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

0100200300 Q1 2024: 235Q1 2024Q2 2024: 224Q2 2024Q3 2024: 200Q3 2024Q4 2024: 233Q4 2024Q1 2025: 226Q1 2025Q2 2025: 222Q2 2025Q3 2025: 222Q3 2025Q4 2025: 229Q4 2025Q1 2026: 264Q1 2026Q2 2026: 284Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions66$171.4M
Exits32$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
US Bancorp \de 0.00% Reduce -27.6% 14,353 $835K
Corient Private Wealth LP 0.00% Add +18.1% 14,740 $835K
XTX Topco Ltd 0.01% Reduce -85.9% 14,337 $834K
First Trust Advisors LP 0.00% Add +123.8% 14,304 $832K
Russell Investments Group, Ltd. 0.00% Add +23.3% 13,362 $777K
Altrinsic Global Advisors LLC 0.03% Reduce -6.7% 13,253 $771K
Dynasty Wealth Management, LLC 0.01% Reduce -10.9% 13,232 $770K
Bank of New York Mellon Corp 0.00% Add +5.0% 13,100 $762K
1832 Asset Management L.P. 0.00% No change 12,775 $743K
Savant Capital, LLC 0.00% Reduce -3.3% 12,355 $719K
Arrowstreet Capital, Limited Partnership 0.00% New 12,217 $711K
J2 Capital Management Inc 0.48% Reduce -22.8% 12,116 $705K
HighTower Advisors, LLC 0.00% Reduce -5.4% 11,588 $674K
Profund Advisors LLC 0.02% Reduce -13.5% 11,368 $661K
ExodusPoint Capital Management, LP 0.01% New 11,363 $661K
Fox Run Management, L.L.C. 0.11% New 11,153 $638K
Focus Partners Wealth 0.00% Add +38.5% 10,605 $617K
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% Reduce -2.8% 9,974 $580K
Royal Bank of Canada 0.00% Reduce -85.9% 9,695 $564K
Yousif Capital Management, LLC 0.01% No change 9,548 $556K
Gallo Partners, LP 1.06% New 9,483 $552K
Corient IA LP 0.51% No change 9,330 $543K
Jackson Hole Capital Partners, LLC 0.09% No change 9,239 $538K
Group One Trading LLC 0.02% Add +307.3% 8,713 $507K
Strategic Investment Advisors / MI 0.03% Reduce -10.4% 8,518 $496K
Gsa Capital Partners LLP 0.03% New 8,074 $470K
Marshall Wace, LLP 0.00% New 8,000 $465K
BSW Wealth Partners 0.06% Reduce -0.3% 7,903 $460K
Sivia Capital Partners, LLC 0.09% New 7,859 $457K
Two Sigma Investments, LP 0.00% No change 7,594 $442K
New Vernon Capital Holdings II LLC 0.33% No change 7,581 $441K
Centiva Capital, LP 0.02% New 7,501 $436K
PNC Financial Services Group, Inc. 0.00% Add +6.1% 7,239 $421K
SG Americas Securities, LLC 0.00% New 7,002 $407K
Merit Financial Group, LLC 0.00% New 6,959 $405K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +448.9% 6,872 $400K
Caprock Group, LLC 0.01% Reduce -56.3% 6,808 $396K
Wealth Enhancement Advisory Services, LLC 0.00% Reduce -18.1% 6,798 $395K
Sequoia Financial Advisors, LLC 0.00% Add +1.6% 6,764 $394K
Integrated Wealth Concepts LLC 0.00% Reduce -64.3% 6,750 $393K
Baron Wealth Management LLC 0.12% Add +2.6% 6,732 $392K
Aaron Wealth Advisors LLC 0.02% Add +22.1% 6,653 $387K
Sanchez Gaunt Capital Management, LLC 0.24% — 6,581 $383K
Cetera Investment Advisers 0.00% Add +1.7% 6,558 $382K
Trek Financial, LLC 0.02% New 6,531 $380K
Greenleaf Trust 0.00% Add +8.2% 6,495 $378K
Rhumbline Advisers 0.00% Add +7.7% 6,435 $374K
Ballentine Partners, LLC 0.01% Add +14.6% 6,369 $371K
