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, Q2 2025
Institutional positions in Tenaris SA as of Jun 30, 2025. 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
- 223
- −1 vs. Q1 2025
- Shares held
- 45.9M
- −5.86M (−11.3%) vs. Q1 2025
- Total value
- $1.71B
- −$296.5M (−14.8%) vs. Q1 2025
- New holders
- 37
- 89 more added
- Sold out
- 38
- 67 more reduced
3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Tenaris SA; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Commonwealth Equity Services, LLC | 10,970 | $410.0K | 0.00% | +1,313+13.6% | Added |
| CI Private Wealth, LLC | 11,539 | $431.6K | 0.00% | +631+5.8% | Added |
| Bank of New York Mellon Corp | 11,840 | $442.8K | 0.00% | −917−7.2% | Reduced |
| Hennessy Advisors Inc | 12,000 | $448.8K | 0.01% | +5,000+71.4% | Added |
| TD Waterhouse Canada Inc. | 12,312 | $455.2K | 0.00% | +10,431+554.5% | Added |
| Profund Advisors LLC | 12,687 | $474.5K | 0.02% | +437+3.6% | Added |
| 1832 Asset Management L.P. | 12,775 | $477.8K | 0.00% | 00.0% | Unchanged |
| Principal Street Partners, LLC | 13,156 | $492.0K | 0.05% | +6,578+100.0% | Added |
| Naples Global Advisors, LLC | 13,685 | $511.8K | 0.04% | +1,300+10.5% | Added |
| Vestmark Advisory Solutions, Inc. | 13,696 | $512.2K | 0.01% | +13,696 | New |
| Quadrant Capital Group LLC | 13,811 | $516.5K | 0.02% | −963−6.5% | Reduced |
| Susquehanna International Group, LLP | 14,060 | $525.8K | 0.00% | −14,660−51.0% | Reduced |
| US Bancorp | 14,219 | $531.8K | 0.00% | +1,130+8.6% | Added |
| TCFG Wealth Management, LLC | 14,245 | $532.8K | 0.24% | +14,245 | New |
| XTX Topco Ltd | 14,738 | $551.2K | 0.02% | +14,738 | New |
| HighTower Advisors, LLC | 14,869 | $556.1K | 0.00% | −1,624−9.8% | Reduced |
| Altrinsic Global Advisors LLC | 14,900 | $557.3K | 0.02% | −406−2.7% | Reduced |
| Corient IA LLC | 15,000 | $561.0K | 0.33% | 00.0% | Unchanged |
| J2 Capital Management Inc | 15,863 | $593.3K | 0.47% | +4,209+36.1% | Added |
| American Century Companies Inc | 16,075 | $601.2K | 0.00% | 00.0% | Unchanged |
| Bayforest Capital Ltd | 16,165 | $604.6K | 0.26% | +16,165 | New |
| SEI Investments Co | 16,712 | $625.1K | 0.00% | +1,149+7.4% | Added |
| JPMorgan Chase & Co | 16,877 | $631.2K | 0.00% | +7,363+77.4% | Added |
| Wetherby Asset Management Inc | 16,976 | $634.9K | 0.03% | +16,976 | New |
| Squarepoint Ops LLC | 17,092 | $639.2K | 0.00% | +10,959+178.7% | Added |
| Vident Advisory, LLC | 17,509 | $654.9K | 0.01% | +2,513+16.8% | Added |
| Signaturefd, LLC | 18,089 | $676.5K | 0.01% | −278−1.5% | Reduced |
| Callan Family Office, LLC | 18,232 | $681.9K | 0.02% | +9,926+119.5% | Added |
| Gabelli Funds LLC | 20,000 | $748.0K | 0.01% | 00.0% | Unchanged |
| Walleye Trading LLC | 20,247 | $757.2K | 0.02% | +20,247 | New |
