Stocks › CSTM
CONSTELLIUM SE
CSTM·NYSE·
France·USD
France·USD$25.50
+0.21 (+0.83%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
CSTM
CONSTELLIUM SE · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
CSTMS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of CSTM by members of U.S. Congress · 1 on record
| Politician | Stock | Type | Filed | Traded | |
|---|---|---|---|---|---|
 Thomas MacArthurHouse · R · NJ |
CSTMCONSTELLIUM SE · Stock |
Sale $1,001 - $15,000 |
Jun 7, 2015 | May 27, 2015 | Filing ↗ |
Whale Activity
Position changes in CSTM reported for 2026-06-30 by 11 tracked institutional filers
- Increased3
- New0
- Held0
- Decreased6
- Closed0
- No prior filing2
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 12.8M | $408.0M | decreased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.4M | $140.0M | increased |
| D. E. Shaw & Co., Inc. | 2.2M | $70.1M | decreased |
| MILLENNIUM MANAGEMENT LLC | 2.0M | $62.3M | decreased |
| Senator Investment Group LP | 1.1M | $34.5M | — |
| Point72 Asset Management, L.P. | 821.7K | $26.2M | decreased |
| CITADEL ADVISORS LLC | 474.3K | $15.1M | decreased |
| TWO SIGMA INVESTMENTS, LP | 365.4K | $11.6M | increased |
| BEACON INVESTMENT ADVISORS LLC | 326.7K | $10.4M | — |
| Bridgewater Associates, LP | 311.6K | $9.9M | decreased |
| VANGUARD CAPITAL MANAGEMENT LLC | 108.3K | $3.5M | increased |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by CSTM insiders, by quarter · Form 4
Recent Insider Transactions
51 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Deslarzes Jean-ChristopheDirector · Director | Purchase | +1,490 | $27.24 | $41K | Aug 3, 2026 | Form 4 ↗ |
| Ormerod JohnDirector | Sale | −8,000 | $35.01 | $280K | Jun 4, 2026 | Form 4 ↗ |
| Becker MarcusSVP CPO | Sale | −10.4K | $34.93 | $363K | May 28, 2026 | Form 4 ↗ |
| Jarrett MartinSVP Chief Innovation Officer | Sale | −4,716 | $33.46 | $158K | May 14, 2026 | Form 4 ↗ |
| Soultz Bradley LeeDirector | Purchase | +2,500 | $33.84 | $85K | May 14, 2026 | Form 4 ↗ |
| Piquier LudovicSVP Manuf Excellence & CTO | Sale | −1,000 | $33.57 | $34K | May 12, 2026 | Form 4 ↗ |
| Brun NicolasSVP PA, Comm & Sust | Sale | −26.7K | $33.85 | $902K | May 11, 2026 | Form 4 ↗ |
| Corre StephanePresident, AS&I | Sale | −5,000 | $33.52 | $168K | May 8, 2026 | Form 4 ↗ |
| Guo Jack Q.EVP & CFO | Sale | −25.2K | $32.62 | $822K | May 5, 2026 | Form 4 ↗ |
| Brandjes MichielDirector | Sale | −10.4K | $31.25 | $325K | May 5, 2026 | Form 4 ↗ |
| Hoffmann PhilippePresident, A&T | Sale | −50.0K | $31.92 | $1.6M | May 1, 2026 | Form 4 ↗ |
| Jurkovic Philip RyanSVP & CHRO | Sale | −48.8K | $32.01 | $1.6M | May 1, 2026 | Form 4 ↗ |
| Corre StephanePresident, AS&I | Sale | −5,000 | $32.04 | $160K | May 1, 2026 | Form 4 ↗ |
| Deslarzes Jean-ChristopheDirector | Purchase | +1,325 | $31.13 | $41K | May 1, 2026 | Form 4 ↗ |
| Becker MarcusSVP CPO | Sale | −10.0K | $25.09 | $251K | Mar 16, 2026 | Form 4 ↗ |
| Walters Stephen CharlesSVP GC & Secretary | Grant / award | +5,834 | $0.00 | $0 | Mar 12, 2026 | Form 4 ↗ |