R Squared Ltd 0.20% Reduce -51.9% 6,246 $363K
BNP Paribas Financial Markets 0.00% Reduce -82.3% 6,049 $352K
United Capital Financial Advisors, LLC 0.00% Reduce -5.3% 5,981 $348K
Glenmede Trust Co. NA 0.00% Add +0.1% 5,820 $339K
Rossby Financial, LCC 0.07% Reduce -0.6% 5,615 $325K
Lester Murray Antman dba SimplyRich 0.08% New 5,600 $325K
Versant Capital Management, Inc 0.03% Add +12.6% 5,248 $305K
Pinnacle Wealth Planning Services, Inc. 0.03% Reduce -16.3% 5,174 $301K
EverSource Wealth Advisors, LLC 0.01% Add +28.9% 5,100 $297K
Mgo One Seven LLC 0.01% Reduce -16.1% 5,036 $293K
Parallel Advisors, LLC 0.01% Add +35.6% 4,971 $289K
Rockefeller Capital Management L.P. 0.00% Add +173.3% 4,925 $287K
Evolve Private Wealth, LLC 0.02% New 4,920 $286K
Allspring Global Investments Holdings, LLC 0.00% New 4,818 $280K
Choreo, LLC 0.00% New 4,600 $268K
Cambridge Investment Research Advisors, Inc. 0.00% New 4,318 $251K
Stirlingshire Investments, Inc. 0.21% New 4,040 $235K
Basecamp Wealth Advisors LLC 0.05% Reduce -0.5% 4,024 $234K
Advyzon Investment Management, LLC 0.02% New 4,013 $233K
Syon Capital LLC 0.01% New 3,995 $232K
Neuberger Berman Group LLC 0.00% New 3,837 $223K
Franklin Resources Inc. 0.00% New 3,778 $220K
Raymond James Financial Inc. 0.00% New 3,730 $217K
Fayez Sarofim & Co 0.00% New 3,658 $213K
PDS Planning, Inc 0.01% New 3,593 $209K
Larry Mathis Financial Planning, LLC 0.19% New 3,573 $208K
D'Orazio & Associates, Inc. 0.03% New 3,499 $204K
Virtus Investment Advisers, LLC 0.05% Reduce -22.6% 3,298 $192K
Acadian Asset Management LLC 0.00% Add +44.5% 3,050 $176K
Farther Finance Advisors, LLC 0.00% Add +7.4% 2,506 $145K
GAMMA Investing LLC 0.01% Add +20.3% 2,180 $127K
Jones Financial Companies LLLP 0.00% Add +443.6% 2,142 $125K
Brown Brothers Harriman & Co. 0.00% Add +1472.8% 1,966 $114K
Cwm, LLC 0.00% Add +15.1% 1,777 $103K
AdvisorNet Financial, Inc 0.01% No change 1,765 $103K
Advisory Services Network, LLC 0.00% New 1,685 $98K
Smartleaf Asset Management LLC 0.00% Reduce -2.9% 1,657 $95K
Covestor Ltd 0.06% No change 1,575 $92K
Cromwell Holdings LLC 0.05% No change 1,578 $92K
Advisors Asset Management, Inc. 0.00% Reduce -61.0% 1,533 $89K
Community Bank, N.A. 0.01% No change 1,000 $58K
TD Private Client Wealth LLC 0.00% Reduce -36.6% 999 $58K
Blue Trust, Inc. 0.00% Add +19.4% 873 $51K
Osaic Holdings, Inc. 0.00% Reduce -19.6% 853 $50K
Northwestern Mutual Wealth Management Co. 0.00% Add +17.9% 772 $45K
Bayforest Capital Ltd 0.04% New 589 $34K
MAI Capital Management 0.00% Add +133.8% 519 $30K
Palladiem, LLC 0.03% No change 460 $27K
Sound Income Strategies, LLC 0.00% No change 448 $26K
Ares Financial Consulting, LLC 0.02% New 446 $26K
Owl Creek Wealth Partners LLC 0.01% — 432 $25K
WealthCollab, LLC 0.01% No change 397 $23K
True Wealth Design, LLC 0.01% Add +34.2% 353 $21K
Rothschild Investment LLC 0.00% Add +0.9% 320 $19K
Bruce G. Allen Investments, LLC 0.01% No change 316 $18K
Allworth Financial LP 0.00% Add +27.0% 306 $18K
UMB Bank, n.a. 0.00% No change 262 $15K
Whipplewood Advisors, LLC 0.01% New 256 $15K
