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Disclosery

CSTM CONSTELLIUM SE

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CL A SHS (common), issuer CIK 1563411

303 managers (313 13F filers) reported a position in CSTM shares at 2026-03-31, 124,347,933 shares in all. 80 filers opened a position and 22 filers sold out during the quarter.

Managers
303
13F filers
313
New
80
Added
113
Reduced
84
Sold out
22
Shares held by filers
124,347,933

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, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, 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
Sterling Capital Management LLC17,778$437K0.01%+12,43513F-HRTimeline
Centiva Capital, LP17,728$436K0.02%+6,57513F-HRTimeline
CONTRAVISORY INVESTMENT MANAGEMENT, INC.17,650$434K0.09%-2113F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA16,725$411K<0.01%-34,08013F-HRTimelineGroup
Cynosure Group, LLC16,404$403K0.05%new13F-HRTimeline
Merit Financial Group, LLC16,284$400K<0.01%+2,82113F-HRTimeline
Advisors Asset Management, Inc.15,619$384K0.01%-4213F-HRTimeline
Crescent Grove Advisors, LLC14,485$356K0.04%new13F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC14,460$355K0.01%-151,20613F-HRTimelineGroup
FourThought Financial Partners, LLC14,417$354K0.03%013F-HRTimeline
BRIGHTON JONES LLC13,849$340K0.01%new13F-HR/ATimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP13,775$339K<0.01%-34,97013F-HRTimelineGroup
XPONANCE LLC13,476$331K<0.01%+2,60513F-HRTimeline
Fiduciary Trust Coin group Fiduciary Trust Co13,463$331K<0.01%013F-HRTimelineGroup
Caitong International Asset Management …13,301$327K0.06%new13F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP12,881$317K<0.01%new13F-HRTimelineGroup
Harvest Fund Management Co., Ltdin group Harvest Fund Management Co., …12,221$300K0.01%+11,81113F-HRTimelineGroup
MANGROVE PARTNERS IM, LLC12,084$297K0.02%013F-HRTimeline
CenterBook Partners LP12,000$295K0.02%-43,92713F-HRTimeline
PFG Investments, LLC11,425$281K0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…11,143$274K0.01%013F-HRTimelineGroup
Rossby Financial, LCC10,000$273K0.06%013F-HRTimeline
Moran Wealth Management, LLC11,025$271K0.01%+69213F-HRTimeline
Krilogy Financial LLC9,054$269K0.01%-19913F-HRTimeline
Magnetar Financial LLCin group Magnetar Financial LLC10,697$263K<0.01%new13F-HRTimelineGroup
Rathbones Group PLC10,675$262K<0.01%013F-HR/ATimeline
OXFORD ASSET MANAGEMENT LLP10,606$261K0.11%-3,61813F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Abacus Wealth Partners, LLC10,092$248K0.02%new13F-HRTimeline
Handelsbanken Fonder AB10,081$248K<0.01%new13F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP9,894$243K<0.01%new13F-HRTimelineGroup
TWO SIGMA SECURITIES, LLC9,728$239K0.03%new13F-HRTimeline
Integrated Wealth Concepts LLC9,707$239K<0.01%new13F-HRTimeline
S.E.E.D. Planning Group LLC9,500$234K0.07%new13F-HRTimeline
Amundiin group Amundi8,881$218K<0.01%new13F-HRTimelineGroup
Callan Family Office, LLC8,644$212K<0.01%-2,98413F-HRTimeline
Abel Hall, LLC8,631$212K0.05%new13F-HRTimeline
Pallas Capital Advisors LLC8,548$210K0.01%new13F-HRTimeline
Collaborative Fund Advisors, LLC8,283$204K0.13%13F-HRTimeline
Vise Technologies, Inc.10,737$202K<0.01%013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.6,174$152K<0.01%-49,27613F-HRTimelineGroup
Versant Capital Management, Inc5,138$126K0.01%013F-HRTimeline
SIGNATUREFD, LLC3,757$92.3K<0.01%+35713F-HRTimeline
Allworth Financial LP3,705$91.1K<0.01%+1,63113F-HRTimeline
QUADRANT CAPITAL GROUP LLC3,677$90.4K<0.01%013F-HR/ATimeline
GAMMA Investing LLC3,545$87.1K<0.01%+45613F-HRTimeline
Essential Partners LLC3,489$85.8K0.03%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…3,452$84.8K<0.01%+30113F-HR/ATimelineGroup
