ArcelorMittal
248 hedge funds and large institutions have $1.04B invested in ArcelorMittal in 2025 Q3 according to their latest regulatory filings, with 52 funds opening new positions, 81 increasing their positions, 77 reducing their positions, and 33 closing their positions.
72% more call options, than puts
Call options by funds: $180M | Put options by funds: $104M
58% more first-time investments, than exits
New positions opened: 52 | Existing positions closed: 33
8% more capital invested
Capital invested by funds: $960M → $1.04B (+$80.4M)
8% more funds holding
Funds holding: 230 → 248 (+18)
5% more repeat investments, than reductions
Existing positions increased: 81 | Existing positions reduced: 77
0.2% less ownership
Funds ownership: 3.55% → 3.36% (-0.2%)
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MRCP
Maple Rock Capital Partners
Toronto,
Ontario, Canada
|
+$38.6M |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$31.9M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$19.3M |
| 4 |
Man Group
London,
United Kingdom
|
+$10.9M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
+$8.32M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SSA
Schonfeld Strategic Advisors
New York
|
-$22.8M |
| 2 |
Voloridge Investment Management
Jupiter,
Florida
|
-$16.5M |
| 3 |
AA
ABC Arbitrage
Paris,
France
|
-$14.7M |
| 4 |
Optiver Holding
Amsterdam,
Netherlands
|
-$14.1M |
| 5 |
TAM
Telemark Asset Management
Boston,
Massachusetts
|
-$12.6M |
MT Hedge Fund Activity: Q3 2025 in Review
248 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in ArcelorMittal (MT) for Q3 2025, worth a combined $1.04B — up 8.4% from $960M a quarter earlier.
Buyers outnumbered sellers: 52 funds opened new MT positions and 33 closed out — a net gain of 19 holders — while 81 added to existing stakes and 77 trimmed.
The largest buyer was Maple Rock Capital Partners, opening a new position worth an estimated $38.6M. The largest seller was Schonfeld Strategic Advisors, cutting an estimated $22.8M.
- 248 institutional investors held ArcelorMittal (MT) as of Q3 2025, up from 230 in Q2 2025.
- Funds reported $1.04B of ArcelorMittal stock for Q3 2025, up 8.4% quarter-over-quarter.
- 52 funds opened new ArcelorMittal positions in Q3 2025 and 33 closed out, a net change of +19 holders.
- The largest ArcelorMittal buyer in Q3 2025 was Maple Rock Capital Partners, an estimated $38.6M added.
- The largest ArcelorMittal seller in Q3 2025 was Schonfeld Strategic Advisors, an estimated $22.8M sold.
Based on aggregated 13F filings for Q3 2025.