ArcelorMittal
MT- Exchange
- NYSE
- Industry
- Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
- SEC CIK
- 0001243429
No open-market purchases or sales by ArcelorMittal insiders were filed in the last 90 days; 318 institutions reported holding it in 13F filings for Q2 2026, worth $2.25B in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +22 vs. previous quarter
- 318
- 13F valueReported value at the end of Q2 2026
- $2.25B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding MT, Q2 2026
No superinvestor reported holding MT at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by ArcelorMittal insiders from Form 4, newest first.
No open-market purchases or sales by ArcelorMittal insiders are on file.
Top 10 13F holders, Q2 2026
The largest institutional positions in ArcelorMittal at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 11,391,416 | $686.0M | 0.03% | +9,833,857+631.4% | Added |
| Dimensional Fund Advisors LP | 3,253,361 | $195.9M | 0.04% | +20,866+0.6% | Added |
| Maple Rock Capital Partners Inc. | 2,190,860 | $131.9M | 2.59% | +776,595+54.9% | Added |
| Morgan Stanley | 1,503,680 | $90.6M | 0.00% | −503,844−25.1% | Reduced |
| BlackRock, Inc. | 1,471,254 | $88.6M | 0.00% | +41,696+2.9% | Added |
| Goldman Sachs Group Inc | 1,299,500 | $78.3M | 0.01% | −23,423−1.8% | Reduced |
| Castle Hook Partners LP | 1,290,147 | $77.7M | 0.83% | +1,290,147 | New |
| Bank of New York Mellon Corp | 942,040 | $56.7M | 0.01% | −162,361−14.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 934,168 | $56.3M | 0.11% | +43,710+4.9% | Added |
| American Century Companies Inc | 828,040 | $49.9M | 0.02% | +81,125+10.9% | Added |