TENARIS S A (TS)
Institutional ownership reported to the SEC as of Q2 2026, across 31 quarters.
276
Reporting holders
$2.1B
Reported value
3.4%
Of shares outstanding
2.4%
Held as options
+23
Holder change
Institutions report 36,793,617 shares against 1,071,994,930 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end. Share count carried from an earlier filing (concept 2025-12-31).
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| FMR LLC | $375.2M | 6,760,952 | 0.02% | 31q | -18.1%-$82.7M |
| RENAISSANCE TECHNOLOGIES LLC | $169.6M | 3,056,044 | 0.23% | 31q | -4.5%-$8.0M |
| VAN ECK ASSOCIATES CORP | $137.5M | 2,478,526 | 0.08% | 31q | -14.3%-$23.0M |
| WELLINGTON MANAGEMENT GROUP LLP | $136.4M | 2,458,033 | 0.02% | 31q | +2.2%+$2.9M |
| MORGAN STANLEY | $68.8M | 1,238,988 | 0.00% | 35q | +5.2%+$3.4M |
| GOLDMAN SACHS GROUP INC | $65.5M | 1,179,501 | 0.01% | 31q | +63.6%+$25.4M |
| Merewether Investment Management, LP | $62.7M | 1,130,692 | 1.18% | new | NEW |
| DIMENSIONAL FUND ADVISORS LP | $57.7M | 1,039,883 | 0.01% | 31q | -7.2%-$4.5M |
| Holocene Advisors, LP | $57.2M | 1,030,105 | 0.13% | new | NEW |
| Driehaus Capital Management LLC | $55.6M | 1,001,129 | 0.32% | 2q | +12.7%+$6.3M |
| CWA Asset Management Group, LLC | $54.8M | 987,291 | 1.67% | 2q | +94.9%+$26.7M |
| Invesco Ltd. | $50.0M | 901,517 | 0.00% | 7q | -22.8%-$14.8M |
| JANE STREET GROUP, LLC | $48.6M | 716,734 | 0.00% | 31q | +610.8%+$41.8M |
| BlackRock, Inc. | $41.5M | 747,509 | 0.00% | 8q | +4.4%+$1.8M |
| MARSHALL WACE, LLP | $39.1M | 704,368 | 0.03% | 2q | +8704.6%+$38.6M |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $35.3M | 628,372 | 0.01% | 15q | -2.9%-$1.0M |
| MILLENNIUM MANAGEMENT LLC | $34.4M | 619,526 | 0.01% | 31q | +801.5%+$30.6M |
| UBS Group AG | $32.3M | 581,680 | 0.00% | 31q | +16.6%+$4.6M |
| Bridgewater Associates, LP | $31.5M | 568,223 | 0.13% | 2q | +1884.7%+$29.9M |
| ASSETMARK, INC | $31.1M | 560,853 | 0.05% | 14q | +14.3%+$3.9M |
| Aventail Capital Group, LP | $31.1M | 559,941 | 1.78% | 7q | +540.9%+$26.2M |
| Freestone Grove Partners LP | $28.0M | 504,463 | 0.18% | new | NEW |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $26.7M | 12,690 | 0.00% | 31q | -44.1%-$21.1M |
| SIR Capital Management, L.P. | $20.5M | 368,588 | 2.35% | new | NEW |
| BANK OF AMERICA CORP /DE/ | $19.1M | 343,934 | 0.00% | 31q | +117.1%+$10.3M |
| CITADEL ADVISORS LLC | $16.7M | 232,876 | 0.00% | 31q | -20.4%-$4.3M |
| Connor, Clark & Lunn Investment Management Ltd. | $16.3M | 293,599 | 0.03% | 2q | +64.5%+$6.4M |
| Carrhae Capital LLP | $15.4M | 278,311 | 0.43% | 2q | -17.5%-$3.3M |
| Harding Loevner LP | $14.7M | 264,186 | 0.14% | 31q | -9.8%-$1.6M |
