Tenaris SA-ADRTS
13F holders, Q2 2025 (June 30)222holders −4
35new positions
38sold out
6famous investors
$37.22avg. 13F price*
At the end of Q2 2025, 222 institutions reported holding Tenaris SA-ADR (TS) in their 13F filings, down 4 from Q1 2025. 35 opened new positions and 38 sold out. The largest holders were Westwood Global Investments, LLC ($292.9M), Sourcerock Group LLC ($115.4M) and Renaissance Technologies ($108.1M). 6 famous investors held it, including Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio), Ken Griffin (0.1% of Citadel Advisors's portfolio) and Jeremy Grantham (0.0% of GMO's portfolio).
- Company
- Tenaris SA-ADR
- CUSIP
- 88031M109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 35 | $62.4M |
| Exits | 38 | $177.6M |
All 13F filers, Q1 2025 → Q2 2025: 6,285,156 shares bought and 12,164,105 shares sold, net −5,878,949 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 222 holders
| Westwood Global Investments, LLC | 7.90% | Add +2.1% | 7,831,367 | $292.9M |
| Sourcerock Group LLC | 6.02% | Add +25.9% | 3,086,075 | $115.4M |
| Renaissance Technologies | 0.14% | Add +7.0% | 2,891,544 | $108.1M |
| FMR LLC | 0.00% | Reduce -1.1% | 2,298,468 | $86.0M |
| Wellington Management Group LLP | 0.01% | Reduce -9.8% | 2,099,275 | $78.5M |
| Balyasny Asset Management L.P. | 0.15% | Add +3.1% | 1,767,924 | $66.1M |
| Encompass Capital Advisors LLC | 2.61% | Reduce -17.4% | 1,732,781 | $64.8M |
| Citadel Advisors | 0.06% | Reduce -54.3% | 1,722,807 | $64.4M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -0.3% | 1,697,997 | $63.5M |
| Van Eck Associates Corp. | 0.07% | Reduce -11.1% | 1,615,694 | $60.4M |
| UBS Group AG | 0.01% | Add +45.9% | 1,584,876 | $59.3M |
| Morgan Stanley | 0.00% | Reduce -38.9% | 1,118,756 | $41.8M |
| Dimensional Fund Advisors LP | 0.01% | Add +63.8% | 941,466 | $35.2M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -33.0% | 930,231 | $34.8M |
| Capstone Investment Advisors, LLC | 0.36% | Add +67.3% | 921,547 | $34.5M |
| Millennium Management | 0.03% | Reduce -34.0% | 776,963 | $29.1M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -2.3% | 737,760 | $27.6M |
| SIR Capital Management, L.P. | 2.30% | Add +280.8% | 688,935 | $25.8M |
| BlackRock, Inc. | 0.00% | Reduce -4.6% | 627,099 | $23.5M |
| Bank of America Corp. | 0.00% | Add +47.5% | 595,604 | $22.3M |
| Medina Value Partners, LLC | 5.69% | Add +7.4% | 556,052 | $20.8M |
| Merewether Investment Management, LP | 0.57% | Reduce -58.8% | 533,515 | $20.0M |
| Assetmark, Inc. | 0.04% | Add +4.3% | 469,229 | $17.5M |
| Abc Arbitrage SA | 2.00% | Add +252.6% | 467,268 | $17.5M |
| Harding Loevner LP | 0.11% | Reduce -24.4% | 450,593 | $16.9M |
| Freestone Grove Partners LP | 0.10% | New | 362,510 | $13.6M |
| Kiltearn Partners LLP | 2.40% | Add +85.8% | 319,559 | $12.0M |
| Optiver Holding B.V. | 0.32% | Add +218.0% | 315,703 | $11.8M |
| Royal Bank of Canada | 0.00% | Reduce -33.7% | 300,381 | $11.2M |
| Jane Street Group, LLC | 0.02% | Add +494.0% | 295,255 | $11.0M |
| GMO | 0.03% | Add +18.9% | 253,867 | $9.5M |
| Jump Financial, LLC | 0.12% | New | 250,800 | $9.4M |
| Trexquant Investment LP | 0.10% | New | 243,793 | $9.1M |
| Cubist Systematic Strategies, LLC | 0.10% | New | 243,360 | $9.1M |
| Quadrature Capital Ltd | 0.15% | Reduce -54.2% | 456,997 | $8.8M |
| Northern Trust Corp. | 0.00% | Reduce -50.1% | 230,648 | $8.6M |
| D. E. Shaw & Co. | 0.01% | Add +35.9% | 222,011 | $8.3M |
| Legal & General Group Plc | 0.00% | Reduce -4.5% | 206,897 | $7.7M |
| Lighthouse Investment Partners, LLC | 0.31% | Add +81.0% | 190,000 | $7.1M |
| Aventail Capital Group, LP | 0.31% | No change | 185,524 | $6.9M |
| Lazard Asset Management LLC | 0.01% | Reduce -10.1% | 148,468 | $5.6M |
| State Street Corp. | 0.00% | New | 146,229 | $5.5M |
| Boothbay Fund Management, LLC | 0.17% | Add +10.6% | 138,741 | $5.2M |
| Ethic Inc. | 0.08% | Add +9.2% | 123,531 | $4.6M |
