Tenaris SA
TS- Exchange
- NYSE
- Industry
- Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
- SEC CIK
- 0001190723
No open-market purchases or sales by Tenaris SA insiders were filed in the last 90 days; 285 institutions reported holding it in 13F filings for Q2 2026, worth $2.13B in total; no superinvestor holds it.
Other share classesTNRSF
Q3 2025 vs. Q2 2025
How the institutions holding Tenaris SA changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Of which not filed for Q3 2025 | Q3 2025 | Change |
|---|---|---|---|---|
| Holders | 223 | 3 | 223 | +3 |
| Shares | 45.9M | 497 | 35.7M | −10.2M (−22.2%) |
| Value | $1.71B | $18.6K | $1.28B | −$431.2M (−25.2%) |
3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (37)
Institutions that held Tenaris SA at the end of Q3 2025 but not at the end of Q2 2025.
Sold out (34)
Institutions that held Tenaris SA at the end of Q2 2025 and filed for Q3 2025 without it.
Not filed for Q3 2025 yet (3)
Institutions that held Tenaris SA at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Atlas Capital Advisors LLC | 438 | $16.4K |
| First Horizon Advisors, Inc. | 53 | $1.98K |
| Financial Gravity Companies, Inc. | 6 | $224 |