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CSTM CONSTELLIUM SE

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CL A SHS (common), issuer CIK 1563411

247 managers (251 13F filers) reported a position in CSTM shares at 2025-12-31, 122,571,701 shares in all. 40 filers opened a position and 20 filers sold out during the quarter.

Managers
247
13F filers
251
New
40
Added
85
Reduced
94
Sold out
20
Shares held by filers
122,571,701

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, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, 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.13,730,294$259M<0.01%-288,90913F-HRTimelineGroup
Bpifrance SAin group Bpifrance SA12,593,903$237M10.03%013F-HRTimelineGroup
FMR LLCin group FMR LLC10,569,283$199M0.01%-2,948,78813F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC6,269,869$118M0.08%-665,89713F-HRTimelineGroup
Encompass Capital Advisors LLCin group Encompass Capital Advisors LLC4,657,915$87.8M4.2%+393,64013F-HRTimelineGroup
T. Rowe Price Investment Management, In…4,334,727$81.7M0.05%-781,95313F-HR/ATimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC4,054,982$76.4M<0.01%+755,91813F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY3,728,118$70.3M<0.01%+1,216,51613F-HR/ATimelineGroup
Nut Tree Capital Management, LP3,225,000$60.8M11.46%-1,988,90013F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.3,055,291$57.6M0.04%+604,66813F-HRTimelineGroup
Nuveen, LLCin group TIAA2,840,961$53.6M0.01%-9,16013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP2,660,518$50.2M<0.01%+92,95513F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO2,089,412$39.4M<0.01%-318,18513F-HRTimelineGroup
NOMURA ASSET MANAGEMENT CO LTDgroup of 2 filers holding1,947,839$36.7M+1,944,239Timeline
BRIGHTLINE CAPITAL MANAGEMENT, LLC1,842,000$34.7M14.04%+217,00013F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC1,811,344$34.1M0.02%+639,49613F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC1,766,503$33.3M0.02%+488,58013F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,631,574$30.8M<0.01%-76,56213F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding1,424,512$26.9M+161,006Timeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC1,367,485$25.8M<0.01%+160,07813F-HR/ATimelineGroup
Soapstone Management L.P.1,350,000$25.4M18.75%-319,09913F-HRTimeline
BEACONLIGHT CAPITAL, LLC1,339,934$25.3M14.75%+66,42913F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…1,194,936$22.5M0.18%-66,91813F-HRTimelineGroup
Engineers Gate Manager LP1,049,218$19.8M0.23%+279,83413F-HRTimeline
COOPER CREEK PARTNERS MANAGEMENT LLC999,209$18.8M0.89%-667,31213F-HRTimeline
Kailix Advisors LLC978,057$18.4M20.55%-125,11213F-HRTimeline
SG Americas Securities, LLC974,735$18.4M0.02%+85,44713F-HRTimeline
Cannell & Spears LLC967,047$18.2M0.34%-590,78813F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP941,854$17.8M<0.01%-130,98113F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC939,231$17.7M0.37%+25,18713F-HRTimeline
MOORE CAPITAL MANAGEMENT, LP857,954$16.2M0.33%+215,21213F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co808,857$15.2M<0.01%-13,84713F-HRTimelineGroup
SummitTX Capital, L.P.688,573$13M0.39%+127,66413F-HRTimeline
Mountaineer Partners Management, LLC681,464$12.8M7.19%-152,31213F-HRTimeline
Empowered Funds, LLC671,222$12.7M0.21%+25,23113F-HR/ATimeline
PANAGORA ASSET MANAGEMENT INC621,183$11.7M0.04%+16,28513F-HRTimeline
ArrowMark Colorado Holdings LLC603,379$11.4M0.25%+151,46613F-HRTimeline
BW Gestao de Investimentos Ltda.546,270$10.3M0.36%new13F-HRTimeline
Boston Partnersin group Boston Trust Walden Corp542,004$10.2M0.01%-83,10613F-HRTimelineGroup
VOLORIDGE INVESTMENT MANAGEMENT, LLC514,609$9.7M0.03%-164,14913F-HRTimeline
WHITEBOX ADVISORS LLC499,660$9.42M0.16%-161,60013F-HRTimeline
