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 |
|---|---|---|---|---|---|
| US Bancorp | 14,353 | $835.1K | 0.00% | −5,481−27.6% | Reduced |
| CI Private Wealth, LLC | 14,740 | $835.0K | 0.00% | +2,258+18.1% | Added |
| XTX Topco Ltd | 14,337 | $834.1K | 0.01% | −87,507−85.9% | Reduced |
| First Trust Advisors LP | 14,304 | $832.2K | 0.00% | +7,912+123.8% | Added |
| Russell Investments Group, Ltd. | 13,362 | $777.4K | 0.00% | +2,527+23.3% | Added |
| Altrinsic Global Advisors LLC | 13,253 | $771.1K | 0.03% | −956−6.7% | Reduced |
| Dynasty Wealth Management, LLC | 13,232 | $769.8K | 0.01% | −1,616−10.9% | Reduced |
| Bank of New York Mellon Corp | 13,100 | $762.2K | 0.00% | +630+5.1% | Added |
| 1832 Asset Management L.P. | 12,775 | $743.3K | 0.00% | 00.0% | Unchanged |
| Savant Capital, LLC | 12,355 | $718.8K | 0.00% | −422−3.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 12,217 | $710.8K | 0.00% | +12,217 | New |
| J2 Capital Management Inc | 12,116 | $704.9K | 0.48% | −3,582−22.8% | Reduced |
| HighTower Advisors, LLC | 11,588 | $674.2K | 0.00% | −661−5.4% | Reduced |
| Profund Advisors LLC | 11,368 | $661.4K | 0.02% | −1,770−13.5% | Reduced |
| ExodusPoint Capital Management, LP | 11,363 | $661.1K | 0.01% | +11,363 | New |
| Fox Run Management, L.L.C. | 11,153 | $638.0K | 0.11% | +11,153 | New |
| Colony Group, LLC | 10,605 | $617.0K | 0.00% | +2,950+38.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 9,974 | $580.3K | 0.00% | −292−2.8% | Reduced |
| Royal Bank of Canada | 9,695 | $564.0K | 0.00% | −59,162−85.9% | Reduced |
| Yousif Capital Management, LLC | 9,548 | $555.5K | 0.01% | 00.0% | Unchanged |
| Gallo Partners, LP | 9,483 | $551.7K | 1.06% | +9,483 | New |
| Corient IA LLC | 9,330 | $542.8K | 0.51% | 00.0% | Unchanged |
| Jackson Hole Capital Partners, LLC | 9,239 | $537.5K | 0.09% | 00.0% | Unchanged |
| Group One Trading, L.P. | 8,713 | $506.9K | 0.02% | +6,574+307.3% | Added |
| Strategic Investment Advisors | 8,518 | $495.6K | 0.03% | −987−10.4% | Reduced |
| Gsa Capital Partners LLP | 8,074 | $470.0K | 0.03% | +8,074 | New |
| Marshall Wace, LLP | 8,000 | $465.4K | 0.00% | +8,000 | New |
| BSW Wealth Partners | 7,903 | $459.8K | 0.06% | −21−0.3% | Reduced |
| Sivia Capital Partners, LLC | 7,859 | $457.2K | 0.09% | +7,859 | New |
| Two Sigma Investments, LP | 7,594 | $441.8K | 0.00% | 00.0% | Unchanged |
| New Vernon Capital Holdings II LLC | 7,581 | $441.1K | 0.33% | 00.0% | Unchanged |
| Centiva Capital, LP | 7,501 | $436.4K | 0.02% | +7,501 | New |
| The PNC Financial Services Group, Inc. | 7,239 | $421.2K | 0.00% | +416+6.1% | Added |
| SG Americas Securities, LLC | 7,002 | $407.0K | 0.00% | +7,002 | New |
| Merit Financial Group, LLC | 6,959 | $404.9K | 0.00% | +6,959 | New |
| UBS Asset Management Americas Inc | 6,872 | $399.8K | 0.00% | +5,620+448.9% | Added |
| CAPROCK Group, Inc. | 6,808 | $396.1K | 0.01% | −8,757−56.3% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 6,798 | $395.0K | 0.00% | −1,503−18.1% | Reduced |
| Sequoia Financial Advisors, LLC | 6,764 | $393.5K | 0.00% | +103+1.5% | Added |
| Integrated Wealth Concepts LLC | 6,750 | $392.7K | 0.00% | −12,131−64.2% | Reduced |
| Baron Wealth Management LLC | 6,732 | $391.7K | 0.12% | +169+2.6% | Added |
| Aaron Wealth Advisors | 6,653 | $387.1K | 0.02% | +1,203+22.1% | Added |
| Sanchez Gaunt Capital Management, LLC | 6,581 | $382.9K | 0.24% | +6,581 | New |
| Cetera Investment Advisers | 6,558 | $381.6K | 0.00% | +112+1.7% | Added |
| BCJ Capital Management, LLC | 6,531 | $380.0K | 0.02% | +6,531 | New |
| Greenleaf Trust | 6,495 | $377.9K | 0.00% | +491+8.2% | Added |
| Rhumbline Advisers | 6,435 | $374.4K | 0.00% | +458+7.7% | Added |
| Ballentine Partners, LLC | 6,369 | $370.5K | 0.01% | +810+14.6% | Added |
| R Squared Ltd | 6,246 | $363.4K | 0.20% | −6,746−51.9% | Reduced |