SJS Investment Consulting Inc. 0.00% No change 244 $14K
First Command Advisory Services, Inc. 0.00% New 241 $14K
Boreal Capital Management LLC 0.01% No change 200 $12K
Larson Financial Group LLC 0.00% Add +41.9% 193 $11K
Arax Advisory Partners 0.00% Reduce -54.2% 191 $11K
Salomon & Ludwin, LLC 0.00% No change 160 $9K
Essential Partners LLC 0.00% No change 157 $9K
Quest 10 Wealth Builders, Inc. 0.01% No change 150 $9K
Nisa Investment Advisors, LLC 0.00% No change 150 $9K
Federation des caisses Desjardins du Quebec 0.00% No change 140 $8K
Bessemer Group Inc. 0.00% No change 144 $8K
Cornerstone Planning Group LLC 0.00% Add +12.2% 120 $8K
Colonial Trust Advisors 0.00% New 100 $6K
Valued Wealth Advisors LLC 0.00% No change 99 $6K
Physician Wealth Advisors, Inc. 0.00% No change 98 $6K
Financial Consulate, Inc. 0.00% Add +100.0% 94 $5K
Manchester Capital Management LLC 0.00% No change 90 $5K
Private Trust Co. NA 0.00% Add +561.5% 86 $5K
CoreCap Advisors, LLC 0.00% No change 80 $5K
Bell Investment Advisors, Inc 0.00% No change 74 $4K
JFS Wealth Advisors, LLC 0.00% Reduce -19.1% 72 $4K
Bare Financial Services, Inc 0.00% No change 71 $4K
Kilter Group LLC 0.00% New 69 $4K
Twin Peaks Wealth Advisors, LLC 0.00% New 64 $4K
Harbour Investments, Inc. 0.00% New 62 $4K
Parkside Financial Bank & Trust 0.00% Reduce -11.3% 47 $3K
Steward Partners Investment Advisory, LLC 0.00% No change 42 $2K
SHP Wealth Management 0.00% Add +41.4% 41 $2K
Toth Financial Advisory Corp. 0.00% No change 40 $2K
Transamerica Financial Advisors, LLC 0.00% Add +52.0% 38 $2K
GW&K Investment Management, LLC 0.00% No change 39 $2K
MPWM Advisory Solutions, LLC 0.00% No change 34 $2K
Barclays PLC 0.00% Add +3100.0% 32 $2K
Zions Bancorporation, National Association 0.00% No change 30 $2K
Dogwood Wealth Management LLC 0.00% New 28 $2K
Horizon Investments, LLC 0.00% New 28 $2K
Tower Research Capital LLC (TRC) 0.00% Reduce -100.0% 27 $2K
Nemes Rush Group LLC 0.00% No change 22 $1K
Principia Wealth Advisory, LLC 0.00% Add +11.8% 19 $1K
Burk Holdings LLC 0.00% New 18 $1K
Silicon Valley Capital Partners 0.00% New 18 $1K
American Capital Advisory, LLC 0.00% Add +325.0% 17 $990
MV Capital Management, Inc. 0.00% Add +750.0% 17 $990
GHP Investment Advisors, Inc. 0.00% New 16 $931
Investors Portfolio Services LLC 0.00% New 14 $889
Innovative Asset Advisors Group, LLC 0.00% — 13 $756
Arlington Trust Co LLC 0.00% New 10 $582
Ancora Advisors LLC 0.00% No change 8 $465
Root Financial Partners, LLC 0.00% Add +166.7% 8 $465
IFP Advisors, Inc 0.00% New 7 $407
Financial Gravity Asset Management, Inc. 0.00% New 6 $349
Creative Financial Designs Inc. 0.00% No change 6 $349
NewEdge Advisors, LLC 0.00% No change 4 $253
Beaird Harris Wealth Management, LLC 0.00% No change 4 $250
Stone House Investment Management, LLC 0.00% New 4 $233
TD Capital Management LLC 0.00% Reduce -40.0% 3 $175
Triumph Capital Management 0.00% New 3 $175
Cassaday & Co Wealth Management LLC 0.00% New 1 $59

"% of holder's portfolio" is TS's weight in each manager's 13F, not the share of Tenaris SA-ADR the manager owns.