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
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 39 | $61.0M |
| Exits | 19 | $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 |
"% of holder's portfolio" is CSTM's weight in each manager's 13F, not the share of Constellium SE the manager owns.