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Tenaris
263 hedge funds and large institutions have $2.29B invested in Tenaris in 2026 Q1 according to their latest regulatory filings, with 70 funds opening new positions, 85 increasing their positions, 67 reducing their positions, and 31 closing their positions.
New
Increased
Maintained
Reduced
Closed
126% more first-time investments, than exits
New positions opened: 70 | Existing positions closed: 31
125% more call options, than puts
Call options by funds: $27.3M | Put options by funds: $12.1M
81% more capital invested
Capital invested by funds: $1.27B → $2.29B (+$1.02B)
27% more repeat investments, than reductions
Existing positions increased: 85 | Existing positions reduced: 67
15% more funds holding
Funds holding: 229 → 263 (+34)
1.1% more ownership
Funds ownership: 5.67% → 6.77% (+1.1%)
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
Holders
263
Holders Change
+34
Holders Change %
+14.85%
% of All Funds
3.24%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
70
Increased
85
Reduced
67
Closed
31
Calls
$27.3M
Puts
$12.1M
Net Calls
+$15.2M
Net Calls Change
+$17.6M
Top Buyers
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$298M |
| 2 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
+$43.8M |
| 3 |
VanEck Associates
New York
|
+$43M |
| 4 |
Invesco
Atlanta,
Georgia
|
+$30.7M |
| 5 |
CAMG
CWA Asset Management Group
Naples,
Florida
|
+$25M |
Top Sellers
| 1 |
Citadel Advisors
Miami,
Florida
|
-$31.5M |
| 2 |
WGI
Westwood Global Investments
Boston,
Massachusetts
|
-$29.5M |
| 3 |
D.E. Shaw & Co
New York
|
-$18.1M |
| 4 |
MVP
Medina Value Partners
Los Angeles,
California
|
-$15.2M |
| 5 |
Wellington Management Group
Boston,
Massachusetts
|
-$13.7M |
