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 $3.86B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Constellium SE as of Jun 30, 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
- 389
- +82 vs. Q1 2026
- Shares held
- 121.5M
- −3.90M (−3.1%) vs. Q1 2026
- Total value
- $3.86B
- +$788.7M (+25.7%) vs. Q1 2026
- New holders
- 112
- 147 more added
- Sold out
- 30
- 111 more reduced
8 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $3.86B |
| Q1 2026 | 315 | $3.08B |
| Q4 2025 | 253 | $2.38B |
| Q3 2025 | 237 | $1.95B |
| Q2 2025 | 224 | $1.76B |
| Q1 2025 | 220 | $1.33B |
| Q4 2024 | 219 | $1.39B |
| Q3 2024 | 222 | $2.22B |
| Q2 2024 | 224 | $2.60B |
| Q1 2024 | 207 | $3.13B |
| Q4 2023 | 193 | $2.71B |
| Q3 2023 | 191 | $2.42B |
| Q2 2023 | 187 | $2.30B |
| Q1 2023 | 182 | $2.19B |
| Q4 2022 | 185 | $1.54B |
| Q3 2022 | 179 | $1.45B |
| Q2 2022 | 189 | $1.76B |
| Q1 2022 | 183 | $2.36B |
| Q4 2021 | 161 | $2.27B |
| Q3 2021 | 162 | $2.39B |
| Q2 2021 | 152 | $2.46B |
| Q1 2021 | 135 | $1.80B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Constellium SE; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 12,802,322 | $408.0M | 0.01% | −161,881−1.2% | Reduced |
| Bpifrance SA | 8,403,903 | $267.8M | 19.67% | −4,190,000−33.3% | Reduced |
| Morgan Stanley | 6,183,255 | $197.1M | 0.01% | +2,987,201+93.5% | Added |
| Vanguard Portfolio Management LLC | 4,391,756 | $140.0M | 0.01% | +464,659+11.8% | Added |
| American Century Companies Inc | 4,220,743 | $134.5M | 0.06% | +2,135,264+102.4% | Added |
| T. Rowe Price Investment Management, Inc. | 2,980,566 | $95.0M | 0.06% | −980,253−24.7% | Reduced |
| State Street Corp | 2,954,799 | $94.2M | 0.00% | +191,304+6.9% | Added |
| Arrowstreet Capital, Limited Partnership | 2,844,747 | $90.7M | 0.04% | −383,280−11.9% | Reduced |
| Nuveen, LLC | 2,770,828 | $88.3M | 0.02% | −56,903−2.0% | Reduced |
| Kinetic Partners Management, LP | 2,542,400 | $81.0M | 1.93% | +1,230,000+93.7% | Added |
| Encompass Capital Advisors LLC | 2,421,349 | $77.2M | 3.33% | −55,929−2.3% | Reduced |
| AQR Capital Management LLC | 2,402,937 | $76.6M | 0.03% | +328,076+15.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 2,278,202 | $72.6M | 0.10% | +221,866+10.8% | Added |
| D. E. Shaw & Co., Inc. | 2,198,618 | $70.1M | 0.04% | −1,035,958−32.0% | Reduced |
| FMR LLC | 2,194,722 | $69.9M | 0.00% | −4,767,046−68.5% | Reduced |
| Acadian Asset Management LLC | 2,107,513 | $67.1M | 0.08% | +834,642+65.6% | Added |
| Goldman Sachs Group Inc | 2,070,665 | $66.0M | 0.01% | +698,889+50.9% | Added |
| Millennium Management LLC | 1,956,365 | $62.3M | 0.04% | −1,513,726−43.6% | Reduced |
| Brightline Capital Management, LLC | 1,923,000 | $61.3M | 13.28% | +76,000+4.1% | Added |
| Nomura Asset Management International Inc. | 1,856,018 | $59.2M | 0.09% | −57,415−3.0% | Reduced |
| Geode Capital Management, LLC | 1,789,723 | $57.0M | 0.00% | +121,272+7.3% | Added |
| Scopus Asset Management, L.P. | 1,731,708 | $55.2M | 1.30% | +50,000+3.0% | Added |
| Alliancebernstein L.P. | 2,162,231 | $53.1M | 0.02% | −154,777−6.7% | Reduced |
