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, Q3 2025
Institutional positions in Tenaris SA as of Sep 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
- +3 vs. Q2 2025
- Shares held
- 35.7M
- −10.2M (−22.2%) vs. Q2 2025
- Total value
- $1.28B
- −$431.2M (−25.2%) vs. Q2 2025
- New holders
- 37
- 82 more added
- Sold out
- 34
- 65 more reduced
3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Tenaris SA; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Quadrant Capital Group LLC | 13,829 | $494.7K | 0.02% | +18+0.1% | Added |
| US Bancorp | 13,447 | $481.0K | 0.00% | −772−5.4% | Reduced |
| TD Waterhouse Canada Inc. | 12,746 | $471.0K | 0.00% | +434+3.5% | Added |
| Dynasty Wealth Management, LLC | 13,068 | $467.4K | 0.01% | +13,068 | New |
| 1832 Asset Management L.P. | 12,775 | $457.0K | 0.00% | 00.0% | Unchanged |
| Ieq Capital, LLC | 12,311 | $440.4K | 0.00% | +5,439+79.1% | Added |
| Savant Capital, LLC | 12,221 | $437.2K | 0.00% | +2,221+22.2% | Added |
| Hennion & Walsh Asset Management, Inc. | 12,217 | $437.0K | 0.02% | +12,217 | New |
| XTX Topco Ltd | 12,187 | $435.9K | 0.02% | −2,551−17.3% | Reduced |
| Bank of New York Mellon Corp | 12,164 | $435.1K | 0.00% | +324+2.7% | Added |
| Hennessy Advisors Inc | 12,000 | $429.2K | 0.01% | 00.0% | Unchanged |
| Centiva Capital, LP | 11,942 | $427.2K | 0.04% | +11,942 | New |
| Citadel Advisors LLC | 11,597 | $414.8K | 0.00% | −1,711,210−99.3% | Reduced |
| DRW Securities, LLC | 11,330 | $412.9K | 0.02% | +11,330 | New |
| Commonwealth Equity Services, LLC | 11,228 | $402.0K | 0.00% | +258+2.4% | Added |
| R Squared Ltd | 11,137 | $398.4K | 0.17% | +2,901+35.2% | Added |
| Two Sigma Investments, LP | 11,094 | $396.8K | 0.00% | −46,100−80.6% | Reduced |
| Profund Advisors LLC | 10,188 | $364.4K | 0.01% | −2,499−19.7% | Reduced |
| Strategic Investment Advisors | 9,865 | $352.7K | 0.03% | −40.0% | Reduced |
| Brevan Howard Capital Management LP | 9,750 | $348.8K | 0.01% | +9,750 | New |
| Yousif Capital Management, LLC | 9,548 | $341.5K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 9,409 | $337.0K | 0.01% | +5,785+159.6% | Added |
| Jackson Hole Capital Partners, LLC | 9,239 | $330.5K | 0.06% | 00.0% | Unchanged |
| MML Investors Services, LLC | 9,115 | $326.1K | 0.00% | +252+2.8% | Added |
| Russell Investments Group, Ltd. | 9,005 | $322.1K | 0.00% | +1,510+20.1% | Added |
| Wealth Enhancement Advisory Services, LLC | 8,693 | $316.4K | 0.00% | −294−3.3% | Reduced |
| Wells Fargo & Company | 8,814 | $315.3K | 0.00% | −435−4.7% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 8,749 | $313.0K | 0.00% | −986−10.1% | Reduced |
| Jain Global LLC | 8,145 | $291.3K | 0.00% | +8,145 | New |
| Graham Capital Management, L.P. | 7,999 | $286.1K | 0.01% | −21,410−72.8% | Reduced |
| First Trust Advisors LP | 7,982 | $285.5K | 0.00% | −78,795−90.8% | Reduced |
| The PNC Financial Services Group, Inc. | 7,961 | $284.8K | 0.00% | −30−0.4% | Reduced |
| BSW Wealth Partners | 7,692 | $275.1K | 0.03% | +7,692 | New |
| Rhumbline Advisers | 6,807 | $243.5K | 0.00% | −1,580−18.8% | Reduced |
| Franklin Resources Inc | 6,727 | $240.6K | 0.00% | +570+9.3% | Added |
| Park Avenue Securities LLC | 6,587 | $236.0K | 0.00% | +6,587 | New |
| Principal Street Partners, LLC | 6,578 | $235.3K | 0.04% | −6,578−50.0% | Reduced |
| West Family Investments, Inc. | 6,481 | $231.8K | 0.05% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 6,332 | $226.5K | 0.03% | −89−1.4% | Reduced |
| Advisors Asset Management, Inc. | 6,259 | $223.9K | 0.00% | −1,679−21.2% | Reduced |
| Baron Wealth Management LLC | 6,029 | $215.6K | 0.07% | +177+3.0% | Added |
| Greenleaf Trust | 6,024 | $215.5K | 0.00% | −19−0.3% | Reduced |
| Flagship Harbor Advisors, LLC | 5,984 | $214.0K | 0.01% | +5,984 | New |
| Sequoia Financial Advisors, LLC | 5,830 | $208.5K | 0.00% | +5,830 | New |
| Cetera Investment Advisers | 5,724 | $204.8K | 0.00% | +5,724 | New |
