Tenaris SA-ADRTS
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 226 institutions reported holding Tenaris SA-ADR (TS) in their 13F filings, down 7 from Q4 2024. 29 opened new positions and 35 sold out. The largest holders were Westwood Global Investments, LLC ($300.1M), Citadel Advisors ($147.3M) and Renaissance Technologies ($105.7M). 6 famous investors held it, including Jim Simons / Peter Brown (0.2% of Renaissance Technologies's portfolio), Ken Griffin (0.1% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Tenaris SA-ADR
- CUSIP
- 88031M109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 29 | $118.0M |
| Exits | 35 | $86.5M |
All 13F filers, Q4 2024 → Q1 2025: 11,095,473 shares bought and 10,203,702 shares sold, net +891,771 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 226 holders
| Westwood Global Investments, LLC | 9.28% | Reduce -3.0% | 7,672,759 | $300.1M |
| Citadel Advisors | 0.15% | Add +81.3% | 3,766,310 | $147.3M |
| Renaissance Technologies | 0.16% | Add +7.3% | 2,702,844 | $105.7M |
| Sourcerock Group LLC | 5.40% | Add +17.0% | 2,450,258 | $95.8M |
| Alua Capital Management LP | 7.60% | New | 2,387,363 | $93.4M |
| Wellington Management Group LLP | 0.02% | Reduce -0.2% | 2,327,117 | $91.0M |
| FMR LLC | 0.01% | Reduce -15.0% | 2,324,478 | $90.9M |
| Encompass Capital Advisors LLC | 3.15% | Add +90.7% | 2,097,540 | $82.0M |
| Morgan Stanley | 0.01% | Add +30.9% | 1,831,306 | $71.6M |
| Van Eck Associates Corp. | 0.09% | Reduce -21.3% | 1,817,899 | $71.1M |
| Balyasny Asset Management L.P. | 0.17% | Add +1.3% | 1,714,769 | $67.1M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -9.2% | 1,703,658 | $66.6M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -18.8% | 1,388,426 | $54.3M |
| Merewether Investment Management, LP | 1.84% | Add +141.2% | 1,293,733 | $50.6M |
| Holocene Advisors, LP | 0.14% | Add +307.4% | 1,199,061 | $46.9M |
| Millennium Management | 0.05% | Reduce -58.2% | 1,177,259 | $46.0M |
| UBS Group AG | 0.01% | Add +263.2% | 1,086,106 | $42.5M |
| Massachusetts Financial Services Co. | 0.01% | Add +47.0% | 754,994 | $29.5M |
| BNP Paribas Financial Markets | 0.02% | Add +123.1% | 683,067 | $26.7M |
| BlackRock, Inc. | 0.00% | Reduce -1.6% | 657,168 | $25.7M |
| Harding Loevner LP | 0.18% | Reduce -29.3% | 595,646 | $23.3M |
| Dimensional Fund Advisors LP | 0.01% | Add +37.2% | 574,815 | $22.5M |
| Capstone Investment Advisors, LLC | 0.25% | Add +95.1% | 550,880 | $21.5M |
| Medina Value Partners, LLC | 5.79% | Reduce -8.5% | 517,793 | $20.3M |
| Quadrature Capital Ltd | 0.43% | Add +3.5% | 997,607 | $19.5M |
| Northern Trust Corp. | 0.00% | Add +109.6% | 462,542 | $18.1M |
| Royal Bank of Canada | 0.00% | Add +3.1% | 452,835 | $17.7M |
| Assetmark, Inc. | 0.05% | Add +1.5% | 449,838 | $17.6M |
| Bank of America Corp. | 0.00% | Add +281.9% | 403,746 | $15.8M |
| Orbis Allan Gray Ltd | 0.08% | Reduce -63.3% | 377,357 | $14.8M |
| Pacer Advisors, Inc. | 0.03% | Reduce -7.5% | 288,819 | $11.3M |
| Legal & General Group Plc | 0.00% | Reduce -16.7% | 216,539 | $8.5M |
| GMO | 0.03% | Reduce -49.8% | 213,574 | $8.4M |
| Aventail Capital Group, LP | 0.36% | No change | 185,524 | $7.3M |
| SIR Capital Management, L.P. | 0.62% | Reduce -45.7% | 180,907 | $7.1M |
| Kiltearn Partners LLP | 1.28% | Reduce -41.2% | 171,959 | $6.7M |
| Lazard Asset Management LLC | 0.01% | Add +2.0% | 165,230 | $6.5M |
| Verition Fund Management LLC | 0.04% | New | 164,596 | $6.4M |
| D. E. Shaw & Co. | 0.01% | New | 163,406 | $6.4M |
| ExodusPoint Capital Management, LP | 0.08% | Add +1.0% | 152,084 | $5.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 139,554 | $5.5M |
| Abc Arbitrage SA | 0.96% | Reduce -84.1% | 132,513 | $5.2M |
| Boothbay Fund Management, LLC | 0.18% | Add +17.3% | 125,462 | $4.9M |
| Capital Insight Partners, LLC | 0.79% | Reduce -1.2% | 115,062 | $4.5M |
