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 |
|---|---|---|---|---|---|
| Westwood Global Investments, LLC | 8,843,360 | $251.3M | 13.98% | +42,276+0.5% | Added |
| Perpetual Ltd | 12,857,596 | $234.3M | 2.03% | +12,857,596 | New |
| Van Eck Associates Corp | 4,214,351 | $119.8M | 0.27% | +362,756+9.4% | Added |
| Arrowstreet Capital, Limited Partnership | 4,104,573 | $116.7M | 0.15% | +48,677+1.2% | Added |
| FMR LLC | 3,243,952 | $92.2M | 0.01% | −283,784−8.0% | Reduced |
| Morgan Stanley | 2,986,656 | $84.9M | 0.01% | +1,040,576+53.5% | Added |
| Harding Loevner LP | 2,821,160 | $80.2M | 0.46% | −81,798−2.8% | Reduced |
| Millennium Management LLC | 1,671,453 | $47.5M | 0.06% | +873,754+109.5% | Added |
| BlackRock Inc. | 1,273,704 | $36.2M | 0.00% | +137,745+12.1% | Added |
| Bank of America Corp | 1,139,341 | $32.4M | 0.00% | +54,377+5.0% | Added |
| Renaissance Technologies LLC | 1,055,744 | $30.0M | 0.04% | −8,000−0.8% | Reduced |
| Bamco Inc | 1,037,025 | $29.5M | 0.09% | −110,717−9.6% | Reduced |
| Clark Capital Management Group, Inc. | 986,387 | $28.0M | 0.31% | +45,138+4.8% | Added |
| JPMorgan Chase & Co | 984,264 | $28.0M | 0.00% | +336,799+52.0% | Added |
| Citadel Advisors LLC | 955,962 | $27.2M | 0.03% | +194,086+25.5% | Added |
| Two Sigma Investments, LP | 943,767 | $26.8M | 0.08% | +858,826+1,011.1% | Added |
| Jane Street Group, LLC | 871,048 | $24.8M | 0.04% | +414,859+90.9% | Added |
| Marshall Wace, LLP | 861,005 | $24.5M | 0.06% | −22,428−2.5% | Reduced |
| Goldman Sachs Group Inc | 822,832 | $23.4M | 0.01% | −91,640−10.0% | Reduced |
| Qube Research & Technologies Ltd | 790,305 | $22.5M | 0.13% | +565,387+251.4% | Added |
| Lazard Asset Management LLC | 722,711 | $20.5M | 0.03% | +212,962+41.8% | Added |
| Foresight Global Investors, Inc. | 580,968 | $16.5M | 11.83% | +580,968 | New |
| Agf Management Ltd | 571,589 | $16.2M | 0.11% | −93,589−14.1% | Reduced |
| SPX Equities Gestao de Recursos Ltda | 568,625 | $16.2M | 1.08% | +568,625 | New |
| Optiver Holding B.V. | 456,332 | $13.0M | 0.60% | +328,507+257.0% | Added |
| Cubist Systematic Strategies, LLC | 420,704 | $12.0M | 0.11% | +274,503+187.8% | Added |
| Pantechnicon Advisors LLP | 400,000 | $11.4M | 4.61% | +400,000 | New |
| Legal & General Group Plc | 385,236 | $11.0M | 0.00% | 00.0% | Unchanged |
| Bank Julius Baer & Co. Ltd, Zurich | 366,294 | $10.4M | 0.07% | −16,961−4.4% | Reduced |
| Orbis Allan Gray Ltd | 351,319 | $9.98M | 0.08% | +118,866+51.1% | Added |
| Franklin Resources Inc | 346,237 | $9.84M | 0.00% | +51,497+17.5% | Added |
| Dimensional Fund Advisors LP | 330,196 | $9.38M | 0.00% | −17,522−5.0% | Reduced |
| MBB Public Markets I LLC | 323,898 | $9.21M | 0.53% | +323,898 | New |
| Federated Hermes, Inc. | 304,673 | $8.66M | 0.02% | +48,414+18.9% | Added |
| BNP Paribas Arbitrage, SA | 257,008 | $7.30M | 0.02% | +149,532+139.1% | Added |
| Vanguard Group Inc | 250,806 | $7.13M | 0.00% | −36,266−12.6% | Reduced |
| State Street Corp | 221,680 | $6.30M | 0.00% | +213,911+2,753.4% | Added |
| Northern Trust Corp | 211,774 | $6.02M | 0.00% | +130,813+161.6% | Added |
| Natixis Advisors, L.P. | 200,112 | $5.69M | 0.02% | −293,800−59.5% | Reduced |
| Ruffer LLP | 195,345 | $5.55M | 0.19% | +76,262+64.0% | Added |
| Envestnet Asset Management Inc | 612,644 | $4.99M | 0.00% | +460,811+303.5% | Added |
| Trexquant Investment LP | 171,481 | $4.87M | 0.13% | +171,481 | New |
| Voloridge Investment Management, LLC | 169,386 | $4.81M | 0.02% | +154,729+1,055.7% | Added |
| Raymond James & Associates | 168,762 | $4.80M | 0.00% | −7,982−4.5% | Reduced |
| Viking Fund Management LLC | 156,000 | $4.43M | 0.85% | +56,000+56.0% | Added |
| Jump Financial, LLC | 148,788 | $4.23M | 0.17% | −36,962−19.9% | Reduced |
| New York State Common Retirement Fund | 148,129 | $4.21M | 0.01% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 146,813 | $4.17M | 0.05% | +115,689+371.7% | Added |
| Dorsey Wright & Associates | 144,773 | $4.11M | 1.25% | −9,413−6.1% | Reduced |
