Comparable stake leader
FMR LLC
SEC ownership of ArcelorMittal
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001243429.
Disclosed value leader
FMR LLC
Comparable rows
0/50
Latest evidence
30 Jun 2026
- Public ticker
- MT on NYSE
- Parsed ownership sources
-
13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
FMR LLC
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001243429
- Issuer location
- Grand Duchy Of Luxembourg, Luxembourg
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of ArcelorMittal (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
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
0/50
Latest evidence
30 Jun 2026
13F
Highest disclosed value: $685,991,127
50 rows are not safely comparable across share classes.
Showing 1-8 of 50 holder rows.
Quick read
FMR LLC has the largest disclosed position value at $685.99M.
0 of 50 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 FMR LLC's linked filing trail.
Disclosed position value
Top 5
FMR LLC
$685.99M
DIMENSIONAL FUND ADVISORS LP
$195.92M
Maple Rock Capital Partners Inc.
$131.93M
MORGAN STANLEY
$90.55M
BlackRock, Inc.
$88.6M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| FMR LLC |
13F
Company
|
—
class O/S missing
|
$685,991,127
11,391,416 shares
|
— | 30 Jun 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
class O/S missing
|
$195,915,055
3,253,361 shares
|
— | 30 Jun 2026 |
| Maple Rock Capital Partners Inc. |
13F
Company
|
—
class O/S missing
|
$131,933,589
2,190,860 shares
|
— | 30 Jun 2026 |
| MORGAN STANLEY |
13F
Company
|
—
class O/S missing
|
$90,551,685
1,503,680 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
Company
|
—
class O/S missing
|
$88,598,875
1,471,254 shares
|
— | 30 Jun 2026 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
—
class O/S missing
|
$78,255,866
1,299,500 shares
|
— | 30 Jun 2026 |
| Castle Hook Partners LP |
13F
Company
|
—
class O/S missing
|
$77,692,652
1,290,147 shares
|
— | 30 Jun 2026 |
| Bank of New York Mellon Corp |
13F
Company
|
—
class O/S missing
|
$56,729,661
942,040 shares
|
— | 30 Jun 2026 |
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.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 21 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Recent insider transactions for ArcelorMittal
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.