CUSIP 88031M109SPONSORED ADSTSQ4 2025
12 filings · latest Feb 10, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 10, 2026 | Rocca &Amp; Partners Stichting Administratiekantoor Aandelen San Faustin | 13D/A | 68.6% | — | SEC |
| 2 | Dec 17, 2025 | Rocca &Amp; Partners Stichting Administratiekantoor Aandelen San Faustin | 13D/A | 69.7% | — | SEC |
| 3 | Sep 19, 2025 | Rocca &Amp; Partners Stichting Administratiekantoor Aandelen San Faustin | 13D/A | 68.5% | — | SEC |
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Westwood Global Investments, LLC | 7.27M | $279.62M |
| 2 | Renaissance Technologies LLC | 2.96M | $113.98M |
| 3 | Wellington Management Group LLP | 2.68M | $103.13M |
| 4 | Fmr LLC | 2.20M | $84.54M |
| 5 | Dimensional Fund Advisors LP | 1.23M | $47.48M |
| 6 | Morgan Stanley | 1.17M | $44.97M |
| 7 | Citadel Advisors LLC | 932.4K | $35.85M |
| 8 | Goldman Sachs Group Inc | 819.6K | $31.51M |
| 9 |
| 4 | Jul 8, 2025 | Rocca &Amp; Partners Stichting Administratiekantoor Aandelen San Faustin | 13D/A | 67.5% | — | SEC |
| 5 | Feb 25, 2025 | Rocca &Amp; Partners Stichting Administratiekantoor Aandelen San Faustin | 13D/A | 66.5% | — | SEC |
| 6 | Dec 9, 2024 | San Faustin S.A. | 13D/A | 65.5% | 713.61M | SEC |
| 7 | Jul 30, 2024 | San Faustin S.A. | 13D/A | 64.3% | 713.61M | SEC |
| 8 | Jun 4, 2024 | San Faustin S.A. | 13D/A | 62.8% | 713.61M | SEC |
| 9 | Jan 22, 2024 | San Faustin S.A. | 13D/A | 61.4% | 713.61M | SEC |
| 10 | Nov 3, 2023 | San Faustin S.A. | 13D/A | 60.4% | 713.61M | SEC |
See the full Schedule 13D/13G history for Tenaris S A.
Unlock full history| Blackrock, Inc. |
| 696.4K |
| $26.78M |
| 10 | Massachusetts Financial Services Co /Ma/ | 656.4K | $25.24M |