ET AL751,055$11.2M0.07%+160,59613F-HR/ATimeline
VOLORIDGE INVESTMENT MANAGEMENT, LLC678,758$10.1M0.03%-193,02213F-HRTimeline
WHITEBOX ADVISORS LLC661,260$9.84M0.18%-181,72913F-HRTimeline
Empowered Funds, LLC645,991$9.61M0.1%+35,95013F-HRTimeline
MOORE CAPITAL MANAGEMENT, LP642,742$9.56M0.19%-178,00413F-HRTimeline
Boston Partnersin group Boston Trust Walden Corp625,110$9.3M0.01%+340,35713F-HRTimelineGroup
PANAGORA ASSET MANAGEMENT INC604,898$9M0.04%+172,52913F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/599,953$8.93M<0.01%+8,64713F-HRTimeline
ALGERT GLOBAL LLC595,676$8.86M0.15%+249,02013F-HR/ATimeline
SummitTX Capital, L.P.560,909$8.35M0.35%+25,48313F-HRTimeline
Cubist Systematic Strategies, LLC501,775$7.47M0.11%-212,36413F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/488,937$7.28M<0.01%+91,00313F-HR/ATimelineGroup
Trexquant Investment LP486,332$7.24M0.07%-234,81513F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…459,907$6.84M0.01%-41,17113F-HRTimelineGroup
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC453,580$6.75M0.02%+69,21013F-HRTimeline
ArrowMark Colorado Holdings LLC451,913$6.72M0.12%-127,00013F-HRTimeline
Voleon Capital Management LP446,347$6.64M0.16%+351,50313F-HRTimeline
Man Group plcin group Man Group plc387,373$5.76M0.01%-10,53513F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp384,128$5.72M<0.01%+9,26013F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…357,549$5.32M<0.01%+29,20913F-HRTimelineGroup
Franklin Resourcesgroup of 2 filers holding341,984$5.09M+27,999Timeline
BEACON INVESTMENT ADVISORS LLC340,623$5.07M2.07%+1,35213F-HRTimeline
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…307,487$4.58M0.03%-201,80913F-HR/ATimelineGroup
MASSACHUSETTS FINANCIAL SERVICES CO /MA/in group MASSACHUSETTS FINANCIAL SERVI…284,975$4.24M<0.01%+69,01313F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC275,266$4.1M<0.01%-51,15213F-HR/ATimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC251,758$3.75M<0.01%+6,93313F-HRTimelineGroup
Swiss National Bank249,400$3.71M<0.01%+3,70013F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC237,430$3.53M0.04%+89,91713F-HR/ATimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/231,915$3.45M<0.01%+22,38513F-HRTimelineGroup
Verition Fund Management LLC226,340$3.37M0.02%-85,21713F-HRTimeline
COHEN & STEERS, INC.in group COHEN & STEERS, INC.224,743$3.34M0.01%-1,29213F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC223,555$3.32M0.01%+201,87013F-HRTimelineGroup
Ionic Capital Management LLC218,566$3.25M3.62%013F-HRTimeline
Rockingstone Advisors LLC214,762$3.2M1.58%+1,28513F-HRTimeline
RHUMBLINE ADVISERS210,467$3.13M<0.01%-3,83813F-HRTimeline
Sequoia Financial Advisors, LLC193,279$2.88M0.02%new13F-HRTimeline
LSV ASSET MANAGEMENT186,800$2.78M0.01%013F-HRTimeline
Eisler Capital Management Ltd.181,256$2.69M0.06%+146,14513F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…179,534$2.67M<0.01%-18,62613F-HRTimelineGroup
Schonfeld Strategic Advisors LLC176,821$2.63M0.02%+152,18113F-HRTimeline
IEQ CAPITAL, LLC174,587$2.6M0.01%+106,10713F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS172,177$2.56M<0.01%+68,83213F-HRTimelineGroup
Creative Planningin group Creative Planning166,502$2.48M<0.01%+34,17213F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…164,300$2.44M<0.01%new13F-HRTimeline
Y-Intercept (Hong Kong) Ltd163,261$2.43M0.06%+57,90913F-HRTimeline
GW&K Investment Management, LLC160,030$2.38M0.02%new13F-HRTimeline
ALLIANCEBERNSTEIN L.P.157,750$2.35M<0.01%+1,50013F-HRTimeline
Lighthouse Investment Partners, LLCin group Lighthouse Investment Partner…156,878$2.33M0.08%+24,62913F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc156,335$2.33M<0.01%+24,24713F-HRTimelineGroup
HRT FINANCIAL LP152,996$2.28M0.01%-121,27613F-HRTimeline
Invesco Ltd.in group Invesco Ltd.141,712$2.11M<0.01%+5,45713F-HRTimelineGroup
State of Alaska, Department of Revenue140,705$2.09M0.02%+5,70513F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC140,587$2.09M<0.01%-33,88513F-HRTimelineGroup
