Constellium SECSTM

13F holders, Q4 2025 (December 31)
251holders +17
39new positions
19sold out
7famous investors
$18.85avg. 13F price*

At the end of Q4 2025, 251 institutions reported holding Constellium SE (CSTM) in their 13F filings, up 17 from Q3 2025. 39 opened new positions and 19 sold out. The largest holders were BlackRock, Inc. ($258.8M), Bpifrance SA ($237.4M) and FMR LLC ($199.2M). 7 famous investors held it, including Israel Englander (0.1% of Millennium Management's portfolio), Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).

Company
Constellium SE
CUSIP
F21107101
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400 Q1 2024: 205Q1 2024Q2 2024: 222Q2 2024Q3 2024: 220Q3 2024Q4 2024: 218Q4 2024Q1 2025: 220Q1 2025Q2 2025: 221Q2 2025Q3 2025: 234Q3 2025Q4 2025: 251Q4 2025Q1 2026: 313Q1 2026Q2 2026: 387Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions39$61.0M
Exits19$41.3M

All 13F filers, Q3 2025 → Q4 2025: 11,349,825 shares bought and 17,153,477 shares sold, net −5,803,652 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 251 holders

BlackRock, Inc. 0.00% Reduce -2.1% 13,730,294 $258.8M
Bpifrance SA 10.03% No change 12,593,903 $237.4M
FMR LLC 0.01% Reduce -21.8% 10,569,283 $199.2M
Millennium Management 0.09% Reduce -9.6% 6,269,869 $118.2M
Encompass Capital Advisors LLC 4.20% Add +9.2% 4,657,915 $87.8M
T. Rowe Price Investment Management, Inc. 0.05% Reduce -15.3% 4,334,727 $81.7M
Vanguard Group Inc. 0.00% Add +22.9% 4,054,982 $76.4M
Morgan Stanley 0.00% Add +48.4% 3,728,118 $70.3M
Nut Tree Capital Management, LP 13.74% Reduce -38.1% 3,225,000 $60.8M
D. E. Shaw & Co. 0.05% Add +24.7% 3,055,291 $57.6M
Nuveen, LLC 0.01% Reduce -0.3% 2,840,961 $53.6M
State Street Corp. 0.00% Add +3.6% 2,660,518 $50.2M
JPMorgan Chase & Co. 0.00% Reduce -13.2% 2,089,412 $39.4M
Nomura Asset Management International Inc. 0.06% — 1,944,239 $36.6M
Brightline Capital Management, LLC 14.04% Add +13.3% 1,842,000 $34.7M
American Century Companies Inc. 0.02% Add +54.6% 1,811,344 $34.1M
AQR Capital Management 0.02% Add +38.2% 1,766,503 $33.3M
Geode Capital Management, LLC 0.00% Reduce -4.5% 1,631,574 $30.8M
Goldman Sachs Group Inc. 0.00% Add +13.3% 1,367,485 $25.8M
Soapstone Management L.P. 18.75% Reduce -19.1% 1,350,000 $25.4M
Beaconlight Capital, LLC 14.75% Add +5.2% 1,339,934 $25.3M
Capstone Investment Advisors, LLC 0.23% Reduce -5.3% 1,194,936 $22.5M
Engineers Gate Manager LP 0.23% Add +36.4% 1,049,218 $19.8M
Cooper Creek Partners Management LLC 0.89% Reduce -40.0% 999,209 $18.8M
Kailix Advisors LLC 20.55% Reduce -11.3% 978,057 $18.4M
SG Americas Securities, LLC 0.02% Add +9.6% 974,735 $18.4M
Cannell & Spears LLC 0.34% Reduce -37.9% 967,047 $18.2M
Northern Trust Corp. 0.00% Reduce -12.2% 941,854 $17.8M
Bridgeway Capital Management, LLC 0.37% Add +2.8% 939,231 $17.7M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +38.2% 869,612 $16.4M
Moore Capital Management, LP 0.34% Add +33.5% 857,954 $16.2M
Charles Schwab Investment Management Inc. 0.00% Reduce -1.7% 808,857 $15.2M
SummitTX Capital, L.P. 0.39% Add +22.8% 688,573 $13.0M
