Constellium SECSTM

13F holders, Q3 2025 (September 30)
234holders +13
36new positions
21sold out
6famous investors
$14.88avg. 13F price*

At the end of Q3 2025, 234 institutions reported holding Constellium SE (CSTM) in their 13F filings, up 13 from Q2 2025. 36 opened new positions and 21 sold out. The largest holders were BlackRock, Inc. ($208.6M), FMR LLC ($201.1M) and Bpifrance SA ($187.4M). 6 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 Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions36$17.7M
Exits21$27.2M

All 13F filers, Q2 2025 → Q3 2025: 13,184,076 shares bought and 17,128,179 shares sold, net −3,944,103 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 234 holders

BlackRock, Inc. 0.00% Add +1.2% 14,019,203 $208.6M
FMR LLC 0.01% Reduce -2.1% 13,518,071 $201.1M
Bpifrance SA 9.52% No change 12,593,903 $187.4M
Millennium Management 0.08% Add +35.4% 6,935,766 $103.2M
Nut Tree Capital Management, LP 20.98% Reduce -7.8% 5,213,900 $77.6M
T. Rowe Price Investment Management, Inc. 0.05% Reduce -64.2% 5,116,680 $76.1M
Encompass Capital Advisors LLC 2.86% Reduce -20.5% 4,264,275 $63.5M
Vanguard Group Inc. 0.00% Add +39.7% 3,299,064 $49.1M
Nuveen, LLC 0.01% Add +33.1% 2,850,121 $42.4M
State Street Corp. 0.00% Add +2.6% 2,567,563 $38.2M
Morgan Stanley 0.00% Add +56.9% 2,511,602 $37.4M
D. E. Shaw & Co. 0.03% Add +7.5% 2,450,623 $36.5M
JPMorgan Chase & Co. 0.00% Add +10.9% 2,407,597 $35.8M
Macquarie Group Ltd. 0.04% Reduce -7.7% 2,034,856 $30.3M
Janus Henderson Group PLC 0.01% Reduce -21.0% 1,810,432 $26.9M
Geode Capital Management, LLC 0.00% Reduce -1.3% 1,708,136 $25.4M
Soapstone Management L.P. 16.86% Reduce -6.0% 1,669,099 $24.8M
Cooper Creek Partners Management LLC 0.93% No change 1,666,521 $24.8M
Brightline Capital Management, LLC 9.91% Add +62.5% 1,625,000 $24.2M
Cannell & Spears LLC 0.44% Add +5.3% 1,557,835 $23.2M
AQR Capital Management 0.01% Add +233.6% 1,277,923 $19.0M
Beaconlight Capital, LLC 9.35% Add +37.1% 1,273,505 $18.9M
Capstone Investment Advisors, LLC 0.20% Reduce -10.7% 1,261,854 $18.8M
Goldman Sachs Group Inc. 0.00% Add +3.1% 1,207,407 $18.0M
American Century Companies Inc. 0.01% Add +57.6% 1,171,848 $17.4M
Kailix Advisors LLC 22.34% Reduce -10.5% 1,103,169 $16.4M
Northern Trust Corp. 0.00% Add +4.7% 1,072,835 $16.0M
Arrowstreet Capital, Limited Partnership 0.01% Reduce -0.2% 919,222 $13.7M
Bridgeway Capital Management, LLC 0.29% Add +3.6% 914,044 $13.6M
SG Americas Securities, LLC 0.05% Add +97.2% 889,288 $13.2M
Mountaineer Partners Management, LLC 7.22% Reduce -1.4% 833,776 $12.4M
Charles Schwab Investment Management Inc. 0.00% Add +1.8% 822,704 $12.2M
Engineers Gate Manager LP 0.13% Add +334.9% 769,384 $11.4M
Tudor Investment Corporation 0.07% Add +27.2% 751,055 $11.2M
Voloridge Investment Management, LLC 0.03% Reduce -22.1% 678,758 $10.1M
