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, Q3 2025
Institutional positions in Constellium SE as of Sep 30, 2025. 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
- 237
- +16 vs. Q2 2025
- Shares held
- 128.5M
- −3.83M (−2.9%) vs. Q2 2025
- Total value
- $1.91B
- +$152.0M (+8.6%) vs. Q2 2025
- New holders
- 38
- 104 more added
- Sold out
- 22
- 66 more reduced
3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Constellium SE; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Whitebox Advisors LLC | 661,260 | $9.84M | 0.18% | −181,729−21.6% | Reduced |
| Voloridge Investment Management, LLC | 678,758 | $10.1M | 0.03% | −193,022−22.1% | Reduced |
| Tudor Investment Corp Et Al | 751,055 | $11.2M | 0.07% | +160,596+27.2% | Added |
| Engineers Gate Manager LP | 769,384 | $11.4M | 0.13% | +592,480+334.9% | Added |
| Charles Schwab Investment Management Inc | 822,704 | $12.2M | 0.00% | +14,150+1.8% | Added |
| Mountaineer Partners Management, LLC | 833,776 | $12.4M | 7.22% | −11,906−1.4% | Reduced |
| SG Americas Securities, LLC | 889,288 | $13.2M | 0.05% | +438,412+97.2% | Added |
| Bridgeway Capital Management, LLC | 914,044 | $13.6M | 0.29% | +31,503+3.6% | Added |
| Arrowstreet Capital, Limited Partnership | 919,222 | $13.7M | 0.01% | −1,743−0.2% | Reduced |
| Northern Trust Corp | 1,072,835 | $16.0M | 0.00% | +48,275+4.7% | Added |
| Kailix Advisors LLC | 1,103,169 | $16.4M | 22.34% | −129,150−10.5% | Reduced |
| American Century Companies Inc | 1,171,848 | $17.4M | 0.01% | +428,247+57.6% | Added |
| Goldman Sachs Group Inc | 1,207,407 | $18.0M | 0.00% | +36,886+3.2% | Added |
| Capstone Investment Advisors, LLC | 1,261,854 | $18.8M | 0.16% | −151,701−10.7% | Reduced |
| Beaconlight Capital, LLC | 1,273,505 | $18.9M | 9.35% | +344,970+37.2% | Added |
| AQR Capital Management LLC | 1,277,923 | $19.0M | 0.01% | +894,839+233.6% | Added |
| Scopus Asset Management, L.P. | 1,306,708 | $19.4M | 0.46% | +250,000+23.7% | Added |
| Spears Abacus Advisors LLC | 1,557,835 | $23.2M | 0.44% | +77,703+5.2% | Added |
| Brightline Capital Management, LLC | 1,625,000 | $24.2M | 9.91% | +625,000+62.5% | Added |
| Cooper Creek Partners Management LLC | 1,666,521 | $24.8M | 0.93% | 00.0% | Unchanged |
| Soapstone Management L.P. | 1,669,099 | $24.8M | 16.86% | −107,460−6.0% | Reduced |
| Geode Capital Management, LLC | 1,708,136 | $25.4M | 0.00% | −21,976−1.3% | Reduced |
| Janus Henderson Group PLC | 1,810,432 | $26.9M | 0.01% | −480,795−21.0% | Reduced |
| Macquarie Group Ltd | 2,034,856 | $30.3M | 0.04% | −169,091−7.7% | Reduced |
| JPMorgan Chase & Co | 2,407,597 | $35.8M | 0.00% | +236,264+10.9% | Added |
| D. E. Shaw & Co., Inc. | 2,450,623 | $36.5M | 0.03% | +171,961+7.5% | Added |
| Morgan Stanley | 2,511,602 | $37.4M | 0.00% | +910,385+56.9% | Added |
| State Street Corp | 2,567,563 | $38.2M | 0.00% | +64,901+2.6% | Added |
| Nuveen, LLC | 2,850,121 | $42.4M | 0.01% | +709,286+33.1% | Added |
| Vanguard Group Inc | 3,299,064 | $49.1M | 0.00% | +938,155+39.7% | Added |
| Encompass Capital Advisors LLC | 4,264,275 | $63.5M | 2.86% | −1,098,485−20.5% | Reduced |
| T. Rowe Price Investment Management, Inc. | 5,116,680 | $76.1M | 0.05% | −9,193,041−64.2% | Reduced |
| Nut Tree Capital Management, LP | 5,213,900 | $77.6M | 17.90% | −442,000−7.8% | Reduced |
| Millennium Management LLC | 6,935,766 | $103.2M | 0.08% | +1,813,400+35.4% | Added |
| Bpifrance SA | 12,593,903 | $187.4M | 9.52% | 00.0% | Unchanged |
| FMR LLC | 13,518,071 | $201.1M | 0.01% | −295,085−2.1% | Reduced |
| BlackRock, Inc. | 14,019,203 | $208.6M | 0.00% | +162,473+1.2% | Added |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −714,779−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −623,687−100.0% | Sold out |
| Concentric Capital Strategies, LP | 0 | $0 | 0.00% | −168,770−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −153,440−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −152,552−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −85,000−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −66,391−100.0% | Sold out |
| SummerHaven Investment Management, LLC | 0 | $0 | 0.00% | −43,791−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −20,919−100.0% | Sold out |
| FIL Ltd | 0 | $0 | 0.00% | −20,040−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −20,019−100.0% | Sold out |
| 111 Capital | 0 | $0 | 0.00% | −19,210−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −17,069−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −15,964−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −14,686−100.0% | Sold out |
| Net Worth Advisory Group | 0 | $0 | 0.00% | −13,949−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −12,615−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −12,230−100.0% | Sold out |
| Ballentine Partners, LLC | 0 | $0 | 0.00% | −11,174−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −10,888−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −97−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Norges Bank | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Financial Gravity Companies, Inc. | – | – | – | – | Not filed |