Constellium SE
CSTM- Exchange
- NYSE
- Industry
- Secondary Smelting & Refining of Nonferrous Metals
- SEC CIK
- 0001563411
In the last 90 days, Constellium SE insiders filed 1 open-market purchase and 0 sales; 389 institutions reported holding it in 13F filings for Q2 2026, worth $3.85B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Constellium SE as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 315
- +66 vs. Q4 2025
- Shares held
- 126.0M
- +5.79M (+4.8%) vs. Q4 2025
- Total value
- $3.08B
- +$815.3M (+36.0%) vs. Q4 2025
- New holders
- 88
- 113 more added
- Sold out
- 22
- 85 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CSTM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 389 | $3.85B |
| Q1 2026 | 315 | $3.08B |
| Q4 2025 | 253 | $2.34B |
| Q3 2025 | 237 | $1.91B |
| Q2 2025 | 224 | $1.76B |
| Q1 2025 | 220 | $1.33B |
| Q4 2024 | 219 | $1.39B |
| Q3 2024 | 222 | $2.21B |
| Q2 2024 | 224 | $2.58B |
| Q1 2024 | 207 | $3.04B |
| Q4 2023 | 193 | $2.67B |
| Q3 2023 | 191 | $2.46B |
| Q2 2023 | 187 | $2.34B |
| Q1 2023 | 183 | $2.04B |
| Q4 2022 | 185 | $1.57B |
| Q3 2022 | 179 | $1.35B |
| Q2 2022 | 189 | $1.76B |
| Q1 2022 | 183 | $2.36B |
| Q4 2021 | 161 | $2.27B |
| Q3 2021 | 162 | $2.39B |
| Q2 2021 | 153 | $2.46B |
| Q1 2021 | 135 | $1.80B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Constellium SE; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Huntington National Bank | 1 | $14 | 0.00% | 00.0% | Unchanged |
| Twin Peaks Wealth Advisors, LLC | 4 | $98 | 0.00% | +4 | New |
| Sofos Investments, Inc. | 13 | $320 | 0.00% | +12+1,200.0% | Added |
| Massmutual Trust Co FSB | 15 | $369 | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 18 | $443 | 0.00% | +18 | New |
| Frazier Financial Advisors, LLC | 19 | $468 | 0.00% | +19 | New |
| Cornerstone Planning Group LLC | 17 | $561 | 0.00% | −15−46.9% | Reduced |
| Northwestern Mutual Wealth Management Co | 27 | $664 | 0.00% | +27 | New |
| Sunbelt Securities, Inc. | 29 | $713 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 45 | $1.11K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 47 | $1.16K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 48 | $1.18K | 0.00% | +21+77.8% | Added |
| Golden State Wealth Management, LLC | 50 | $1.23K | 0.00% | +50 | New |
| Kilter Group LLC | 64 | $1.57K | 0.00% | −29−31.2% | Reduced |
| Wealth Preservation Advisors, LLC | 97 | $2.38K | 0.00% | +97 | New |
| NBC Securities, Inc. | 100 | $2.46K | 0.00% | +100 | New |
| Larson Financial Group LLC | 101 | $2.48K | 0.00% | +71+236.7% | Added |
| Basecamp Wealth Advisors LLC | 101 | $2.48K | 0.00% | +101 | New |
| Quarry LP | 109 | $2.68K | 0.00% | −1,762−94.2% | Reduced |
| SJS Investment Consulting Inc. | 139 | $3.42K | 0.00% | +60+75.9% | Added |
| Intentional Wealth Strategies, LLC | 144 | $3.54K | 0.00% | +144 | New |
