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Tenaris SA (TS)

CUSIP: 88031M109 | US | Energy · Oil & Gas Equipment & Services | Large Cap | 1052 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13D/ARocca & Partners Stichting Administratiekantoor Aandelen SAN Faustin692,085,48668.6%−18,919,701Feb 6, 2026No 13F filer matched
13D/ARocca & Partners Stichting Administratiekantoor Aandelen SAN Faustin692,085,486
68.6% of class · Feb 6, 2026−18,919,701
No 13F filer matched

Institutional Holders — Q3 2026

Dimensional Fund Advisors LP1,093,583
0.0% of portfolio›$60.3M
CWA Asset Management Group, LLC829,599
1.4% of portfolio›$45.8M
Assetmark, Inc572,805
0.1% of portfolio›$31.6M
Carrhae Capital LLP291,886
0.5% of portfolio›$16.1M
Ethic Inc.139,055
0.1% of portfolio›$7.7M
Leuthold Group, LLC87,491
0.5% of portfolio›$4.8M
Creative Planning78,270
0.0% of portfolio›$4.3M
Deprince Race & Zollo Inc67,957
0.1% of portfolio›$3.7M
Central Valley Advisors, LLC47,540
0.7% of portfolio›$2.6M
Citigroup Inc46,823
0.0% of portfolio›$2.6M
Highland Capital Management, LLC43,550
0.1% of portfolio›$2.4M
Bosman Wealth Management, LLC26,763
0.9% of portfolio›$1.5M
Viking Fund Management LLC25,000
0.1% of portfolio›$1.4M
Hennion & Walsh Asset Management, Inc.24,926
0.0% of portfolio›$1.4M
Viewpoint Investment Partners Corp23,900
0.4% of portfolio›$1.3M
Evergreen Capital Management LLC22,496
0.0% of portfolio›$1.2M
Y-Intercept (Hong Kong) Ltd19,326
0.0% of portfolio›$1.1M
Signaturefd, LLC18,249
0.0% of portfolio›$1.0M
Naples Global Advisors, LLC16,885
0.1% of portfolio›$931.7K
US Bancorp \de\14,478
0.0% of portfolio›$798.9K
Quadrant Capital Group LLC14,436
0.0% of portfolio›$845.1K
SmartHarvest Portfolios, LLC13,416
0.3% of portfolio›$740.3K
Vise Technologies, Inc.12,632
0.0% of portfolio›$697.1K
Bank of New York Mellon Corp12,574
0.0% of portfolio›$693.8K
Profund Advisors LLC12,382
0.0% of portfolio›$683.2K
Hennessy Advisors Inc11,958
0.0% of portfolio›$659.8K
Lido Advisors, LLC11,512
0.0% of portfolio›$635.3K
J2 Capital Management Inc10,709
0.4% of portfolio›$590.9K
Mitsubishi UFJ Asset Management Co., Ltd.10,073
0.0% of portfolio›$555.8K
Crossmark Global Holdings, Inc.9,567
0.0% of portfolio›$527.9K
Wealth Enhancement Advisory Services, LLC8,726
0.0% of portfolio›$493.8K
Sanchez Gaunt Capital Management, LLC8,460
0.3% of portfolio›$466.8K
Victory Financial Group, LLC8,344
0.0% of portfolio›$460.4K
Aaron Wealth Advisors LLC6,740
0.0% of portfolio›$371.9K
Baron Wealth Management LLC6,632
0.1% of portfolio›$366.0K
Transmarket Holdings LP6,520
0.2% of portfolio›$359.8K
Rossby Financial, LCC5,958
0.0% of portfolio›$328.8K
Versant Capital Management, Inc5,586
0.0% of portfolio›$308.2K
Allspring Global Investments Holdings, LLC5,413
0.0% of portfolio›$301.6K
Greenleaf Trust5,393
0.0% of portfolio›$297.6K
Trek Financial, LLC5,056
0.0% of portfolio›$279.0K
Parallel Advisors, LLC5,013
0.0% of portfolio›$276.6K
Choreo, LLC4,638
0.0% of portfolio›$255.9K
Pinnacle Wealth Planning Services, Inc.4,497
0.0% of portfolio›$248.1K
MGO One Seven LLC4,289
0.0% of portfolio›$236.7K
Cambridge Investment Research Advisors, Inc.4,249
0.0% of portfolio›$234
Keybank National Association3,902
0.0% of portfolio›$215.3K
EverSource Wealth Advisors, LLC3,258
0.0% of portfolio›$179.8K
Gamma Investing LLC2,526
0.0% of portfolio›$139.4K
Farther Finance Advisors, LLC2,239