Mountaineer Partners Management, LLC 7.19% Reduce -18.3% 681,464 $12.8M
Empowered Funds, LLC 0.21% Add +3.9% 671,222 $12.7M
Panagora Asset Management Inc. 0.04% Add +2.7% 621,183 $11.7M
ArrowMark Colorado Holdings LLC 0.25% Add +33.5% 603,379 $11.4M
UBS Group AG 0.00% Reduce -12.5% 554,900 $10.5M
BW Gestao de Investimentos Ltda. 0.36% New 546,270 $10.3M
Boston Partners 0.01% Reduce -13.3% 542,004 $10.2M
Voloridge Investment Management, LLC 0.03% Reduce -24.2% 514,609 $9.7M
Whitebox Advisors LLC 0.59% Reduce -24.4% 499,660 $9.4M
Tudor Investment Corporation 0.05% Reduce -33.9% 496,715 $9.4M
Wellington Management Group LLP 0.00% Add +31.7% 470,813 $8.9M
Algert Global LLC 0.13% Reduce -23.5% 455,858 $8.6M
Hotchkis & Wiley Capital Management LLC 0.03% Reduce -1.2% 448,180 $8.4M
Arrowstreet Capital, Limited Partnership 0.00% Reduce -51.3% 447,767 $8.4M
Danske Bank A/S 0.02% New 437,099 $8.2M
Russell Investments Group, Ltd. 0.01% Reduce -6.7% 429,327 $8.1M
Bank of America Corp. 0.00% Reduce -13.0% 425,351 $8.0M
Bank of New York Mellon Corp 0.00% Add +4.8% 402,511 $7.6M
Hudson Bay Capital Management LP 0.05% Add +30.7% 401,989 $7.6M
Trexquant Investment LP 0.07% Reduce -20.5% 386,700 $7.3M
Y-Intercept (Hong Kong) Ltd 0.16% Add +135.1% 383,843 $7.2M
Penn Capital Management Company, LLC 0.55% New 365,194 $6.9M
Acadian Asset Management LLC 0.01% Add +61.8% 361,626 $6.8M
Beacon Investment Advisors LLC 2.48% Reduce -3.7% 327,918 $6.2M
Point72 Asset Management 0.01% New 318,089 $6.0M
HRT Financial LP 0.02% Add +107.0% 316,667 $6.0M
Jane Street Group, LLC 0.01% Add +24.6% 313,732 $5.9M
Massachusetts Financial Services Co. 0.00% Add +9.3% 311,531 $5.9M
Adage Capital Partners Gp, L.L.C. 0.01% New 300,000 $5.7M
Federated Hermes, Inc. 0.01% Add +148.3% 297,021 $5.6M
Voleon Capital Management LP 0.12% Reduce -35.8% 286,583 $5.4M
New York State Common Retirement Fund 0.01% Add +525.3% 286,284 $5.4M
Barclays PLC 0.00% Add +3.5% 285,046 $5.4M
GW&K Investment Management, LLC 0.04% Add +66.9% 267,131 $5.0M
Thornburg Investment Management Inc. 0.06% New 251,735 $4.7M
LSV Asset Management 0.01% Add +33.2% 248,800 $4.7M
Swiss National Bank 0.00% Reduce -0.7% 247,600 $4.7M
Ieq Capital, LLC 0.01% Add +37.0% 239,123 $4.5M
Bank of Montreal 0.00% Add +2.7% 238,258 $4.5M
Balyasny Asset Management L.P. 0.01% New 219,374 $4.1M
Rockingstone Advisors LLC 1.88% Add +2.1% 219,227 $4.1M
Ionic Capital Management LLC 4.79% No change 218,566 $4.1M
Franklin Resources Inc. 0.00% Reduce -3.7% 213,212 $4.0M
Healthcare of Ontario Pension Plan Trust Fund 0.01% Add +25.9% 206,782 $3.9M
Squarepoint Ops LLC 0.01% New 206,281 $3.9M
Edgestream Partners, L.P. 0.11% New 205,922 $3.9M
Creative Planning 0.00% Add +16.4% 193,725 $3.7M
Sequoia Financial Advisors, LLC 0.02% Add +0.1% 193,482 $3.6M
Occudo Quantitative Strategies LP 0.22% Add +304.8% 177,650 $3.3M
Allianz Asset Management GmbH 0.00% Add +536.8% 175,947 $3.3M
Rhumbline Advisers 0.00% Reduce -16.5% 175,808 $3.3M
Schonfeld Strategic Advisors LLC 0.02% Reduce -3.9% 169,926 $3.2M
Jump Financial, LLC 0.04% Reduce -30.2% 165,666 $3.1M
