Tenaris SA-ADRTS
13F holders, Q1 2026 (March 31)264holders +35
66new positions
32sold out
6famous investors
$58.19avg. 13F price*
At the end of Q1 2026, 264 institutions reported holding Tenaris SA-ADR (TS) in their 13F filings, up 35 from Q4 2025. 66 opened new positions and 32 sold out. The largest holders were FMR LLC ($480.1M), Westwood Global Investments, LLC ($388.3M) and Renaissance Technologies ($186.2M). 6 famous investors held it, including Jim Simons / Peter Brown (0.3% of Renaissance Technologies's portfolio), Jeremy Grantham (0.1% of GMO's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Tenaris SA-ADR
- CUSIP
- 88031M109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 66 | $171.4M |
| Exits | 32 | $81.0M |
All 13F filers, Q4 2025 → Q1 2026: 11,524,703 shares bought and 5,128,385 shares sold, net +6,396,318 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 264 holders
| FMR LLC | 0.03% | Add +275.3% | 8,251,759 | $480.1M |
| Westwood Global Investments, LLC | 14.47% | Reduce -8.2% | 6,673,718 | $388.3M |
| Renaissance Technologies | 0.29% | Add +7.9% | 3,199,744 | $186.2M |
| Van Eck Associates Corp. | 0.13% | Add +43.3% | 2,893,032 | $168.3M |
| Wellington Management Group LLP | 0.03% | Reduce -10.3% | 2,405,034 | $139.9M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -12.4% | 1,445,210 | $84.1M |
| Morgan Stanley | 0.00% | Add +0.7% | 1,178,069 | $68.5M |
| Invesco Ltd. | 0.01% | Add +113.9% | 1,168,472 | $68.0M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -9.2% | 1,121,007 | $65.2M |
| Driehaus Capital Management LLC | 0.38% | New | 888,346 | $51.7M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -12.0% | 720,894 | $41.9M |
| BlackRock, Inc. | 0.00% | Add +2.8% | 715,791 | $41.6M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -1.5% | 646,854 | $38.1M |
| CWA Asset Management Group, LLC | 1.01% | New | 506,550 | $29.5M |
| UBS Group AG | 0.01% | Add +124.0% | 498,978 | $29.0M |
| Assetmark, Inc. | 0.06% | Reduce -2.6% | 490,777 | $28.6M |
| GMO | 0.05% | Add +4.6% | 347,584 | $20.2M |
| Carrhae Capital LLP | 1.39% | New | 337,428 | $19.6M |
| Harding Loevner LP | 0.18% | Reduce -5.9% | 292,858 | $17.0M |
| Citadel Advisors | 0.01% | Reduce -68.6% | 292,423 | $17.0M |
| Medina Value Partners, LLC | 3.09% | Reduce -54.9% | 253,362 | $14.7M |
| Capital Wealth Planning, LLC | 0.08% | New | 240,514 | $14.0M |
| Northern Trust Corp. | 0.00% | Reduce -3.2% | 217,898 | $12.7M |
| Kiltearn Partners LLP | 3.21% | Reduce -17.7% | 204,859 | $11.9M |
| State Street Corp. | 0.00% | Add +1.3% | 203,178 | $11.8M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | New | 178,439 | $10.4M |
| Bank of America Corp. | 0.00% | Reduce -53.0% | 158,437 | $9.2M |
| Legal & General Group Plc | 0.00% | Reduce -12.8% | 146,515 | $8.5M |
| Quantinno Capital Management LP | 0.01% | Add +20.9% | 146,347 | $8.5M |
| National Bank of Canada | 0.01% | New | 145,855 | $8.5M |
| AQR Capital Management | 0.00% | Add +31.2% | 145,427 | $8.5M |
| Ethic Inc. | 0.11% | Reduce -12.9% | 125,572 | $7.3M |
| Fearnley Asset Management As | 2.14% | Add +134.8% | 112,700 | $6.6M |
| Jane Street Group, LLC | 0.01% | New | 100,838 | $5.9M |
| Silvercrest Asset Management Group LLC | 0.04% | Reduce -1.4% | 100,738 | $5.9M |
| Aventail Capital Group, LP | 0.25% | Add +42.8% | 87,367 | $5.1M |
| Leuthold Group, LLC | 0.52% | New | 83,994 | $4.9M |
| Creative Planning | 0.00% | Add +26.0% | 72,820 | $4.2M |
| Millennium Management | 0.00% | Reduce -56.0% | 68,723 | $4.0M |
| Integrated Quantitative Investments LLC | 0.70% | Add +56.0% | 66,798 | $3.9M |
| GTS Securities LLC | 0.13% | New | 62,686 | $3.6M |
| Citigroup Inc. | 0.00% | Add +27.9% | 61,446 | $3.6M |
| Lazard Asset Management LLC | 0.01% | Add +0.5% | 58,252 | $3.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +10.7% | 57,342 | $3.3M |