| NORTHERN TRUST CORP | $11.7M | 211,326 | 0.00% | 31q | -3.0%-$364.7K |
| Capital Wealth Planning, LLC | $11.6M | 208,408 | 0.06% | 2q | -13.3%-$1.8M |
| Grantham, Mayo, Van Otterloo & Co. LLC | $10.5M | 189,569 | 0.02% | 13q | -45.5%-$8.8M |
| AQR CAPITAL MANAGEMENT LLC | $10.2M | 183,476 | 0.00% | 21q | +26.2%+$2.1M |
| Kiltearn Partners LLP | $9.6M | 173,766 | 2.34% | 11q | -15.2%-$1.7M |
| LMR Partners LLP | $9.6M | 172,323 | 0.04% | new | NEW |
| Quantinno Capital Management LP | $9.1M | 163,782 | 0.01% | 15q | +11.9%+$967.5K |
| NATIONAL BANK OF CANADA /FI/ | $8.1M | 146,497 | 0.01% | 2q | HELD |
| STATE STREET CORP | $8.0M | 143,477 | 0.00% | 5q | -29.4%-$3.3M |
| Medina Value Partners, LLC | $7.4M | 134,108 | 1.46% | 8q | -47.1%-$6.6M |
| Legal & General Group Plc | $7.2M | 129,637 | 0.00% | 31q | -11.5%-$936.6K |
| CAPITAL FUND MANAGEMENT S.A. | $7.0M | 125,440 | 0.03% | new | NEW |
| XTX Topco Ltd | $6.9M | 124,656 | 0.09% | 5q | +769.5%+$6.1M |
| Y-Intercept (Hong Kong) Ltd | $6.2M | 112,363 | 0.12% | new | NEW |
| Lighthouse Investment Partners, LLC | $5.9M | 105,655 | 0.16% | 3q | +148.6%+$3.5M |
| Point72 Asset Management, L.P. | $5.7M | 103,502 | 0.01% | new | NEW |
| PEAK6 LLC | $5.5M | options only | 0.01% | 3q | OPTIONS |
| Ethic Inc. | $5.5M | 98,988 | 0.07% | 25q | -21.2%-$1.5M |
| ExodusPoint Capital Management, LP | $5.1M | 92,044 | 0.03% | 2q | +710.0%+$4.5M |
| Creative Planning | $4.9M | 88,942 | 0.00% | 16q | +22.1%+$894.6K |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | $4.5M | 80,885 | 0.03% | 12q | -19.7%-$1.1M |
| LEUTHOLD GROUP, LLC | $4.5M | 80,367 | 0.45% | 2q | -4.3%-$201.3K |
| Energy Income Partners, LLC | $4.4M | 80,180 | 0.07% | new | NEW |
| Integrated Quantitative Investments LLC | $4.2M | 75,734 | 0.69% | 5q | +13.4%+$495.9K |
| AMERICAN CENTURY COMPANIES INC | $3.6M | 64,923 | 0.00% | 18q | +125.9%+$2.0M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $3.6M | 64,854 | 0.00% | 12q | +13.1%+$416.8K |
| Sixth Street Partners Management Company, L.P. | $3.6M | 64,854 | 0.00% | new | NEW |
| CITIGROUP INC | $3.6M | 64,250 | 0.00% | 31q | +4.6%+$155.6K |
| SIMPLEX TRADING, LLC | $3.5M | options only | 0.00% | 31q | OPTIONS |
| MERCER GLOBAL ADVISORS INC /ADV | $3.5M | 62,308 | 0.00% | 10q | +85.2%+$1.6M |
| GUGGENHEIM CAPITAL LLC | $3.4M | 61,742 | 0.02% | 31q | +24.4%+$671.2K |
| FIRST TRUST ADVISORS LP | $3.4M | 60,384 | 0.00% | 7q | +322.1%+$2.6M |
| LAZARD ASSET MANAGEMENT LLC | $3.3M | 58,680 | 0.00% | 18q | +0.7%+$23.7K |
| J. Goldman & Co LP | $2.7M | 49,500 | 0.07% | new | NEW |
| Nuveen, LLC | $2.6M | 47,009 | 0.00% | new | NEW |
| WELLS FARGO & COMPANY/MN | $2.6M | 46,860 | 0.00% | 31q | -47.2%-$2.3M |