TUDOR INVESTMENT CORP ET AL496,715$9.36M0.05%-254,34013F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…470,813$8.87M<0.01%+113,26413F-HRTimelineGroup
ALGERT GLOBAL LLC455,858$8.59M0.13%-139,81813F-HR/ATimeline
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC448,180$8.45M0.03%-5,40013F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …447,767$8.44M<0.01%-471,45513F-HRTimelineGroup
DANSKE BANK A/S437,099$8.24M0.02%new13F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…429,327$8.09M0.01%-30,58013F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/425,351$8.02M<0.01%-63,58613F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp402,511$7.59M<0.01%+18,38313F-HRTimelineGroup
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…401,989$7.58M0.04%+94,50213F-HRTimelineGroup
Trexquant Investment LP386,700$7.29M0.06%-99,63213F-HRTimeline
Y-Intercept (Hong Kong) Ltd383,843$7.24M0.16%+220,58213F-HRTimeline
Penn Capital Management Company, LLC365,194$6.9M0.55%new13F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC361,626$6.8M0.01%+138,07113F-HRTimelineGroup
Franklin Resourcesgroup of 2 filers holding335,350$6.32M-6,634Timeline
BEACON INVESTMENT ADVISORS LLC327,918$6.18M2.48%-12,70513F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.318,089$6M0.01%new13F-HRTimelineGroup
HRT FINANCIAL LP316,667$5.97M0.02%+163,67113F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC313,732$5.91M0.01%+61,97413F-HRTimelineGroup
MASSACHUSETTS FINANCIAL SERVICES CO /MA/in group MASSACHUSETTS FINANCIAL SERVI…311,531$5.87M<0.01%+26,55613F-HRTimelineGroup
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…300,000$5.66M0.01%new13F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.297,021$5.6M0.01%+177,40013F-HRTimelineGroup
Voleon Capital Management LP286,583$5.4M0.12%-159,76413F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND286,284$5.4M0.01%+240,49713F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC285,046$5.37M<0.01%+9,78013F-HRTimelineGroup
GW&K Investment Management, LLC267,131$5.04M0.04%+107,10113F-HRTimeline
THORNBURG INVESTMENT MANAGEMENT INC251,735$4.75M0.06%new13F-HRTimeline
LSV ASSET MANAGEMENT248,800$4.69M0.01%+62,00013F-HRTimeline
Swiss National Bank247,600$4.67M<0.01%-1,80013F-HRTimeline
IEQ CAPITAL, LLC239,123$4.51M0.01%+64,53613F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/238,258$4.49M<0.01%+6,34313F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management219,374$4.14M0.01%new13F-HRTimelineGroup
Rockingstone Advisors LLC219,227$4.13M1.88%+4,46513F-HRTimeline
Ionic Capital Management LLC218,566$4.12M4.08%013F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…206,782$3.9M0.01%+42,48213F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC206,281$3.89M0.01%new13F-HRTimelineGroup
Edgestream Partners, L.P.205,922$3.88M0.11%new13F-HRTimeline
Creative Planningin group Creative Planning193,725$3.65M<0.01%+27,22313F-HRTimelineGroup
Sequoia Financial Advisors, LLC193,482$3.65M0.02%+20313F-HRTimeline
OCCUDO QUANTITATIVE STRATEGIES LP177,650$3.35M0.22%+133,75913F-HRTimeline
Allianz Asset Management GmbHin group Allianz SE175,947$3.32M<0.01%+148,31713F-HRTimelineGroup
RHUMBLINE ADVISERS175,808$3.31M<0.01%-34,65913F-HRTimeline
Schonfeld Strategic Advisors LLC169,926$3.2M0.02%-6,89513F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC165,666$3.12M0.04%-71,76413F-HRTimelineGroup
Verition Fund Management LLC165,125$3.11M0.02%-61,21513F-HRTimeline
Invesco Ltd.in group Invesco Ltd.164,654$3.1M<0.01%+22,94213F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN161,822$3.05M<0.01%+51,37313F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\160,798$3.03M<0.01%+42,38113F-HRTimelineGroup
ExodusPoint Capital Management, LP152,197$2.87M0.03%+88,03713F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc142,187$2.68M<0.01%-14,14813F-HRTimelineGroup
State of Alaska, Department of Revenue140,705$2.65M0.03%013F-HRTimeline
