TENARIS SA (TS) Stock
TS has an Alpha Score of 64 out of 100 (moderate), computed on Oct 30, 2026 from 3 of 4 sub-scores. 4 members of Congress disclosed 5 trades in TS since 2014: 1 purchase and 4 sales, most recently Greg Gianforte (sale, Mar 4, 2019). 7 of the hedge funds AlphaScala tracks reported TS in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Renaissance Technologies's at $169.58M. Its trailing P/E ratio is 15.3 and its net margin 15.9% (key statistics as of Nov 5, 2026).
What is TS's Alpha Score?
How it works →Alpha Score of 64 reflects moderate overall profile with strong momentum, moderate value, moderate quality. Based on 3 of 4 signals – score is capped at 90 until remaining data ingests.
Computed from 3 of 4 sub-scores; a sub-score is left out when its inputs are missing, and the composite is capped accordingly.
Computed Oct 30, 2026
A rules-based research rating, not a recommendation to buy or sell.
Which members of Congress traded TENARIS SA (TS)?
Most recent: Greg Gianforte (sale, Mar 4, 2019); records start Jun 12, 2014.
| Politician | Trade date | Type | Amount |
|---|---|---|---|
| Greg Gianforte R-MT · House | 2019-03-04 | sale | $50k – $100k |
| Josh Gottheimer D-NJ · House | 2019-02-15 | sale | $1k – $15k |
| Donna Shalala D-FL · House | 2019-02-15 | sale | $1k – $15k |
| Greg Gianforte R-MT · House | 2018-12-21 | purchase | $15k – $50k |
| Lois Frankel D-FL · House | 2014-06-12 | sale | $1k – $15k |
From STOCK Act periodic transaction reports. House filings as of Nov 3, 2026.
See all TS political trades →Which hedge funds own TS?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Renaissance Technologies Jim Simons (founder) | 3.06M | $169.58M | -4% |
| Marshall Wace | 704K | $39.09M | +8705% |
| Millennium Management Israel Englander | 620K | $34.38M | +801% |
| Bridgewater Associates Ray Dalio | 568K | $31.53M | +1885% |
| Citadel Ken Griffin | 233K | $12.92M | -20% |
| Point72 Steve Cohen | 104K | $5.74M | NEW |
| D.E. Shaw David Shaw | 5K | $265.6K | NEW |
13F holdings as of Jun 30, 2026
Explore all tracked funds →What are TS's key statistics?
Key statistics as of Nov 5, 2026
How does TS's valuation compare with the Energy sector?
| Metric | TS | Energy median | Companies in median |
|---|---|---|---|
| P/E ratio | 15.3 | 15.1 | 85 |
| Net margin | 15.88% | 11.60% | 88 |
| Return on equity | 11.30% | 16.31% | 90 |
| Dividend yield (payers) | 3.17% | 3.53% | 72 |
Medians over the Energy stocks whose key statistics were refreshed in the last 35 days (newest Nov 5, 2026). P/E excludes loss-making companies.
TS price chart
Powered by TradingViewWhat does TENARIS SA do?
Tenaris S.A. is a leading manufacturer and supplier of steel pipes and related services for the world's energy industry as well as for other industrial applications. The company's primary function is to produce seamless steel tubes, providing essential infrastructure support to the oil and gas sector, among others. Tenaris operates in more than 20 countries, with a substantial presence in North America, South America, Europe, the Middle East, and Asia. Its intricate production and supply chain capabilities ensure it can meet the diverse demands of global markets efficiently. Tenaris holds a significant position in the market due to its advanced technology, rigorous quality controls, and commitment to sustainable practices. It impacts industries that require high-reliability components in extreme conditions, such as oil exploration and production, where the integrity and performance of pipes are critical. By continuously integrating cutting-edge technology and R&D, Tenaris boosts its industry standing as a reliable partner in energy and industrial sectors, supporting robust infrastructure development around the world.