Who Owns Constellium SE (CSTM)? -- Institutional Holders (2026-06-30)

8 institutions reported holding $1.3M of Constellium SE (CSTM) in SEC 13F filings for 2026-06-30. Largest institutional holders: GK Wealth Management LLC ($479,835), Baron Wealth Management LLC ($264,043), Dynamic Advisor Solutions LLC ($242,402), Versant Capital Management, Inc ($163,748), GAMMA Investing LLC ($113,553). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1GK Wealth Management LLC$479,83515,056New
2Baron Wealth Management LLC$264,0438,285New
3Dynamic Advisor Solutions LLC$242,4027,606New
4Versant Capital Management, Inc$163,7485,138Hold
5GAMMA Investing LLC$113,5533,563Added
6Dogwood Wealth Management LLC$92429New
7MassMutual Private Wealth & Trust, FSB$47815Hold
8EASTERN BANK$00Exited

Source: SEC Form 13F filings · as of 2026-06-30