Tenaris SA
TS- Exchange
- NYSE
- Industry
- Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
- SEC CIK
- 0001190723
No open-market purchases or sales by Tenaris SA insiders were filed in the last 90 days; 285 institutions reported holding it in 13F filings for Q2 2026, worth $2.13B in total; no superinvestor holds it.
Other share classesTNRSF
13F holders, Q2 2026
Institutional positions in Tenaris SA as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 285
- +25 vs. Q1 2026
- Shares held
- 38.4M
- −906.0K (−2.3%) vs. Q1 2026
- Total value
- $2.13B
- −$154.9M (−6.8%) vs. Q1 2026
- New holders
- 54
- 99 more added
- Sold out
- 29
- 81 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 285 | $2.13B |
| Q1 2026 | 264 | $2.29B |
| Q4 2025 | 229 | $1.27B |
| Q3 2025 | 223 | $1.28B |
| Q2 2025 | 223 | $1.71B |
| Q1 2025 | 227 | $2.01B |
| Q4 2024 | 234 | $1.90B |
| Q3 2024 | 201 | $1.60B |
| Q2 2024 | 224 | $1.70B |
| Q1 2024 | 236 | $2.19B |
| Q4 2023 | 222 | $2.16B |
| Q3 2023 | 216 | $1.94B |
| Q2 2023 | 201 | $1.93B |
| Q1 2023 | 227 | $1.74B |
| Q4 2022 | 218 | $2.07B |
| Q3 2022 | 179 | $1.66B |
| Q2 2022 | 182 | $1.61B |
| Q1 2022 | 182 | $2.08B |
| Q4 2021 | 144 | $1.04B |
| Q3 2021 | 130 | $1.03B |
| Q2 2021 | 143 | $1.19B |
| Q1 2021 | 127 | $1.32B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Tenaris SA; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 6,760,952 | $375.2M | 0.02% | −1,490,807−18.1% | Reduced |
| Renaissance Technologies LLC | 3,056,044 | $169.6M | 0.23% | −143,700−4.5% | Reduced |
| Van Eck Associates Corp | 2,478,526 | $137.5M | 0.08% | −414,506−14.3% | Reduced |
| Wellington Management Group LLP | 2,458,033 | $136.4M | 0.02% | +52,999+2.2% | Added |
| Price T Rowe Associates Inc | 1,502,839 | $83.4M | 0.01% | +57,629+4.0% | Added |
| Morgan Stanley | 1,238,988 | $68.8M | 0.00% | +60,919+5.2% | Added |
| Goldman Sachs Group Inc | 1,179,501 | $65.5M | 0.01% | +458,607+63.6% | Added |
| Merewether Investment Management, LP | 1,130,692 | $62.7M | 1.18% | +1,130,692 | New |
| Dimensional Fund Advisors LP | 1,039,883 | $57.7M | 0.01% | −81,124−7.2% | Reduced |
| Holocene Advisors, LP | 1,030,105 | $57.2M | 0.13% | +1,030,105 | New |
| Driehaus Capital Management LLC | 1,001,129 | $55.6M | 0.32% | +112,783+12.7% | Added |
| CWA Asset Management Group, LLC | 987,291 | $54.8M | 1.68% | +480,741+94.9% | Added |
| Invesco Ltd. | 901,517 | $50.0M | 0.00% | −266,955−22.8% | Reduced |
| BlackRock, Inc. | 747,509 | $41.5M | 0.00% | +31,718+4.4% | Added |
| Jane Street Group, LLC | 716,734 | $39.8M | 0.03% | +615,896+610.8% | Added |
| Marshall Wace, LLP | 704,368 | $39.1M | 0.03% | +696,368+8,704.6% | Added |
| Massachusetts Financial Services Co | 628,372 | $35.3M | 0.01% | −18,482−2.9% | Reduced |
| Millennium Management LLC | 619,526 | $34.4M | 0.02% | +550,803+801.5% | Added |
| UBS Group AG | 581,680 | $32.3M | 0.01% | +82,702+16.6% | Added |
| Bridgewater Associates, LP | 568,223 | $31.5M | 0.13% | +539,593+1,884.7% | Added |
| Assetmark, Inc | 560,853 | $31.1M | 0.05% | +70,076+14.3% | Added |
| Aventail Capital Group, LP | 559,941 | $31.1M | 1.78% | +472,574+540.9% | Added |
| Freestone Grove Partners LP | 504,463 | $28.0M | 0.18% | +504,463 | New |
| SIR Capital Management, L.P. | 368,588 | $20.5M | 2.35% | +368,588 | New |