Whitebox Advisors LLC 0.64% Reduce -21.6% 661,260 $9.8M
Empowered Funds, LLC 0.10% Add +5.9% 645,991 $9.6M
Moore Capital Management, LP 0.19% Reduce -21.7% 642,742 $9.6M
UBS Group AG 0.00% Reduce -12.7% 634,220 $9.4M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +30.7% 629,286 $9.4M
Boston Partners 0.01% Add +119.5% 625,110 $9.3M
Panagora Asset Management Inc. 0.04% Add +39.9% 604,898 $9.0M
T. Rowe Price Associates Inc. 0.00% Add +1.5% 599,953 $8.9M
Algert Global LLC 0.15% Add +71.8% 595,676 $8.9M
SummitTX Capital, L.P. 0.35% Add +4.8% 560,909 $8.3M
Cubist Systematic Strategies, LLC 0.11% Reduce -29.7% 501,775 $7.5M
Bank of America Corp. 0.00% Add +22.9% 488,937 $7.3M
Trexquant Investment LP 0.07% Reduce -32.6% 486,332 $7.2M
Russell Investments Group, Ltd. 0.01% Reduce -8.2% 459,907 $6.8M
Hotchkis & Wiley Capital Management LLC 0.02% Add +18.0% 453,580 $6.7M
ArrowMark Colorado Holdings LLC 0.12% Reduce -21.9% 451,913 $6.7M
Voleon Capital Management LP 0.16% Add +370.6% 446,347 $6.6M
Man Group plc 0.01% Reduce -2.6% 387,373 $5.8M
Bank of New York Mellon Corp 0.00% Add +2.5% 384,128 $5.7M
Wellington Management Group LLP 0.00% Add +8.9% 357,549 $5.3M
Beacon Investment Advisors LLC 2.07% Add +0.4% 340,623 $5.1M
Hudson Bay Capital Management LP 0.03% Reduce -39.6% 307,487 $4.6M
Massachusetts Financial Services Co. 0.00% Add +32.0% 284,975 $4.2M
Barclays PLC 0.00% Reduce -15.7% 275,266 $4.1M
Jane Street Group, LLC 0.00% Add +2.8% 251,758 $3.7M
Swiss National Bank 0.00% Add +1.5% 249,400 $3.7M
Jump Financial, LLC 0.05% Add +61.0% 237,430 $3.5M
Bank of Montreal 0.00% Add +10.7% 231,915 $3.5M
Verition Fund Management LLC 0.02% Reduce -27.4% 226,340 $3.4M
Cohen & Steers, Inc. 0.01% Reduce -0.6% 224,743 $3.3M
Acadian Asset Management LLC 0.01% Add +930.9% 223,555 $3.3M
Franklin Resources Inc. 0.00% Add +13.2% 221,399 $3.3M
Ionic Capital Management LLC 4.07% No change 218,566 $3.3M
Rockingstone Advisors LLC 1.58% Add +0.6% 214,762 $3.2M
Rhumbline Advisers 0.00% Reduce -1.8% 210,467 $3.1M
Sequoia Financial Advisors, LLC 0.02% New 193,279 $2.9M
LSV Asset Management 0.01% No change 186,800 $2.8M
Eisler Capital Management Ltd. 0.06% Add +416.2% 181,256 $2.7M
Susquehanna International Group, LLP 0.00% Reduce -9.4% 179,534 $2.7M
Schonfeld Strategic Advisors LLC 0.02% Add +617.6% 176,821 $2.6M
Ieq Capital, LLC 0.01% Add +154.9% 174,587 $2.6M
BNP Paribas Financial Markets 0.00% Add +66.6% 172,177 $2.6M
Creative Planning 0.00% Add +25.8% 166,502 $2.5M
Healthcare of Ontario Pension Plan Trust Fund 0.00% New 164,300 $2.4M
Y-Intercept (Hong Kong) Ltd 0.06% Add +55.0% 163,261 $2.4M
GW&K Investment Management, LLC 0.02% New 160,030 $2.4M
Alliancebernstein L.P. 0.00% Add +1.0% 157,750 $2.3M
Lighthouse Investment Partners, LLC 0.08% Add +18.6% 156,878 $2.3M
