Tenaris S. A. (TS)
Tenaris S. A. (TS) is listed on the New York Stock Exchange, where it has traded since December 16, 2002.
- Listed On
- the New York Stock Exchange
- Listed Since
- December 16, 2002
- Employees
- 24,875
- Market Cap
- $30.5B
About Tenaris S. A.
Tenaris SA is engaged in the manufacture and supply of steel pipe products and related services for the energy industry and other industrial applications. The company has one reportable segment, Tubes, which includes the production and sale of steel tubular products such as OCTG, line pipe, and mechanical and structural tubes, mainly for the oil and gas industry. It operates an integrated network of manufacturing, research, and service facilities across the Americas, Europe, the Middle East, Asia, and Africa.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 278 institutions reported holding TS, with 38.3 million shares worth $2.1 billion in aggregate. The largest reported holder was FMR, with 6.8 million shares worth $375.2 million. Of the 5 largest holders listed below, 2 added shares and 3 reduced their positions during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| FMR | 6,760,952 | $375M | Reduced 18.07% |
| Renaissance Technologies | 3,056,044 | $170M | Reduced 4.49% |
| Van Eck Associates | 2,478,526 | $138M | Reduced 14.33% |
| Wellington Management | 2,458,033 | $136M | Added 2.2% |
| T. Rowe Price | 1,502,839 | $83M | Added 3.99% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is TS?
Tenaris S. A. (TS) is listed on the New York Stock Exchange, where it has traded since December 16, 2002.
Who are the largest institutional holders of TS?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of TS were FMR, Renaissance Technologies and Van Eck Associates.
How many institutions own TS?
278 institutions reported a position in TS for the quarter ended June 30, 2026, worth $2.1 billion in total.
Did institutions buy or sell TS last quarter?
Of the 5 largest reported holders, 2 added shares and 3 reduced their positions during the quarter. Every reported holder and its change is on the SentiSense ownership page for TS.
Every reported institutional holder, plus insider and congressional trades in TS, on SentiSense.