Lighthouse Investment Partners, LLCin group Lighthouse Investment Partner…139,240$2.62M0.09%-17,63813F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.138,450$2.61M<0.01%-19,30013F-HRTimeline
MACKENZIE FINANCIAL CORP132,642$2.51M<0.01%+51213F-HRTimeline
Knights of Columbus Asset Advisors LLC128,350$2.42M0.14%-3,95313F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC127,490$2.4M<0.01%-13,09713F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…117,541$2.22M<0.01%-4,10813F-HRTimeline
Man Group plcin group Man Group plc116,669$2.2M<0.01%-270,70413F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…106,952$2.02M0.01%+5,84713F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP99,822$1.88M<0.01%+11713F-HR/ATimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD97,245$1.83M<0.01%-17,77513F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS95,679$1.8M<0.01%-76,49813F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC95,418$1.8M<0.01%+41613F-HRTimelineGroup
HighTower Advisors, LLC93,574$1.76M<0.01%-2,84713F-HRTimeline
Mitsubishi UFJ Trust & Banking Corpin group Mitsubishi UFJ Trust & Bankin…93,541$1.76M<0.01%-28,17913F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO89,434$1.69M<0.01%-13,22413F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC87,558$1.65M<0.01%+1,15213F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …86,334$1.63M<0.01%-16,80113F-HRTimelineGroup
CWM, LLCin group CWM, LLC85,897$1.62M<0.01%+12,58413F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC83,803$1.58M<0.01%+25,31013F-HRTimelineGroup
Private Advisor Group, LLC83,588$1.58M0.01%-5,31813F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P81,373$1.53M0.04%+4,41513F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/78,838$1.49M<0.01%-521,11513F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…75,873$1.43M0.01%-6,10713F-HRTimelineGroup
Quantinno Capital Management LP74,466$1.4M<0.01%+17,34113F-HRTimeline
Convergence Investment Partners, LLC73,600$1.39M0.28%new13F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC73,436$1.38M<0.01%+16,16413F-HR/ATimelineGroup
Mariner, LLCin group Mariner, LLC68,794$1.3M<0.01%+36,19813F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…65,724$1.24M<0.01%-1,75613F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC60,693$1.14M<0.01%-45,83513F-HRTimelineGroup
TWO SIGMA ADVISERS, LPin group TWO SIGMA INVESTMENTS, LP59,500$1.12M<0.01%new13F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…58,359$1.1M<0.01%-121,17513F-HRTimelineGroup
RENAISSANCE GROUP LLC58,221$1.1M0.04%+6,36513F-HRTimeline
CenterBook Partners LP55,927$1.05M0.05%-32,92713F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.55,450$1.05M<0.01%-8,47213F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC55,443$1.05M0.01%013F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …52,482$1.04M<0.01%+4,63613F-HRTimelineGroup
LAWSON KROEKER INVESTMENT MANAGEMENT IN…54,020$1.02M0.3%-9,00013F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…51,113$1.02M<0.01%+12,72613F-HRTimeline
STRS OHIO52,300$986K<0.01%-7,10013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA50,805$957K<0.01%-9,46613F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson50,154$946K<0.01%-1,760,27813F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP48,745$919K<0.01%-67,26513F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC53,814$871K<0.01%-33,06713F-HRTimeline
BAILARD, INC.46,100$869K0.02%-3,00013F-HRTimeline
Numerai GP LLC41,228$777K0.09%+30,86613F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…39,445$744K<0.01%+6,42413F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC39,206$739K0.05%+9,46913F-HRTimeline
Police & Firemen's Retirement System of…36,701$692K0.01%-2,72513F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…36,160$682K<0.01%013F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd35,285$665K0.02%+4,50213F-HRTimelineGroup
