13F Insight
DOSSIER · 13F Holders · Q2 2026Basic Materials · Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
MT

ARCELORMITTAL SA LUXEMBOURG

332 institutions still hold ARCELORMITTAL SA LUXEMBOURG as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 03938L203·Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)·332 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$1.8B
visible holders
Holders
332
filers reporting
Concentration
37.20%
FMR LLC #1
top holder share
AI Holders Summary · Q2 2026

332 institutions reported MT in Q2 2026. FMR LLC leads at 37.2% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
FMR LLC
CIK 0000315066
$686M11.4M0.03%Q2 202602
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$196M3.3M0.04%Q2 202603
Maple Rock Capital Partners Inc.
CIK 0001658363
$132M2.2M2.59%Q2 202604
GOLDMAN SACHS GROUP INC
CIK 0000886982
$94M1.6M0.01%Q2 202605
MORGAN STANLEY
CIK 0000895421
$91M1.5M0.00%Q2 202606
BlackRock, Inc.
CIK 0002012383
$89M1.5M0.00%Q2 202607
Castle Hook Partners LP
CIK 0001687241
$78M1.3M0.36%Q2 202608
Bank of New York Mellon Corp
CIK 0001390777
$57M942K0.01%Q2 202609
Connor, Clark & Lunn Investment Management Ltd.
CIK 0001596800
$56M934K0.11%Q2 202610
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$50M828K0.02%Q2 202611
Man Group plc
CIK 0001637460
$46M756K0.07%Q2 202612
Retirement Systems of Alabama
CIK 0001593051
$41M674K0.12%Q2 202613
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$40M766K0.01%Q1 202614
CITADEL ADVISORS LLC
CIK 0001423053
$34M560K0.00%Q2 202615
BANK OF AMERICA CORP /DE/
CIK 0000070858
$32M525K0.00%Q2 202616
NORTHERN TRUST CORP
CIK 0000073124· Index
$30M496K0.00%Q2 202617
VAN ECK ASSOCIATES CORP
CIK 0000869178
$28M473K0.02%Q2 202618
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$23M380K0.00%Q2 202619
Quantinno Capital Management LP
CIK 0001759654
$22M369K0.03%Q2 202620
Walleye Trading LLC
CIK 0001388391
$22M364K0.03%Q2 2026
Page 1 of 17
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