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 2025
Institutional positions in Tenaris SA as of Mar 31, 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
- 227
- −1 vs. Q4 2024
- Shares held
- 51.8M
- +1.01M (+2.0%) vs. Q4 2024
- Total value
- $2.01B
- +$106.3M (+5.6%) vs. Q4 2024
- New holders
- 34
- 72 more added
- Sold out
- 35
- 83 more reduced
6 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Tenaris SA; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 452,835 | $17.7M | 0.00% | +13,635+3.1% | Added |
| Northern Trust Corp | 462,542 | $18.1M | 0.00% | +241,853+109.6% | Added |
| Quadrature Capital Ltd | 997,607 | $19.5M | 0.43% | +34,215+3.6% | Added |
| Medina Singh Partners, LLC | 517,793 | $20.3M | 5.79% | −48,220−8.5% | Reduced |
| Capstone Investment Advisors, LLC | 550,880 | $21.5M | 0.20% | +268,500+95.1% | Added |
| Dimensional Fund Advisors LP | 574,815 | $22.5M | 0.01% | +155,734+37.2% | Added |
| Harding Loevner LP | 595,646 | $23.3M | 0.18% | −247,344−29.3% | Reduced |
| BlackRock, Inc. | 657,168 | $25.7M | 0.00% | −10,785−1.6% | Reduced |
| BNP Paribas Arbitrage, SA | 683,067 | $26.7M | 0.02% | +376,921+123.1% | Added |
| Massachusetts Financial Services Co | 754,994 | $29.5M | 0.01% | +241,290+47.0% | Added |
| UBS Group AG | 1,086,106 | $42.5M | 0.01% | +787,041+263.2% | Added |
| Millennium Management LLC | 1,177,259 | $46.0M | 0.04% | −1,639,469−58.2% | Reduced |
| Holocene Advisors, LP | 1,199,061 | $46.9M | 0.14% | +904,707+307.4% | Added |
| Merewether Investment Management, LP | 1,293,733 | $50.6M | 1.84% | +757,320+141.2% | Added |
| Goldman Sachs Group Inc | 1,388,426 | $54.3M | 0.01% | −322,359−18.8% | Reduced |
| Price T Rowe Associates Inc | 1,703,658 | $66.6M | 0.01% | −171,673−9.2% | Reduced |
| Balyasny Asset Management LLC | 1,714,769 | $67.1M | 0.17% | +22,327+1.3% | Added |
| Van Eck Associates Corp | 1,817,899 | $71.1M | 0.09% | −493,136−21.3% | Reduced |
| Morgan Stanley | 1,831,306 | $71.6M | 0.01% | +432,811+30.9% | Added |
| Encompass Capital Advisors LLC | 2,097,540 | $82.0M | 3.15% | +997,540+90.7% | Added |
| FMR LLC | 2,324,478 | $90.9M | 0.01% | −409,102−15.0% | Reduced |
| Wellington Management Group LLP | 2,327,117 | $91.0M | 0.02% | −4,139−0.2% | Reduced |
| Alua Capital Management LP | 2,387,363 | $93.4M | 7.60% | +2,387,363 | New |
| Sourcerock Group LLC | 2,450,258 | $95.8M | 5.40% | +356,636+17.0% | Added |
| Renaissance Technologies LLC | 2,702,844 | $105.7M | 0.16% | +183,900+7.3% | Added |
| Citadel Advisors LLC | 3,766,310 | $147.3M | 0.14% | +1,688,609+81.3% | Added |
| Westwood Global Investments, LLC | 7,672,759 | $300.1M | 9.28% | −241,386−3.1% | Reduced |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −447,344−100.0% | Sold out |
| Carrhae Capital LLP | 0 | $0 | 0.00% | −437,806−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −436,254−100.0% | Sold out |
| Yaupon Capital Management LP | 0 | $0 | 0.00% | −333,259−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −223,000−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −207,961−100.0% | Sold out |
| ARGA Investment Management, LP | 0 | $0 | 0.00% | −49,118−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −23,542−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −22,155−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −18,707−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −14,819−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −14,339−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −11,842−100.0% | Sold out |
| Liontrust Investment Partners LLP | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −7,000−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −6,908−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −6,662−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −5,993−100.0% | Sold out |
| Glenmede Trust Co NA | 0 | $0 | 0.00% | −5,371−100.0% | Sold out |
| Barometer Capital Management Inc. | 0 | $0 | 0.00% | −4,700−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −2,150−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −2,132−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −732−100.0% | Sold out |
| CIBC Private Wealth Group, LLC | 0 | $0 | 0.00% | −247−100.0% | Sold out |
| Bayforest Capital Ltd | 0 | $0 | 0.00% | −63−100.0% | Sold out |
| Synergy Financial Management, LLC | 0 | $0 | 0.00% | −58−100.0% | Sold out |
| Coppell Advisory Solutions LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Kayne Anderson Rudnick Investment Management LLC | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Winch Advisory Services, LLC | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Decker Retirement Planning Inc. | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Mendota Financial Group, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Sachetta, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Wood Tarver Financial Group, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Wetherby Asset Management Inc | – | – | – | – | Not filed |
| Caxton Associates LP | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| Zions Bancorporation, N.A. | – | – | – | – | Not filed |
| Legacy Investment Solutions, LLC | – | – | – | – | Not filed |
| Financial Gravity Companies, Inc. | – | – | – | – | Not filed |