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 2026
Institutional positions in Tenaris SA as of Mar 31, 2026. 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
- 264
- +38 vs. Q4 2025
- Shares held
- 39.3M
- +6.43M (+19.5%) vs. Q4 2025
- Total value
- $2.29B
- +$1.02B (+80.9%) vs. Q4 2025
- New holders
- 70
- 87 more added
- Sold out
- 32
- 66 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Tenaris SA; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cambridge Investment Research Advisors, Inc. | 4,318 | $251.0K | 0.00% | +4,318 | New |
| RSM US Wealth Management LLC | 4,600 | $267.6K | 0.00% | +4,600 | New |
| Allspring Global Investments Holdings, LLC | 4,818 | $280.2K | 0.00% | +4,818 | New |
| Evolve Private Wealth, LLC | 4,920 | $286.2K | 0.02% | +4,920 | New |
| Rockefeller Capital Management L.P. | 4,925 | $286.5K | 0.00% | +3,123+173.3% | Added |
| Parallel Advisors, LLC | 4,971 | $289.2K | 0.01% | +1,306+35.6% | Added |
| We Are One Seven, LLC | 5,036 | $293.0K | 0.01% | −967−16.1% | Reduced |
| EverSource Wealth Advisors, LLC | 5,100 | $296.7K | 0.01% | +1,142+28.9% | Added |
| Pinnacle Wealth Planning Services, Inc. | 5,174 | $301.0K | 0.03% | −1,004−16.3% | Reduced |
| Versant Capital Management, Inc | 5,248 | $305.3K | 0.03% | +587+12.6% | Added |
| Lester Murray Antman dba SimplyRich | 5,600 | $325.0K | 0.08% | +5,600 | New |
| Rossby Financial, LCC | 5,615 | $325.2K | 0.07% | −34−0.6% | Reduced |
| Glenmede Trust Co NA | 5,820 | $338.6K | 0.00% | +6+0.1% | Added |
| United Capital Financial Advisers, LLC | 5,981 | $348.0K | 0.00% | −335−5.3% | Reduced |
| BNP Paribas Arbitrage, SA | 6,049 | $351.9K | 0.00% | −28,107−82.3% | Reduced |
| R Squared Ltd | 6,246 | $363.4K | 0.20% | −6,746−51.9% | Reduced |
| Ballentine Partners, LLC | 6,369 | $370.5K | 0.01% | +810+14.6% | Added |
| Rhumbline Advisers | 6,435 | $374.4K | 0.00% | +458+7.7% | Added |
| Greenleaf Trust | 6,495 | $377.9K | 0.00% | +491+8.2% | Added |
| BCJ Capital Management, LLC | 6,531 | $380.0K | 0.02% | +6,531 | New |
| Cetera Investment Advisers | 6,558 | $381.6K | 0.00% | +112+1.7% | Added |
| Sanchez Gaunt Capital Management, LLC | 6,581 | $382.9K | 0.24% | +6,581 | New |
| Aaron Wealth Advisors | 6,653 | $387.1K | 0.02% | +1,203+22.1% | Added |
| Baron Wealth Management LLC | 6,732 | $391.7K | 0.12% | +169+2.6% | Added |
| Integrated Wealth Concepts LLC | 6,750 | $392.7K | 0.00% | −12,131−64.2% | Reduced |
| Sequoia Financial Advisors, LLC | 6,764 | $393.5K | 0.00% | +103+1.5% | Added |
| Wealth Enhancement Advisory Services, LLC | 6,798 | $395.0K | 0.00% | −1,503−18.1% | Reduced |
| CAPROCK Group, Inc. | 6,808 | $396.1K | 0.01% | −8,757−56.3% | Reduced |
| UBS Asset Management Americas Inc | 6,872 | $399.8K | 0.00% | +5,620+448.9% | Added |
| Merit Financial Group, LLC | 6,959 | $404.9K | 0.00% | +6,959 | New |
| SG Americas Securities, LLC | 7,002 | $407.0K | 0.00% | +7,002 | New |
| The PNC Financial Services Group, Inc. | 7,239 | $421.2K | 0.00% | +416+6.1% | Added |
| Centiva Capital, LP | 7,501 | $436.4K | 0.02% | +7,501 | New |
| New Vernon Capital Holdings II LLC | 7,581 | $441.1K | 0.33% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 7,594 | $441.8K | 0.00% | 00.0% | Unchanged |
| Sivia Capital Partners, LLC | 7,859 | $457.2K | 0.09% | +7,859 | New |
| BSW Wealth Partners | 7,903 | $459.8K | 0.06% | −21−0.3% | Reduced |
| Marshall Wace, LLP | 8,000 | $465.4K | 0.00% | +8,000 | New |
| Gsa Capital Partners LLP | 8,074 | $470.0K | 0.03% | +8,074 | New |
| Strategic Investment Advisors | 8,518 | $495.6K | 0.03% | −987−10.4% | Reduced |
| Group One Trading, L.P. | 8,713 | $506.9K | 0.02% | +6,574+307.3% | Added |
| Jackson Hole Capital Partners, LLC | 9,239 | $537.5K | 0.09% | 00.0% | Unchanged |
| Corient IA LLC | 9,330 | $542.8K | 0.51% | 00.0% | Unchanged |
| Gallo Partners, LP | 9,483 | $551.7K | 1.06% | +9,483 | New |
| Yousif Capital Management, LLC | 9,548 | $555.5K | 0.01% | 00.0% | Unchanged |
| Royal Bank of Canada | 9,695 | $564.0K | 0.00% | −59,162−85.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 9,974 | $580.3K | 0.00% | −292−2.8% | Reduced |