Verition Fund Management LLC 0.02% Reduce -27.1% 165,125 $3.1M
Invesco Ltd. 0.00% Add +16.2% 164,654 $3.1M
Wells Fargo & Company 0.00% Add +46.5% 161,822 $3.1M
Deutsche Bank AG 0.00% Add +35.8% 160,798 $3.0M
ExodusPoint Capital Management, LP 0.03% Add +137.2% 152,197 $2.9M
Legal & General Group Plc 0.00% Reduce -9.1% 142,187 $2.7M
State of Alaska, Department of Revenue 0.03% No change 140,705 $2.7M
Lighthouse Investment Partners, LLC 0.09% Reduce -11.2% 139,240 $2.6M
Alliancebernstein L.P. 0.00% Reduce -12.2% 138,450 $2.6M
Mackenzie Financial Corp. 0.00% Add +0.4% 132,642 $2.5M
Knights of Columbus Asset Advisors LLC 0.14% Reduce -3.0% 128,350 $2.4M
Citadel Advisors 0.00% Reduce -9.3% 127,490 $2.4M
Clearbridge Investments, LLC 0.00% Add +1.3% 122,138 $2.3M
California State Teachers Retirement System 0.00% Reduce -3.4% 117,541 $2.2M
Man Group plc 0.00% Reduce -69.9% 116,669 $2.2M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Add +5.8% 106,952 $2.0M
Corient Private Wealth LP 0.00% Add +0.1% 99,822 $1.9M
State of Wisconsin Investment Board 0.00% Reduce -15.4% 97,245 $1.8M
BNP Paribas Financial Markets 0.00% Reduce -44.4% 95,679 $1.8M
Raymond James Financial Inc. 0.00% Add +0.4% 95,418 $1.8M
HighTower Advisors, LLC 0.00% Reduce -3.0% 93,574 $1.8M
Mitsubishi UFJ Trust & Banking Corp 0.00% Reduce -23.1% 93,541 $1.8M
Sei Investments Co. 0.00% Reduce -12.9% 89,434 $1.7M
Ameriprise Financial Inc. 0.00% Add +1.3% 87,558 $1.7M
Manufacturers Life Insurance Company, The 0.00% Reduce -16.3% 86,334 $1.6M
Cwm, LLC 0.00% Add +17.2% 85,897 $1.6M
Cerity Partners LLC 0.00% Add +43.3% 83,803 $1.6M
Private Advisor Group, LLC 0.01% Reduce -6.0% 83,588 $1.6M
Martingale Asset Management L P 0.04% Add +5.7% 81,373 $1.5M
T. Rowe Price Associates Inc. 0.00% Reduce -86.9% 78,838 $1.5M
MetLife Investment Management, LLC 0.01% Reduce -7.5% 75,873 $1.4M
Quantinno Capital Management LP 0.00% Add +30.4% 74,466 $1.4M
Convergence Investment Partners, LLC 0.28% New 73,600 $1.4M
HSBC Holdings PLC 0.00% Add +28.2% 73,436 $1.4M
Mariner, LLC 0.00% Add +111.0% 68,794 $1.3M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -2.6% 65,724 $1.2M
Citigroup Inc. 0.00% Reduce -43.0% 60,693 $1.1M
Two Sigma Advisers, LP 0.00% New 59,500 $1.1M
Susquehanna International Group, LLP 0.00% Reduce -67.5% 58,359 $1.1M
Renaissance Group LLC 0.04% Add +12.3% 58,221 $1.1M
CenterBook Partners LP 0.05% Reduce -37.1% 55,927 $1.1M
Osaic Holdings, Inc. 0.00% Reduce -13.3% 55,450 $1.0M
Intech Investment Management LLC 0.01% No change 55,443 $1.0M
Allspring Global Investments Holdings, LLC 0.00% Add +9.7% 52,482 $1.0M
Lawson Kroeker Investment Management Inc. 0.30% Reduce -14.3% 54,020 $1.0M
Wealth Enhancement Advisory Services, LLC 0.00% Add +33.1% 51,113 $1.0M
STRS Ohio 0.00% Reduce -11.9% 52,300 $986K
Royal Bank of Canada 0.00% Reduce -15.7% 50,805 $957K
Janus Henderson Group PLC 0.00% Reduce -97.2% 50,154 $946K
Marshall Wace, LLP 0.00% Reduce -58.0% 48,745 $919K
Los Angeles Capital Management LLC 0.00% Reduce -38.1% 53,814 $871K
Bailard, Inc. 0.02% Reduce -6.1% 46,100 $869K
