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Equibles

TS

Tenaris SA

Company with tickers: TS, TNRSF

CIK
1190723
CUSIP
88031M109
Shares Outstanding
504,819,878
13F Activity (30d)
89 filings 87 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 231
Total Value: $756,338,873
Total Shares: 12,999,983
Showing 1–100 of 237 holdings by value · page 1 of 3

Institutional Ownership Trend

30 quarters

Superinvestors Holding TS

All superinvestors →
Ray Dalio $1,665,693

Holder Concentration

Across 231 13F filers
Top Holder
51.3%
Sep 2024 → Mar 2026 · range 15.4% – 53.2%
of institutional value
Top 5
64.2%
Sep 2024 → Mar 2026 · range 35.7% – 67.0%
of institutional value
Top 10
72.8%
Sep 2024 → Mar 2026 · range 55.8% – 75.8%
of institutional value
HHI
2,710
Sep 2024 → Mar 2026 · range 476 – 2,905
Highly concentrated

Quarterly Activity

vs Feb 6, 2026
New
231
Increased
0
Decreased
0
Sold Out
1
Unchanged
0
Holder count: +230
Institutional value: -97.7%
Shares held: -98.1%

Top New Positions

vs Feb 6, 2026
Institution Acquired Value (USD) Open
Mid Westwood Global Investments, LLC 6,673,718 $388,276,912
Mid CWA Asset Management Group, LLC 554,150 $32,240,447
Large ASSETMARK, INC 490,777 $28,553,405
Mid Carrhae Capital LLP 337,428 $19,631,561
Mid Harding Loevner LP 292,858 $17,038,478