| Ethic Inc. | 0.09% | Reduce -6.0% | 113,134 | $4.5M |
| SummitTX Capital, L.P. | 0.19% | — | 107,566 | $4.2M |
| Lighthouse Investment Partners, LLC | 0.19% | Reduce -38.5% | 105,000 | $4.1M |
| Marshall Wace, LLP | 0.01% | Reduce -75.9% | 103,130 | $4.0M |
| Optiver Holding B.V. | 0.15% | Reduce -80.1% | 99,275 | $3.9M |
| Silvercrest Asset Management Group LLC | 0.03% | Reduce -0.1% | 97,661 | $3.8M |
| O'shaughnessy Asset Management, LLC | 0.03% | Add +3.0% | 80,990 | $3.2M |
| QRG Capital Management, Inc. | 0.03% | Add +283.2% | 80,338 | $3.1M |
| Citigroup Inc. | 0.00% | Add +57.6% | 79,366 | $3.1M |
| Capital Fund Management S.A. | 0.04% | Reduce -85.0% | 78,120 | $3.1M |
| Two Sigma Investments, LP | 0.01% | No change | 77,794 | $3.0M |
| Invesco Ltd. | 0.00% | Reduce -13.6% | 71,791 | $2.8M |
| OMERS ADMINISTRATION Corp | 0.02% | Add +525.9% | 67,600 | $2.6M |
| Campbell & CO Investment Adviser LLC | 0.19% | Reduce -56.5% | 63,818 | $2.5M |
| Erste Asset Management GmbH | 0.03% | No change | 60,000 | $2.3M |
| Ruffer LLP | 0.09% | Reduce -65.8% | 59,349 | $2.3M |
| Quantinno Capital Management LP | 0.01% | Add +26.1% | 58,634 | $2.3M |
| Jane Street Group, LLC | 0.00% | Reduce -71.7% | 49,703 | $1.9M |
| Highland Capital Management, LLC | 0.12% | Reduce -6.8% | 49,340 | $1.9M |
| Mercer Global Advisors Inc. | 0.00% | Add +139.0% | 46,787 | $1.8M |
| Manning & Napier Advisors LLC | 0.02% | Reduce -2.2% | 46,748 | $1.8M |
| Crossmark Global Holdings, Inc. | 0.03% | Add +10.8% | 38,899 | $1.5M |
| Creative Planning | 0.00% | Reduce -8.3% | 36,132 | $1.4M |
| Barclays PLC | 0.00% | Add +176275.0% | 35,275 | $1.4M |
| Pathstone Holdings, LLC | 0.01% | Add +5.5% | 35,024 | $1.4M |
| CSS LLC | 0.25% | Reduce -17.4% | 31,930 | $1.2M |
| Exencial Wealth Advisors, LLC | 0.05% | Reduce -37.8% | 31,353 | $1.2M |
| Twin Tree Management, LP | 0.03% | New | 31,211 | $1.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +12.2% | 30,219 | $1.2M |
| Vanguard Group Inc. | 0.00% | Reduce -61.6% | 29,534 | $1.2M |
| Susquehanna International Group, LLP | 0.00% | Reduce -72.7% | 28,720 | $1.1M |
| Ashton Thomas Private Wealth, LLC | 0.04% | Add +23.8% | 28,431 | $1.1M |
| Mariner, LLC | 0.00% | Add +2.8% | 28,189 | $1.1M |
| Viking Fund Management LLC | 0.14% | Reduce -58.3% | 25,000 | $978K |
| Tidal Investments LLC | 0.01% | New | 24,744 | $968K |
| Ameriprise Financial Inc. | 0.00% | Add +4.8% | 24,030 | $940K |
| AQR Capital Management | 0.00% | Add +14.3% | 23,662 | $925K |
| Cerity Partners LLC | 0.00% | Reduce -11.8% | 23,642 | $925K |
| LPL Financial LLC | 0.00% | Add +2.2% | 22,529 | $881K |
| Cornerstone Wealth Management, LLC | 0.06% | Add +5.8% | 22,429 | $877K |
| Guggenheim Capital LLC | 0.01% | Reduce -4.5% | 22,312 | $873K |
| Vanguard Personalized Indexing Management, LLC | 0.01% | Add +15.0% | 21,961 | $859K |
| Y-Intercept (Hong Kong) Ltd | 0.06% | New | 21,291 | $833K |
| Thornburg Investment Management Inc. | 0.01% | No change | 21,063 | $824K |
| Evergreen Capital Management LLC | 0.03% | Add +0.3% | 20,520 | $803K |
| Gabelli Funds LLC | 0.01% | No change | 20,000 | $782K |
| Cadence Wealth Management LLC | 0.55% | Add +4.9% | 19,044 | $745K |
| Signaturefd, LLC | 0.01% | Reduce -1.5% | 18,367 | $718K |
| Bank of Montreal | 0.00% | Add +225.3% | 17,256 | $675K |
| HighTower Advisors, LLC | 0.00% | Add +1.0% | 16,493 | $645K |
| American Century Companies Inc. | 0.00% | No change | 16,075 | $629K |
| Interval Partners, LP | 0.02% | Reduce -90.4% | 15,807 | $618K |
| Sei Investments Co. | 0.00% | Add +15.4% | 15,563 | $609K |
| Altrinsic Global Advisors LLC | 0.03% | Reduce -7.6% | 15,306 | $599K |
| Corient IA LP | 0.42% | — | 15,000 | $587K |
| Vident Advisory, LLC | 0.01% | Add +18.0% | 14,996 | $587K |
"% of holder's portfolio" is TS's weight in each manager's 13F, not the share of Tenaris SA-ADR the manager owns.