| Jones Financial Companies LLLP | 178 | $4.16K | 0.00% | +178 | New |
| The PNC Financial Services Group, Inc. | 189 | $4.65K | 0.00% | +109+136.3% | Added |
| Atlantic Union Bankshares Corp | 200 | $4.92K | 0.00% | 00.0% | Unchanged |
| Tompkins Financial Corp | 200 | $4.92K | 0.00% | 00.0% | Unchanged |
| J.Safra Asset Management Corp | 217 | $5.33K | 0.00% | +81+59.6% | Added |
| Ronald Blue Trust, Inc. | 250 | $6.14K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 300 | $7.37K | 0.00% | +300 | New |
| Root Financial Partners, LLC | 422 | $10.4K | 0.00% | +422 | New |
| Optiver Holding B.V. | 440 | $10.8K | 0.00% | −62−12.4% | Reduced |
| Pacifica Partners Inc. | 500 | $12.3K | 0.00% | 00.0% | Unchanged |
| WealthCollab, LLC | 560 | $13.8K | 0.01% | 00.0% | Unchanged |
| Accent Capital Management, LLC | 573 | $14.1K | 0.01% | +573 | New |
| Barrow Hanley Mewhinney & Strauss LLC | 576 | $14.2K | 0.00% | −381−39.8% | Reduced |
| Harbour Investments, Inc. | 599 | $14.7K | 0.00% | +599 | New |
| Parallel Advisors, LLC | 665 | $16.3K | 0.00% | +54+8.8% | Added |
| Eastern Bank | 740 | $18.2K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 816 | $20.1K | 0.00% | +816 | New |
| US Bancorp | 830 | $20.4K | 0.00% | +99+13.5% | Added |
| Smartleaf Asset Management LLC | 923 | $21.3K | 0.00% | +99+12.0% | Added |
| Cullen/Frost Bankers, Inc. | 950 | $23.4K | 0.00% | +950 | New |
| Kemnay Advisory Services Inc. | 961 | $23.6K | 0.00% | +961 | New |
| True Wealth Design, LLC | 961 | $23.6K | 0.01% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 1,036 | $25.0K | 0.00% | +168+19.4% | Added |
| Matrix Trust Co | 1,152 | $28.0K | 0.00% | +25+2.2% | Added |
| CI Private Wealth, LLC | 100,308 | $28.5K | 0.00% | +486+0.5% | Added |
| SRS Capital Advisors, Inc. | 1,283 | $32.7K | 0.00% | +1,283 | New |
| Rothschild Investment LLC | 1,585 | $39.0K | 0.00% | +751+90.0% | Added |
| Farther Finance Advisors, LLC | 1,529 | $41.8K | 0.00% | +41+2.8% | Added |
| Nisa Investment Advisors, LLC | 1,777 | $43.7K | 0.00% | +4+0.2% | Added |
| Plato Investment Management Ltd | 1,781 | $43.8K | 0.00% | +1,781 | New |
| Covestor Ltd | 1,991 | $49.0K | 0.03% | +1,991 | New |
| USA Financial Portformulas Corp | 2,253 | $55.4K | 0.01% | +1,097+94.9% | Added |
| MAI Capital Management | 2,535 | $62.3K | 0.00% | +2,383+1,567.8% | Added |
| Rockefeller Capital Management L.P. | 2,586 | $63.6K | 0.00% | +2,067+398.3% | Added |
| Nomura Asset Management Co Ltd | 2,700 | $66.4K | 0.00% | −900−25.0% | Reduced |
| Geneos Wealth Management Inc. | 3,000 | $73.7K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 3,232 | $79.4K | 0.00% | +2,423+299.5% | Added |
| EverSource Wealth Advisors, LLC | 3,452 | $84.8K | 0.00% | +301+9.6% | Added |
| Essential Partners LLC | 3,489 | $85.8K | 0.03% | 00.0% | Unchanged |
| GAMMA Investing LLC | 3,545 | $87.1K | 0.00% | +456+14.8% | Added |
