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, Q1 2023
Institutional positions in Tenaris SA as of Mar 31, 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
- 227
- +14 vs. Q4 2022
- Shares held
- 66.3M
- +15.8M (+31.4%) vs. Q4 2022
- Total value
- $1.74B
- −$32.9M (−1.9%) vs. Q4 2022
- New holders
- 46
- 92 more added
- Sold out
- 32
- 52 more reduced
5 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Tenaris SA; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pantechnicon Advisors LLP | 400,000 | $11.4M | 4.61% | +400,000 | New |
| Cubist Systematic Strategies, LLC | 420,704 | $12.0M | 0.11% | +274,503+187.8% | Added |
| Optiver Holding B.V. | 456,332 | $13.0M | 0.60% | +328,507+257.0% | Added |
| SPX Equities Gestao de Recursos Ltda | 568,625 | $16.2M | 1.08% | +568,625 | New |
| Agf Management Ltd | 571,589 | $16.2M | 0.11% | −93,589−14.1% | Reduced |
| Foresight Global Investors, Inc. | 580,968 | $16.5M | 11.83% | +580,968 | New |
| Lazard Asset Management LLC | 722,711 | $20.5M | 0.03% | +212,962+41.8% | Added |
| Qube Research & Technologies Ltd | 790,305 | $22.5M | 0.13% | +565,387+251.4% | Added |
| Goldman Sachs Group Inc | 822,832 | $23.4M | 0.01% | −91,640−10.0% | Reduced |
| Marshall Wace, LLP | 861,005 | $24.5M | 0.06% | −22,428−2.5% | Reduced |
| Jane Street Group, LLC | 871,048 | $24.8M | 0.04% | +414,859+90.9% | Added |
| Two Sigma Investments, LP | 943,767 | $26.8M | 0.08% | +858,826+1,011.1% | Added |
| Citadel Advisors LLC | 955,962 | $27.2M | 0.03% | +194,086+25.5% | Added |
| JPMorgan Chase & Co | 984,264 | $28.0M | 0.00% | +336,799+52.0% | Added |
| Clark Capital Management Group, Inc. | 986,387 | $28.0M | 0.31% | +45,138+4.8% | Added |
| Bamco Inc | 1,037,025 | $29.5M | 0.09% | −110,717−9.6% | Reduced |
| Renaissance Technologies LLC | 1,055,744 | $30.0M | 0.04% | −8,000−0.8% | Reduced |
| Bank of America Corp | 1,139,341 | $32.4M | 0.00% | +54,377+5.0% | Added |
| BlackRock Inc. | 1,273,704 | $36.2M | 0.00% | +137,745+12.1% | Added |
| Millennium Management LLC | 1,671,453 | $47.5M | 0.06% | +873,754+109.5% | Added |
| Harding Loevner LP | 2,821,160 | $80.2M | 0.46% | −81,798−2.8% | Reduced |
| Morgan Stanley | 2,986,656 | $84.9M | 0.01% | +1,040,576+53.5% | Added |
| FMR LLC | 3,243,952 | $92.2M | 0.01% | −283,784−8.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 4,104,573 | $116.7M | 0.15% | +48,677+1.2% | Added |
| Van Eck Associates Corp | 4,214,351 | $119.8M | 0.27% | +362,756+9.4% | Added |
| Perpetual Ltd | 12,857,596 | $234.3M | 2.03% | +12,857,596 | New |
| Westwood Global Investments, LLC | 8,843,360 | $251.3M | 13.98% | +42,276+0.5% | Added |
| Merewether Investment Management, LP | 0 | $0 | 0.00% | −992,388−100.0% | Sold out |
| SIR Capital Management, L.P. | 0 | $0 | 0.00% | −775,899−100.0% | Sold out |
| Encompass Capital Advisors LLC | 0 | $0 | 0.00% | −693,023−100.0% | Sold out |
| Scopus Asset Management, L.P. | 0 | $0 | 0.00% | −360,000−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −346,270−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −337,172−100.0% | Sold out |
| Weiss Multi-Strategy Advisers LLC | 0 | $0 | 0.00% | −282,080−100.0% | Sold out |
| Crestline Management, LP | 0 | $0 | 0.00% | −150,086−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −121,276−100.0% | Sold out |
| Chase Investment Counsel Corp | 0 | $0 | 0.00% | −55,570−100.0% | Sold out |
| CIBC World Markets Inc. | 0 | $0 | 0.00% | −49,380−100.0% | Sold out |
| Pinebridge Investments, L.P. | 0 | $0 | 0.00% | −41,235−100.0% | Sold out |
| CoreCommodity Management, LLC | 0 | $0 | 0.00% | −27,784−100.0% | Sold out |
| Atria Wealth Solutions, Inc. | 0 | $0 | 0.00% | −25,602−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −22,003−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −18,359−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −7,440−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −7,340−100.0% | Sold out |
| Cable Hill Partners, LLC | 0 | $0 | 0.00% | −7,309−100.0% | Sold out |
| Eqis Capital Management, Inc. | 0 | $0 | 0.00% | −6,741−100.0% | Sold out |
| Principal Street Partners, LLC | 0 | $0 | 0.00% | −6,578−100.0% | Sold out |
| Greenleaf Trust | 0 | $0 | 0.00% | −6,111−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −2,073−100.0% | Sold out |
| Comerica Securities,inc. | 0 | $0 | 0.00% | −1,626−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −750−100.0% | Sold out |
| Arlington Partners LLC | 0 | $0 | 0.00% | −322−100.0% | Sold out |
| Blume Capital Management, Inc. | 0 | $0 | 0.00% | −120−100.0% | Sold out |
| Money Concepts Capital Corp | 0 | $0 | 0.00% | −57−100.0% | Sold out |
| Prestige Wealth Management Group LLC | 0 | $0 | 0.00% | −54−100.0% | Sold out |
| Sofos Investments, Inc. | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Glen Eagle Advisors, LLC | 0 | $0 | 0.00% | −42−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| Pendal Group Limited | – | – | – | – | Not filed |
| Energy Opportunities Capital Management, LLC | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Glass Jacobson Investment Advisors llc | – | – | – | – | Not filed |
| Cornerstone Planning Group LLC | – | – | – | – | Not filed |