Comparable stake leader
Bpifrance Participations SA
SEC ownership of CONSTELLIUM SE
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001563411.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
04 Jun 2026
- Public ticker
- CSTM on NYSE
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Bpifrance Participations SA
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Bpifrance Participations SA
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
04 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001563411
- Issuer location
- Paris, France
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of CONSTELLIUM SE (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Bpifrance Participations SA
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
04 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 6.2%
13D/G row: Bpifrance Participations SA
Showing 1-8 of 50 holder rows.
Quick read
Bpifrance Participations SA leads the comparable SEC ownership view at 6.2%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Bpifrance Participations SA's linked filing trail.
Comparable ownership
Top 5
Bpifrance Participations SA
6.2%
BlackRock, Inc.
5.8%
FMR LLC
5.1%
T. Rowe Price Investment Manageme...
4.5%
MILLENNIUM MANAGEMENT LLC
2.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Bpifrance Participations SA |
13D/G
Bpifrance Participations S.A.
|
6.2%
|
$248,587,451
8,403,903 shares
|
$0 | 26 May 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
5.8%
from 13D/G
|
$318,660,110
12,964,203 shares
|
— | 31 Mar 2026 |
| FMR LLC |
13D/G
13F
Company
|
5.1%
|
$171,120,252
6,961,768 shares
|
-$88,672,719 | 31 Mar 2026 |
| T. Rowe Price Investment Management, Inc. |
13F
13D/G
Company
|
4.5%
from 13D/G
|
$97,357,000
3,960,819 shares
|
— | 31 Mar 2026 |
| MILLENNIUM MANAGEMENT LLC |
13F
13D/G
Company
|
2.5%
from 13D/G
|
$85,294,837
3,470,091 shares
|
— | 31 Mar 2026 |
| Ingrid Joerg |
3/4/5
CEO, Director
|
0.3%
|
$9,200,296
409,448 shares
|
-$119,364 | 12 Mar 2026 |
| Ludovic Piquier |
3/4/5
SVP Manuf Excellence & CTO
|
0.18%
|
$8,114,305
241,713 shares
|
-$33,570 | 12 May 2026 |
| Martha Brooks |
3/4/5
Director
|
0.16%
|
$3,195,171
211,741 shares
|
— | 01 Jan 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$12,017,931.
Buys
$167,089
Insiders: 2
Sells
$12,185,020
Insiders: 13
Net
-$12,017,931
Shares: -414,206
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 5,490
Shares: 419,696
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 3,825 | 195,153 | $125,847 | $6,369,312 | -$6,243,465 |
| 3-6 | 1,665 | 224,543 | $41,242 | $5,815,708 | -$5,774,466 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 23 reporting-owner rows connected to CONSTELLIUM SE. Open a relationship link for the CIK-to-CIK filing trail.
Rows
23
Largest Forms 3/4/5 holder
Ingrid Joerg
Net 12M change
-$12,017,931
Latest report
04 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Ingrid Joerg | CEO, Director | $9,200,296 | -$119,364 | -1.3% | Mixed | 12 Mar 2026 |
| Ludovic Piquier | SVP Manuf Excellence & CTO | $8,114,305 | -$33,570 | -0.41% | Filing P/S | 12 May 2026 |
| Jack Q. Guo | Evp & Cfo | $6,046,704 | -$1,901,275 | -24% | Filing P/S | 05 May 2026 |
| Philip Ryan Jurkovic | Svp & Chro | $5,510,489 | -$2,335,089 | -30% | Filing P/S | 01 May 2026 |
| Philippe Hoffmann | President, A&T | $4,601,363 | -$3,834,013 | -45% | Filing P/S | 01 May 2026 |
| Nicolas Brun | SVP PA, Comm & Sust | $3,550,560 | -$1,339,159 | -27% | Filing P/S | 11 May 2026 |
