Constellium SE Class A Ordinary shares (CSTM) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for CSTM. 13F holdings as of 2026-03-31.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 12,964,203 | $319M | DECREASED |
| Bpifrance SA | 12,593,903 | $310M | UNCHANGED |
| FMR LLC | 6,961,768 | $171M | DECREASED |
| T. Rowe Price Investment Management, Inc. | 3,960,819 | $97M | DECREASED |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,927,097 | $97M | NEW |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| John Ormerod (Director) | SELL | 8,000 | $280K | 2026-06-04 |
| Marcus Becker (SVP CPO) | SELL | 10,391 | $363K | 2026-05-28 |
| Bradley Lee Soultz (Director) | BUY | 2,500 | $85K | 2026-05-14 |
| Martin Jarrett (SVP Chief Innovation Officer) | SELL | 4,716 | $158K | 2026-05-14 |
| Ludovic Piquier (SVP Manuf Excellence & CTO) | SELL | 1,000 | $34K | 2026-05-12 |
Full institutional holdings, insider history, and congressional trades for Constellium SE Class A Ordinary shares on SentiSense.