Tenaris
222 hedge funds and large institutions have $1.71B invested in Tenaris in 2025 Q2 according to their latest regulatory filings, with 37 funds opening new positions, 88 increasing their positions, 68 reducing their positions, and 38 closing their positions.
29% more repeat investments, than reductions
Existing positions increased: 88 | Existing positions reduced: 68
3.46% more ownership
Funds ownership: 4.43% → 7.89% (+3.5%)
3% less first-time investments, than exits
New positions opened: 37 | Existing positions closed: 38
2% less funds holding
Funds holding: 226 → 222 (-4)
15% less capital invested
Capital invested by funds: $2.01B → $1.71B (-$305M)
34% less call options, than puts
Call options by funds: $7.46M | Put options by funds: $11.3M
40% less funds holding in top 10
Funds holding in top 10: 5 → 3 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SG
Sourcerock Group
Denver,
Colorado
|
+$21.8M |
| 2 |
SCM
SIR Capital Management
New York
|
+$17.4M |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$17.1M |
| 4 |
Capstone Investment Advisors
New York
|
+$12.7M |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
+$12.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ACM
Alua Capital Management
New York
|
-$93.4M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$70.1M |
| 3 |
Holocene Advisors
New York
|
-$46.9M |
| 4 |
MIM
Merewether Investment Management
Dallas,
Texas
|
-$26.1M |
| 5 |
Morgan Stanley
New York
|
-$24.4M |
TS Hedge Fund Activity: Q2 2025 in Review
222 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Tenaris (TS) for Q2 2025, worth a combined $1.71B — down 15% from $2.01B a quarter earlier.
Sellers outnumbered buyers: 38 funds closed out of TS and 37 opened new positions — a net loss of 1 holder — while 68 trimmed existing stakes and 88 added.
The largest buyer was Sourcerock Group, adding an estimated $21.8M. The largest seller was Alua Capital Management, exiting entirely with an estimated $93.4M sold.
- 222 institutional investors held Tenaris (TS) as of Q2 2025, down from 226 in Q1 2025.
- Funds reported $1.71B of Tenaris stock for Q2 2025, down 15% quarter-over-quarter.
- 37 funds opened new Tenaris positions in Q2 2025 and 38 closed out, a net change of -1 holder.
- The largest Tenaris buyer in Q2 2025 was Sourcerock Group, an estimated $21.8M added.
- The largest Tenaris seller in Q2 2025 was Alua Capital Management, an estimated $93.4M sold.
Based on aggregated 13F filings for Q2 2025.