| Martha Brooks | Director | $3,195,171 | Mixed | 01 Jan 2026 | ||
| Stephane Corre | President, AS&I | $2,088,731 | -$522,967 | -20% | Filing P/S | 08 May 2026 |
| Jean-Christophe Deslarzes | Director | $1,308,238 | +$82,489 | +6.7% | Filing P/S | 01 May 2026 |
| Michiel Brandjes | Director | $1,300,000 | -$325,000 | -20% | Filing P/S | 05 May 2026 |
| John Ormerod | Director | $870,803 | -$280,080 | -24% | Filing P/S | 04 Jun 2026 |
| Niklaus Schild | Svp Cio & Cdo | $869,656 | Mixed | 12 Mar 2026 | ||
| Matthew B. Perkins | President, P&ARP | $746,273 | Mixed | 12 Mar 2026 | ||
| Isabelle Boccon-Gibod | Director | $592,710 | -$257,700 | -30% | Filing P/S | 26 Feb 2026 |
| Marcus Becker | Svp Cpo | $586,265 | -$1,040,921 | -64% | Filing P/S | 28 May 2026 |
| Stephen Charles Walters | SVP GC & Secretary | $563,277 | -$38,085 | -6.3% | Mixed | 12 Mar 2026 |
| Lori A. Walker | Director | $547,676 | Mixed | 01 Jan 2026 | ||
| Martin Jarrett | SVP Chief Innovation Officer | $514,447 | -$157,797 | -23% | Filing P/S | 14 May 2026 |
| Bradley Lee Soultz | Director | $391,850 | +$84,600 | +28% | Mixed | 14 May 2026 |
| Jean-Philippe Puig | Director | $356,124 | Mixed | 01 Jan 2026 |
Recent insider transactions for CONSTELLIUM SE
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| John Ormerod | CSTM | Ordinary shares | Sale | -24.3% | $280,080 | $35.01 | -8,000 | 24,873 | 04 Jun 2026 | Direct |
| Marcus Becker | CSTM | Ordinary shares | Sale | -38.2% | $362,958 | $34.93 | -10,391 | 16,784 | 28 May 2026 | Direct |
| Bradley Lee Soultz | CSTM | Ordinary shares | Purchase | $84,600 | $33.84 | 2,500 | 2,500 | 14 May 2026 | By Bradley L. Soultz Irrevocable Trust | |
| Martin Jarrett | CSTM | Ordinary shares | Sale | -23.5% | $157,797 | $33.46 | -4,716 | 15,375 | 14 May 2026 | Direct |
| Ludovic Piquier | CSTM | Ordinary shares | Sale | -0.41% | $33,570 | $33.57 | -1,000 | 241,713 | 12 May 2026 | Direct |
| Nicolas Brun | CSTM | Ordinary shares | Sale | -20.3% | $902,475 | $33.85 | -26,661 | 104,891 | 11 May 2026 | Direct |
| Stephane Corre | CSTM | Ordinary shares | Sale | -7.43% | $167,600 | $33.52 | -5,000 | 62,313 | 08 May 2026 | Direct |
| Michiel Brandjes | CSTM | Ordinary shares | Sale | -20% | $325,000 | $31.25 | -10,400 | 41,600 | 05 May 2026 | Direct |
| Jack Q. Guo | CSTM | Ordinary shares | Sale | -12% | $822,057 | $32.62 | -25,201 | 185,368 | 05 May 2026 | Direct |
| Philippe Hoffmann | CSTM | Ordinary shares | Sale | -25.8% | $1,596,000 | $31.92 | -50,000 | 144,153 | 01 May 2026 | Direct |
| Philip Ryan Jurkovic | CSTM | Ordinary shares | Sale | -22.1% | $1,561,576 | $32.01 | -48,784 | 172,149 | 01 May 2026 | Direct |
| Stephane Corre | CSTM | Ordinary shares | Sale | -6.91% | $160,200 | $32.04 | -5,000 | 67,313 | 01 May 2026 | Direct |
| Jean-Christophe Deslarzes | CSTM | Ordinary shares | Purchase | 3.26% | $41,247 | $31.13 | 1,325 | 42,025 | 01 May 2026 | Direct |
| Marcus Becker | CSTM | Ordinary shares | Sale | -26.9% | $250,900 | $25.09 | -10,000 | 27,175 | 16 Mar 2026 | Direct |
| Stephen Charles Walters | CSTM | Ordinary shares | Award | 30.3% | 5,834 | 25,068 | 12 Mar 2026 | Direct | ||
| Wiebke Weiler | CSTM | Ordinary shares | Award | 625 | 625 | 12 Mar 2026 | Direct | |||
| Nicolas Brun | CSTM | Ordinary shares | Award | 3.44% | 4,376 | 131,552 | 12 Mar 2026 | Direct | ||
| Philip Ryan Jurkovic | CSTM | Ordinary shares | Award | 4.85% | 10,210 | 220,933 | 12 Mar 2026 | Direct | ||
| Ludovic Piquier | CSTM | Ordinary shares | Award | 2.31% | 5,469 | 242,713 | 12 Mar 2026 | Direct | ||