0.0% of portfolio›$123.5K
Bayforest Capital Ltd1,823
0.1% of portfolio›$100.6K
Cromwell Holdings LLC1,578
0.0% of portfolio›$87.1K
Covestor Ltd1,575
0.0% of portfolio›$87
TD Waterhouse Canada Inc.915
0.0% of portfolio›$50.9K
Caitong International Asset Management Co., Ltd895
0.0% of portfolio›$49.4K
Blue Trust, Inc.717
0.0% of portfolio›$39.6K
Polaris Financial Partners474
0.0% of portfolio›$26
Ares Financial Consulting, LLC446
0.0% of portfolio›$24.6K
Owl Creek Wealth Partners LLC432
0.0% of portfolio›$23.8K
True Wealth Design, LLC356
0.0% of portfolio›$19.6K
Fortitude Family Office, LLC289
0.0% of portfolio›$15.9K
SJS Investment Consulting Inc.244
0.0% of portfolio›$13.5K
Elevation Wealth Partners, LLC203
0.0% of portfolio›$11.2K
Larson Financial Group LLC203
0.0% of portfolio›$11.2K
Salomon & Ludwin, LLC160
0.0% of portfolio›$8.8K
Essential Partners LLC157
0.0% of portfolio›$8.7K
Quest 10 Wealth Builders, Inc.150
0.0% of portfolio›$8.3K
Nisa Investment Advisors, LLC150
0.0% of portfolio›$8.3K
Root Financial Partners, LLC120
0.0% of portfolio›$6.6K
Manchester Capital Management LLC117
0.0% of portfolio›$6.5K
Tompkins Financial Corp116
0.0% of portfolio›$6.4K
Financial Consulate, Inc107
0.0% of portfolio›$5.9K
Physician Wealth Advisors, Inc.98
0.0% of portfolio›$5.4K
Ascentis Wealth Management, LLC92
0.0% of portfolio›$5.1K
West Financial Advisors, LLC81
0.0% of portfolio›$4.5K
James T. Borello RIA81
0.0% of portfolio›$4.5K
Cape Investment Advisory, Inc.77
0.0% of portfolio›$4.2K
CoreCap Advisors, LLC75
0.0% of portfolio›$4.1K
Bell Investment Advisors, Inc74
0.0% of portfolio›$4.1K
JFS Wealth Advisors, LLC72
0.0% of portfolio›$4.0K
Bare Financial Services, Inc71
0.0% of portfolio›$3.9K
Pinnacle Bancorp, Inc.48
0.0% of portfolio›$2.6K
Parkside Financial Bank & Trust47
0.0% of portfolio›$2.6K
William B. Walkup & Associates, Inc.45
0.0% of portfolio›$2.5K
Breakwater Investment Management29
0.0% of portfolio›$1.6K
Proathlete Wealth Management LLC23
0.0% of portfolio›$1.3K
Nemes Rush Group LLC22
0.0% of portfolio›$1.2K
IFP Advisors, Inc19
0.0% of portfolio›$1.0K
Burk Holdings LLC18
0.0% of portfolio›$993
GHP Investment Advisors, Inc.16
0.0% of portfolio›$883
Silver Grove Financial Group, Inc.14
0.0% of portfolio›$773
Private Trust Co NA13
0.0% of portfolio›$741
TD Private Client Wealth LLC11
0.0% of portfolio›$607
Arlington Trust Co LLC10
0.0% of portfolio›$552
Fairway Wealth LLC9
0.0% of portfolio›$497
MV Capital Management, Inc.9
0.0% of portfolio›$497
Planning Strategies Inc.8
0.0% of portfolio›$441
Creative Financial Designs Inc6
0.0% of portfolio›$331
Highline Wealth Partners LLC6
0.0% of portfolio›$331
American Capital Advisory, LLC4
0.0% of portfolio›$221
Triumph Capital Management3
0.0% of portfolio›$166
Elyxium Wealth, LLC3
0.0% of portfolio›$166
Decker Retirement Planning Inc.2
0.0% of portfolio›$98
Monetary Solutions, Ltd1
0.0% of portfolio›$55
Gilpin Wealth Management, LLC1
0.0% of portfolio›$56
Illumine Investment Management, LLC0
0.4% of portfolio›$600.6K
StyleTurnoverLocationFiled
Dimensional Fund Advisors LP
1,093,583$60.3M0.0%IndexLowAustin, TX2026-11-04
CWA Asset Management Group, LLC
829,599$45.8M1.4%CoreMediumNaples, FL2026-10-19
Assetmark, Inc
572,805$31.6M0.1%ETFLowConcord, CA2026-10-21
Carrhae Capital LLP
291,886$16.1M0.5%GARPVery HighLondon, United Kingdom2026-10-20
Ethic Inc.
