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Tenaris
229 hedge funds and large institutions have $1.27B invested in Tenaris in 2025 Q4 according to their latest regulatory filings, with 48 funds opening new positions, 76 increasing their positions, 69 reducing their positions, and 37 closing their positions.
New
Increased
Maintained
Reduced
Closed
30% more first-time investments, than exits
New positions opened: 48 | Existing positions closed: 37
10% more repeat investments, than reductions
Existing positions increased: 76 | Existing positions reduced: 69
4% more funds holding
Funds holding: 221 → 229 (+8)
0.47% less ownership
Funds ownership: 6.14% → 5.67% (-0.47%)
1% less capital invested
Capital invested by funds: $1.28B → $1.27B (-$9.7M)
42% less call options, than puts
Call options by funds: $3.39M | Put options by funds: $5.83M
50% less funds holding in top 10
Funds holding in top 10: 4 → 2 (-2)
Holders
229
Holders Change
+8
Holders Change %
+3.62%
% of All Funds
2.78%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
48
Increased
76
Reduced
69
Closed
37
Calls
$3.39M
Puts
$5.83M
Net Calls
-$2.44M
Net Calls Change
-$2.69M
Top Buyers
| 1 |
Citadel Advisors
Miami,
Florida
|
+$35.5M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
+$21.1M |
| 3 |
Invesco
Atlanta,
Georgia
|
+$17.6M |
| 4 |
VanEck Associates
New York
|
+$15.8M |
| 5 |
Point72 Asset Management
Stamford,
Connecticut
|
+$10.3M |
Top Sellers
| 1 |
ECA
Encompass Capital Advisors
New York
|
-$51.2M |
| 2 |
Optiver Holding
Amsterdam,
Netherlands
|
-$32.4M |
| 3 |
AA
ABC Arbitrage
Paris,
France
|
-$27.7M |
| 4 |
Millennium Management
New York
|
-$16.1M |
| 5 |
Renaissance Technologies
New York
|
-$14.9M |
