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
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 36 | $17.7M |
| Exits | 21 | $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 |
"% of holder's portfolio" is CSTM's weight in each manager's 13F, not the share of Constellium SE the manager owns.