| Silvercrest Asset Management Group LLC | 0.03% | Add +12.1% | 109,521 | $4.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -23.7% | 106,460 | $4.0M |
| Verition Fund Management LLC | 0.02% | Reduce -38.5% | 101,202 | $3.8M |
| SummitTX Capital, L.P. | 0.15% | Reduce -14.7% | 91,784 | $3.4M |
| ExodusPoint Capital Management, LP | 0.04% | Reduce -41.9% | 88,385 | $3.3M |
| First Trust Advisors LP | 0.00% | Add +534.8% | 86,777 | $3.2M |
| O'shaughnessy Asset Management, LLC | 0.02% | Reduce -5.0% | 76,918 | $2.9M |
| Interval Partners, LP | 0.07% | Add +383.9% | 76,483 | $2.9M |
| Engineers Gate Manager LP | 0.03% | Add +447.8% | 72,274 | $2.7M |
| Invesco Ltd. | 0.00% | Reduce -3.5% | 69,316 | $2.6M |
| Quantinno Capital Management LP | 0.01% | Add +14.7% | 67,252 | $2.5M |
| Campbell & CO Investment Adviser LLC | 0.16% | Add +3.4% | 65,992 | $2.5M |
| Summit Securities Group LLC | 0.82% | New | 61,290 | $2.3M |
| Manning & Napier Advisors LLC | 0.03% | Add +28.6% | 60,136 | $2.2M |
| Ruffer LLP | 0.10% | No change | 59,349 | $2.2M |
| QRG Capital Management, Inc. | 0.02% | Reduce -28.1% | 57,753 | $2.2M |
| Two Sigma Investments, LP | 0.00% | Reduce -26.5% | 57,194 | $2.1M |
| GTS Securities LLC | 0.09% | New | 54,421 | $2.0M |
| Citigroup Inc. | 0.00% | Reduce -37.6% | 49,537 | $1.9M |
| BNP Paribas Financial Markets | 0.00% | Reduce -92.9% | 48,227 | $1.8M |
| Highland Capital Management, LLC | 0.10% | Reduce -2.6% | 48,035 | $1.8M |
| Crossmark Global Holdings, Inc. | 0.03% | Add +13.8% | 44,270 | $1.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +40.8% | 42,554 | $1.6M |
| Integrated Quantitative Investments LLC | 0.45% | New | 41,145 | $1.5M |
| New York State Common Retirement Fund | 0.00% | New | 41,145 | $1.5M |
| Creative Planning | 0.00% | Add +13.0% | 40,837 | $1.5M |
| AQR Capital Management | 0.00% | Add +68.7% | 39,905 | $1.5M |
| Pathstone Holdings, LLC | 0.01% | Add +13.1% | 39,594 | $1.5M |
| Osaic Holdings, Inc. | 0.00% | Add +1994.8% | 36,722 | $1.4M |
| Mariner, LLC | 0.00% | Add +21.0% | 34,105 | $1.3M |
| Exencial Wealth Advisors, LLC | 0.04% | Add +4.5% | 32,762 | $1.2M |
| Guggenheim Capital LLC | 0.01% | Add +42.1% | 31,700 | $1.2M |
| KLP Kapitalforvaltning As | 0.00% | New | 30,000 | $1.1M |
| Ashton Thomas Private Wealth, LLC | 0.04% | Add +3.8% | 29,511 | $1.1M |
| Graham Capital Management, L.P. | 0.03% | New | 29,409 | $1.1M |
| Capital Insight Partners, LLC | 0.19% | Reduce -74.7% | 29,130 | $1.1M |
| Quantbot Technologies LP | 0.03% | New | 28,516 | $1.1M |
| Viking Fund Management LLC | 0.14% | Add +12.0% | 28,000 | $1.0M |
| Vanguard Group Inc. | 0.00% | Reduce -10.0% | 26,589 | $994K |
| Thornburg Investment Management Inc. | 0.01% | Add +18.8% | 25,031 | $936K |
| Vanguard Personalized Indexing Management, LLC | 0.01% | Add +13.4% | 24,915 | $932K |
| CSS LLC | 0.17% | Reduce -22.1% | 24,890 | $931K |
| Cerity Partners LLC | 0.00% | Add +0.4% | 23,732 | $888K |
| Ameriprise Financial Inc. | 0.00% | Reduce -3.6% | 23,154 | $866K |
| Cornerstone Wealth Management, LLC | 0.05% | Add +3.0% | 23,099 | $864K |
| LPL Financial LLC | 0.00% | Reduce -1.6% | 22,179 | $829K |
| Mercer Global Advisors Inc. | 0.00% | Reduce -53.1% | 21,947 | $821K |
| Cadence Wealth Management LLC | 0.51% | Add +8.3% | 20,618 | $771K |
| Evergreen Capital Management LLC | 0.02% | Reduce -1.3% | 20,250 | $757K |
| Walleye Trading LLC | 0.02% | New | 20,247 | $757K |
| Gabelli Funds LLC | 0.01% | No change | 20,000 | $748K |
| Callan Family Office, LLC | 0.02% | Add +119.5% | 18,232 | $682K |
| Signaturefd, LLC | 0.01% | Reduce -1.5% | 18,089 | $677K |
| Vident Advisory, LLC | 0.01% | Add +16.8% | 17,509 | $655K |
| Squarepoint Ops LLC | 0.00% | Add +178.7% | 17,092 | $639K |
| Laird Norton Wetherby Wealth Management, LLC | 0.03% | — | 16,976 | $635K |
"% of holder's portfolio" is TS's weight in each manager's 13F, not the share of Tenaris SA-ADR the manager owns.