| Evergreen Capital Management LLC | 20,250 | $757.4K | 0.02% | −270−1.3% | Reduced |
| Cadence Wealth Management LLC | 20,618 | $771.1K | 0.51% | +1,574+8.3% | Added |
| Mercer Global Advisors Inc | 21,947 | $820.8K | 0.00% | −24,840−53.1% | Reduced |
| LPL Financial LLC | 22,179 | $829.5K | 0.00% | −350−1.6% | Reduced |
| Cornerstone Wealth Management, LLC | 23,099 | $863.9K | 0.05% | +670+3.0% | Added |
| Ameriprise Financial Inc | 23,154 | $866.0K | 0.00% | −876−3.6% | Reduced |
| Cerity Partners LLC | 23,732 | $887.6K | 0.00% | +90+0.4% | Added |
| CSS LLC | 24,890 | $930.9K | 0.06% | −7,040−22.0% | Reduced |
| JustInvest LLC | 24,915 | $931.9K | 0.01% | +2,954+13.5% | Added |
| Thornburg Investment Management Inc | 25,031 | $936.2K | 0.01% | +3,968+18.8% | Added |
| Vanguard Group Inc | 26,589 | $994.4K | 0.00% | −2,945−10.0% | Reduced |
| Viking Fund Management LLC | 28,000 | $1.05M | 0.14% | +3,000+12.0% | Added |
| Quantbot Technologies LP | 28,516 | $1.07M | 0.03% | +28,516 | New |
| Capital Insight Partners, LLC | 29,130 | $1.09M | 0.19% | −85,932−74.7% | Reduced |
| Graham Capital Management, L.P. | 29,409 | $1.10M | 0.03% | +29,409 | New |
| Ashton Thomas Private Wealth, LLC | 29,511 | $1.10M | 0.04% | +1,080+3.8% | Added |
| KLP Kapitalforvaltning AS | 30,000 | $1.12M | 0.00% | +30,000 | New |
| Guggenheim Capital LLC | 31,700 | $1.19M | 0.01% | +9,388+42.1% | Added |
| Exencial Wealth Advisors, LLC | 32,762 | $1.23M | 0.04% | +1,409+4.5% | Added |
| Mariner, LLC | 34,105 | $1.27M | 0.00% | +5,916+21.0% | Added |
| Advisor Group Holdings, Inc. | 36,722 | $1.43M | 0.00% | +34,969+1,994.8% | Added |
| Pathstone Holdings, LLC | 39,594 | $1.48M | 0.01% | +4,570+13.0% | Added |
| AQR Capital Management LLC | 39,905 | $1.49M | 0.00% | +16,243+68.6% | Added |
| Creative Planning | 40,837 | $1.53M | 0.00% | +4,705+13.0% | Added |
| New York State Common Retirement Fund | 41,145 | $1.54M | 0.00% | +41,145 | New |
| Integrated Quantitative Investments LLC | 41,145 | $1.54M | 0.45% | +41,145 | New |
| Charles Schwab Investment Management Inc | 42,554 | $1.59M | 0.00% | +12,335+40.8% | Added |
| Crossmark Global Holdings, Inc. | 44,270 | $1.66M | 0.03% | +5,371+13.8% | Added |
| Highland Capital Management, LLC | 48,035 | $1.80M | 0.10% | −1,305−2.6% | Reduced |
| BNP Paribas Arbitrage, SA | 48,227 | $1.80M | 0.00% | −634,840−92.9% | Reduced |
| Citigroup Inc | 49,537 | $1.85M | 0.00% | −29,829−37.6% | Reduced |
| GTS Securities LLC | 54,421 | $2.04M | 0.09% | +54,421 | New |
| Two Sigma Investments, LP | 57,194 | $2.14M | 0.00% | −20,600−26.5% | Reduced |
| QRG Capital Management, Inc. | 57,753 | $2.16M | 0.02% | −22,585−28.1% | Reduced |
| Ruffer LLP | 59,349 | $2.22M | 0.10% | 00.0% | Unchanged |
