Tenaris
221 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.
New
Increased
Maintained
Reduced
Closed
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more ownership
Funds ownership: →
less first-time investments, than exits
New positions opened: | Existing positions closed:
less funds holding
Funds holding: →
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)
Holders
221
Holding in Top 10
3
Calls
$7.46M
Puts
$11.3M
Top Buyers
| 1 | +$21.8M | |
| 2 | +$17.4M | |
| 3 | +$17.1M | |
| 4 |
Capstone Investment Advisors
New York
|
+$12.7M |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
+$12.6M |
Top Sellers
| 1 | -$93.4M | |
| 2 | -$70.1M | |
| 3 | -$46.9M | |
| 4 |
MIM
Merewether Investment Management
Dallas,
Texas
|
-$26.1M |
| 5 |
Morgan Stanley
New York
|
-$24.4M |