MERCER GLOBAL ADVISORS INC /ADV35,277$665K<0.01%+11,26713F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM35,035$660K<0.01%-3,02713F-HRTimeline
State of Wyoming33,927$640K0.07%-5,31413F-HRTimeline
Summit Global Investmentsin group Summit Global Investments33,245$627K0.04%-1,36313F-HRTimelineGroup
&PARTNERS30,359$572K<0.01%-21613F-HRTimeline
Ethic Inc.29,283$552K0.01%+45613F-HRTimeline
ProShare Advisors LLC28,808$543K<0.01%+1,56413F-HRTimeline
Graham Capital Management, L.P.28,448$536K0.02%+10,96613F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC27,930$526K<0.01%-9,76913F-HRTimeline
KLP KAPITALFORVALTNING AS26,600$501K<0.01%013F-HRTimeline
Metis Global Partners, LLC26,504$500K0.01%013F-HRTimeline
Focus Partners Wealthgroup of 2 filers holding26,178$493K+15,904Timeline
VIRTUS ADVISERS, LLCin group Virtus Investment Advisers, L…26,000$490K0.23%013F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC24,735$466K<0.01%-1,07113F-HRTimelineGroup
PharVision Advisers, LLC24,466$461K0.23%-9,42713F-HRTimeline
GSA CAPITAL PARTNERS LLP24,403$460K0.04%-85,82713F-HRTimeline
MIRABELLA FINANCIAL SERVICES LLP20,790$392K0.04%new13F-HRTimeline
HIGHLAND CAPITAL MANAGEMENT, LLC19,482$367K0.02%new13F-HRTimeline
Cambridge Investment Research Advisors,…18,820$355K<0.01%new13F-HRTimeline
Dynamic Technology Lab Private Ltd18,797$354K0.08%-17,61013F-HRTimeline
Jain Global LLC18,089$341K<0.01%+7,27013F-HRTimeline
CAPTRUST FINANCIAL ADVISORS17,935$338K<0.01%+3,55413F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…17,900$337K<0.01%013F-HRTimelineGroup
CONTRAVISORY INVESTMENT MANAGEMENT, INC.17,671$333K0.07%-71113F-HRTimeline
EP Wealth Advisors, LLC17,026$321K<0.01%13F-HRTimeline
Brooklyn Investment Group16,543$313K0.01%new13F-HRTimeline
Advisors Asset Management, Inc.15,661$295K<0.01%-11,12313F-HR/ATimeline
Aristides Capital LLC15,659$295K0.1%-3,06013F-HR/ATimeline
nVerses Capital, LLC15,298$288K0.65%new13F-HRTimeline
Polymer Capital Management (US) LLC15,200$287K0.04%-9,21613F-HRTimeline
FourThought Financial Partners, LLC14,417$272K0.02%+8213F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS14,409$272K<0.01%-18,25813F-HRTimeline
OXFORD ASSET MANAGEMENT LLP14,224$268K0.1%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Fiduciary Trust Coin group Fiduciary Trust Co13,463$254K<0.01%new13F-HRTimelineGroup
Merit Financial Group, LLC13,463$254K<0.01%new13F-HRTimeline
MANGROVE PARTNERS IM, LLC12,084$228K0.02%new13F-HRTimeline
Belpointe Asset Management LLC11,920$225K0.01%013F-HRTimeline
Callan Family Office, LLCin group Callan Family Office, LLC11,628$219K<0.01%new13F-HRTimelineGroup
Centiva Capital, LP11,153$210K0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…11,143$210K0.01%-75113F-HRTimelineGroup
Krilogy Financial LLC9,253$209K0.01%new13F-HRTimeline
XPONANCE LLC10,871$205K<0.01%-34913F-HRTimeline
Vise Technologies, Inc.10,737$202K<0.01%new13F-HRTimeline
Rathbones Group PLC10,675$201K<0.01%new13F-HR/ATimeline
Moran Wealth Management, LLC10,333$195K0.01%new13F-HRTimeline
LPL Financial LLC10,219$193K<0.01%new13F-HRTimeline
Fisher Asset Management, LLC10,173$192K<0.01%new13F-HRTimeline
Baader Bank Aktiengesellschaft10,000$188K0.02%new13F-HRTimeline
Rossby Financial, LCC10,000$188K0.06%new13F-HRTimeline
EMC Capital Management8,629$163K0.07%-1,52313F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…7,938$150K<0.01%-3,03413F-HRTimelineGroup
GROUP ONE TRADING LLC7,581$143K<0.01%+5,60813F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…6,254$118K<0.01%-33013F-HRTimeline
Sterling Capital Management LLC5,343$101K<0.01%-1,00613F-HRTimeline
Versant Capital Management, Inc5,138$96.9K0.01%013F-HRTimeline
AMALGAMATED BANK4,313$81K<0.01%-22913F-HRTimeline
KBC Group NVin group KBC Group NV4,238$80K<0.01%013F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC3,677$69.3K<0.01%013F-HRTimeline