CONSTELLIUM SE - Ordinary Shares, nominal value EUR0.02 per share (CSTM)

CUSIP: F21107101

Q2 2025 13F Holders as of 30 Jun 2025

Holder snapshot 7 signals
Share change
-176,511
Put/Call ratio
37%
SEC-reported price per share
$13.30
Number of holders
220
Value change
+$26,240,393
Number of buys
134
Open additional details 1 more signal available
Number of sells
109
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
135,546,823

Security key

F21107101

Report period

Q2 2025

Institutions

220

Top holders

10

Ownership snapshot

Top reported holders of CSTM - CONSTELLIUM SE - Ordinary Shares, nominal value EUR0.02 per share (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
BlackRock, Inc.
Disclosed value leader
T. Rowe Price Investment ...
Comparable rows
15/15
Latest evidence
30 Jun 2025
13D/G 13F Lead comparable stake: 5.8% 13D/G row: BlackRock, Inc. Showing 1-6 of 15 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 5.8%.

15 of 15 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 BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 5.8%
T. Rowe Price Investment Manageme... 14%
FMR LLC 11%
Bpifrance SA 9.3%
WESTWOOD HOLDINGS GROUP INC 4.8%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13D/G 13F
Company
5.8%
$110,045,038
8,274,063 shares
+$14,694,811 30 Jun 2025
T. Rowe Price Investment Management, Inc.
13F
Company
13F
14%
$193,722,000
19,199,315 shares
31 Mar 2025
FMR LLC
13F
Company
13F
11%
$144,814,647
14,352,294 shares
31 Mar 2025
Bpifrance SA
13F
Company
13F
9.3%
$127,072,481
12,593,903 shares
31 Mar 2025
WESTWOOD HOLDINGS GROUP INC
13F
Company
13F
4.8%
$65,772,684
6,518,601 shares
31 Mar 2025
Nut Tree Capital Management, LP
13F
Company
13F
4.2%
$57,068,031
5,655,900 shares
31 Mar 2025
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.

13F holder rows

Institutional holders as of Q2 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
220
Shares
131,403,730
Rows available
220
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
219
Q2 2025 holders
220
Holder diff
1
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 value Q2 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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