| Rossby Financial, LCC | 5,539 | $204.7K | 0.07% | +34+0.6% | Added |
| Skopos Labs, Inc. | 5,535 | $204.3K | 0.03% | −52−0.9% | Reduced |
| Bank of Montreal | 5,634 | $201.5K | 0.00% | +284+5.3% | Added |
| We Are One Seven, LLC | 5,629 | $201.3K | 0.00% | −311−5.2% | Reduced |
| Virtus Investment Advisers, Inc. | 4,966 | $177.6K | 0.05% | +259+5.5% | Added |
| Knights of Columbus Asset Advisors LLC | 4,850 | $173.5K | 0.01% | +115+2.4% | Added |
| Versant Capital Management, Inc | 4,205 | $150.4K | 0.02% | +1,168+38.5% | Added |
| EverSource Wealth Advisors, LLC | 4,113 | $147.1K | 0.01% | −335−7.5% | Reduced |
| Parallel Advisors, LLC | 3,655 | $130.7K | 0.00% | −19−0.5% | Reduced |
| Edmond de Rothschild Holding S.A. | 3,200 | $114.5K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 2,297 | $82.2K | 0.00% | −2,941−56.1% | Reduced |
| GAMMA Investing LLC | 1,842 | $65.9K | 0.00% | +206+12.6% | Added |
| AdvisorNet Financial, Inc | 1,765 | $63.1K | 0.00% | 00.0% | Unchanged |
| Cromwell Holdings LLC | 1,578 | $56.4K | 0.03% | 00.0% | Unchanged |
| Covestor Ltd | 1,575 | $56.0K | 0.03% | 00.0% | Unchanged |
| CWM, LLC | 1,560 | $56.0K | 0.00% | +571+57.7% | Added |
| Farther Finance Advisors, LLC | 1,446 | $51.7K | 0.00% | +725+100.6% | Added |
| Smartleaf Asset Management LLC | 1,354 | $48.2K | 0.00% | −29−2.1% | Reduced |
| Advisory Services Network, LLC | 1,321 | $47.2K | 0.00% | +1,321 | New |
| SRS Capital Advisors, Inc. | 1,184 | $42.4K | 0.00% | +1,069+929.6% | Added |
| Ronald Blue Trust, Inc. | 1,054 | $37.7K | 0.00% | −34−3.1% | Reduced |
| Community Bank, N.A. | 1,000 | $35.8K | 0.00% | 00.0% | Unchanged |
| Pinnacle Holdings, LLC | 774 | $27.7K | 0.01% | −56−6.7% | Reduced |
| Ameritas Advisory Services, LLC | 750 | $26.8K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 688 | $24.6K | 0.00% | +37+5.7% | Added |
| Principal Securities, Inc. | 677 | $24.2K | 0.00% | +110+19.4% | Added |
| CIBC Private Wealth Group, LLC | 435 | $15.6K | 0.00% | +435 | New |
| Jones Financial Companies LLLP | 408 | $14.4K | 0.00% | +94+29.9% | Added |
| WealthCollab, LLC | 397 | $14.2K | 0.01% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 377 | $13.5K | 0.00% | +377 | New |
| Rothschild Investment LLC | 328 | $11.7K | 0.00% | +7+2.2% | Added |
| Bruce G. Allen Investments, LLC | 316 | $11.3K | 0.01% | 00.0% | Unchanged |
| Caitlin John, LLC | 300 | $10.7K | 0.01% | +300 | New |
| Wealthspire Advisors, LLC | 283 | $10.1K | 0.00% | +283 | New |
| Umb Bank N A | 262 | $9.37K | 0.00% | −71−21.3% | Reduced |
| Raffa Wealth Management, LLC | 217 | $7.76K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 214 | $7.66K | 0.00% | +201+1,546.2% | Added |
| Boreal Capital Management LLC | 200 | $7.15K | 0.01% | +200 | New |
| Bessemer Group Inc | 196 | $7.00K | 0.00% | +138+237.9% | Added |
| Salomon & Ludwin, LLC | 160 | $5.82K | 0.00% | +160 | New |
| Nisa Investment Advisors, LLC | 150 | $5.37K | 0.00% | 00.0% | Unchanged |
| Quest 10 Wealth Builders, Inc. | 150 | $5.37K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 140 | $5.01K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 129 | $4.62K | 0.00% | −39−23.2% | Reduced |
| Larson Financial Group LLC | 122 | $4.36K | 0.00% | +99+430.4% | Added |
| Valued Wealth Advisors LLC | 99 | $3.54K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 97 | $3.47K | 0.00% | +69+246.4% | Added |
| JFS Wealth Advisors, LLC | 89 | $3.18K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 87 | $3.11K | 0.00% | −467−84.3% | Reduced |
| UMA Financial Services, Inc. | 86 | $3.08K | 0.00% | −15−14.9% | Reduced |
| Bell Investment Advisors, Inc | 74 | $2.65K | 0.00% | 00.0% | Unchanged |
| Bare Financial Services, Inc | 71 | $2.54K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 67 | $2.40K | 0.00% | −30−30.9% | Reduced |
| Toth Financial Advisory Corp | 40 | $1.43K | 0.00% | 00.0% | Unchanged |
| Highline Wealth Partners LLC | 40 | $1.43K | 0.00% | 00.0% | Unchanged |