Qube Research & Technologies Ltd135,731$2.02M<0.01%-73,58813F-HRTimeline
Knights of Columbus Asset Advisors LLC132,303$1.97M0.11%new13F-HRTimeline
MACKENZIE FINANCIAL CORP132,130$1.97M<0.01%+116,35913F-HRTimeline
Mitsubishi UFJ Trust & Banking Corpin group Mitsubishi UFJ Trust & Bankin…121,720$1.81M<0.01%+57,33713F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…121,649$1.81M<0.01%+9,93713F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.119,621$1.78M<0.01%+37213F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\118,417$1.76M<0.01%+20,97513F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP116,010$1.73M<0.01%-290,86813F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD115,020$1.71M<0.01%-54,51413F-HRTimeline
Aberdeen Group plcin group Aberdeen Group plc112,533$1.69M<0.01%-45,20013F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN110,449$1.64M<0.01%+23,10413F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP110,230$1.64M0.14%+65,53213F-HRTimeline
CITIGROUP INCin group CITIGROUP INC106,528$1.59M<0.01%+48,06913F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …103,135$1.53M<0.01%-28,13213F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO102,658$1.53M<0.01%-5,57413F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…101,105$1.5M<0.01%-129,70713F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP99,705$1.48M<0.01%+4713F-HRTimelineGroup
HighTower Advisors, LLC96,421$1.43M<0.01%+6,31613F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC95,002$1.41M<0.01%-1,95513F-HRTimelineGroup
Private Advisor Group, LLC88,906$1.32M0.01%-22,79813F-HRTimeline
CenterBook Partners LP88,854$1.32M0.07%-4,71913F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC86,881$1.29M<0.01%+62,89113F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC86,406$1.29M<0.01%-15,68813F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…81,980$1.22M0.01%-3,19413F-HRTimelineGroup
MARTINGALE ASSET MANAGEMENT L P76,958$1.15M0.03%new13F-HRTimeline
CWM, LLCin group CWM, LLC73,313$1.09M<0.01%+42,29713F-HRTimelineGroup
New Century Financial Group, LLC68,442$1.02M1.81%new13F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…67,480$1M<0.01%-10,54713F-HRTimelineGroup
ExodusPoint Capital Management, LP64,160$955K0.01%+15,13413F-HRTimeline
LAWSON KROEKER INVESTMENT MANAGEMENT IN…63,020$938K0.17%-10,85013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.63,922$926K<0.01%+63,68313F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC61,097$909K<0.01%+4,00713F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA60,271$896K<0.01%-4,38213F-HRTimelineGroup
STRS OHIO59,400$884K<0.01%-2,00013F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC58,493$870K<0.01%+32,98013F-HRTimelineGroup
Quantinno Capital Management LP57,125$850K<0.01%+12,79713F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC57,272$846K<0.01%-36,38013F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC55,443$825K0.01%-13,22813F-HRTimeline
RENAISSANCE GROUP LLC51,856$772K0.03%-39,08713F-HRTimeline
BAILARD, INC.49,100$731K0.02%+1,90013F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …47,846$721K<0.01%-47213F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND45,787$681K<0.01%+7,00013F-HRTimeline
OCCUDO QUANTITATIVE STRATEGIES LP43,891$653K0.08%new13F-HRTimeline
Walleye Capital LLCin group Walleye Capital LLC42,853$638K0.01%+40,75313F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…38,387$590K<0.01%+17,22313F-HRTimeline
Police & Firemen's Retirement System of…39,426$587K<0.01%+8,51213F-HRTimeline
State of Wyoming39,241$584K0.07%+2,09713F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM38,062$566K<0.01%+52513F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC37,699$561K<0.01%-3,01513F-HRTimeline
Dynamic Technology Lab Private Ltd36,407$542K0.09%+11,63613F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC36,300$540K<0.01%-69,80013F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…36,160$538K<0.01%013F-HRTimeline
Summit Global Investmentsin group Summit Global Investments34,608$515K0.03%-2,11713F-HRTimelineGroup
