Constellium Nv
Ownership
Ownership Structure
Who owns Constellium Nv (CSTM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 91.1% of the shares are freely tradable; institutional investors hold 92.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 9.45 | 12,802,322 | -1.2 | 06/30/2026 |
| Bpifrance SA | 6.20 | 8,403,903 | -33.3 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 4.56 | 6,183,255 | +93.5 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 3.24 | 4,391,756 | +11.8 | 06/30/2026 |
| American Century Companies Inc | 3.11 | 4,220,743 | +102.4 | 06/30/2026 |
| T. Rowe Price Investment Management,Inc. | 2.20 | 2,980,566 | -24.7 | 06/30/2026 |
| State Street Corp | 2.18 | 2,954,799 | +6.9 | 06/30/2026 |
| Arrowstreet Capital Limited Partnership | 2.10 | 2,844,747 | -11.9 | 06/30/2026 |
| Nuveen, LLC | 2.04 | 2,770,828 | -2.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Russell 2000 ETF | 2.44 | 3,300,523 | -1.1 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Joerg Ingrid | CEO | 406,464 | 9,348,672 $ | Jul 10, 2026 | direct |
| Deslarzes Jean-Christophe | Director | 43,515 | 1,000,845 $ | Aug 3, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 3, 2026 | Deslarzes Jean-Christophe | Director | Buy | 1,490 | 27.24 | 40,588 |
| Jul 10, 2026 | Joerg Ingrid | CEO | Other | 2,984 | 29.28 | 87,372 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.