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
13F holders, Q3 2023
Institutional positions in Tenaris SA as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 216
- +16 vs. Q2 2023
- Shares held
- 61.4M
- −7.58M (−11.0%) vs. Q2 2023
- Total value
- $1.94B
- +$6.26M (+0.3%) vs. Q2 2023
- New holders
- 39
- 71 more added
- Sold out
- 23
- 74 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 285 | $2.13B |
| Q1 2026 | 264 | $2.29B |
| Q4 2025 | 229 | $1.27B |
| Q3 2025 | 223 | $1.28B |
| Q2 2025 | 223 | $1.71B |
| Q1 2025 | 227 | $2.01B |
| Q4 2024 | 234 | $1.90B |
| Q3 2024 | 201 | $1.60B |
| Q2 2024 | 224 | $1.70B |
| Q1 2024 | 236 | $2.19B |
| Q4 2023 | 222 | $2.16B |
| Q3 2023 | 216 | $1.94B |
| Q2 2023 | 201 | $1.93B |
| Q1 2023 | 227 | $1.74B |
| Q4 2022 | 218 | $2.07B |
| Q3 2022 | 179 | $1.66B |
| Q2 2022 | 182 | $1.61B |
| Q1 2022 | 182 | $2.08B |
| Q4 2021 | 144 | $1.04B |
| Q3 2021 | 130 | $1.03B |
| Q2 2021 | 143 | $1.19B |
| Q1 2021 | 127 | $1.32B |
Institutions, Q3 2023
Shares, value and share of portfolio for each institution holding Tenaris SA; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wellington Management Group LLP | 877,305 | $27.7M | 0.01% | +442,016+101.5% | Added |
| Driehaus Capital Management LLC | 1,104,937 | $34.9M | 0.45% | −29,400−2.6% | Reduced |
| Merewether Investment Management, LP | 1,112,100 | $35.1M | 2.13% | +1,112,100 | New |
| BlackRock Inc. | 1,133,689 | $35.8M | 0.00% | −202,585−15.2% | Reduced |
| Balyasny Asset Management LLC | 1,347,809 | $42.6M | 0.12% | −1,432,102−51.5% | Reduced |
| Renaissance Technologies LLC | 1,481,944 | $46.8M | 0.08% | −348,600−19.0% | Reduced |
| Marshall Wace, LLP | 1,497,703 | $47.3M | 0.10% | +59,789+4.2% | Added |
| Morgan Stanley | 1,661,649 | $52.5M | 0.01% | −713,381−30.0% | Reduced |
| Orbis Allan Gray Ltd | 2,043,934 | $64.6M | 0.46% | +242,998+13.5% | Added |
| Price T Rowe Associates Inc | 2,109,296 | $66.7M | 0.01% | +1,914,614+983.5% | Added |
| Harding Loevner LP | 2,542,254 | $80.3M | 0.53% | −554,247−17.9% | Reduced |
| FMR LLC | 3,135,820 | $99.1M | 0.01% | +90,940+3.0% | Added |
| Perpetual Ltd | 3,490,018 | $110.3M | 1.14% | −8,895,684−71.8% | Reduced |
| Van Eck Associates Corp | 4,279,660 | $135.2M | 0.30% | +256,547+6.4% | Added |
| Arrowstreet Capital, Limited Partnership | 5,053,372 | $159.7M | 0.19% | +2,241,081+79.7% | Added |
| Westwood Global Investments, LLC | 8,825,549 | $278.9M | 14.68% | +243,148+2.8% | Added |
| Clark Capital Management Group, Inc. | 0 | $0 | 0.00% | −1,021,536−100.0% | Sold out |
| MBB Public Markets I LLC | 0 | $0 | 0.00% | −648,010−100.0% | Sold out |
| SPX Equities Gestao de Recursos Ltda | 0 | $0 | 0.00% | −543,467−100.0% | Sold out |
| Bamco Inc | 0 | $0 | 0.00% | −470,067−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −129,447−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −56,000−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −44,892−100.0% | Sold out |
| CIBC Asset Management Inc | 0 | $0 | 0.00% | −37,999−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −33,284−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −16,406−100.0% | Sold out |
| Park Avenue Securities LLC | 0 | $0 | 0.00% | −12,160−100.0% | Sold out |
| Gallacher Capital Management LLC | 0 | $0 | 0.00% | −12,148−100.0% | Sold out |
| Bornite Capital Management LP | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −8,751−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −8,118−100.0% | Sold out |
| Vident Investment Advisory, LLC | 0 | $0 | 0.00% | −7,368−100.0% | Sold out |
| Pinebridge Investments, L.P. | 0 | $0 | 0.00% | −638−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −344−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −115−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −87−100.0% | Sold out |
| Sandy Spring Bank | 0 | $0 | 0.00% | −73−100.0% | Sold out |
| Coppell Advisory Solutions LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Motco | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Thomas White International Ltd | – | – | – | – | Not filed |