| Weiler WiebkeDirector | Grant / award | +625 | $0.00 | $0 | Mar 12, 2026 | Form 4 ↗ |
| Brun NicolasSVP PA, Comm & Sust | Grant / award | +4,376 | $0.00 | $0 | Mar 12, 2026 | Form 4 ↗ |
| Jurkovic Philip RyanSVP & CHRO | Grant / award | +10.2K | $0.00 | $0 | Mar 12, 2026 | Form 4 ↗ |
| Piquier LudovicSVP Manuf Excellence & CTO | Grant / award | +5,469 | $0.00 | $0 | Mar 12, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding CSTM · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| Avantis International Small Cap Value ETF American Century ETF Trust | 1.9M | $64.3M | 0.32% | May 31, 2026 |
| VANGUARD STRATEGIC EQUITY FUND VANGUARD HORIZON FUNDS | 1.2M | $38.6M | 0.32% | Jun 30, 2026 |
| College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund | 1.1M | $34.8M | 0.02% | Jun 30, 2026 |
| Small Cap Growth Fund American Century Mutual Funds, Inc. | 1.1M | $31.0M | 0.56% | Jul 31, 2026 |
| VANGUARD EXPLORER FUND | 885.3K | $24.6M | 0.11% | Jul 31, 2026 |
| VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 705.0K | $24.2M | 0.14% | May 31, 2026 |
| Nuveen Quant Small Cap Equity Fund TIAA-CREF Funds | 675.0K | $18.8M | 0.46% | Jul 31, 2026 |
| VANGUARD STRATEGIC SMALL-CAP EQUITY FUND VANGUARD HORIZON FUNDS | 512.5K | $16.3M | 0.52% | Jun 30, 2026 |
| Nuveen Quant Small/Mid Cap Equity Fund TIAA-CREF Funds | 451.8K | $12.5M | 0.47% | Jul 31, 2026 |
| VANGUARD MATERIALS INDEX FUND VANGUARD WORLD FUND | 359.9K | $12.3M | 0.27% | May 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list CSTM's shares (CUSIP F21107101), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Abigail P. JohnsonSCHEDULE 13G/A · passive (13G) · 2.2M shares1.6%
Aug 6, 2026 · ↗ - FMR LLCSCHEDULE 13G/A · passive (13G) · 2.2M shares1.6%
Aug 6, 2026 · ↗ - EPIC BpifranceSCHEDULE 13D/A · activist (13D) · 8.4M shares6.2%
May 28, 2026 · ↗ - Bpifrance S.A.SCHEDULE 13D/A · activist (13D) · 8.4M shares6.2%
May 28, 2026 · ↗ - Bpifrance Participations S.A.SCHEDULE 13D/A · activist (13D) · 8.4M shares6.2%
May 28, 2026 · ↗ - Caisse des Depots (CDC)SCHEDULE 13D/A · activist (13D) · 8.4M shares6.2%
May 28, 2026 · ↗ - Abigail P. JohnsonSCHEDULE 13G/A · passive (13G) · 7.0M shares5.1%
May 6, 2026 · ↗ - FMR LLCSCHEDULE 13G/A · passive (13G) · 7.0M shares5.1%
May 6, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming CONSTELLIUM SE as client
No lobbying filings found naming CONSTELLIUM SE as the client.
Government Contracts
Federal awards to CONSTELLIUM SE · USAspending
No federal contract awards found for CONSTELLIUM SE.
U.S. Patents
Recent USPTO applications naming CONSTELLIUM SE
No USPTO patent applications found for CONSTELLIUM SE.
Annual Financials
From CSTM's 10-K filings · XBRL
No annual XBRL figures on record for CSTM. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in CSTM's price history.
About CONSTELLIUM SE
From SEC EDGAR company records
Industry (SIC 3341)Secondary Smelting & Refining of Nonferrous Metals
SectorIndustrials
HeadquartersPARIS, France
SEC CIK0001563411 ↗
Former namesConstellium N.V., Constellium Holdco B.V.