Legal & General Group Plc 0.00% Add +18.4% 156,335 $2.3M
HRT Financial LP 0.01% Reduce -44.2% 152,996 $2.3M
Invesco Ltd. 0.00% Add +4.0% 141,712 $2.1M
State of Alaska, Department of Revenue 0.02% Add +4.2% 140,705 $2.1M
Citadel Advisors 0.00% Reduce -19.4% 140,587 $2.1M
Qube Research & Technologies Ltd 0.00% Reduce -35.2% 135,731 $2.0M
Knights of Columbus Asset Advisors LLC 0.11% New 132,303 $2.0M
Mackenzie Financial Corp. 0.00% Add +737.8% 132,130 $2.0M
Mitsubishi UFJ Trust & Banking Corp 0.00% Add +89.1% 121,720 $1.8M
California State Teachers Retirement System 0.00% Add +8.9% 121,649 $1.8M
Clearbridge Investments, LLC 0.00% Add +1.9% 120,585 $1.8M
Federated Hermes, Inc. 0.00% Add +0.3% 119,621 $1.8M
Deutsche Bank AG 0.00% Add +21.5% 118,417 $1.8M
Marshall Wace, LLP 0.00% Reduce -71.5% 116,010 $1.7M
State of Wisconsin Investment Board 0.00% Reduce -32.2% 115,020 $1.7M
Aberdeen Group plc 0.00% Reduce -28.7% 112,533 $1.7M
Wells Fargo & Company 0.00% Add +26.4% 110,449 $1.6M
Gsa Capital Partners LLP 0.14% Add +146.6% 110,230 $1.6M
Citigroup Inc. 0.00% Add +82.2% 106,528 $1.6M
Manufacturers Life Insurance Company, The 0.00% Reduce -21.4% 103,135 $1.5M
Sei Investments Co. 0.00% Reduce -5.2% 102,658 $1.5M
Connor, Clark & Lunn Investment Management Ltd. 0.00% Reduce -56.2% 101,105 $1.5M
Corient Private Wealth LP 0.00% Add +0.1% 99,705 $1.5M
HighTower Advisors, LLC 0.00% Add +7.0% 96,421 $1.4M
Raymond James Financial Inc. 0.00% Reduce -2.0% 95,002 $1.4M
Private Advisor Group, LLC 0.01% Reduce -20.4% 88,906 $1.3M
CenterBook Partners LP 0.07% Reduce -5.0% 88,854 $1.3M
Los Angeles Capital Management LLC 0.00% Add +262.2% 86,881 $1.3M
Ameriprise Financial Inc. 0.00% Reduce -15.4% 86,406 $1.3M
MetLife Investment Management, LLC 0.01% Reduce -3.8% 81,980 $1.2M
Martingale Asset Management L P 0.03% New 76,958 $1.1M
Cwm, LLC 0.00% Add +136.4% 73,313 $1.1M
New Century Financial Group, LLC 1.81% New 68,442 $1.0M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -13.5% 67,480 $1.0M
ExodusPoint Capital Management, LP 0.01% Add +30.9% 64,160 $955K
Lawson Kroeker Investment Management Inc. 0.17% Reduce -14.7% 63,020 $938K
Osaic Holdings, Inc. 0.00% Add +26645.6% 63,922 $926K
Envestnet Asset Management Inc. 0.00% Add +7.0% 61,097 $909K
Royal Bank of Canada 0.00% Reduce -6.8% 60,271 $896K
STRS Ohio 0.00% Reduce -3.3% 59,400 $884K
Cerity Partners LLC 0.00% Add +129.3% 58,493 $870K
Quantinno Capital Management LP 0.00% Add +28.9% 57,125 $850K
HSBC Holdings PLC 0.00% Reduce -38.9% 57,272 $846K
Intech Investment Management LLC 0.01% Reduce -19.3% 55,443 $825K
Renaissance Group LLC 0.03% Reduce -43.0% 51,856 $772K
Bailard, Inc. 0.02% Add +4.0% 49,100 $731K
Allspring Global Investments Holdings, LLC 0.00% Reduce -1.0% 47,846 $721K