Numerai GP LLC 0.09% Add +297.9% 41,228 $777K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +19.4% 39,445 $744K
Prelude Capital Management, LLC 0.05% Add +31.8% 39,206 $739K
Police & Firemen's Retirement System of New Jersey 0.01% Reduce -6.9% 36,701 $692K
State Board of Administration of Florida Retirement System 0.00% No change 36,160 $682K
XTX Topco Ltd 0.02% Add +14.6% 35,285 $665K
Mercer Global Advisors Inc. 0.00% Add +46.9% 35,277 $665K
Arizona State Retirement System 0.00% Reduce -8.0% 35,035 $660K
State of Wyoming 0.07% Reduce -13.5% 33,927 $640K
Summit Global Investments 0.04% Reduce -3.9% 33,245 $627K
&partners 0.00% Reduce -0.7% 30,359 $572K
Ethic Inc. 0.01% Add +1.6% 29,283 $552K
ProShare Advisors LLC 0.00% Add +5.7% 28,808 $543K
Graham Capital Management, L.P. 0.03% Add +62.7% 28,448 $536K
O'shaughnessy Asset Management, LLC 0.00% Reduce -25.9% 27,930 $526K
KLP Kapitalforvaltning As 0.00% No change 26,600 $501K
Metis Global Partners, LLC 0.01% No change 26,504 $500K
Virtus Advisers, LLC 0.24% No change 26,000 $490K
Voya Investment Management LLC 0.00% Reduce -4.2% 24,735 $466K
PharVision Advisers, LLC 0.23% Reduce -27.8% 24,466 $461K
Gsa Capital Partners LLP 0.04% Reduce -77.9% 24,403 $460K
Mirabella Financial Services LLP 0.04% New 20,790 $392K
Highland Capital Management, LLC 0.02% New 19,482 $367K
Cambridge Investment Research Advisors, Inc. 0.00% New 18,820 $355K
Dynamic Technology Lab Private Ltd 0.08% Reduce -48.4% 18,797 $354K
Jain Global LLC 0.00% Add +67.2% 18,089 $341K
Captrust Financial Advisors 0.00% Add +24.7% 17,935 $338K
Pictet Asset Management Holding SA 0.00% No change 17,900 $337K
Contravisory Investment Management, Inc. 0.07% Reduce -3.9% 17,671 $333K
EP Wealth Advisors, LLC 0.00% — 17,026 $321K
Brooklyn Investment Group 0.01% New 16,543 $313K
Advisors Asset Management, Inc. 0.01% Reduce -41.5% 15,661 $295K
Aristides Capital LLC 0.10% Reduce -16.4% 15,659 $295K
nVerses Capital, LLC 0.65% — 15,298 $288K
Polymer Capital Management (US) LLC 0.04% Reduce -37.8% 15,200 $287K
Focus Partners Wealth 0.00% Add +43.8% 14,777 $279K
FourThought Financial Partners, LLC 0.02% Add +0.6% 14,417 $272K
Teacher Retirement System of Texas 0.00% Reduce -55.9% 14,409 $272K
Oxford Asset Management LLP 0.10% New 14,224 $268K
Fiduciary Trust Co 0.00% New 13,463 $254K
Merit Financial Group, LLC 0.00% New 13,463 $254K
Mangrove Partners Im, LLC 0.02% New 12,084 $228K
Belpointe Asset Management LLC 0.01% No change 11,920 $225K
Callan Family Office, LLC 0.00% New 11,628 $219K
Focus Partners Advisor Solutions, LLC 0.00% New 11,401 $215K
Centiva Capital, LP 0.01% New 11,153 $210K
Ameritas Investment Partners, Inc. 0.01% Reduce -6.3% 11,143 $210K
Krilogy Financial LLC 0.01% New 9,253 $209K
Xponance LLC 0.00% Reduce -3.1% 10,871 $205K
Vise Technologies, Inc. 0.00% New 10,737 $202K
Rathbones Group PLC 0.00% New 10,675 $201K
Moran Wealth Management, LLC 0.01% New 10,333 $195K
LPL Financial LLC 0.00% New 10,219 $193K
Fisher Asset Management 0.00% New 10,173 $192K
Rossby Financial, LCC 0.06% New 10,000 $189K
Baader Bank Aktiengesellschaft 0.02% New 10,000 $189K
