Follow-The-Filings

Security · featured owners

MT Arcelormittal SA Luxembourg

Industrials NY REGISTRY SH Equity as of 2026 Q2 among managers we track

  • 3 Owners
  • Max 0.1%
  • $4M
  • 3 reduce

MT (Arcelormittal SA Luxembourg) is held in 3 featured 13F books as of 2026 Q2. Senator Investment Group is the largest tracked holder by portfolio weight (0.09%). Figures are as-filed 13F, not free float.

Who owns this now

Largest portfolio weights among featured holders · max 0.1% (Senator Investment Group) · not free-float ownership

  1. Senator Investment Group reduce 0.09%
  2. Sarah Ketterer reduce 0.01%

holders

sorted by value · long equity only · current book 2026 Q2 · open a manager for their book

history
Senator Investment Group 2026 Q2 0.09% Reduce −87.9% 41,258 $2M history
Sarah Ketterer - Causeway Capital Management 2026 Q2 0.01% Reduce −91.7% 22,155 $1M history
Richard Pzena - Pzena Investment Management 2026 Q2 <0.01% Reduce −55.6% 8,180 $493K history

SEC filings

Recent issuer filings from EDGAR · 25 shown · open Filing / Doc on SEC.gov

Filed Form Detail Links
6-K
6-K
6-K
6-K
6-K
6-K
6-K
6-K
6-K
6-K
6-K
6-K
6-K FORM 6-K
6-K
6-K
6-K FORM 6-K
6-K FORM 6-K
424B5
6-K CURRENT REPORT OF FOREIGN ISSUER
424B5
6-K
6-K
6-K
6-K
6-K

financials

US-GAAP annual · as tagged in Form 10-K

newly public · no 10-K financials yet · 424B5

ownership over time

filing count by report period · click a bar for that quarter’s holders