| Marcus Becker | CSTM | Ordinary shares | Award | 11.8% | 3,938 | 37,175 | 12 Mar 2026 | Direct | ||
| Ingrid Joerg | CSTM | Ordinary shares | Award | 8.29% | 31,358 | 409,448 | 12 Mar 2026 | Direct | ||
| Matthew B. Perkins | CSTM | Ordinary shares | Award | 44.4% | 10,210 | 33,212 | 12 Mar 2026 | Direct | ||
| Niklaus Schild | CSTM | Ordinary shares | Award | 9.49% | 3,355 | 38,703 | 12 Mar 2026 | Direct | ||
| Philippe Hoffmann | CSTM | Ordinary shares | Award | 6.61% | 12,033 | 194,153 | 12 Mar 2026 | Direct | ||
| Stephane Corre | CSTM | Ordinary shares | Award | 11.2% | 7,293 | 72,313 | 12 Mar 2026 | Direct | ||
| Jack Q. Guo | CSTM | Ordinary shares | Award | 10.3% | 19,690 | 210,569 | 12 Mar 2026 | Direct | ||
| Stephane Corre | CSTM | Ordinary shares | Sale | -2.25% | $38,835 | $25.89 | -1,500 | 65,020 | 10 Mar 2026 | Direct |
| Philippe Hoffmann | CSTM | Ordinary shares | Sale | -2.53% | $122,313 | $25.87 | -4,728 | 182,120 | 10 Mar 2026 | Direct |
| Marcus Becker | CSTM | Ordinary shares | Sale | -3.24% | $28,793 | $25.87 | -1,113 | 33,237 | 10 Mar 2026 | Direct |
| Ingrid Joerg | CSTM | Ordinary shares | Sale | -1.21% | $119,364 | $25.87 | -4,614 | 378,090 | 10 Mar 2026 | Direct |
| Jack Q. Guo | CSTM | Ordinary shares | Sale | -17.9% | $1,079,219 | $25.87 | -41,717 | 190,879 | 10 Mar 2026 | Direct |
| Philip Ryan Jurkovic | CSTM | Ordinary shares | Sale | -12.4% | $773,513 | $25.87 | -29,900 | 210,723 | 10 Mar 2026 | Direct |
| Stephane Corre | CSTM | Ordinary shares | Purchase | 13.7% | 8,026 | 66,520 | 09 Mar 2026 | Direct | ||
| Philippe Hoffmann | CSTM | Ordinary shares | Purchase | 61.5% | 71,132 | 186,848 | 09 Mar 2026 | Direct | ||
| Marcus Becker | CSTM | Ordinary shares | Purchase | 73.8% | 14,592 | 34,350 | 09 Mar 2026 | Direct | ||
| Ingrid Joerg | CSTM | Ordinary shares | Award | 22.8% | 71,132 | 382,704 | 09 Mar 2026 | Direct | ||
| Jack Q. Guo | CSTM | Ordinary shares | Award | 48.4% | 75,874 | 232,596 | 09 Mar 2026 | Direct | ||
| Philip Ryan Jurkovic | CSTM | Ordinary shares | Award | 32.7% | 59,276 | 240,623 | 09 Mar 2026 | Direct | ||
| Ludovic Piquier | CSTM | Ordinary shares | Award | 14.7% | 30,350 | 237,244 | 09 Mar 2026 | Direct | ||
| Niklaus Schild | CSTM | Ordinary shares | Award | 16.9% | 5,106 | 35,348 | 09 Mar 2026 | Direct | ||
| Nicolas Brun | CSTM | Ordinary shares | Award | 22.9% | 23,710 | 127,176 | 09 Mar 2026 | Direct | ||
| Nicolas Brun | CSTM | Ordinary shares | Sale | -14.6% | $436,684 | $24.67 | -17,701 | 103,466 | 09 Mar 2026 | Direct |
| Philippe Hoffmann | CSTM | Ordinary shares | Sale | -59.1% | $2,115,700 | $26.45 | -80,000 | 55,425 | 04 Mar 2026 | Direct |
| Jean-Christophe Deslarzes | CSTM | Ordinary shares | Purchase | 4.27% | $41,242 | $24.77 | 1,665 | 40,700 | 02 Mar 2026 | Direct |
| Stephane Corre | CSTM | Ordinary shares | Sale | -6.32% | $74,070 | $24.69 | -3,000 | 44,444 | 27 Feb 2026 | Direct |
| Isabelle Boccon-Gibod | CSTM | Ordinary shares | Sale | -30.3% | $257,700 | $25.77 | -10,000 | 23,000 | 26 Feb 2026 | Direct |
| Stephane Corre | CSTM | Ordinary shares | Sale | -6.32% | $82,262 | $25.71 | -3,200 | 47,444 | 25 Feb 2026 | Direct |
| Stephen Charles Walters | CSTM | Ordinary shares | Sale | -100% | $38,085 | $25.39 | -1,500 | 0 | 23 Feb 2026 | Direct |
| Marcus Becker | CSTM | Ordinary shares | Sale | -100% | $398,270 | $25.58 | -15,570 | 0 | 20 Feb 2026 | Direct |
* marks a reported price that did not pass the local price check.