| Stifel Financial Corp | 142,473 | $4.05M | 0.01% | +93,663+191.9% | Added |
| Deprince Race & Zollo Inc | 140,100 | $3.98M | 0.09% | +49,100+54.0% | Added |
| Ethic Inc. | 131,564 | $3.74M | 0.15% | +6,204+4.9% | Added |
| William Blair Investment Management, LLC | 130,589 | $3.71M | 0.01% | −787−0.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 127,100 | $3.61M | 0.03% | +127,100 | New |
| Ameriprise Financial Inc | 118,910 | $3.38M | 0.00% | −3,015−2.5% | Reduced |
| D. E. Shaw & Co., Inc. | 115,268 | $3.28M | 0.01% | +19,916+20.9% | Added |
| Price T Rowe Associates Inc | 114,082 | $3.24M | 0.00% | −1,418,130−92.6% | Reduced |
| Clearbridge Investments, LLC | 107,951 | $3.07M | 0.00% | −2,184−2.0% | Reduced |
| Canada Pension Plan Investment Board | 104,000 | $2.96M | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 103,176 | $2.93M | 0.27% | +103,176 | New |
| Two Sigma Advisers, LP | 102,100 | $2.90M | 0.01% | +102,100 | New |
| Employees Retirement System of Texas | 96,186 | $2.73M | 0.04% | 00.0% | Unchanged |
| Clear Street Markets LLC | 92,421 | $2.63M | 0.73% | +90,734+5,378.4% | Added |
| Todd Asset Management LLC | 89,000 | $2.53M | 0.06% | +89,000 | New |
| Teachers Retirement System of the State of Kentucky | 89,000 | $2.53M | 0.03% | +89,000 | New |
| Standard Life Aberdeen plc | 88,900 | $2.53M | 0.01% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 85,021 | $2.42M | 0.00% | +6,034+7.6% | Added |
| Seven Eight Capital, LP | 79,901 | $2.27M | 0.47% | +79,901 | New |
| Guggenheim Capital LLC | 69,959 | $1.99M | 0.02% | +27,993+66.7% | Added |
| Quantbot Technologies LP | 67,119 | $1.91M | 0.13% | +36,310+117.9% | Added |
| Navellier & Associates Inc | 64,015 | $1.82M | 0.38% | +2,475+4.0% | Added |
| Squarepoint Ops LLC | 63,832 | $1.81M | 0.01% | +63,832 | New |
| Capital Insight Partners, LLC | 63,009 | $1.79M | 0.42% | +18,150+40.5% | Added |
| Erste Asset Management GmbH | 60,000 | $1.71M | 0.03% | 00.0% | Unchanged |
| Thomas White International Ltd | 56,334 | $1.60M | 0.34% | +56,334 | New |
| Highland Capital Management, LLC | 55,909 | $1.59M | 0.12% | 00.0% | Unchanged |
| Old Mission Capital LLC | 53,193 | $1.51M | 0.05% | −45,028−45.8% | Reduced |
| Wellington Management Group LLP | 53,050 | $1.51M | 0.00% | −840,720−94.1% | Reduced |
| Oliver Luxxe Assets LLC | 50,267 | $1.43M | 0.38% | +73+0.1% | Added |
| Simplex Trading, LLC | 47,270 | $1.34M | 0.06% | +47,270 | New |
| Advisors Asset Management, Inc. | 47,035 | $1.34M | 0.03% | +3,650+8.4% | Added |
| Wells Fargo & Company | 46,218 | $1.31M | 0.00% | −33,802−42.2% | Reduced |
| Susquehanna International Group, LLP | 42,653 | $1.21M | 0.00% | +10,635+33.2% | Added |
| Bokf, NA | 42,152 | $1.20M | 0.03% | −1,734−4.0% | Reduced |
| Exencial Wealth Advisors, LLC | 39,813 | $1.13M | 0.06% | +19,019+91.5% | Added |
| Deltec Asset Management LLC | 39,750 | $1.13M | 0.28% | 00.0% | Unchanged |
| Beck Bode, LLC | 39,391 | $1.12M | 0.28% | +39,391 | New |
| CIBC Asset Management Inc | 37,202 | $1.06M | 0.00% | +37,202 | New |
| West Tower Group, LLC | 35,000 | $994.7K | 0.98% | +35,000 | New |
| Massachusetts Financial Services Co | 34,801 | $989.0K | 0.00% | +1,942+5.9% | Added |
| Spire Wealth Management | 32,971 | $937.0K | 0.04% | +32,971 | New |
| Ergoteles LLC | 32,767 | $931.2K | 0.04% | −31,986−49.4% | Reduced |
| UBS Group AG | 32,383 | $920.3K | 0.00% | −21,008−39.3% | Reduced |
| Aquatic Capital Management LLC | 31,600 | $898.0K | 0.06% | +16,000+102.6% | Added |
| Campbell & CO Investment Adviser LLC | 31,045 | $882.3K | 0.16% | −4,636−13.0% | Reduced |
| XY Capital Ltd | 30,120 | $856.0K | 0.72% | +22,312+285.8% | Added |
| LPL Financial LLC | 28,775 | $817.8K | 0.00% | +21,863+316.3% | Added |
| Capricorn Fund Managers Ltd | 28,448 | $813.9K | 0.25% | +28,448 | New |
| Veriti Management LLC | 27,517 | $782.0K | 0.09% | +1,142+4.3% | Added |
| Altrinsic Global Advisors LLC | 25,999 | $738.9K | 0.03% | +5,176+24.9% | Added |