| Campbell & CO Investment Adviser LLC | $2.6M | 46,579 | 0.14% | 2q | +13.5%+$307.2K |
| CENTRAL VALLEY ADVISORS, LLC | $2.6M | 46,572 | 0.66% | new | NEW |
| Balyasny Asset Management L.P. | $2.5M | 45,238 | 0.00% | new | NEW |
| HIGHLAND CAPITAL MANAGEMENT, LLC | $2.4M | 43,970 | 0.11% | 31q | HELD |
| Vident Advisory, LLC | $2.4M | 43,189 | 0.02% | 9q | HELD |
| Walleye Capital LLC | $2.3M | 36,651 | 0.01% | new | NEW |
| Pathstone Holdings, LLC | $2.2M | 40,340 | 0.01% | 11q | HELD |
| GTS SECURITIES LLC | $2.2M | 39,981 | 0.05% | 2q | -36.2%-$1.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $2.2M | 39,063 | 0.00% | 3q | +468.4%+$1.8M |
| Mariner, LLC | $2.0M | 36,774 | 0.00% | 16q | -8.8%-$196.1K |
| MANNING & NAPIER ADVISORS LLC | $2.0M | 36,400 | 0.03% | 9q | -30.7%-$900.8K |
| BANK OF MONTREAL /CAN/ | $2.0M | 36,498 | 0.00% | 10q | +20.3%+$341.9K |
| Corient Private Wealth LP | $2.0M | 36,303 | 0.00% | 15q | +146.3%+$1.2M |
| JPMORGAN CHASE & CO | $2.0M | 35,187 | 0.00% | 31q | +85.2%+$906.3K |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | $1.9M | 33,870 | 0.01% | 11q | -23.7%-$585.3K |
| GROUP ONE TRADING LLC | $1.9M | 7,136 | 0.00% | 8q | -18.1%-$414.9K |
| NEW YORK STATE COMMON RETIREMENT FUND | $1.9M | 33,399 | 0.00% | 5q | HELD |
| Cerity Partners LLC | $1.8M | 32,463 | 0.00% | 17q | +2.7%+$46.6K |
| Fulcrum Asset Management LLP | $1.8M | 32,076 | 0.18% | new | NEW |
| Mork Capital Management, LLC | $1.6M | 28,320 | 1.01% | 3q | HELD |
| VANGUARD CAPITAL MANAGEMENT LLC | $1.5M | 26,589 | 0.00% | 2q | HELD |
| Savant Capital, LLC | $1.4M | 24,582 | 0.00% | 5q | +99.0%+$695.3K |
| VIKING FUND MANAGEMENT LLC | $1.4M | 25,000 | 0.12% | 15q | HELD |
| Schonfeld Strategic Advisors LLC | $1.4M | 24,969 | 0.00% | new | NEW |
| Cadence Wealth Management LLC | $1.4M | 24,863 | 0.62% | 9q | +4.9%+$64.0K |
| Callan Family Office, LLC | $1.4M | 24,482 | 0.03% | 7q | +2.1%+$28.4K |
| Hennion & Walsh Asset Management, Inc. | $1.4M | 24,383 | 0.04% | 4q | +1.4%+$18.9K |
| AMERIPRISE FINANCIAL INC | $1.3M | 23,784 | 0.00% | 27q | -49.3%-$1.3M |
| Vanguard Personalized Indexing Management, LLC | $1.3M | 23,594 | 0.01% | 17q | +13.5%+$156.0K |
| EVERGREEN CAPITAL MANAGEMENT LLC | $1.3M | 23,043 | 0.02% | 23q | -3.8%-$50.2K |
| Laird Norton Wetherby Trust Company, LLC | $1.3M | 22,906 | 0.02% | 3q | -1.7%-$21.6K |
| Tidal Investments LLC | $1.2M | 21,660 | 0.00% | 3q | +17.2%+$176.6K |
| Beck Bode, LLC | $1.2M | 21,659 | 0.18% | 3q | +2.4%+$28.0K |
| Russell Investments Group, Ltd. | $1.2M | 21,128 | 0.00% | 18q | +58.1%+$432.0K |
| SEI INVESTMENTS CO | $1.1M | 20,582 | 0.00% | 14q | -23.0%-$341.0K |
Showing the largest 100 of 286 reported holders.