New York State Common Retirement Fund 0.00% Add +18.1% 45,787 $681K
Occudo Quantitative Strategies LP 0.08% New 43,891 $653K
Walleye Capital LLC 0.01% Add +1940.6% 42,853 $638K
Wealth Enhancement Advisory Services, LLC 0.00% Add +81.4% 38,387 $590K
Police & Firemen's Retirement System of New Jersey 0.00% Add +27.5% 39,426 $587K
State of Wyoming 0.07% Add +5.7% 39,241 $584K
Arizona State Retirement System 0.00% Add +1.4% 38,062 $566K
O'shaughnessy Asset Management, LLC 0.00% Reduce -7.4% 37,699 $561K
Dynamic Technology Lab Private Ltd 0.09% Add +47.0% 36,407 $542K
Renaissance Technologies 0.00% Reduce -65.8% 36,300 $540K
State Board of Administration of Florida Retirement System 0.00% No change 36,160 $538K
Summit Global Investments 0.03% Reduce -5.8% 34,608 $515K
PharVision Advisers, LLC 0.28% Add +206.6% 33,893 $504K
Wolverine Trading, LLC 0.01% Reduce -74.0% 32,889 $494K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 33,021 $491K
Teacher Retirement System of Texas 0.00% Reduce -9.8% 32,667 $486K
Mariner, LLC 0.00% New 32,596 $485K
XTX Topco Ltd 0.02% New 30,783 $458K
&partners 0.00% Reduce -3.5% 30,575 $455K
Prelude Capital Management, LLC 0.03% Add +32.3% 29,737 $442K
Ethic Inc. 0.01% Reduce -12.9% 28,827 $429K
Allianz Asset Management GmbH 0.00% New 27,630 $411K
ProShare Advisors LLC 0.00% Reduce -15.1% 27,244 $405K
Advisors Asset Management, Inc. 0.01% Reduce -0.2% 26,784 $399K
KLP Kapitalforvaltning As 0.00% No change 26,600 $396K
Metis Global Partners, LLC 0.01% No change 26,504 $394K
Virtus Advisers, LLC 0.22% No change 26,000 $387K
Voya Investment Management LLC 0.00% Reduce -82.8% 25,806 $384K
Counterpoint Mutual Funds LLC 0.03% New 24,567 $366K
Polymer Capital Management (US) LLC 0.05% Reduce -22.4% 24,416 $363K
Mercer Global Advisors Inc. 0.00% New 24,010 $357K
OMERS ADMINISTRATION Corp 0.00% New 23,600 $351K
Aristides Capital LLC 0.08% New 18,719 $279K
Neo Ivy Capital Management 0.07% New 18,480 $275K
Contravisory Investment Management, Inc. 0.05% New 18,382 $274K
Arax Advisory Partners 0.00% New 18,078 $269K
Pictet Asset Management Holding SA 0.00% No change 17,900 $266K
Graham Capital Management, L.P. 0.01% New 17,482 $260K
Prudential Financial Inc. 0.00% Add +0.4% 16,425 $244K
CIBC Bancorp USA Inc. 0.00% — 15,176 $226K
Captrust Financial Advisors 0.00% New 14,381 $214K
FourThought Financial Partners, LLC 0.02% New 14,335 $213K
Belpointe Asset Management LLC 0.01% No change 11,920 $177K
Ameritas Investment Partners, Inc. 0.01% Reduce -18.2% 11,894 $177K
Xponance LLC 0.00% Add +1.1% 11,220 $167K
Bayesian Capital Management, LP 0.03% New 11,100 $165K
Tower Research Capital LLC (TRC) 0.00% Reduce -55.4% 10,972 $163K
Focus Partners Wealth 0.00% New 10,274 $161K
Jain Global LLC 0.00% New 10,819 $161K
Numerai GP LLC 0.02% New 10,362 $154K
