Skip to main content

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, 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
−3.92M (−3.1%) vs. Q1 2026
Total value
$3.85B
+$787.8M (+25.7%) vs. Q1 2026
New holders
112
148 more added
Sold out
30
110 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.

Institutional holdersQ2 2026: 389 institutions
Q1 2021: 135 institutionsQ2 2021: 152 institutionsQ3 2021: 162 institutionsQ4 2021: 161 institutionsQ1 2022: 183 institutionsQ2 2022: 189 institutionsQ3 2022: 179 institutionsQ4 2022: 185 institutionsQ1 2023: 182 institutionsQ2 2023: 187 institutionsQ3 2023: 191 institutionsQ4 2023: 193 institutionsQ1 2024: 207 institutionsQ2 2024: 224 institutionsQ3 2024: 222 institutionsQ4 2024: 219 institutionsQ1 2025: 220 institutionsQ2 2025: 224 institutionsQ3 2025: 237 institutionsQ4 2025: 253 institutionsQ1 2026: 315 institutionsQ2 2026: 389 institutions
Value heldQ2 2026: $3.85B
Q1 2021: $1.80BQ2 2021: $2.46BQ3 2021: $2.39BQ4 2021: $2.27BQ1 2022: $2.36BQ2 2022: $1.76BQ3 2022: $1.35BQ4 2022: $1.57BQ1 2023: $2.04BQ2 2023: $2.34BQ3 2023: $2.46BQ4 2023: $2.67BQ1 2024: $3.04BQ2 2024: $2.58BQ3 2024: $2.21BQ4 2024: $1.39BQ1 2025: $1.33BQ2 2025: $1.76BQ3 2025: $1.91BQ4 2025: $2.34BQ1 2026: $3.08BQ2 2026: $3.85B
Institutions holding CSTM and their total value by quarter
QuarterHoldersValue
Q2 2026389$3.85B
Q1 2026315$3.08B
Q4 2025253$2.34B
Q3 2025237$1.91B
Q2 2025224$1.76B
Q1 2025220$1.33B
Q4 2024219$1.39B
Q3 2024222$2.21B
Q2 2024224$2.58B
Q1 2024207$3.04B
Q4 2023193$2.67B
Q3 2023191$2.46B
Q2 2023187$2.34B
Q1 2023182$2.04B
Q4 2022185$1.57B
Q3 2022179$1.35B
Q2 2022189$1.76B
Q1 2022183$2.36B
Q4 2021161$2.27B
Q3 2021162$2.39B
Q2 2021152$2.46B
Q1 2021135$1.80B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Constellium SE; share changes are against Q1 2026.

