Tenaris
216 hedge funds and large institutions have $1.01B invested in Tenaris in 2025 Q3 according to their latest regulatory filings, with 35 funds opening new positions, 81 increasing their positions, 63 reducing their positions, and 33 closing their positions.
New
Increased
Maintained
Reduced
Closed
more funds holding in top 10
Funds holding in top 10: →
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more first-time investments, than exits
New positions opened: | Existing positions closed:
more call options, than puts
Call options by funds: $ | Put options by funds: $
1.71% less ownership
Funds ownership: 6.55% → 4.83% (-1.7%)
2% less funds holding
Funds holding: 220 → 216 (-4)
29% less capital invested
Capital invested by funds: $1.42B → $1.01B (-$410M)
Holders
216
Holding in Top 10
3
Calls
$5.22M
Puts
$4.97M
Top Buyers
| 1 | +$21.1M | |
| 2 | +$16.4M | |
| 3 | +$13.4M | |
| 4 |
AA
ABC Arbitrage
Paris,
France
|
+$11M |
| 5 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$8.62M |
Top Sellers
| 1 | -$115M | |
| 2 | -$66.1M | |
| 3 | -$61.2M | |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$47.1M |
| 5 |
Capstone Investment Advisors
New York
|
-$34.5M |