| Manning & Napier Advisors LLC | 0.04% | Reduce -2.6% | 52,491 | $3.1M |
| Guggenheim Capital LLC | 0.02% | Add +37.3% | 49,646 | $2.9M |
| Crossmark Global Holdings, Inc. | 0.04% | Reduce -2.5% | 48,485 | $2.8M |
| O'shaughnessy Asset Management, LLC | 0.01% | Reduce -15.8% | 44,417 | $2.6M |
| Wells Fargo & Company | 0.00% | Add +408.8% | 44,387 | $2.6M |
| Highland Capital Management, LLC | 0.14% | Reduce -0.3% | 43,920 | $2.6M |
| Vident Advisory, LLC | 0.02% | Add +149.5% | 43,041 | $2.5M |
| Lighthouse Investment Partners, LLC | 0.09% | Add +18.1% | 42,500 | $2.5M |
| Campbell & CO Investment Adviser LLC | 0.14% | New | 41,043 | $2.4M |
| Mariner, LLC | 0.00% | Add +29.1% | 40,307 | $2.3M |
| Pathstone Holdings, LLC | 0.01% | Add +3.9% | 40,287 | $2.3M |
| HRT Financial LP | 0.01% | New | 39,774 | $2.3M |
| Mercer Global Advisors Inc. | 0.00% | Reduce -16.3% | 33,637 | $2.0M |
| New York State Common Retirement Fund | 0.00% | Reduce -22.0% | 33,399 | $1.9M |
| Brooklyn Investment Group | 0.06% | Add +82.8% | 32,676 | $1.9M |
| Caitong International Asset Management Co., Ltd | 0.35% | Add +536783.3% | 32,213 | $1.9M |
| Cerity Partners LLC | 0.00% | Add +5.2% | 31,623 | $1.8M |
| Bank of Montreal | 0.00% | Add +433.5% | 30,336 | $1.8M |
| American Century Companies Inc. | 0.00% | Add +64.0% | 28,734 | $1.7M |
| Bridgewater Associates | 0.01% | New | 28,630 | $1.7M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -1.0% | 28,363 | $1.7M |
| Mork Capital Management, LLC | 1.17% | No change | 28,320 | $1.6M |
| Sei Investments Co. | 0.00% | Add +32.1% | 26,728 | $1.6M |
| CSS LLC | 0.24% | Reduce -21.8% | 26,650 | $1.6M |
| Vanguard Capital Management LLC | 0.00% | — | 26,589 | $1.5M |
| TD Waterhouse Canada Inc. | 0.00% | Add +104.7% | 26,422 | $1.5M |
| LPL Financial LLC | 0.00% | Add +24.3% | 25,442 | $1.5M |
| Viking Fund Management LLC | 0.15% | Reduce -10.7% | 25,000 | $1.5M |
| Hennion & Walsh Asset Management, Inc. | 0.05% | Reduce -3.3% | 24,042 | $1.4M |
| Callan Family Office, LLC | 0.03% | Add +1.4% | 23,970 | $1.4M |
| Evergreen Capital Management LLC | 0.03% | Add +3.4% | 23,948 | $1.4M |
| Cadence Wealth Management LLC | 0.58% | Add +7.7% | 23,710 | $1.4M |
| Ameriprise Financial Inc. | 0.00% | Add +2.4% | 23,446 | $1.4M |
| Laird Norton Wetherby Trust Company, LLC | 0.03% | Reduce -0.8% | 23,295 | $1.4M |
| FORA Capital, LLC | 0.10% | New | 22,994 | $1.3M |
| Susquehanna International Group, LLP | 0.00% | Reduce -23.2% | 22,712 | $1.3M |
| Walleye Trading LLC | 0.03% | New | 22,182 | $1.3M |
| Beck Bode, LLC | 0.21% | Add +9.6% | 21,154 | $1.2M |
| Vanguard Personalized Indexing Management, LLC | 0.01% | Reduce -8.6% | 20,783 | $1.2M |
| Gabelli Funds LLC | 0.01% | No change | 20,000 | $1.2M |
| JPMorgan Chase & Co. | 0.00% | Reduce -2.1% | 18,997 | $1.1M |
| Hantz Financial Services, Inc. | 0.02% | Add +19.7% | 18,571 | $1.1M |
| Tidal Investments LLC | 0.00% | Add +7.3% | 18,477 | $1.1M |
| Signaturefd, LLC | 0.02% | Reduce -0.8% | 18,426 | $1.1M |
| North of South Capital LLP | 0.09% | New | 18,087 | $1.1M |
| Sanctuary Advisors, LLC | 0.01% | New | 17,631 | $1.0M |
| Illumine Investment Management, LLC | 0.79% | New | 17,603 | $1.0M |
| Chesapeake Capital Corp. | 0.72% | Add +6.1% | 17,281 | $1.0M |
| Thornburg Investment Management Inc. | 0.01% | Reduce -21.1% | 16,792 | $977K |
| Naples Global Advisors, LLC | 0.07% | Add +2.1% | 16,660 | $969K |
| Ieq Capital, LLC | 0.00% | Add +10.6% | 16,634 | $968K |
| Two Sigma Securities, LLC | 0.11% | New | 16,317 | $949K |
| Hennessy Advisors Inc. | 0.03% | Add +35.0% | 16,200 | $943K |
| IMC-Chicago, LLC | 0.01% | New | 15,003 | $873K |
| QRG Capital Management, Inc. | 0.01% | Reduce -15.0% | 14,970 | $871K |
| Quadrant Capital Group LLC | 0.03% | Add +5.4% | 14,452 | $841K |
"% of holder's portfolio" is TS's weight in each manager's 13F, not the share of Tenaris SA-ADR the manager owns.