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 |
|---|---|---|---|---|---|
| Marex Group plc | 19,451 | $478.1K | 0.00% | +19,451 | New |
| Blackstone Group Inc. | 19,351 | $475.6K | 0.00% | +19,351 | New |
| Pictet Asset Management Holding SA | 19,347 | $475.5K | 0.00% | +1,447+8.1% | Added |
| EP Wealth Advisors, LLC | 18,159 | $446.3K | 0.00% | +1,133+6.7% | Added |
| Andina Capital Management, LLC | 18,114 | $445.2K | 0.39% | +18,114 | New |
| Skopos Labs, Inc. | 17,996 | $442.3K | 0.01% | +1,453+8.8% | Added |
| Sterling Capital Management LLC | 17,778 | $437.0K | 0.01% | +12,435+232.7% | Added |
| Centiva Capital, LP | 17,728 | $435.8K | 0.02% | +6,575+59.0% | Added |
| Contravisory Investment Management, Inc. | 17,650 | $433.8K | 0.09% | −21−0.1% | Reduced |
| Colony Group, LLC | 17,055 | $419.2K | 0.00% | +2,278+15.4% | Added |
| Royal Bank of Canada | 16,725 | $411.0K | 0.00% | −34,080−67.1% | Reduced |
| Cynosure Management, LLC | 16,404 | $403.2K | 0.05% | +16,404 | New |
| Merit Financial Group, LLC | 16,284 | $400.3K | 0.00% | +2,821+21.0% | Added |
| Advisors Asset Management, Inc. | 15,619 | $383.9K | 0.01% | −42−0.3% | Reduced |
| Crescent Grove Advisors, LLC | 14,485 | $356.0K | 0.04% | +14,485 | New |
| Jump Financial, LLC | 14,460 | $355.4K | 0.01% | −151,206−91.3% | Reduced |
| FourThought Financial Partners, LLC | 14,417 | $354.4K | 0.03% | 00.0% | Unchanged |
| Brighton Jones LLC | 13,849 | $340.4K | 0.01% | +13,849 | New |
| Marshall Wace, LLP | 13,775 | $338.6K | 0.00% | −34,970−71.7% | Reduced |
| Xponance, Inc. | 13,476 | $331.2K | 0.00% | +2,605+24.0% | Added |
| Fiduciary Trust Co | 13,463 | $330.9K | 0.00% | 00.0% | Unchanged |
| Buckingham Strategic Partners | 13,309 | $327.1K | 0.00% | +1,908+16.7% | Added |
| Caitong International Asset Management Co., Ltd | 13,301 | $326.9K | 0.06% | +13,301 | New |
| First Trust Advisors LP | 12,881 | $316.6K | 0.00% | +12,881 | New |
| Harvest Fund Management Co., Ltd | 12,221 | $300.0K | 0.01% | +11,811+2,880.7% | Added |
| Mangrove Partners | 12,084 | $297.0K | 0.02% | 00.0% | Unchanged |
| CenterBook Partners LP | 12,000 | $295.0K | 0.02% | −43,927−78.5% | Reduced |
| PFG Investments, LLC | 11,425 | $280.8K | 0.01% | +11,425 | New |
| Ameritas Investment Partners, Inc. | 11,143 | $273.9K | 0.01% | 00.0% | Unchanged |
| Rossby Financial, LCC | 10,000 | $273.2K | 0.06% | 00.0% | Unchanged |
| Moran Wealth Management, LLC | 11,025 | $271.0K | 0.01% | +692+6.7% | Added |
| Krilogy Financial LLC | 9,054 | $268.5K | 0.01% | −199−2.2% | Reduced |
| Magnetar Financial LLC | 10,697 | $262.9K | 0.00% | +10,697 | New |
| Rathbone Brothers plc | 10,675 | $262.4K | 0.00% | 00.0% | Unchanged |
| Oxford Asset Management LLP | 10,606 | $260.7K | 0.11% | −3,618−25.4% | Reduced |
| Abacus Wealth Partners, LLC | 10,092 | $248.1K | 0.02% | +10,092 | New |
| Handelsbanken Fonder AB | 10,081 | $248.0K | 0.00% | +10,081 | New |
| Stifel Financial Corp | 9,894 | $243.2K | 0.00% | +9,894 | New |
| Two Sigma Securities, LLC | 9,728 | $239.1K | 0.03% | +9,728 | New |
| Integrated Wealth Concepts LLC | 9,707 | $238.6K | 0.00% | +9,707 | New |
| S.E.E.D. Planning Group LLC | 9,500 | $233.5K | 0.07% | +9,500 | New |
| JustInvest LLC | 9,064 | $222.8K | 0.00% | +9,064 | New |
| Amundi | 8,881 | $218.3K | 0.00% | +8,881 | New |
| Callan Family Office, LLC | 8,644 | $212.5K | 0.00% | −2,984−25.7% | Reduced |
| Abel Hall, LLC | 8,631 | $212.2K | 0.05% | +8,631 | New |
| Pallas Capital Advisors LLC | 8,548 | $210.1K | 0.01% | +8,548 | New |
| Collaborative Fund Advisors, LLC | 8,283 | $203.6K | 0.13% | +8,283 | New |
| Vise Technologies, Inc. | 10,737 | $202.4K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 7,344 | $180.5K | 0.00% | +7,344 | New |