139,055$7.7M0.1%CoreLowNew York, NY2026-11-03
Leuthold Group, LLC
87,491$4.8M0.5%ValueMediumMinneapolis, MN2026-11-04
Creative Planning
78,270$4.3M0.0%IndexVery LowOverland Park, KS2026-11-02
Deprince Race & Zollo Inc
67,957$3.7M0.1%Deep ValueHighWinter Park, FL2026-10-13
Central Valley Advisors, LLC
47,540$2.6M0.7%CoreLowSacramento, CA2026-10-27
Citigroup Inc
46,823$2.6M0.0%CoreMediumNew York, NY2026-11-04
Highland Capital Management, LLC
43,550$2.4M0.1%GrowthMediumMemphis, TN2026-10-26
Bosman Wealth Management, LLC
26,763$1.5M0.9%MomentumHighRedlands, CA2026-10-28
Viking Fund Management LLC
25,000$1.4M0.1%YieldMediumMinot, ND2026-10-14
Hennion & Walsh Asset Management, Inc.
24,926$1.4M0.0%ValueMediumParsippany, NJ2026-10-13
Viewpoint Investment Partners Corp
23,900$1.3M0.4%ValueMediumCalgary, Abu Dhabi2026-10-26
Evergreen Capital Management LLC
22,496$1.2M0.0%GARPMediumBellevue, WA2026-10-23
Y-Intercept (Hong Kong) Ltd
19,326$1.1M0.0%ValueVery HighHong Kong, South Korea2026-10-16
Signaturefd, LLC
18,249$1.0M0.0%IndexLowAtlanta, GA2026-10-23
Naples Global Advisors, LLC
16,885$931.7K0.1%CoreVery LowNaples, FL2026-11-05
US Bancorp \de\
14,478$798.9K0.0%IndexLowMinneapolis, MN2026-11-05
Quadrant Capital Group LLC
14,436$845.1K0.0%CoreLowCincinnati, OH2026-10-20
SmartHarvest Portfolios, LLC
13,416$740.3K0.3%GrowthLowSeattle, WA2026-10-26
Vise Technologies, Inc.
12,632$697.1K0.0%IndexLowNew York, NY2026-10-29
Bank of New York Mellon Corp
12,574$693.8K0.0%CoreLowNew York, NY2026-11-05
Profund Advisors LLC
12,382$683.2K0.0%GrowthLowBethesda, MD2026-10-29
Hennessy Advisors Inc
11,958$659.8K0.0%Deep ValueMediumNovato, CA2026-10-28
Lido Advisors, LLC
11,512$635.3K0.0%GrowthLowLos Angeles, CA2026-11-04
J2 Capital Management Inc
10,709$590.9K0.4%ETFHighTroy, MI2026-10-19
Mitsubishi UFJ Asset Management Co., Ltd.
10,073$555.8K0.0%IndexVery LowTokyo, Mexico2026-11-05
Crossmark Global Holdings, Inc.