| BNP Paribas Arbitrage, SA | 6,049 | $351.9K | 0.00% | −28,107−82.3% | Reduced |
| United Capital Financial Advisers, LLC | 5,981 | $348.0K | 0.00% | −335−5.3% | Reduced |
| Glenmede Trust Co NA | 5,820 | $338.6K | 0.00% | +6+0.1% | Added |
| Rossby Financial, LCC | 5,615 | $325.2K | 0.07% | −34−0.6% | Reduced |
| Lester Murray Antman dba SimplyRich | 5,600 | $325.0K | 0.08% | +5,600 | New |
| Versant Capital Management, Inc | 5,248 | $305.3K | 0.03% | +587+12.6% | Added |
| Pinnacle Wealth Planning Services, Inc. | 5,174 | $301.0K | 0.03% | −1,004−16.3% | Reduced |
| EverSource Wealth Advisors, LLC | 5,100 | $296.7K | 0.01% | +1,142+28.9% | Added |
| We Are One Seven, LLC | 5,036 | $293.0K | 0.01% | −967−16.1% | Reduced |
| Parallel Advisors, LLC | 4,971 | $289.2K | 0.01% | +1,306+35.6% | Added |
| Rockefeller Capital Management L.P. | 4,925 | $286.5K | 0.00% | +3,123+173.3% | Added |
| Evolve Private Wealth, LLC | 4,920 | $286.2K | 0.02% | +4,920 | New |
| Allspring Global Investments Holdings, LLC | 4,818 | $280.2K | 0.00% | +4,818 | New |
| RSM US Wealth Management LLC | 4,600 | $267.6K | 0.00% | +4,600 | New |
| Cambridge Investment Research Advisors, Inc. | 4,318 | $251.0K | 0.00% | +4,318 | New |
| Stirlingshire Investments, Inc. | 4,040 | $235.0K | 0.21% | +4,040 | New |
| Basecamp Wealth Advisors LLC | 4,024 | $234.1K | 0.05% | −22−0.5% | Reduced |
| Advyzon Investment Management, LLC | 4,013 | $233.5K | 0.02% | +4,013 | New |
| Syon Capital LLC | 3,995 | $232.4K | 0.01% | +3,995 | New |
| Neuberger Berman Group LLC | 3,837 | $223.2K | 0.00% | +3,837 | New |
| Franklin Resources Inc | 3,778 | $219.8K | 0.00% | +3,778 | New |
| Raymond James Financial Inc | 3,730 | $217.0K | 0.00% | +3,730 | New |
| Fayez Sarofim & Co | 3,658 | $212.8K | 0.00% | +3,658 | New |
| PDS Planning, Inc | 3,593 | $209.0K | 0.01% | +3,593 | New |
| Larry Mathis Financial Planning, LLC | 3,573 | $207.9K | 0.19% | +3,573 | New |
| D'Orazio & Associates, Inc. | 3,499 | $203.6K | 0.03% | +3,499 | New |
| Virtus Investment Advisers, Inc. | 3,298 | $191.9K | 0.05% | −963−22.6% | Reduced |
| Acadian Asset Management LLC | 3,050 | $176.0K | 0.00% | +939+44.5% | Added |
| Farther Finance Advisors, LLC | 2,506 | $145.1K | 0.00% | +172+7.4% | Added |
| GAMMA Investing LLC | 2,180 | $126.8K | 0.01% | +368+20.3% | Added |
| Jones Financial Companies LLLP | 2,142 | $124.9K | 0.00% | +1,748+443.7% | Added |
| Brown Brothers Harriman & Co | 1,966 | $114.4K | 0.00% | +1,841+1,472.8% | Added |
| CWM, LLC | 1,777 | $103.4K | 0.00% | +233+15.1% | Added |
| AdvisorNet Financial, Inc | 1,765 | $102.7K | 0.01% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 1,685 | $98.0K | 0.00% | +1,685 | New |
| Smartleaf Asset Management LLC | 1,657 | $94.8K | 0.00% | −50−2.9% | Reduced |
| Covestor Ltd | 1,575 | $92.0K | 0.06% | 00.0% | Unchanged |
| Cromwell Holdings LLC | 1,578 | $91.8K | 0.05% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 1,533 | $89.2K | 0.00% | −2,401−61.0% | Reduced |
| Community Bank, N.A. | 1,000 | $58.2K | 0.01% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 999 | $58.1K | 0.00% | −577−36.6% | Reduced |
| Ronald Blue Trust, Inc. | 873 | $50.8K | 0.00% | +142+19.4% | Added |
| Advisor Group Holdings, Inc. | 853 | $49.7K | 0.00% | −208−19.6% | Reduced |
| Northwestern Mutual Wealth Management Co | 772 | $44.9K | 0.00% | +117+17.9% | Added |
| Bayforest Capital Ltd | 589 | $34.3K | 0.04% | +589 | New |
| MAI Capital Management | 519 | $30.2K | 0.00% | +297+133.8% | Added |
| Palladiem, LLC | 460 | $27.2K | 0.03% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 448 | $26.0K | 0.00% | 00.0% | Unchanged |
| Ares Financial Consulting, LLC | 446 | $25.8K | 0.02% | +446 | New |
| Owl Creek Wealth Partners LLC | 432 | $25.1K | 0.01% | +432 | New |
| WealthCollab, LLC | 397 | $23.1K | 0.01% | 00.0% | Unchanged |