Tenaris SA-ADRTS
13F holders, Q3 2025 (September 30)222holders
36new positions
34sold out
6famous investors
$35.77avg. 13F price*
At the end of Q3 2025, 222 institutions reported holding Tenaris SA-ADR (TS) in their 13F filings, unchanged from Q2 2025. 36 opened new positions and 34 sold out. The largest holders were Westwood Global Investments, LLC ($271.6M), Renaissance Technologies ($119.9M) and FMR LLC ($82.1M). 6 famous investors held it, including Jim Simons / Peter Brown (0.2% of Renaissance Technologies's portfolio), Jeremy Grantham (0.0% of GMO's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Tenaris SA-ADR
- CUSIP
- 88031M109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 36 | $19.3M |
| Exits | 34 | $303.9M |
All 13F filers, Q2 2025 → Q3 2025: 3,569,805 shares bought and 13,781,410 shares sold, net −10,211,605 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 222 holders
| Westwood Global Investments, LLC | 6.78% | Reduce -3.1% | 7,591,660 | $271.6M |
| Renaissance Technologies | 0.16% | Add +15.9% | 3,350,644 | $119.9M |
| FMR LLC | 0.00% | Reduce -0.1% | 2,295,249 | $82.1M |
| Wellington Management Group LLP | 0.01% | Add +1.8% | 2,135,993 | $76.4M |
| T. Rowe Price Associates Inc. | 0.01% | Add +5.3% | 1,787,345 | $63.9M |
| Van Eck Associates Corp. | 0.05% | Reduce -0.3% | 1,610,593 | $57.6M |
| Encompass Capital Advisors LLC | 2.31% | Reduce -17.3% | 1,432,704 | $51.2M |
| Morgan Stanley | 0.00% | Add +4.7% | 1,171,617 | $41.9M |
| Dimensional Fund Advisors LP | 0.01% | Add +20.5% | 1,134,260 | $40.6M |
| Optiver Holding B.V. | 0.53% | Add +186.8% | 905,328 | $32.4M |
| Abc Arbitrage SA | 2.73% | Add +65.9% | 775,204 | $27.7M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -24.2% | 705,183 | $25.2M |
| BlackRock, Inc. | 0.00% | Add +2.2% | 641,138 | $22.9M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -18.3% | 602,886 | $21.6M |
| D. E. Shaw & Co. | 0.02% | Add +168.9% | 597,082 | $21.4M |
| Millennium Management | 0.02% | Reduce -26.1% | 574,423 | $20.5M |
| Medina Value Partners, LLC | 4.69% | Add +0.9% | 560,954 | $20.1M |
| Assetmark, Inc. | 0.04% | Add +2.3% | 480,215 | $17.2M |
| Harding Loevner LP | 0.11% | Reduce -9.4% | 408,147 | $14.6M |
| Jane Street Group, LLC | 0.02% | Add +28.1% | 378,260 | $13.5M |
| Royal Bank of Canada | 0.00% | Add +9.5% | 328,799 | $11.8M |
| Jump Financial, LLC | 0.15% | Add +27.6% | 319,947 | $11.4M |
| Kiltearn Partners LLP | 2.14% | Reduce -6.6% | 298,459 | $10.7M |
| SIR Capital Management, L.P. | 0.93% | Reduce -57.9% | 290,097 | $10.4M |
| GMO | 0.03% | Add +6.7% | 270,880 | $9.7M |
| UBS Group AG | 0.00% | Reduce -83.0% | 269,522 | $9.6M |
| Trexquant Investment LP | 0.09% | Add +2.9% | 250,866 | $9.0M |
| Qube Research & Technologies Ltd | 0.01% | New | 240,918 | $8.6M |
| Northern Trust Corp. | 0.00% | Reduce -0.3% | 230,056 | $8.2M |
| Tower Research Capital LLC (TRC) | 0.23% | Add +3779.7% | 228,748 | $8.2M |
| Bank of America Corp. | 0.00% | Reduce -67.5% | 193,779 | $6.9M |
| Legal & General Group Plc | 0.00% | Reduce -8.5% | 189,252 | $6.8M |
| State Street Corp. | 0.00% | Reduce -0.9% | 144,938 | $5.2M |
| Ethic Inc. | 0.08% | Add +4.6% | 129,167 | $4.6M |
| Lazard Asset Management LLC | 0.01% | Reduce -16.1% | 124,508 | $4.5M |
| Silvercrest Asset Management Group LLC | 0.03% | Add +0.2% | 109,776 | $3.9M |
| Quantinno Capital Management LP | 0.01% | Add +42.7% | 95,966 | $3.4M |
| Invesco Ltd. | 0.00% | Add +28.2% | 88,872 | $3.2M |
| Summit Securities Group LLC | 1.02% | Add +41.6% | 86,766 | $3.1M |
| Pureheart Capital Pte Ltd. | 0.69% | New | 86,000 | $3.1M |
| KLP Kapitalforvaltning As | 0.01% | Add +183.3% | 85,000 | $3.0M |
| Y-Intercept (Hong Kong) Ltd | 0.07% | Add +1183.9% | 84,686 | $3.0M |
| Quantbot Technologies LP | 0.07% | Add +166.3% | 75,933 | $2.7M |
| Aventail Capital Group, LP | 0.13% | Reduce -60.0% | 74,210 | $2.7M |