Principal Financial Group Inc. 0.00% New 10,317 $154K
EMC Capital Management 0.07% No change 10,152 $151K
Public Employees Retirement System of Ohio 0.00% Add +7.2% 6,584 $98K
Sterling Capital Management LLC 0.00% Add +148.7% 6,349 $94K
IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVATE Ltd 0.11% New 5,700 $85K
Quarry LP 0.02% Add +53.7% 5,610 $83K
Versant Capital Management, Inc 0.01% No change 5,138 $76K
Amalgamated Bank 0.00% No change 4,542 $68K
KBC Group NV 0.00% No change 4,238 $63K
Quadrant Capital Group LLC 0.00% New 3,677 $55K
Nomura Asset Management Co. Ltd. 0.00% Add +71.4% 3,600 $54K
Signaturefd, LLC 0.00% Add +1.7% 3,455 $51K
Geneos Wealth Management Inc. 0.00% No change 3,000 $45K
GAMMA Investing LLC 0.00% Add +11.6% 2,382 $35K
EverSource Wealth Advisors, LLC 0.00% Add +578.6% 2,348 $35K
Essential Partners LLC 0.01% Add +143.4% 2,290 $34K
Nisa Investment Advisors, LLC 0.00% No change 2,110 $31K
Group One Trading LLC 0.00% Reduce -97.3% 1,973 $29K
Allworth Financial LP 0.00% Add +851.0% 1,360 $20K
Barrow Hanley Mewhinney & Strauss LLC 0.00% Reduce -3.4% 1,042 $16K
Clearstead Advisors, LLC 0.00% Add +90.3% 1,024 $15K
Harbor Capital Advisors, Inc. 0.00% Reduce -47.8% 883 $13K
Optiver Holding B.V. 0.00% New 826 $12K
True Wealth Design, LLC 0.00% Add +59.3% 798 $12K
US Bancorp \de 0.00% Add +3.8% 759 $11K
Point72 (DIFC) Ltd 0.00% New 648 $10K
Parallel Advisors, LLC 0.00% Add +5.5% 577 $9K
WealthCollab, LLC 0.00% No change 560 $8K
Groupe la Francaise 0.00% New 545 $8K
Pacifica Partners Inc. 0.00% No change 500 $8K
Rothschild Investment LLC 0.00% Add +101.6% 494 $7K
Harvest Fund Management Co., Ltd 0.00% Add +283.2% 410 $6K
Smartleaf Asset Management LLC 0.00% Add +61.5% 336 $5K
CIBC Private Wealth Group LLC 0.00% No change 250 $4K
Tompkins Financial Corp. 0.00% No change 200 $3K
Atlantic Union Bankshares Corp 0.00% No change 200 $3K
J.Safra Asset Management Corp 0.00% New 136 $2K
Spire Wealth Management 0.00% New 118 $2K
IFP Advisors, Inc 0.00% Add +68.8% 108 $2K
Principal Securities, Inc. 0.00% No change 85 $1K
PNC Financial Services Group, Inc. 0.00% Add +1.2% 83 $1K
MAI Capital Management 0.00% Reduce -69.5% 79 $1K
Rockefeller Capital Management L.P. 0.00% New 51 $759
Assetmark, Inc. 0.00% No change 47 $699
Parkside Financial Bank & Trust 0.00% No change 45 $670
Cornerstone Planning Group LLC 0.00% Add +39.1% 32 $518
Larson Financial Group LLC 0.00% No change 30 $446
Sunbelt Securities, Inc. 0.00% New 29 $432
SWAN Capital LLC 0.00% New 25 $372
Farther Finance Advisors, LLC 0.00% Add +2000.0% 21 $312
Kilter Group LLC 0.00% No change 18 $268
MassMutual Private Wealth & Trust, FSB 0.00% No change 15 $223
Advisory Services Network, LLC 0.00% New 9 $134
Financial Gravity Asset Management, Inc. 0.00% — 1 $15

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