TENARIS SA-ADR (TS) Institutional Ownership
TS is currently held by 2 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $186.55M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.
The largest disclosed holder is Renaissance Technologies LLC, which reported ownership valued at approximately $186.16M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, Renaissance Technologies LLC's TS position is now estimated to be worth approximately $189.14M, representing an estimated gain of +1.60% since the filing period.
Major shareholders tracked on this page include Renaissance Technologies LLC, Sequoia Financial Advisors, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.
This page tracks institutional position trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward TENARIS SA-ADR (TS).
Institutional Ownership Trend
| Portfolio quarter | Institutional holders | Total reported value | Total shares |
|---|---|---|---|
| Q1 2026 | 2 | $186,554,630 | 3,206,508 |
| Q4 2025 | 2 | $114,235,134 | 2,971,005 |
| Q3 2025 | 2 | $120,061,067 | 3,356,474 |
| Q2 2025 | 1 | $108,143,746 | 2,891,544 |
| Q1 2025 | 1 | $105,708,229 | 2,702,844 |
| Q4 2024 | 1 | $95,190,894 | 2,518,944 |
| Q3 2024 | 1 | $89,620,588 | 2,819,144 |
| Q2 2024 | 1 | $79,109,183 | 2,592,044 |
| Q1 2024 | 1 | $69,608 | 1,772,544 |
| Q4 2023 | 1 | $28,898 | 831,344 |
| Q3 2023 | 1 | $46,829 | 1,481,944 |
| Q2 2023 | 1 | $54,825 | 1,830,544 |
Related TS Institutional Insights:
- TS Institutional Ownership & Insiders Activity
- TS Institutional Ownership & 13F Activity
- TS Top Institutional Shareholders
- TS Institutional Buying Activity
- TS Institutional Selling Activity
- Energy Sector Institutional Ownership
- Energy Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Energy Stocks By Institutional Investors
- Most Sold Energy Stocks By Institutional Investors
- TS Insider Trading & SEC Form 4 Activity
- Top Institutional Investor Stock Rankings