| AQR Capital Management | 0.00% | Add +77.6% | 70,856 | $2.5M |
| Citigroup Inc. | 0.00% | Add +36.0% | 67,350 | $2.4M |
| O'shaughnessy Asset Management, LLC | 0.01% | Reduce -13.9% | 66,204 | $2.4M |
| Ruffer LLP | 0.12% | No change | 59,349 | $2.1M |
| Manning & Napier Advisors LLC | 0.03% | Reduce -7.8% | 55,461 | $2.0M |
| Crossmark Global Holdings, Inc. | 0.03% | Add +13.9% | 50,413 | $1.8M |
| Highland Capital Management, LLC | 0.09% | Add +2.5% | 49,245 | $1.8M |
| Mercer Global Advisors Inc. | 0.00% | Add +119.4% | 48,158 | $1.7M |
| BNP Paribas Financial Markets | 0.00% | Reduce -0.2% | 48,149 | $1.7M |
| Squarepoint Ops LLC | 0.00% | Add +173.8% | 46,792 | $1.7M |
| QRG Capital Management, Inc. | 0.02% | Reduce -20.0% | 46,201 | $1.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +7.3% | 45,639 | $1.6M |
| Creative Planning | 0.00% | Add +8.0% | 44,095 | $1.6M |
| LMR Partners LLP | 0.03% | New | 42,122 | $1.5M |
| Integrated Quantitative Investments LLC | 0.42% | No change | 41,145 | $1.5M |
| New York State Common Retirement Fund | 0.00% | No change | 41,145 | $1.5M |
| Pathstone Holdings, LLC | 0.01% | Add +3.0% | 40,787 | $1.5M |
| Campbell & CO Investment Adviser LLC | 0.10% | Reduce -43.1% | 37,563 | $1.3M |
| Osaic Holdings, Inc. | 0.00% | Reduce -2.3% | 35,871 | $1.3M |
| Engineers Gate Manager LP | 0.01% | Reduce -51.4% | 35,100 | $1.3M |
| CSS LLC | 0.22% | Add +38.9% | 34,580 | $1.2M |
| Aquatic Capital Management LLC | 0.02% | New | 33,967 | $1.2M |
| Exencial Wealth Advisors, LLC | 0.04% | Add +3.6% | 33,953 | $1.2M |
| Guggenheim Capital LLC | 0.01% | Reduce -0.0% | 31,688 | $1.1M |
| Mariner, LLC | 0.00% | Reduce -12.6% | 29,793 | $1.1M |
| Viking Fund Management LLC | 0.12% | No change | 28,000 | $1.0M |
| Corient Private Wealth LP | 0.00% | Add +139.3% | 27,614 | $988K |
| Vanguard Group Inc. | 0.00% | No change | 26,589 | $951K |
| OMERS ADMINISTRATION Corp | 0.01% | Add +176.0% | 26,500 | $948K |
| Cerity Partners LLC | 0.00% | Add +5.6% | 25,064 | $897K |
| Evergreen Capital Management LLC | 0.02% | Add +23.3% | 24,963 | $893K |
| Thornburg Investment Management Inc. | 0.01% | Reduce -5.5% | 23,649 | $846K |
| Ameriprise Financial Inc. | 0.00% | Add +1.9% | 23,591 | $844K |
| Vanguard Personalized Indexing Management, LLC | 0.01% | Reduce -5.7% | 23,493 | $840K |
| Capital Insight Partners, LLC | 0.14% | Reduce -19.4% | 23,485 | $840K |
| LPL Financial LLC | 0.00% | Add +0.9% | 22,380 | $801K |
| Cornerstone Wealth Management, LLC | 0.04% | Reduce -6.6% | 21,580 | $772K |
| Susquehanna International Group, LLP | 0.00% | Add +52.7% | 21,466 | $768K |
| Cadence Wealth Management LLC | 0.40% | Add +3.8% | 21,393 | $765K |
| Integrated Wealth Concepts LLC | 0.01% | New | 20,117 | $720K |
| Gabelli Funds LLC | 0.00% | No change | 20,000 | $715K |
| Signaturefd, LLC | 0.01% | Add +0.2% | 18,130 | $649K |
| Vident Advisory, LLC | 0.01% | Add +2.8% | 18,004 | $644K |
| Sei Investments Co. | 0.00% | Add +7.5% | 17,964 | $643K |
| Bayforest Capital Ltd | 0.30% | Add +7.5% | 17,375 | $622K |
| JPMorgan Chase & Co. | 0.00% | Add +2.1% | 17,229 | $616K |
| HighTower Advisors, LLC | 0.00% | Add +9.9% | 16,340 | $584K |
| Laird Norton Wetherby Wealth Management, LLC | 0.02% | Reduce -4.2% | 16,268 | $582K |
| American Century Companies Inc. | 0.00% | No change | 16,075 | $575K |
| Callan Family Office, LLC | 0.02% | Reduce -12.7% | 15,921 | $569K |
| J2 Capital Management Inc | 0.43% | Add +0.1% | 15,876 | $568K |
| Caprock Group, LLC | 0.01% | — | 15,549 | $563K |
| Corient IA LP | 0.40% | No change | 15,000 | $537K |
| Naples Global Advisors, LLC | 0.04% | Add +8.9% | 14,910 | $533K |
| Altrinsic Global Advisors LLC | 0.02% | Reduce -0.9% | 14,768 | $528K |
| HRT Financial LP | 0.00% | New | 14,714 | $526K |
"% of holder's portfolio" is TS's weight in each manager's 13F, not the share of Tenaris SA-ADR the manager owns.