| Colony Group, LLC | 10,605 | $617.0K | 0.00% | +2,950+38.5% | Added |
| Fox Run Management, L.L.C. | 11,153 | $638.0K | 0.11% | +11,153 | New |
| ExodusPoint Capital Management, LP | 11,363 | $661.1K | 0.01% | +11,363 | New |
| Profund Advisors LLC | 11,368 | $661.4K | 0.02% | −1,770−13.5% | Reduced |
| HighTower Advisors, LLC | 11,588 | $674.2K | 0.00% | −661−5.4% | Reduced |
| J2 Capital Management Inc | 12,116 | $704.9K | 0.48% | −3,582−22.8% | Reduced |
| Arrowstreet Capital, Limited Partnership | 12,217 | $710.8K | 0.00% | +12,217 | New |
| Savant Capital, LLC | 12,355 | $718.8K | 0.00% | −422−3.3% | Reduced |
| 1832 Asset Management L.P. | 12,775 | $743.3K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 13,100 | $762.2K | 0.00% | +630+5.1% | Added |
| Dynasty Wealth Management, LLC | 13,232 | $769.8K | 0.01% | −1,616−10.9% | Reduced |
| Altrinsic Global Advisors LLC | 13,253 | $771.1K | 0.03% | −956−6.7% | Reduced |
| Russell Investments Group, Ltd. | 13,362 | $777.4K | 0.00% | +2,527+23.3% | Added |
| First Trust Advisors LP | 14,304 | $832.2K | 0.00% | +7,912+123.8% | Added |
| XTX Topco Ltd | 14,337 | $834.1K | 0.01% | −87,507−85.9% | Reduced |
| CI Private Wealth, LLC | 14,740 | $835.0K | 0.00% | +2,258+18.1% | Added |
| US Bancorp | 14,353 | $835.1K | 0.00% | −5,481−27.6% | Reduced |
| Quadrant Capital Group LLC | 14,452 | $840.8K | 0.03% | +743+5.4% | Added |
| QRG Capital Management, Inc. | 14,970 | $871.0K | 0.01% | −2,639−15.0% | Reduced |
| IMC-Chicago, LLC | 15,003 | $872.9K | 0.01% | +15,003 | New |
| Hennessy Advisors Inc | 16,200 | $942.5K | 0.03% | +4,200+35.0% | Added |
| Two Sigma Securities, LLC | 16,317 | $949.3K | 0.11% | +16,317 | New |
| Ieq Capital, LLC | 16,634 | $967.8K | 0.00% | +1,595+10.6% | Added |
| Naples Global Advisors, LLC | 16,660 | $969.3K | 0.07% | +350+2.1% | Added |
| Thornburg Investment Management Inc | 16,792 | $977.0K | 0.01% | −4,505−21.2% | Reduced |
| Chesapeake Capital Corp | 17,281 | $1.01M | 0.72% | +994+6.1% | Added |
| Illumine Investment Management, LLC | 17,603 | $1.02M | 0.79% | +17,603 | New |
| Sanctuary Advisors, LLC | 17,631 | $1.03M | 0.01% | +17,631 | New |
| North of South Capital LLP | 18,087 | $1.05M | 0.09% | +18,087 | New |
| Signaturefd, LLC | 18,426 | $1.07M | 0.02% | −158−0.9% | Reduced |
| Toroso Investments, LLC | 18,477 | $1.07M | 0.00% | +1,264+7.3% | Added |
| Hantz Financial Services, Inc. | 18,571 | $1.08M | 0.02% | +3,054+19.7% | Added |
| JPMorgan Chase & Co | 18,997 | $1.09M | 0.00% | −418−2.2% | Reduced |
| Gabelli Funds LLC | 20,000 | $1.16M | 0.01% | 00.0% | Unchanged |
| JustInvest LLC | 20,783 | $1.21M | 0.01% | −1,946−8.6% | Reduced |
| Beck Bode, LLC | 21,154 | $1.23M | 0.21% | +1,855+9.6% | Added |
| Walleye Trading LLC | 22,182 | $1.29M | 0.03% | +22,182 | New |
| Susquehanna International Group, LLP | 22,712 | $1.32M | 0.00% | −6,874−23.2% | Reduced |
| FORA Capital, LLC | 22,994 | $1.34M | 0.10% | +22,994 | New |
| Laird Norton Trust Company, LLC | 23,295 | $1.36M | 0.03% | −199−0.8% | Reduced |
| Ameriprise Financial Inc | 23,446 | $1.36M | 0.00% | +550+2.4% | Added |
| Cadence Wealth Management LLC | 23,710 | $1.38M | 0.58% | +1,698+7.7% | Added |
| Evergreen Capital Management LLC | 23,948 | $1.39M | 0.03% | +791+3.4% | Added |
| Callan Family Office, LLC | 23,970 | $1.39M | 0.03% | +327+1.4% | Added |
| Hennion & Walsh Asset Management, Inc. | 24,042 | $1.40M | 0.05% | −828−3.3% | Reduced |
| Viking Fund Management LLC | 25,000 | $1.45M | 0.15% | −3,000−10.7% | Reduced |
| LPL Financial LLC | 25,442 | $1.48M | 0.00% | +4,971+24.3% | Added |
| TD Waterhouse Canada Inc. | 26,422 | $1.53M | 0.00% | +13,515+104.7% | Added |
| Vanguard Capital Management LLC | 26,589 | $1.55M | 0.00% | +26,589 | New |
| CSS LLC | 26,650 | $1.55M | 0.09% | −7,430−21.8% | Reduced |
| SEI Investments Co | 26,728 | $1.56M | 0.00% | +6,496+32.1% | Added |
| Mork Capital Management, LLC | 28,320 | $1.65M | 1.17% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 28,363 | $1.65M | 0.00% | −299−1.0% | Reduced |