| Quadrant Capital Group LLC | 3,677 | $90.4K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 3,705 | $91.1K | 0.00% | +1,631+78.6% | Added |
| Signaturefd, LLC | 3,757 | $92.3K | 0.00% | +357+10.5% | Added |
| Versant Capital Management, Inc | 5,138 | $126.3K | 0.01% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 6,174 | $151.7K | 0.00% | −49,276−88.9% | Reduced |
| Vanguard Global Advisers, LLC | 7,344 | $180.5K | 0.00% | +7,344 | New |
| Vise Technologies, Inc. | 10,737 | $202.4K | 0.00% | 00.0% | Unchanged |
| Collaborative Fund Advisors, LLC | 8,283 | $203.6K | 0.13% | +8,283 | New |
| Pallas Capital Advisors LLC | 8,548 | $210.1K | 0.01% | +8,548 | New |
| Abel Hall, LLC | 8,631 | $212.2K | 0.05% | +8,631 | New |
| Callan Family Office, LLC | 8,644 | $212.5K | 0.00% | −2,984−25.7% | Reduced |
| Amundi | 8,881 | $218.3K | 0.00% | +8,881 | New |
| JustInvest LLC | 9,064 | $222.8K | 0.00% | +9,064 | New |
| S.E.E.D. Planning Group LLC | 9,500 | $233.5K | 0.07% | +9,500 | New |
| Integrated Wealth Concepts LLC | 9,707 | $238.6K | 0.00% | +9,707 | New |
| Two Sigma Securities, LLC | 9,728 | $239.1K | 0.03% | +9,728 | New |
| Stifel Financial Corp | 9,894 | $243.2K | 0.00% | +9,894 | New |
| Handelsbanken Fonder AB | 10,081 | $248.0K | 0.00% | +10,081 | New |
| Abacus Wealth Partners, LLC | 10,092 | $248.1K | 0.02% | +10,092 | New |
| Oxford Asset Management LLP | 10,606 | $260.7K | 0.11% | −3,618−25.4% | Reduced |
| Rathbone Brothers plc | 10,675 | $262.4K | 0.00% | 00.0% | Unchanged |
| Magnetar Financial LLC | 10,697 | $262.9K | 0.00% | +10,697 | New |
| Krilogy Financial LLC | 9,054 | $268.5K | 0.01% | −199−2.2% | Reduced |
| Moran Wealth Management, LLC | 11,025 | $271.0K | 0.01% | +692+6.7% | Added |
| Rossby Financial, LCC | 10,000 | $273.2K | 0.06% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 11,143 | $273.9K | 0.01% | 00.0% | Unchanged |
| PFG Investments, LLC | 11,425 | $280.8K | 0.01% | +11,425 | New |
| CenterBook Partners LP | 12,000 | $295.0K | 0.02% | −43,927−78.5% | Reduced |
| Mangrove Partners | 12,084 | $297.0K | 0.02% | 00.0% | Unchanged |
| Harvest Fund Management Co., Ltd | 12,221 | $300.0K | 0.01% | +11,811+2,880.7% | Added |
| First Trust Advisors LP | 12,881 | $316.6K | 0.00% | +12,881 | New |
| Caitong International Asset Management Co., Ltd | 13,301 | $326.9K | 0.06% | +13,301 | New |
| Buckingham Strategic Partners | 13,309 | $327.1K | 0.00% | +1,908+16.7% | Added |
| Fiduciary Trust Co | 13,463 | $330.9K | 0.00% | 00.0% | Unchanged |
| Xponance, Inc. | 13,476 | $331.2K | 0.00% | +2,605+24.0% | Added |
| Marshall Wace, LLP | 13,775 | $338.6K | 0.00% | −34,970−71.7% | Reduced |
| Brighton Jones LLC | 13,849 | $340.4K | 0.01% | +13,849 | New |
| FourThought Financial Partners, LLC | 14,417 | $354.4K | 0.03% | 00.0% | Unchanged |
| Jump Financial, LLC | 14,460 | $355.4K | 0.01% | −151,206−91.3% | Reduced |