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, Q4 2025
Institutional positions in Tenaris SA as of Dec 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
- 229
- +9 vs. Q3 2025
- Shares held
- 32.9M
- −2.75M (−7.7%) vs. Q3 2025
- Total value
- $1.27B
- −$9.96M (−0.8%) vs. Q3 2025
- New holders
- 47
- 76 more added
- Sold out
- 38
- 70 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Tenaris SA; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| West Family Investments, Inc. | 6,481 | $249.2K | 0.06% | 00.0% | Unchanged |
| Baron Wealth Management LLC | 6,563 | $252.4K | 0.08% | +534+8.9% | Added |
| Sequoia Financial Advisors, LLC | 6,661 | $256.1K | 0.00% | +831+14.3% | Added |
| The PNC Financial Services Group, Inc. | 6,823 | $262.3K | 0.00% | −1,138−14.3% | Reduced |
| Jain Global LLC | 7,545 | $290.1K | 0.00% | −600−7.4% | Reduced |
| New Vernon Capital Holdings II LLC | 7,581 | $291.5K | 0.14% | +7,581 | New |
| Two Sigma Investments, LP | 7,594 | $292.0K | 0.00% | −3,500−31.5% | Reduced |
| Colony Group, LLC | 7,655 | $294.3K | 0.00% | +7,655 | New |
| BSW Wealth Partners | 7,924 | $304.7K | 0.04% | +232+3.0% | Added |
| DRW Securities, LLC | 7,946 | $305.5K | 0.02% | −3,384−29.9% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 8,301 | $335.0K | 0.00% | −392−4.5% | Reduced |
| Wells Fargo & Company | 8,724 | $335.5K | 0.00% | −90−1.0% | Reduced |
| Jackson Hole Capital Partners, LLC | 9,239 | $355.2K | 0.06% | 00.0% | Unchanged |
| Corient IA LLC | 9,330 | $358.7K | 0.34% | −5,670−37.8% | Reduced |
| Strategic Investment Advisors | 9,505 | $365.5K | 0.03% | −360−3.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 10,266 | $401.1K | 0.00% | +1,517+17.3% | Added |
| Yousif Capital Management, LLC | 9,548 | $404.4K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 10,835 | $416.6K | 0.00% | +1,830+20.3% | Added |
| Engineers Gate Manager LP | 11,186 | $430.1K | 0.01% | −23,914−68.1% | Reduced |
| Commonwealth Equity Services, LLC | 11,469 | $441.0K | 0.00% | +241+2.1% | Added |
| Hennessy Advisors Inc | 12,000 | $461.4K | 0.02% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 12,249 | $471.0K | 0.00% | −4,091−25.0% | Reduced |
| Bank of New York Mellon Corp | 12,470 | $479.5K | 0.00% | +306+2.5% | Added |
| CI Private Wealth, LLC | 12,482 | $479.9K | 0.00% | −15,132−54.8% | Reduced |
| 1832 Asset Management L.P. | 12,775 | $491.2K | 0.00% | 00.0% | Unchanged |
| Savant Capital, LLC | 12,777 | $491.3K | 0.00% | +556+4.5% | Added |
| TD Waterhouse Canada Inc. | 12,907 | $496.3K | 0.00% | +161+1.3% | Added |
| R Squared Ltd | 12,992 | $499.5K | 0.23% | +1,855+16.7% | Added |
| Profund Advisors LLC | 13,138 | $505.2K | 0.02% | +2,950+29.0% | Added |
| Quadrant Capital Group LLC | 13,709 | $527.1K | 0.02% | −120−0.9% | Reduced |
| Altrinsic Global Advisors LLC | 14,209 | $546.3K | 0.02% | −559−3.8% | Reduced |
| Dynasty Wealth Management, LLC | 14,848 | $570.9K | 0.01% | +1,780+13.6% | Added |
| Ieq Capital, LLC | 15,039 | $578.3K | 0.00% | +2,728+22.2% | Added |
| Hantz Financial Services, Inc. | 15,517 | $597.0K | 0.01% | +6,108+64.9% | Added |
| CAPROCK Group, Inc. | 15,565 | $598.5K | 0.01% | +16+0.1% | Added |
| J2 Capital Management Inc | 15,698 | $603.6K | 0.44% | −178−1.1% | Reduced |
| Chesapeake Capital Corp | 16,287 | $626.2K | 0.52% | +16,287 | New |
| Naples Global Advisors, LLC | 16,310 | $627.1K | 0.05% | +1,400+9.4% | Added |
| Toroso Investments, LLC | 17,213 | $661.8K | 0.00% | +17,213 | New |
| Vident Advisory, LLC | 17,250 | $663.3K | 0.01% | −754−4.2% | Reduced |
| American Century Companies Inc | 17,525 | $673.8K | 0.00% | +1,450+9.0% | Added |
| QRG Capital Management, Inc. | 17,609 | $677.1K | 0.01% | −28,592−61.9% | Reduced |
| Skopos Labs, Inc. | 17,876 | $688.7K | 0.03% | +12,341+223.0% | Added |
| Signaturefd, LLC | 18,584 | $714.6K | 0.01% | +454+2.5% | Added |
| Integrated Wealth Concepts LLC | 18,881 | $726.0K | 0.01% | −1,236−6.1% | Reduced |
| Beck Bode, LLC | 19,299 | $742.0K | 0.12% | +19,299 | New |
| JPMorgan Chase & Co | 19,415 | $746.5K | 0.00% | +2,186+12.7% | Added |
| US Bancorp | 19,834 | $762.6K | 0.00% | +6,387+47.5% | Added |
