Tenaris
217 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, 82 increasing their positions, 63 reducing their positions, and 34 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 call options, than puts
Call options by funds: $ | Put options by funds: $
more first-time investments, than exits
New positions opened: | Existing positions closed:
1% less funds holding
Funds holding: 220 → 217 (-3)
1.71% less ownership
Funds ownership: 6.55% → 4.83% (-1.7%)
29% less capital invested
Capital invested by funds: $1.42B → $1.01B (-$410M)
Holders
217
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 |