PharVision Advisers, LLC33,893$504K0.28%+22,83813F-HRTimeline
WOLVERINE TRADING, LLC32,889$494K0.01%-93,83813F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…33,021$491K<0.01%013F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS32,667$486K<0.01%-3,55713F-HRTimeline
Mariner, LLCin group Mariner, LLC32,596$485K<0.01%new13F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd30,783$458K0.02%new13F-HRTimelineGroup
&PARTNERS30,575$455K<0.01%-1,12513F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC29,737$442K0.03%+7,26713F-HRTimeline
Ethic Inc.28,827$429K0.01%-4,28613F-HRTimeline
Allianz Asset Management GmbHin group Allianz SE27,630$411K<0.01%new13F-HRTimelineGroup
ProShare Advisors LLC27,244$405K<0.01%-4,85113F-HRTimeline
Advisors Asset Management, Inc.26,784$399K0.01%-5113F-HR/ATimeline
KLP KAPITALFORVALTNING AS26,600$396K<0.01%013F-HRTimeline
Metis Global Partners, LLC26,504$394K0.01%013F-HRTimeline
VIRTUS ADVISERS, LLCin group Virtus Investment Advisers, L…26,000$387K0.21%013F-HR/ATimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC25,806$384K<0.01%-123,89513F-HRTimelineGroup
Counterpoint Mutual Funds LLC24,567$366K0.03%new13F-HRTimeline
Polymer Capital Management (US) LLC24,416$363K0.05%-7,05313F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV24,010$357K<0.01%new13F-HRTimeline
OMERS ADMINISTRATION Corp23,600$351K<0.01%new13F-HRTimeline
Aristides Capital LLC18,719$279K0.08%new13F-HRTimeline
Neo Ivy Capital Management18,480$275K0.07%new13F-HRTimeline
CONTRAVISORY INVESTMENT MANAGEMENT, INC.18,382$274K0.05%new13F-HRTimeline
Arax Advisory Partners18,078$269K<0.01%new13F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…17,900$266K<0.01%013F-HRTimelineGroup
Graham Capital Management, L.P.17,482$260K0.01%new13F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC16,425$244K<0.01%+6513F-HRTimelineGroup
CIBC Bancorp USA Inc.group of 2 filers holding15,426$230K+15,176Timeline
CAPTRUST FINANCIAL ADVISORS14,381$214K<0.01%new13F-HRTimeline
FourThought Financial Partners, LLC14,335$213K0.02%new13F-HRTimeline
Belpointe Asset Management LLC11,920$177K0.01%013F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…11,894$177K0.01%-2,64213F-HRTimelineGroup
XPONANCE LLC11,220$167K<0.01%+11913F-HRTimeline
Bayesian Capital Management, LP11,100$165K0.03%new13F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…10,972$163K<0.01%-13,64813F-HRTimelineGroup
Focus Partners Wealthin group Focus Partners Wealth10,274$161K<0.01%new13F-HRTimelineGroup
Jain Global LLC10,819$161K<0.01%new13F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding10,402$155K+10,317Timeline
Numerai GP LLC10,362$154K0.02%new13F-HRTimeline
EMC Capital Management10,152$151K0.07%013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…6,584$98K<0.01%+44213F-HRTimeline
Sterling Capital Management LLC6,349$94.5K<0.01%+3,79613F-HRTimeline
IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVA…5,700$84.8K0.11%new13F-HRTimeline
Quarry LP5,610$83.5K0.02%+1,96013F-HRTimeline
Versant Capital Management, Inc5,138$76.5K0.01%013F-HRTimeline
AMALGAMATED BANK4,542$68K<0.01%013F-HRTimeline
KBC Group NVin group KBC Group NV4,238$63K<0.01%013F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC3,677$54.7K<0.01%new13F-HRTimeline
NOMURA ASSET MANAGEMENT CO LTDin group NOMURA ASSET MANAGEMENT CO LTD3,600$53.6K<0.01%+1,50013F-HRTimelineGroup
SIGNATUREFD, LLC3,455$51.4K<0.01%+5713F-HRTimeline
Geneos Wealth Management Inc.3,000$44.6K<0.01%013F-HRTimeline
GAMMA Investing LLC2,382$35.4K<0.01%+24813F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…2,348$34.9K<0.01%+2,00213F-HRTimelineGroup
Essential Partners LLC2,290$34.1K0.01%+1,34913F-HRTimeline
NISA INVESTMENT ADVISORS, LLC2,110$31.4K<0.01%013F-HRTimeline
GROUP ONE TRADING LLC1,973$29.4K<0.01%-69,79513F-HRTimeline
Allworth Financial LP1,360$20.2K<0.01%+1,21713F-HRTimeline
BARROW HANLEY MEWHINNEY & STRAUSS LLC1,042$15.5K<0.01%-3713F-HRTimeline
Clearstead Advisors, LLC1,024$15.2K<0.01%+48613F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.883$13K<0.01%-80913F-HRTimeline