| Allianz Asset Management GmbH | 1,453,717 | $46.3M | 0.04% | +559,780+62.6% | Added |
| SG Americas Securities, LLC | 1,234,038 | $39.3M | 0.02% | −263,422−17.6% | Reduced |
| JPMorgan Chase & Co | 1,146,089 | $35.9M | 0.00% | −905,841−44.1% | Reduced |
| Westwood Holdings Group Inc. | 1,099,362 | $35.0M | 0.26% | −302,054−21.6% | Reduced |
| Marshall Wace, LLP | 1,093,740 | $34.9M | 0.03% | +1,079,965+7,840.0% | Added |
| Senator Investment Group LP | 1,083,489 | $34.5M | 1.26% | +1,083,489 | New |
| Panagora Asset Management Inc | 1,048,331 | $33.4M | 0.10% | +343,491+48.7% | Added |
| Northern Trust Corp | 984,446 | $31.4M | 0.00% | +6,863+0.7% | Added |
| Bank of America Corp | 957,579 | $30.5M | 0.00% | +106,357+12.5% | Added |
| William Blair Investment Management, LLC | 882,306 | $28.1M | 0.08% | −35,784−3.9% | Reduced |
| HRT Financial LP | 874,136 | $27.9M | 0.05% | +355,304+68.5% | Added |
| Federated Hermes, Inc. | 838,604 | $26.7M | 0.04% | +185,946+28.5% | Added |
| Point72 Asset Management, L.P. | 821,701 | $26.2M | 0.04% | −183,502−18.3% | Reduced |
| Beaconlight Capital, LLC | 779,899 | $24.9M | 10.94% | −391,913−33.4% | Reduced |
| Penn Capital Management Co Inc | 749,645 | $23.9M | 1.52% | −95,289−11.3% | Reduced |
| Charles Schwab Investment Management Inc | 734,247 | $23.4M | 0.00% | −48,990−6.3% | Reduced |
| Bayberry Capital Partners LP | 655,000 | $20.9M | 7.19% | −219,000−25.1% | Reduced |
| Danske Bank A/S | 642,706 | $20.5M | 0.04% | +247,266+62.5% | Added |
| Balyasny Asset Management LLC | 641,403 | $20.4M | 0.04% | −154,010−19.4% | Reduced |
| Qube Research & Technologies Ltd | 622,121 | $19.8M | 0.02% | +151,192+32.1% | Added |
| Mackenzie Financial Corp | 592,538 | $18.9M | 0.02% | +411,068+226.5% | Added |
| Fisher Asset Management, LLC | 552,416 | $17.6M | 0.01% | +12,965+2.4% | Added |
| New York State Common Retirement Fund | 520,203 | $16.6M | 0.02% | −49,984−8.8% | Reduced |
| Raymond James Financial Inc | 512,254 | $16.3M | 0.00% | +183,466+55.8% | Added |
| Wells Fargo & Company | 498,794 | $15.9M | 0.00% | +403,684+424.4% | Added |
| Jupiter Topco LLC | 494,899 | $15.8M | 0.01% | +494,899 | New |
| Mountaineer Partners Management, LLC | 482,130 | $15.4M | 11.18% | −176,360−26.8% | Reduced |
| Russell Investments Group, Ltd. | 475,520 | $15.1M | 0.01% | +10,123+2.2% | Added |
| Citadel Advisors LLC | 474,311 | $15.1M | 0.01% | −296,297−38.4% | Reduced |
| Trexquant Investment LP | 466,821 | $14.9M | 0.09% | −16,256−3.4% | Reduced |
| Cooper Creek Partners Management LLC | 441,835 | $14.1M | 0.59% | −322,370−42.2% | Reduced |
| Bank of New York Mellon Corp | 435,775 | $13.9M | 0.00% | +38,038+9.6% | Added |
| Spears Abacus Advisors LLC | 416,875 | $13.3M | 0.24% | −492,325−54.1% | Reduced |
| Occudo Quantitative Strategies LP | 416,403 | $13.3M | 0.71% | +213,105+104.8% | Added |
| Two Sigma Investments, LP | 365,357 | $11.6M | 0.01% | +76,457+26.5% | Added |
| Man Group plc | 359,310 | $11.5M | 0.02% | +238,673+197.8% | Added |
| Massachusetts Financial Services Co | 351,022 | $11.2M | 0.00% | +13,178+3.9% | Added |