Institutions holding CSTM in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Huntington National Bank1$140.00%00.0%Unchanged
Keating Financial Advisory Services, Inc.6$1910.00%+6New
SHP Wealth Management7$2230.00%+7New
Financial Gravity Companies, Inc.13$4140.00%+13New
Massmutual Trust Co FSB15$4780.00%00.0%Unchanged
Cornerstone Planning Group LLC17$4990.00%00.0%Unchanged
UMA Financial Services, Inc.16$5100.00%+16New
Steward Partners Investment Advisory, LLC20$6370.00%+20New
Strengthening Families & Communities, LLC23$7330.00%+23New
Transamerica Financial Advisors, Inc.26$8280.00%+26New
Dogwood Wealth Management LLC29$9240.00%+29New
Pinnacle Wealth Planning Services, Inc.36$1.15K0.00%+36New
Basecamp Wealth Advisors LLC47$1.50K0.00%−54−53.5%Reduced
Bell Investment Advisors, Inc48$1.53K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co48$1.53K0.00%+21+77.8%Added
New England Capital Financial Advisors LLC50$1.59K0.00%+50New
Ronald Blue Trust, Inc.60$1.91K0.00%−190−76.0%Reduced
Ameritas Advisory Services, LLC61$1.94K0.00%+61New
Wall Street Access Asset Management, LLC61$1.95K0.00%+61New
Kilter Group LLC63$2.01K0.00%−1−1.6%Reduced
Parkside Financial Bank & Trust66$2.10K0.00%+21+46.7%Added
Larson Financial Group LLC70$2.23K0.00%−31−30.7%Reduced
Continuum Advisory, LLC83$2.65K0.00%+83New
Sims Investment Management, LLC100$3.19K0.00%+100New
JPL Wealth Management, LLC148$4.72K0.00%+130+722.2%Added
Picton Mahoney Asset Management163$5.20K0.00%+163New
Wealth Enhancement Trust Services, Inc.183$5.83K0.00%+183New
Atlantic Union Bankshares Corp200$6.37K0.00%00.0%Unchanged
Tompkins Financial Corp200$6.37K0.00%00.0%Unchanged
Clearstead Advisors, LLC207$6.60K0.00%+207New
Federation des caisses Desjardins du Quebec217$6.91K0.00%+217New
The PNC Financial Services Group, Inc.223$7.11K0.00%+34+18.0%Added
SJS Investment Consulting Inc.227$7.24K0.00%+88+63.3%Added
Macquarie Group Ltd243$7.74K0.00%+243New
Fortitude Family Office, LLC247$7.87K0.00%+247New
NBC Securities, Inc.276$8.80K0.00%+176+176.0%Added
Global Retirement Partners, LLC286$9.12K0.00%+286New
Blue Bell Private Wealth Management, LLC296$9.43K0.00%+296New
Quarry LP349$11.1K0.00%+240+220.2%Added
Meeder Asset Management Inc366$11.7K0.00%+366New
Pacifica Partners Inc.500$14.7K0.00%00.0%Unchanged
Harbour Investments, Inc.481$15.3K0.00%−118−19.7%Reduced
Assetmark, Inc485$15.5K0.00%+438+931.9%Added
Barrow Hanley Mewhinney & Strauss LLC497$15.8K0.00%−79−13.7%Reduced
WealthCollab, LLC560$17.8K0.01%00.0%Unchanged
Accent Capital Management, LLC646$20.6K0.01%+73+12.7%Added
Nomura Asset Management Co Ltd790$25.2K0.00%−1,910−70.7%Reduced
Central Trust Co824$26.3K0.00%+824New
US Bancorp851$27.1K0.00%+21+2.5%Added
Kemnay Advisory Services Inc.884$28.2K0.00%−77−8.0%Reduced
Smartleaf Asset Management LLC923$28.8K0.00%00.0%Unchanged
Harbor Capital Advisors, Inc.960$31.0K0.00%−76−7.3%Reduced
Mark Sheptoff Financial Planning, LLC1,000$31.9K0.02%+1,000New
Orion Capital Management LLC1,000$31.9K0.01%+1,000New
POM Investment Strategies, LLC1,000$31.9K0.04%+1,000New
True Wealth Design, LLC1,094$34.9K0.01%+133+13.8%Added
Cullen/Frost Bankers, Inc.1,139$36.3K0.00%+189+19.9%Added
Jones Financial Companies LLLP1,283$40.8K0.00%+1,105+620.8%Added
Clear Street Markets LLC1,495$47.6K0.01%+1,495New
Persistent Asset Partners Ltd1,504$47.9K0.02%+1,504New
USA Financial Formulas1,579$50.3K0.01%+1,579New
Rothschild Investment LLC1,603$51.1K0.00%+18+1.1%Added
Action Point Financial Planning, LLC1,807$57.6K0.01%+1,807New
Parallel Advisors, LLC1,875$59.8K0.00%+1,210+182.0%Added
Covestor Ltd2,007$64.0K0.04%+16+0.8%Added
Geneos Wealth Management Inc.3,000$95.6K0.00%00.0%Unchanged
UBS Asset Management Americas Inc3,035$96.7K0.00%−852,629−99.6%Reduced
Essential Partners LLC3,150$100.4K0.05%−339−9.7%Reduced
EverSource Wealth Advisors, LLC3,470$110.6K0.00%+18+0.5%Added
GAMMA Investing LLC3,563$113.6K0.00%+18+0.5%Added
Signaturefd, LLC3,973$126.6K0.00%+216+5.7%Added
Rockefeller Capital Management L.P.4,234$134.9K0.00%+1,648+63.7%Added
Nisa Investment Advisors, LLC4,715$150.3K0.00%+2,938+165.3%Added
Farther Finance Advisors, LLC5,010$159.4K0.00%+3,481+227.7%Added
Versant Capital Management, Inc5,138$163.7K0.01%00.0%Unchanged
Truvestments Capital LLC5,149$164.1K0.02%+5,149New
Golden State Wealth Management, LLC5,566$177.4K0.02%+5,516+11,032.0%Added
IFP Advisors, Inc5,837$186.0K0.00%+2,605+80.6%Added
Allworth Financial LP6,021$191.9K0.00%+2,316+62.5%Added
World Equity Group, Inc.6,416$204.5K0.05%+6,416New
CIBC World Markets Inc.6,423$204.7K0.00%+6,423New
Atria Investments LLC6,573$209.5K0.00%+6,573New
DnB Asset Management AS6,581$209.7K0.00%+6,581New
Mirae Asset Global Investments Co., Ltd.6,623$211.1K0.00%+6,623New
Gotham Asset Management, LLC6,631$211.3K0.00%+6,631New
Dark Forest Capital Management LP6,634$211.4K0.01%−42,804−86.6%Reduced
Venture Visionary Partners LLC6,750$215.1K0.01%+6,750New
Stratos Wealth Advisors, LLC7,000$223.1K0.01%+7,000New
Caerus Investment Advisors, LLC7,040$224.4K0.08%+7,040New
Synergy Financial Management, LLC7,262$231.4K0.02%+7,262New
Semanteon Capital Management, LP7,299$232.6K1.05%+7,299New
NorthCrest Asset Manangement, LLC7,932$235.1K0.01%+7,932New
HighTower Advisors, LLC7,562$241.0K0.00%−50,349−86.9%Reduced
Dynamic Advisor Solutions LLC7,606$242.4K0.01%+7,606New
CIBC Bancorp USA Inc.7,743$246.8K0.00%+7,743New
Oxinas Partners Wealth Management LLC7,775$247.8K0.10%+7,775New
Proficio Capital Partners LLC7,816$249.1K0.01%+7,816New
Arlington Capital Management, Inc.7,876$251.0K0.16%+7,876New
MAI Capital Management7,904$251.9K0.00%+5,369+211.8%Added
Ballentine Partners, LLC7,971$254.0K0.00%+7,971New