9,567$527.9K0.0%GARPMediumHouston, TX2026-10-21
Wealth Enhancement Advisory Services, LLC
8,726$493.8K0.0%CoreLowPlymouth, MN2026-10-13
Sanchez Gaunt Capital Management, LLC
8,460$466.8K0.3%ETFN/AReno, NV2026-11-03
Victory Financial Group, LLC
8,344$460.4K0.0%ETFLowAustin, TX2026-10-27
Aaron Wealth Advisors LLC
6,740$371.9K0.0%GrowthMediumChicago, IL2026-10-13
Baron Wealth Management LLC
6,632$366.0K0.1%CoreLowTroy, MI2026-10-27
Transmarket Holdings LP
6,520$359.8K0.2%Deep ValueVery HighChicago, IL2026-10-27
Rossby Financial, LCC
5,958$328.8K0.0%ETFMediumMelbourne, FL2026-11-05
Versant Capital Management, Inc
5,586$308.2K0.0%GARPLowPhoenix, AZ2026-10-02
Allspring Global Investments Holdings, LLC
5,413$301.6K0.0%CoreMediumCharlotte, NC2026-11-04
Greenleaf Trust
5,393$297.6K0.0%CoreLowKalamazoo, MI2026-10-29
Trek Financial, LLC
5,056$279.0K0.0%ETFHighScottsdale, AZ2026-10-29
Parallel Advisors, LLC
5,013$276.6K0.0%IndexLowSan Francisco, CA2026-11-03
Choreo, LLC
4,638$255.9K0.0%IndexLowRockford, IL2026-10-28
Pinnacle Wealth Planning Services, Inc.
4,497$248.1K0.0%GARPLowMansfield, OH2026-10-27
MGO One Seven LLC
4,289$236.7K0.0%GrowthLowBeachwood, OH2026-10-28
Cambridge Investment Research Advisors, Inc.
4,249$2340.0%ETFLowFairfield, IA2026-11-02
Keybank National Association
3,902$215.3K0.0%CoreLowBrooklyn, OH2026-11-04
EverSource Wealth Advisors, LLC
3,258$179.8K0.0%CoreMediumBirmingham, AL2026-11-04
Gamma Investing LLC
2,526$139.4K0.0%IndexVery LowFoster City, CA2026-10-08
Farther Finance Advisors, LLC
2,239$123.5K0.0%IndexLowSan Francisco, CA2026-10-08
Bayforest Capital Ltd
1,823$100.6K0.1%Deep ValueVery HighLondon, United Kingdom2026-11-03
Cromwell Holdings LLC
1,578$87.1K0.0%IndexLowJackson, WY2026-10-28
Covestor Ltd
1,575$870.0%ValueHighLondon, United Kingdom2026-10-30
TD Waterhouse Canada Inc.
915$50.9K0.0%CoreLowToronto, Australia2026-10-16
Caitong International Asset Management Co., Ltd
895$49.4K0.0%GrowthVery HighHong Kong, South Korea2026-10-29
Blue Trust, Inc.
717$39.6K0.0%ETFLowBrentwood, TN2026-10-15
Polaris Financial Partners
474$260.0%GrowthN/AWesterville, OH2026-10-02
Ares Financial Consulting, LLC
446$24.6K0.0%CoreLowCalabasas, CA2026-10-19
Owl Creek Wealth Partners LLC
432$23.8K0.0%IndexLowGreenwood Village, CO2026-10-20
True Wealth Design, LLC
356$19.6K0.0%ETFMediumAkron, OH2026-10-13
Fortitude Family Office, LLC
289$15.9K0.0%ETFMediumScottsdale, AZ2026-10-14
SJS Investment Consulting Inc.
244$13.5K0.0%ETFVery LowSylvania, OH2026-10-26
Elevation Wealth Partners, LLC
203$11.2K0.0%ETFLowWalnut Creek, CA2026-10-07
Larson Financial Group LLC
203$11.2K0.0%GrowthLowSt Louis, MO2026-11-05
Salomon & Ludwin, LLC
160$8.8K0.0%ETFVery LowRichmond, VA2026-10-29
Essential Partners LLC
157$8.7K0.0%ValueMediumRancho Santa Fe, CA2026-10-14
Quest 10 Wealth Builders, Inc.
