13F Insight
DOSSIER · 13F Holders · Q2 2026

CONSTELLIUM SE

399 institutions still hold CONSTELLIUM SE as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP F21107101·399 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$2.3B
visible holders
Holders
399
filers reporting
Concentration
18.06%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

399 institutions reported CONSTELLIUM SE in Q2 2026. BlackRock, Inc. leads at 18.1% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$408M12.8M0.01%Q2 202602
Bpifrance SA
CIK 0001731118
$268M8.4M19.67%Q2 202603
MORGAN STANLEY
CIK 0000895421
$197M6.2M0.01%Q2 202604
Vanguard Portfolio Management
CIK 0002100121· Index
$140M4.4M0.01%Q2 202605
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$135M4.2M0.06%Q2 202606
T. Rowe Price Investment Management, Inc.
CIK 0001897612
$97M4.0M0.07%Q1 202607
STATE STREET CORP
CIK 0000093751
$94M3.0M0.00%Q2 202608
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$91M2.8M0.04%Q2 202609
Nuveen, LLC
CIK 0001871926
$88M2.8M0.02%Q2 202610
Kinetic Partners Management, LP
CIK 0001911448
$81M2.5M1.93%Q2 202611
Encompass Capital Advisors LLC
CIK 0001541901
$77M2.4M2.75%Q2 202612
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$77M2.4M0.03%Q2 202613
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
CIK 0001535845
$73M2.3M0.10%Q2 202614
FMR LLC
CIK 0000315066
$70M2.2M0.00%Q2 202615
GOLDMAN SACHS GROUP INC
CIK 0000886982
$66M2.1M0.01%Q2 202616
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$62M2.0M0.02%Q2 202617
BRIGHTLINE CAPITAL MANAGEMENT, LLC
CIK 0001432450
$61M1.9M13.28%Q2 202618
Delaware Management Holdings, Inc.
CIK 0000921739
$59M1.9M0.09%Q2 202619
D. E. Shaw & Co., Inc.
CIK 0001009207
$58M3.1M0.03%Q4 202520
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$57M1.8M0.00%Q2 2026
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