| Hillsdale Investment Management Inc. | 347,600 | $11.1M | 0.25% | +30,900+9.8% | Added |
| Beacon Investment Advisors LLC | 326,719 | $10.4M | 3.27% | −247−0.1% | Reduced |
| LSV Asset Management | 320,300 | $10.2M | 0.02% | +86,800+37.2% | Added |
| UBS Group AG | 312,141 | $9.95M | 0.00% | −159,354−33.8% | Reduced |
| Bridgewater Associates, LP | 311,558 | $9.93M | 0.04% | −191,413−38.1% | Reduced |
| Franklin Resources Inc | 295,567 | $9.42M | 0.00% | +6,243+2.2% | Added |
| Hennessy Advisors Inc | 294,500 | $9.39M | 0.30% | +294,500 | New |
| Creative Planning | 291,696 | $9.30M | 0.01% | +48,945+20.2% | Added |
| SEI Investments Co | 289,041 | $9.21M | 0.01% | +57,267+24.7% | Added |
| Lazard Asset Management LLC | 285,453 | $9.10M | 0.01% | +198,358+227.7% | Added |
| Kailix Advisors LLC | 278,200 | $8.87M | 8.56% | −216,200−43.7% | Reduced |
| ArrowMark Colorado Holdings LLC | 277,217 | $8.83M | 0.37% | −220,162−44.3% | Reduced |
| LPL Financial LLC | 268,282 | $8.55M | 0.00% | +191,145+247.8% | Added |
| CVFG LLC | 266,220 | $8.48M | 0.89% | −7,000−2.6% | Reduced |
| Algert Global LLC | 264,290 | $8.42M | 0.10% | −94,648−26.4% | Reduced |
| GW&K Investment Management, LLC | 254,026 | $8.10M | 0.06% | −3,562−1.4% | Reduced |
| Swiss National Bank | 245,900 | $7.84M | 0.00% | +500+0.2% | Added |
| Schonfeld Strategic Advisors LLC | 244,069 | $7.78M | 0.04% | +113,749+87.3% | Added |
| Neuberger Berman Group LLC | 237,315 | $7.56M | 0.01% | +237,315 | New |
| Ieq Capital, LLC | 234,061 | $7.46M | 0.03% | −32,051−12.0% | Reduced |
| O'Shaughnessy Asset Management, LLC | 218,767 | $6.97M | 0.03% | +179,871+462.4% | Added |
| Jump Financial, LLC | 218,690 | $6.97M | 0.06% | +204,230+1,412.4% | Added |
| Soapstone Management L.P. | 200,000 | $6.37M | 4.64% | −600,000−75.0% | Reduced |
| Sequoia Financial Advisors, LLC | 198,018 | $6.31M | 0.03% | +820+0.4% | Added |
| KBC Group NV | 197,790 | $6.30M | 0.01% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 197,697 | $6.30M | 0.08% | −686,406−77.6% | Reduced |
| Bank of Montreal | 197,229 | $6.29M | 0.00% | −9,877−4.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 189,261 | $6.03M | 0.01% | +20,274+12.0% | Added |
| Hudson Bay Capital Management LP | 185,572 | $5.91M | 0.03% | −216,417−53.8% | Reduced |
| Prudential Financial Inc | 176,940 | $5.64M | 0.01% | +84,300+91.0% | Added |
| TD Waterhouse Canada Inc. | 184,316 | $5.58M | 0.01% | +184,316 | New |
| Deutsche Bank AG | 175,060 | $5.58M | 0.00% | +6,446+3.8% | Added |
| Capital Fund Management S.A. | 172,721 | $5.50M | 0.04% | +100,841+140.3% | Added |
| Rhumbline Advisers | 171,961 | $5.48M | 0.00% | +14,545+9.2% | Added |
| Rockingstone Advisors LLC | 171,808 | $5.48M | 2.20% | −20,029−10.4% | Reduced |
| Ameriprise Financial Inc | 164,723 | $5.25M | 0.00% | +66,689+68.0% | Added |
| Moore Capital Management, LP | 159,438 | $5.08M | 0.12% | +57,540+56.5% | Added |
| Martingale Asset Management L P | 156,389 | $4.98M | 0.12% | −4,209−2.6% | Reduced |
| Barclays PLC | 155,140 | $4.94M | 0.00% | −17,788−10.3% | Reduced |
| Jane Street Group, LLC | 153,549 | $4.89M | 0.00% | −678,942−81.6% | Reduced |