| Gabelli Funds LLC | 20,000 | $769.0K | 0.01% | 00.0% | Unchanged |
| SEI Investments Co | 20,232 | $777.9K | 0.00% | +2,268+12.6% | Added |
| LPL Financial LLC | 20,471 | $787.1K | 0.00% | −1,909−8.5% | Reduced |
| Bridgefront Capital, LLC | 21,106 | $811.5K | 0.20% | +21,106 | New |
| Thornburg Investment Management Inc | 21,297 | $818.9K | 0.01% | −2,352−9.9% | Reduced |
| Vestmark Advisory Solutions, Inc. | 21,541 | $828.3K | 0.01% | +21,541 | New |
| Capital Fund Management S.A. | 21,818 | $838.9K | 0.01% | +21,818 | New |
| Cadence Wealth Management LLC | 22,012 | $846.4K | 0.41% | +619+2.9% | Added |
| JustInvest LLC | 22,729 | $873.9K | 0.01% | −764−3.3% | Reduced |
| Ameriprise Financial Inc | 22,896 | $880.4K | 0.00% | −695−2.9% | Reduced |
| Evergreen Capital Management LLC | 23,157 | $890.4K | 0.02% | −1,806−7.2% | Reduced |
| Laird Norton Trust Company, LLC | 23,494 | $903.3K | 0.02% | +23,494 | New |
| Callan Family Office, LLC | 23,643 | $909.1K | 0.02% | +7,722+48.5% | Added |
| Hennion & Walsh Asset Management, Inc. | 24,870 | $956.3K | 0.03% | +12,653+103.6% | Added |
| Vanguard Group Inc | 26,589 | $1.02M | 0.00% | 00.0% | Unchanged |
| Viking Fund Management LLC | 28,000 | $1.08M | 0.12% | 00.0% | Unchanged |
| Mork Capital Management, LLC | 28,320 | $1.09M | 0.66% | +28,320 | New |
| Envestnet Asset Management Inc | 28,662 | $1.10M | 0.00% | +28,662 | New |
| Susquehanna International Group, LLP | 29,586 | $1.14M | 0.00% | +8,120+37.8% | Added |
| Cerity Partners LLC | 30,051 | $1.16M | 0.00% | +4,987+19.9% | Added |
| Mariner, LLC | 31,225 | $1.20M | 0.00% | +1,432+4.8% | Added |
| CSS LLC | 34,080 | $1.31M | 0.07% | −500−1.4% | Reduced |
| BNP Paribas Arbitrage, SA | 34,156 | $1.31M | 0.00% | −13,993−29.1% | Reduced |
| Exencial Wealth Advisors, LLC | 35,192 | $1.35M | 0.04% | +1,239+3.6% | Added |
| Lighthouse Investment Partners, LLC | 36,000 | $1.38M | 0.05% | +36,000 | New |
| Guggenheim Capital LLC | 36,169 | $1.39M | 0.01% | +4,481+14.1% | Added |
| Pathstone Holdings, LLC | 38,787 | $1.49M | 0.01% | −2,000−4.9% | Reduced |
| Mercer Global Advisors Inc | 40,192 | $1.55M | 0.00% | −7,966−16.5% | Reduced |
| New York State Common Retirement Fund | 42,819 | $1.65M | 0.00% | +1,674+4.1% | Added |
| Integrated Quantitative Investments LLC | 42,819 | $1.65M | 0.35% | +1,674+4.1% | Added |
| Highland Capital Management, LLC | 44,070 | $1.69M | 0.08% | −5,175−10.5% | Reduced |
| Fearnley Asset Management AS | 48,000 | $1.85M | 0.85% | +48,000 | New |
| Citigroup Inc | 48,035 | $1.85M | 0.00% | −19,315−28.7% | Reduced |
| Crossmark Global Holdings, Inc. | 49,736 | $1.91M | 0.03% | −677−1.3% | Reduced |
| Charles Schwab Investment Management Inc | 51,784 | $1.99M | 0.00% | +6,145+13.5% | Added |
| O'Shaughnessy Asset Management, LLC | 52,736 | $2.03M | 0.01% | −13,468−20.3% | Reduced |
| Manning & Napier Advisors LLC | 53,908 | $2.09M | 0.03% | −1,553−2.8% | Reduced |
| Creative Planning | 57,812 | $2.22M | 0.00% | +13,717+31.1% | Added |
| Lazard Asset Management LLC | 57,968 | $2.23M | 0.00% | −66,540−53.4% | Reduced |
| Aventail Capital Group, LP | 61,163 | $2.35M | 0.14% | −13,047−17.6% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 63,601 | $2.45M | 0.05% | −21,085−24.9% | Reduced |
| Royal Bank of Canada | 68,857 | $2.65M | 0.00% | −259,942−79.1% | Reduced |
| Aquatic Capital Management LLC | 81,396 | $3.13M | 0.09% | +47,429+139.6% | Added |
| Blackstone Group Inc. | 84,597 | $3.25M | 0.01% | +84,597 | New |
| Tower Research Capital LLC (TRC) | 99,933 | $3.84M | 0.09% | −128,815−56.3% | Reduced |
| XTX Topco Ltd | 101,844 | $3.92M | 0.10% | +89,657+735.7% | Added |
| Silvercrest Asset Management Group LLC | 102,133 | $3.93M | 0.03% | −7,643−7.0% | Reduced |
| AQR Capital Management LLC | 110,857 | $4.26M | 0.00% | +40,001+56.5% | Added |
| Old Mission Capital LLC | 117,117 | $4.50M | 0.17% | +117,117 | New |
| Quantinno Capital Management LP | 121,076 | $4.66M | 0.01% | +25,110+26.2% | Added |
| LMR Partners LLP | 126,422 | $4.86M | 0.05% | +84,300+200.1% | Added |
| Ethic Inc. | 144,124 | $5.54M | 0.09% | +14,957+11.6% | Added |