150$8.3K0.0%ETFLowFuquay-Varina, VA2026-11-02
Nisa Investment Advisors, LLC
150$8.3K0.0%IndexVery LowSt. Louis, MO2026-10-20
Root Financial Partners, LLC
120$6.6K0.0%ETFMediumEncinitas, CA2026-10-21
Manchester Capital Management LLC
117$6.5K0.0%CoreLowManchester, VT2026-10-22
Tompkins Financial Corp
116$6.4K0.0%CoreLowIthaca, NY2026-10-05
Financial Consulate, Inc
107$5.9K0.0%ETFLowHunt Valley, MD2026-10-23
Physician Wealth Advisors, Inc.
98$5.4K0.0%ETFMediumMidvale, UT2026-10-20
Ascentis Wealth Management, LLC
92$5.1K0.0%Agg GrowthLowDallas, TX2026-11-03
West Financial Advisors, LLC
81$4.5K0.0%ETFLowDes Moines, IA2026-10-22
James T. Borello RIA
81$4.5K0.0%ETFVery LowEast Dundee, IL2026-10-16
Cape Investment Advisory, Inc.
77$4.2K0.0%ETFLowMcdonough, GA2026-10-13
CoreCap Advisors, LLC
75$4.1K0.0%ETFMediumSouthfield, MI2026-10-08
Bell Investment Advisors, Inc
74$4.1K0.0%ETFVery LowOrinda, CA2026-10-29
JFS Wealth Advisors, LLC
72$4.0K0.0%ETFVery LowHermitage, PA2026-11-03
Bare Financial Services, Inc
71$3.9K0.0%ETFVery LowGap, PA2026-11-04
Pinnacle Bancorp, Inc.
48$2.6K0.0%CoreVery LowBeatrice, NE2026-10-21
Parkside Financial Bank & Trust
47$2.6K0.0%CoreVery LowSaint Louis, MO2026-10-27
William B. Walkup & Associates, Inc.
45$2.5K0.0%ValueLowColumbia, SC2026-11-05
Breakwater Investment Management
29$1.6K0.0%ETFLowSeattle, WA2026-10-20
Proathlete Wealth Management LLC
23$1.3K0.0%ETFVery LowBoca Raton, FL2026-10-15
Nemes Rush Group LLC
22$1.2K0.0%CoreVery LowNovi, MI2026-11-04
IFP Advisors, Inc
19$1.0K0.0%GrowthLowTampa, FL2026-10-16
Burk Holdings LLC
18$9930.0%ETFVery LowTulsa, OK2026-11-05
GHP Investment Advisors, Inc.
16$8830.0%CoreVery LowDenver, CO2026-10-15
Silver Grove Financial Group, Inc.
14$7730.0%CoreMediumOrchard Park, NY2026-11-05
Private Trust Co NA
13$7410.0%CoreLowCleveland, OH2026-10-20
TD Private Client Wealth LLC
11$6070.0%ETFLowNew York, NY2026-10-28
Arlington Trust Co LLC
10$5520.0%ETFMediumBirmingham, AL2026-10-20
Fairway Wealth LLC
9$4970.0%ETFLowIndependence, OH2026-10-30
MV Capital Management, Inc.
9$4970.0%ETFLowBethesda, MD2026-10-29
Planning Strategies Inc.
8$4410.0%ETFN/ALancaster, PA2026-10-02
Creative Financial Designs Inc
6$3310.0%ETFMediumKokomo, IN2026-11-04
Highline Wealth Partners LLC
6$3310.0%ETFMediumSherman Oaks, CA2026-10-19
American Capital Advisory, LLC
4$2210.0%ETFLowKetchum, ID2026-10-28
Triumph Capital Management
3$1660.0%ETFMediumDenver, CO2026-10-14
Elyxium Wealth, LLC
3$1660.0%GrowthVery LowBeverly Hills, CA2026-10-27
Decker Retirement Planning Inc.
2$980.0%Agg GrowthVery HighLevi, UT2026-10-19
Monetary Solutions, Ltd
1$550.0%ETFVery LowDayton, OH2026-10-22
Gilpin Wealth Management, LLC
1$560.0%GrowthLowDenver, CO2026-10-09
Illumine Investment Management, LLC
0$600.6K0.4%Agg GrowthVery LowPoulsbo, WA2026-10-22