Top Sold-Out Positions

vs Feb 6, 2026
Institution Previously Held Last Value (USD) Open
— SAN FAUSTIN S.A. 692,085,486 $32,465,730,148
Filter: New 231 Increased 0 Reduced 0 Sold out 1 Unchanged 0
Showing 100 of 237
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mid Westwood Global Investments, LLC $388,276,912 51.34% 6,673,718
Mid CWA Asset Management Group, LLC $29,471,079 3.90% 506,550
Large ASSETMARK, INC $28,553,405 3.78% 490,777
Mid Carrhae Capital LLP $19,631,561 2.60% 337,428
Mid Harding Loevner LP $17,038,478 2.25% 292,858
Small Medina Value Partners, LLC $14,740,601 1.95% 253,362
Large Capital Wealth Planning, LLC $13,993,104 1.85% 240,514
Mega NORTHERN TRUST CORP Bank $12,677,304 1.68% 217,898
Small Kiltearn Partners LLP $11,918,696 1.58% 204,859
Mega STATE STREET CORP $11,820,896 1.56% 203,178
Large PEAK6 LLC $10,588,760 1.40% 182,000
Mega Legal & General Group Plc $8,524,242 1.13% 146,515
Large Quantinno Capital Management LP $8,514,468 1.13% 146,347
Large NATIONAL BANK OF CANADA /FI/ Bank $8,485,843 1.12% 145,855
Mid Ethic Inc. $7,305,778 0.97% 125,572
Small FEARNLEY ASSET MANAGEMENT AS $6,556,886 0.87% 112,700
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $6,475,434 0.86% 111,300
Large SILVERCREST ASSET MANAGEMENT GROUP LLC $5,860,936 0.77% 100,738
Mid Aventail Capital Group, LP $5,083,012 0.67% 87,367
Small LEUTHOLD GROUP, LLC $4,886,770 0.65% 83,994
Large Creative Planning $4,236,667 0.56% 72,820
Small Integrated Quantitative Investments LLC $3,886,307 0.51% 66,798
Mid GTS SECURITIES LLC Broker-Dealer $3,647,071 0.48% 62,686
Mega CITIGROUP INC $3,574,927 0.47% 61,446
Large LAZARD ASSET MANAGEMENT LLC $3,389,100 0.45% 58,252
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $3,071,904 0.41% 52,800
Mid MANNING & NAPIER ADVISORS LLC $3,053,926 0.40% 52,491
Large GUGGENHEIM CAPITAL LLC $2,888,403 0.38% 49,646
Mid Crossmark Global Holdings, Inc. $2,820,857 0.37% 48,485
Mid CWA Asset Management Group, LLC $2,769,368 0.37% 47,600
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC $2,584,181 0.34% 44,417
Mid HIGHLAND CAPITAL MANAGEMENT, LLC $2,555,265 0.34% 43,920
Large Vident Advisory, LLC $2,504,123 0.33% 43,041
Mid Campbell & CO Investment Adviser LLC $2,387,881 0.32% 41,043
Large Mariner, LLC $2,345,061 0.31% 40,307
Large Pathstone Holdings, LLC $2,343,896 0.31% 40,287
Large HRT FINANCIAL LP $2,314,051 0.31% 39,774
Large MERCER GLOBAL ADVISORS INC /ADV $1,957,000 0.26% 33,637
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $1,943,153 0.26% 33,399
Mid Brooklyn Investment Group $1,901,089 0.25% 32,676
Small Caitong International Asset Management Co., Ltd $1,874,152 0.25% 32,213
Large Cerity Partners LLC $1,839,824 0.24% 31,623
Mega AMERICAN CENTURY COMPANIES INC $1,671,744 0.22% 28,734
Large Bridgewater Associates, LP $1,665,693 0.22% 28,630
Mega ENVESTNET ASSET MANAGEMENT INC $1,650,159 0.22% 28,363
Small Mork Capital Management, LLC $1,647,657 0.22% 28,320
Large SEI INVESTMENTS CO $1,555,034 0.21% 26,728
Mega VANGUARD CAPITAL MANAGEMENT LLC $1,546,948 0.20% 26,589
Large TD Waterhouse Canada Inc. $1,537,231 0.20% 26,422
Mega LPL Financial LLC $1,480,215 0.20% 25,442
Small VIKING FUND MANAGEMENT LLC $1,454,500 0.19% 25,000
Mid Hennion & Walsh Asset Management, Inc. $1,398,763 0.18% 24,042
Mid Callan Family Office, LLC Family Office $1,394,574 0.18% 23,970
Micro Cadence Wealth Management LLC $1,379,447 0.18% 23,710
Mid Laird Norton Wetherby Trust Company, LLC Bank $1,355,302 0.18% 23,295
Mid FORA Capital, LLC $1,337,790 0.18% 22,994
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,321,384 0.17% 22,712
Large Walleye Trading LLC $1,290,548 0.17% 22,182
Mid Twin Tree Management, LP $1,239,234 0.16% 21,300
Small Beck Bode, LLC $1,230,739 0.16% 21,154
Mid Vanguard Personalized Indexing Management, LLC $1,209,154 0.16% 20,783
Large GABELLI FUNDS LLC $1,163,600 0.15% 20,000
Mid HANTZ FINANCIAL SERVICES, INC. $1,080,460 0.14% 18,571
Large Tidal Investments LLC $1,074,991 0.14% 18,477
Mid SIGNATUREFD, LLC $1,072,024 0.14% 18,426
Mid North of South Capital LLP $1,052,301 0.14% 18,087
Mid Sanctuary Advisors, LLC $1,025,771 0.14% 17,631
Small Illumine Investment Management, LLC $1,024,142 0.14% 17,603
Small CHESAPEAKE CAPITAL CORP /IL/ $1,005,408 0.13% 17,281
Mid THORNBURG INVESTMENT MANAGEMENT INC $976,958 0.13% 16,792
Small NAPLES GLOBAL ADVISORS, LLC $969,278 0.13% 16,660
Large IEQ CAPITAL, LLC $967,766 0.13% 16,634
Small TWO SIGMA SECURITIES, LLC Broker-Dealer $949,323 0.13% 16,317
Mid HENNESSY ADVISORS INC $942,516 0.12% 16,200
Mid IMC-Chicago, LLC $872,874 0.12% 15,003
Mid QRG CAPITAL MANAGEMENT, INC. $870,954 0.12% 14,970
Large Corient Private Wealth LLC $857,573 0.11% 14,740
Mid QUADRANT CAPITAL GROUP LLC $840,817 0.11% 14,452
Large US BANCORP \DE\ Bank $835,057 0.11% 14,353
Mid XTX Topco Ltd $834,126 0.11% 14,337
Mega FIRST TRUST ADVISORS LP $832,206 0.11% 14,304
Large Russell Investments Group, Ltd. $777,401 0.10% 13,362
Mid ALTRINSIC GLOBAL ADVISORS LLC $771,058 0.10% 13,253
Small Dynasty Wealth Management, LLC $769,837 0.10% 13,232
Mid Savant Capital, LLC $718,813 0.10% 12,355
Micro J2 Capital Management Inc $704,908 0.09% 12,116
Large HighTower Advisors, LLC $674,189 0.09% 11,588
Mid PROFUND ADVISORS LLC $661,390 0.09% 11,368
Large ExodusPoint Capital Management, LP $661,099 0.09% 11,363
Small FOX RUN MANAGEMENT, L.L.C. $648,881 0.09% 11,153
Large Focus Partners Wealth $616,998 0.08% 10,605
Mega Mitsubishi UFJ Asset Management Co., Ltd. $580,287 0.08% 9,974
Mid YOUSIF CAPITAL MANAGEMENT, LLC $555,502 0.07% 9,548
Micro Gallo Partners, LP $551,720 0.07% 9,483
Small Corient IA LLC $542,819 0.07% 9,330
Small Jackson Hole Capital Partners, LLC $537,525 0.07% 9,239
Mid GROUP ONE TRADING LLC $506,922 0.07% 8,713
Small Strategic Investment Advisors / MI $495,577 0.07% 8,518
Mid GSA CAPITAL PARTNERS LLP $469,745 0.06% 8,074
Large MARSHALL WACE, LLP $465,440 0.06% 8,000

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