| Manning & Napier Advisors LLC | 60,136 | $2.25M | 0.03% | +13,388+28.6% | Added |
| Clear Street Markets LLC | 61,290 | $2.29M | 0.82% | +61,290 | New |
| Campbell & CO Investment Adviser LLC | 65,992 | $2.47M | 0.16% | +2,174+3.4% | Added |
| Quantinno Capital Management LP | 67,252 | $2.52M | 0.01% | +8,618+14.7% | Added |
| Invesco Ltd. | 69,316 | $2.59M | 0.00% | −2,475−3.4% | Reduced |
| Engineers Gate Manager LP | 72,274 | $2.70M | 0.03% | +59,080+447.8% | Added |
| Interval Partners, LP | 76,483 | $2.86M | 0.07% | +60,676+383.9% | Added |
| O'Shaughnessy Asset Management, LLC | 76,918 | $2.88M | 0.02% | −4,072−5.0% | Reduced |
| First Trust Advisors LP | 86,777 | $3.25M | 0.00% | +73,107+534.8% | Added |
| ExodusPoint Capital Management, LP | 88,385 | $3.31M | 0.04% | −63,699−41.9% | Reduced |
| SummitTX Capital, L.P. | 91,784 | $3.43M | 0.15% | −15,782−14.7% | Reduced |
| Verition Fund Management LLC | 101,202 | $3.78M | 0.02% | −63,394−38.5% | Reduced |
| UBS Asset Management Americas Inc | 106,460 | $3.98M | 0.00% | −33,094−23.7% | Reduced |
| Silvercrest Asset Management Group LLC | 109,521 | $4.10M | 0.03% | +11,860+12.1% | Added |
| Ethic Inc. | 123,531 | $4.56M | 0.08% | +10,397+9.2% | Added |
| Boothbay Fund Management, LLC | 138,741 | $5.19M | 0.16% | +13,279+10.6% | Added |
| State Street Corp | 146,229 | $5.47M | 0.00% | +146,229 | New |
| Lazard Asset Management LLC | 148,468 | $5.55M | 0.01% | −16,762−10.1% | Reduced |
| Aventail Capital Group, LP | 185,524 | $6.94M | 0.31% | 00.0% | Unchanged |
| Lighthouse Investment Partners, LLC | 190,000 | $7.11M | 0.31% | +85,000+81.0% | Added |
| Legal & General Group Plc | 206,897 | $7.74M | 0.00% | −9,642−4.5% | Reduced |
| D. E. Shaw & Co., Inc. | 222,011 | $8.30M | 0.01% | +58,605+35.9% | Added |
| Northern Trust Corp | 230,648 | $8.63M | 0.00% | −231,894−50.1% | Reduced |
| Quadrature Capital Ltd | 456,997 | $8.82M | 0.15% | −540,610−54.2% | Reduced |
| Cubist Systematic Strategies, LLC | 243,360 | $9.10M | 0.10% | +243,360 | New |
| Trexquant Investment LP | 243,793 | $9.12M | 0.10% | +243,793 | New |
| Jump Financial, LLC | 250,800 | $9.38M | 0.12% | +250,800 | New |
| Grantham, Mayo, Van Otterloo & Co. LLC | 253,867 | $9.49M | 0.03% | +40,293+18.9% | Added |
| Jane Street Group, LLC | 295,255 | $11.0M | 0.02% | +245,552+494.0% | Added |
| Royal Bank of Canada | 300,381 | $11.2M | 0.00% | −152,454−33.7% | Reduced |
| Optiver Holding B.V. | 315,703 | $11.8M | 0.32% | +216,428+218.0% | Added |
| Kiltearn Partners LLP | 319,559 | $12.0M | 2.40% | +147,600+85.8% | Added |
| Freestone Grove Partners LP | 362,510 | $13.6M | 0.10% | +362,510 | New |
| Harding Loevner LP | 450,593 | $16.9M | 0.11% | −145,053−24.4% | Reduced |
| Abc Arbitrage SA | 467,268 | $17.5M | 2.00% | +334,755+252.6% | Added |