ArcelorMittal
320 hedge funds and large institutions have $2.25B invested in ArcelorMittal in 2026 Q2 according to their latest regulatory filings, with 61 funds opening new positions, 89 increasing their positions, 115 reducing their positions, and 39 closing their positions.
144% more capital inflows, than outflows
Capital inflows: $934M | Capital outflows: $382M
56% more first-time investments, than exits
New positions opened: 61 | Existing positions closed: 39
6% more funds holding
Funds holding: 302 → 320 (+18)
1.1% more ownership
Funds ownership: 3.71% → 4.82% (+1.1%)
7% less call options, than puts
Call options by funds: $105M | Put options by funds: $113M
23% less repeat investments, than reductions
Existing positions increased: 89 | Existing positions reduced: 115
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$615M |
| 2 |
Castle Hook Partners
New York
|
+$80.7M |
| 3 |
Maple Rock Capital Partners
Toronto,
Ontario, Canada
|
+$48.6M |
| 4 |
SAM
Scopus Asset Management
New York
|
+$31.3M |
| 5 |
Merewether Investment Management
Dallas,
Texas
|
+$22.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of Montreal
Toronto,
Ontario, Canada
|
-$49.4M |
| 2 |
Morgan Stanley
New York
|
-$31.5M |
| 3 |
Jane Street
New York
|
-$26.6M |
| 4 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$19.1M |
| 5 |
Senator Investment Group
New York
|
-$18.8M |
MT Hedge Fund Activity: Q2 2026 in Review
320 of the 8,358 institutional investors tracked by Wall St. Rank reported a position in ArcelorMittal (MT) for Q2 2026, worth a combined $2.25B — up 50% from $1.49B a quarter earlier.
Buyers outnumbered sellers: 61 funds opened new MT positions and 39 closed out — a net gain of 22 holders — while 89 added to existing stakes and 115 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $615M. The largest seller was Bank of Montreal, cutting an estimated $49.4M.
- 320 institutional investors held ArcelorMittal (MT) as of Q2 2026, up from 302 in Q1 2026.
- Funds reported $2.25B of ArcelorMittal stock for Q2 2026, up 50% quarter-over-quarter.
- 61 funds opened new ArcelorMittal positions in Q2 2026 and 39 closed out, a net change of +22 holders.
- The largest ArcelorMittal buyer in Q2 2026 was Fidelity Investments, an estimated $615M added.
- The largest ArcelorMittal seller in Q2 2026 was Bank of Montreal, an estimated $49.4M sold.
Based on aggregated 13F filings for Q2 2026.