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 276 | $2.1B | 36,793,617 | 54 | 87 | 76 | 2.4% |
| Q1 2026 | 253 | $2.1B | 34,970,505 | 63 | 80 | 63 | 1.9% |
| Q4 2025 | 224 | $1.1B | 29,263,096 | 42 | 70 | 67 | 1.0% |
| Q3 2025 | 218 | $1.2B | 32,588,476 | 35 | 73 | 61 | 0.7% |
| Q2 2025 | 214 | $1.6B | 42,865,618 | 33 | 86 | 62 | 1.1% |
| Q1 2025 | 218 | $1.9B | 47,901,467 | 26 | 67 | 77 | 1.0% |
| Q4 2024 | 224 | $1.8B | 46,211,180 | 45 | 56 | 74 | 1.5% |
| Q3 2024 | 190 | $1.5B | 46,083,067 | 24 | 64 | 68 | 2.0% |
| Q2 2024 | 214 | $1.5B | 49,785,393 | 28 | 72 | 74 | 0.7% |
| Q1 2024 | 222 | $2.0B | 50,768,421 | 46 | 67 | 69 | 0.6% |
| Q4 2023 | 204 | $1.9B | 53,474,807 | 23 | 60 | 68 | 0.3% |
| Q3 2023 | 199 | $1.5B | 45,603,655 | 35 | 59 | 60 | 0.7% |
| Q2 2023 | 181 | $1.6B | 58,159,335 | 26 | 65 | 61 | 0.5% |
| Q1 2023 | 203 | $1.5B | 56,352,396 | 40 | 78 | 43 | 0.5% |
| Q4 2022 | 182 | $1.6B | 49,376,392 | 43 | 47 | 58 | 0.4% |
| Q3 2022 | 181 | $1.7B | 71,883,135 | 29 | 58 | 66 | 0.8% |
| Q2 2022 | 183 | $1.6B | 71,437,964 | 31 | 51 | 68 | 0.7% |
| Q1 2022 | 186 | $2.1B | 78,961,299 | 66 | 51 | 42 | 0.6% |
| Q4 2021 | 148 | $1.0B | 50,090,917 | 28 | 43 | 53 | 0.4% |
| Q3 2021 | 132 | $1.0B | 48,742,994 | 10 | 52 | 40 | 1.4% |
| Q2 2021 | 147 | $1.2B | 54,530,476 | 30 | 40 | 43 | 0.8% |
| Q1 2021 | 134 | $1.4B | 59,486,072 | 24 | 51 | 36 | 3.0% |
| Q4 2020 | 131 | $1.0B | 63,072,609 | 24 | 44 | 45 | 0.6% |
| Q3 2020 | 121 | $674.1M | 67,944,816 | 19 | 34 | 49 | 0.7% |
| Q2 2020 | 131 | $965.9M | 73,022,986 | 32 | 46 | 34 | 2.2% |
| Q1 2020 | 129 | $849.5M | 70,073,058 | 26 | 41 | 41 | 0.6% |
| Q4 2019 | 143 | $1.5B | 67,245,723 | 22 | 33 | 56 | 0.1% |
| Q3 2019 | 136 | $1.8B | 83,605,954 | 12 | 50 | 46 | 0.5% |
| Q2 2019 | 160 | $2.2B | 83,378,040 | 25 | 52 | 55 | 0.6% |
| Q1 2019 | 164 | $2.5B | 86,661,357 | 32 | 50 | 58 | 0.7% |
| Q4 2018 | 169 | $1.9B | 85,644,999 | 3 | 4 | 1 | 0.2% |