| Advisor Group Holdings, Inc. | 6,174 | $151.7K | 0.00% | −49,276−88.9% | Reduced |
| Versant Capital Management, Inc | 5,138 | $126.3K | 0.01% | 00.0% | Unchanged |
| Signaturefd, LLC | 3,757 | $92.3K | 0.00% | +357+10.5% | Added |
| Allworth Financial LP | 3,705 | $91.1K | 0.00% | +1,631+78.6% | Added |
| Quadrant Capital Group LLC | 3,677 | $90.4K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 3,545 | $87.1K | 0.00% | +456+14.8% | Added |
| Essential Partners LLC | 3,489 | $85.8K | 0.03% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 3,452 | $84.8K | 0.00% | +301+9.6% | Added |
| IFP Advisors, Inc | 3,232 | $79.4K | 0.00% | +2,423+299.5% | Added |
| Geneos Wealth Management Inc. | 3,000 | $73.7K | 0.00% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 2,700 | $66.4K | 0.00% | −900−25.0% | Reduced |
| Rockefeller Capital Management L.P. | 2,586 | $63.6K | 0.00% | +2,067+398.3% | Added |
| MAI Capital Management | 2,535 | $62.3K | 0.00% | +2,383+1,567.8% | Added |
| USA Financial Portformulas Corp | 2,253 | $55.4K | 0.01% | +1,097+94.9% | Added |
| Covestor Ltd | 1,991 | $49.0K | 0.03% | +1,991 | New |
| Plato Investment Management Ltd | 1,781 | $43.8K | 0.00% | +1,781 | New |
| Nisa Investment Advisors, LLC | 1,777 | $43.7K | 0.00% | +4+0.2% | Added |
| Farther Finance Advisors, LLC | 1,529 | $41.8K | 0.00% | +41+2.8% | Added |
| Rothschild Investment LLC | 1,585 | $39.0K | 0.00% | +751+90.0% | Added |
| SRS Capital Advisors, Inc. | 1,283 | $32.7K | 0.00% | +1,283 | New |
| CI Private Wealth, LLC | 100,308 | $28.5K | 0.00% | +486+0.5% | Added |
| Matrix Trust Co | 1,152 | $28.0K | 0.00% | +25+2.2% | Added |
| Harbor Capital Advisors, Inc. | 1,036 | $25.0K | 0.00% | +168+19.4% | Added |
| True Wealth Design, LLC | 961 | $23.6K | 0.01% | 00.0% | Unchanged |
| Kemnay Advisory Services Inc. | 961 | $23.6K | 0.00% | +961 | New |
| Cullen/Frost Bankers, Inc. | 950 | $23.4K | 0.00% | +950 | New |
| Smartleaf Asset Management LLC | 923 | $21.3K | 0.00% | +99+12.0% | Added |
| US Bancorp | 830 | $20.4K | 0.00% | +99+13.5% | Added |
| Advisory Services Network, LLC | 816 | $20.1K | 0.00% | +816 | New |
| Eastern Bank | 740 | $18.2K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 665 | $16.3K | 0.00% | +54+8.8% | Added |
| Harbour Investments, Inc. | 599 | $14.7K | 0.00% | +599 | New |
| Barrow Hanley Mewhinney & Strauss LLC | 576 | $14.2K | 0.00% | −381−39.8% | Reduced |
| Accent Capital Management, LLC | 573 | $14.1K | 0.01% | +573 | New |
| WealthCollab, LLC | 560 | $13.8K | 0.01% | 00.0% | Unchanged |
| Pacifica Partners Inc. | 500 | $12.3K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 440 | $10.8K | 0.00% | −62−12.4% | Reduced |
| Root Financial Partners, LLC | 422 | $10.4K | 0.00% | +422 | New |
| GWM Advisors LLC | 300 | $7.37K | 0.00% | +300 | New |
| Ronald Blue Trust, Inc. | 250 | $6.14K | 0.00% | 00.0% | Unchanged |
| J.Safra Asset Management Corp | 217 | $5.33K | 0.00% | +81+59.6% | Added |
| Atlantic Union Bankshares Corp | 200 | $4.92K | 0.00% | 00.0% | Unchanged |
| Tompkins Financial Corp | 200 | $4.92K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 189 | $4.65K | 0.00% | +109+136.3% | Added |
| Jones Financial Companies LLLP | 178 | $4.16K | 0.00% | +178 | New |
| Intentional Wealth Strategies, LLC | 144 | $3.54K | 0.00% | +144 | New |
| SJS Investment Consulting Inc. | 139 | $3.42K | 0.00% | +60+75.9% | Added |
| Quarry LP | 109 | $2.68K | 0.00% | −1,762−94.2% | Reduced |
| Larson Financial Group LLC | 101 | $2.48K | 0.00% | +71+236.7% | Added |
| Basecamp Wealth Advisors LLC | 101 | $2.48K | 0.00% | +101 | New |
| NBC Securities, Inc. | 100 | $2.46K | 0.00% | +100 | New |