IFP Advisors, Inc3,232$79.4K<0.01%+2,42313F-HRTimeline
Geneos Wealth Management Inc.3,000$73.7K<0.01%013F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…2,586$63.6K<0.01%+2,06713F-HRTimelineGroup
MAI Capital Management2,535$62.3K<0.01%+2,38313F-HRTimeline
USA FINANCIAL FORMULAS2,253$55.4K0.01%+1,09713F-HRTimeline
Covestor Ltd1,991$49K0.03%new13F-HRTimeline
Plato Investment Management Ltd1,781$43.8K<0.01%new13F-HRTimeline
NISA INVESTMENT ADVISORS, LLC1,777$43.7K<0.01%+413F-HRTimeline
Farther Finance Advisors, LLC1,529$41.8K<0.01%+4113F-HRTimeline
ROTHSCHILD INVESTMENT LLC1,585$39K<0.01%+75113F-HRTimeline
Arax Advisory Partners1,283$32.7K<0.01%new13F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP100,308$28.5K<0.01%+48613F-HRTimelineGroup
Matrix Trust Co1,152$28K<0.01%+2513F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.1,036$25K<0.01%+16813F-HRTimeline
True Wealth Design, LLC961$23.6K0.01%013F-HRTimeline
Kemnay Advisory Services Inc.961$23.6K<0.01%new13F-HRTimeline
Cullen/Frost Bankers, Inc.in group Cullen/Frost Bankers, Inc.950$23.4K<0.01%new13F-HRTimelineGroup
Smartleaf Asset Management LLC923$21.3K<0.01%+9913F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\830$20.4K<0.01%+9913F-HRTimelineGroup
Advisory Services Network, LLC816$20.1K<0.01%new13F-HRTimeline
EASTERN BANK740$18.2K<0.01%013F-HRTimeline
Parallel Advisors, LLC665$16.3K<0.01%+5413F-HR/ATimeline
HARBOUR INVESTMENTS, INC.599$14.7K<0.01%new13F-HRTimeline
BARROW HANLEY MEWHINNEY & STRAUSS LLC576$14.2K<0.01%-38113F-HRTimeline
Accent Capital Management, LLC573$14.1K0.01%new13F-HR/ATimeline
WealthCollab, LLC560$13.8K0.01%013F-HRTimeline
Pacifica Partners Inc.500$12.3K<0.01%013F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.440$10.8K<0.01%-6213F-HR/ATimelineGroup
Root Financial Partners, LLC422$10.4K<0.01%new13F-HRTimeline
NewEdge Advisors, LLC300$7.37K<0.01%new13F-HR/ATimeline
Blue Trust, Inc.250$6.14K<0.01%013F-HRTimeline
J.Safra Asset Management Corp217$5.33K<0.01%+8113F-HRTimeline
Atlantic Union Bankshares Corpin group Atlantic Union Bankshares Corp200$4.92K<0.01%013F-HRTimelineGroup
TOMPKINS FINANCIAL CORPin group TOMPKINS FINANCIAL CORP200$4.92K<0.01%013F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…189$4.65K<0.01%+10913F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP178$4.16K<0.01%new13F-HRTimelineGroup
Intentional Wealth Strategies, LLC144$3.54K<0.01%13F-HRTimeline
SJS Investment Consulting Inc.139$3.42K<0.01%+6013F-HRTimeline
Quarry LP109$2.68K<0.01%-1,76213F-HRTimeline
Larson Financial Group LLC101$2.48K<0.01%+7113F-HRTimeline
Basecamp Wealth Advisors LLC101$2.48K<0.01%new13F-HRTimeline
LANARK FINANCIAL, INC.100$2.46K<0.01%new13F-HRTimeline
Wealth Preservation Advisors, LLC97$2.38K<0.01%new13F-HRTimeline
Kilter Group LLC64$1.57K<0.01%-2913F-HRTimeline
Golden State Wealth Management, LLC50$1.23K<0.01%new13F-HRTimeline
Bell Investment Advisors, Inc48$1.18K<0.01%+2113F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC47$1.16K<0.01%013F-HRTimelineGroup
Parkside Financial Bank & Trust45$1.11K<0.01%013F-HRTimeline
Sunbelt Securities, Inc.29$713<0.01%013F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…27$664<0.01%new13F-HRTimelineGroup
Cornerstone Planning Group LLC17$561<0.01%-1513F-HRTimeline
Frazier Financial Advisors, LLC19$468<0.01%new13F-HRTimeline
JPL Wealth Management, LLC18$443<0.01%new13F-HR/ATimeline
MassMutual Private Wealth & Trust, FSB15$369<0.01%013F-HRTimeline
Financial Gravity Asset Management, Inc.in group Financial Gravity Companies, …13$320<0.01%+1213F-HRTimelineGroup
TWIN PEAKS WEALTH ADVISORS, LLC4$98<0.01%new13F-HRTimeline