EMC Capital Management 0.07% Reduce -15.0% 8,629 $163K
Tower Research Capital LLC (TRC) 0.00% Reduce -27.6% 7,938 $150K
Group One Trading LLC 0.00% Add +284.2% 7,581 $143K
Public Employees Retirement System of Ohio 0.00% Reduce -5.0% 6,254 $118K
Sterling Capital Management LLC 0.00% Reduce -15.8% 5,343 $101K
Versant Capital Management, Inc 0.01% No change 5,138 $97K
Amalgamated Bank 0.00% Reduce -5.0% 4,313 $81K
KBC Group NV 0.00% No change 4,238 $80K
Quadrant Capital Group LLC 0.00% No change 3,677 $69K
Nomura Asset Management Co. Ltd. 0.00% No change 3,600 $68K
Essential Partners LLC 0.02% Add +52.4% 3,489 $66K
Signaturefd, LLC 0.00% Reduce -1.6% 3,400 $64K
EverSource Wealth Advisors, LLC 0.00% Add +34.2% 3,151 $59K
GAMMA Investing LLC 0.00% Add +29.7% 3,089 $58K
Geneos Wealth Management Inc. 0.00% No change 3,000 $57K
Allworth Financial LP 0.00% Add +52.5% 2,074 $39K
Quarry LP 0.01% Reduce -66.7% 1,871 $35K
Nisa Investment Advisors, LLC 0.00% Reduce -16.0% 1,773 $33K
Farther Finance Advisors, LLC 0.00% Add +6985.7% 1,488 $28K
USA Financial Formulas 0.00% New 1,156 $22K
Matrix Trust Co 0.00% New 1,127 $21K
Aster Capital Management (DIFC) Ltd 0.01% New 1,032 $19K
TD Waterhouse Canada Inc. 0.00% New 1,000 $19K
True Wealth Design, LLC 0.01% Add +20.4% 961 $18K
Barrow Hanley Mewhinney & Strauss LLC 0.00% Reduce -8.2% 957 $18K
Harbor Capital Advisors, Inc. 0.00% Reduce -1.7% 868 $16K
Rothschild Investment LLC 0.00% Add +68.8% 834 $16K
Smartleaf Asset Management LLC 0.00% Add +145.2% 824 $16K
IFP Advisors, Inc 0.00% Add +649.1% 809 $15K
Eastern Bank 0.00% New 740 $14K
US Bancorp \de 0.00% Reduce -3.7% 731 $14K
Parallel Advisors, LLC 0.00% Add +5.9% 611 $12K
WealthCollab, LLC 0.00% No change 560 $11K
Pacifica Partners Inc. 0.00% No change 500 $10K
Rockefeller Capital Management L.P. 0.00% Add +917.6% 519 $10K
Optiver Holding B.V. 0.00% Reduce -39.2% 502 $9K
Harvest Fund Management Co., Ltd 0.00% No change 410 $8K
Blue Trust, Inc. 0.00% New 250 $5K
CIBC Private Wealth Group LLC 0.00% No change 250 $5K
Tompkins Financial Corp. 0.00% No change 200 $4K
Atlantic Union Bankshares Corp 0.00% No change 200 $4K
MAI Capital Management 0.00% Add +92.4% 152 $3K
J.Safra Asset Management Corp 0.00% No change 136 $3K
Kilter Group LLC 0.00% Add +416.7% 93 $2K
PNC Financial Services Group, Inc. 0.00% Reduce -3.6% 80 $2K
SJS Investment Consulting Inc. 0.00% New 79 $1K
Clearstead Advisors, LLC 0.00% Reduce -94.1% 60 $1K
Assetmark, Inc. 0.00% No change 47 $886
Parkside Financial Bank & Trust 0.00% No change 45 $849
Cornerstone Planning Group LLC 0.00% No change 32 $738
Global Retirement Partners, LLC 0.00% New 36 $679
Larson Financial Group LLC 0.00% No change 30 $566
Sunbelt Securities, Inc. 0.00% No change 29 $547
Bell Investment Advisors, Inc 0.00% New 27 $509
SWAN Capital LLC 0.00% No change 25 $471
MassMutual Private Wealth & Trust, FSB 0.00% No change 15 $283
Financial Gravity Asset Management, Inc. 0.00% No change 1 $19

"% of holder's portfolio" is CSTM's weight in each manager's 13F, not the share of Constellium SE the manager owns.