| Bank of America Corp | 343,934 | $19.1M | 0.00% | +185,497+117.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 293,599 | $16.3M | 0.03% | +115,160+64.5% | Added |
| Carrhae Capital LLP | 278,311 | $15.4M | 1.02% | −59,117−17.5% | Reduced |
| Harding Loevner LP | 264,186 | $14.7M | 0.14% | −28,672−9.8% | Reduced |
| Citadel Advisors LLC | 232,876 | $12.9M | 0.01% | −59,547−20.4% | Reduced |
| Northern Trust Corp | 211,326 | $11.7M | 0.00% | −6,572−3.0% | Reduced |
| Capital Wealth Planning, LLC | 208,408 | $11.6M | 0.06% | −32,106−13.3% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 189,569 | $10.5M | 0.02% | −158,015−45.5% | Reduced |
| AQR Capital Management LLC | 183,476 | $10.2M | 0.00% | +38,049+26.2% | Added |
| Kiltearn Partners LLP | 173,766 | $9.64M | 2.34% | −31,093−15.2% | Reduced |
| LMR Partners LLP | 172,323 | $9.56M | 0.07% | +172,323 | New |
| Quantinno Capital Management LP | 163,782 | $9.09M | 0.01% | +17,435+11.9% | Added |
| National Bank of Canada | 146,497 | $8.12M | 0.01% | +642+0.4% | Added |
| State Street Corp | 143,477 | $7.96M | 0.00% | −59,701−29.4% | Reduced |
| Medina Singh Partners, LLC | 134,108 | $7.44M | 1.46% | −119,254−47.1% | Reduced |
| Legal & General Group Plc | 129,637 | $7.19M | 0.00% | −16,878−11.5% | Reduced |
| Capital Fund Management S.A. | 125,440 | $6.96M | 0.05% | +125,440 | New |
| XTX Topco Ltd | 124,656 | $6.92M | 0.09% | +110,319+769.5% | Added |
| HRT Financial LP | 124,288 | $6.90M | 0.01% | +84,514+212.5% | Added |
| Y-Intercept (Hong Kong) Ltd | 112,363 | $6.24M | 0.12% | +112,363 | New |
| Lighthouse Investment Partners, LLC | 105,655 | $5.86M | 0.18% | +63,155+148.6% | Added |
| Point72 Asset Management, L.P. | 103,502 | $5.74M | 0.01% | +103,502 | New |
| Ethic Inc. | 98,988 | $5.49M | 0.07% | −26,584−21.2% | Reduced |
| ExodusPoint Capital Management, LP | 92,044 | $5.11M | 0.05% | +80,681+710.0% | Added |
| Creative Planning | 88,942 | $4.94M | 0.00% | +16,122+22.1% | Added |
| Silvercrest Asset Management Group LLC | 80,885 | $4.49M | 0.03% | −19,853−19.7% | Reduced |
| Leuthold Group, LLC | 80,367 | $4.46M | 0.45% | −3,627−4.3% | Reduced |
| Energy Income Partners, LLC | 80,180 | $4.45M | 0.07% | +80,180 | New |
| Integrated Quantitative Investments LLC | 75,734 | $4.20M | 0.69% | +8,936+13.4% | Added |
| American Century Companies Inc | 64,923 | $3.60M | 0.00% | +36,189+125.9% | Added |
| Charles Schwab Investment Management Inc | 64,854 | $3.60M | 0.00% | +7,512+13.1% | Added |
| Citigroup Inc | 64,250 | $3.57M | 0.00% | +2,804+4.6% | Added |
| Guggenheim Capital LLC | 61,742 | $3.43M | 0.02% | +12,096+24.4% | Added |
| First Trust Advisors LP | 60,384 | $3.35M | 0.00% | +46,080+322.1% | Added |
| Lazard Asset Management LLC | 58,680 | $3.26M | 0.00% | +428+0.7% | Added |
| J. Goldman & Co LP | 49,500 | $2.75M | 0.10% | +49,500 | New |
| Nuveen, LLC | 47,009 | $2.61M | 0.00% | +47,009 | New |
| Wells Fargo & Company | 46,860 | $2.60M | 0.00% | +2,473+5.6% | Added |
| Campbell & CO Investment Adviser LLC | 46,579 | $2.58M | 0.14% | +5,536+13.5% | Added |
| Central Valley Advisors, LLC | 46,572 | $2.58M | 0.66% | +46,572 | New |
| Balyasny Asset Management LLC | 45,238 | $2.51M | 0.00% | +45,238 | New |
| Highland Capital Management, LLC | 43,970 | $2.44M | 0.11% | +50+0.1% | Added |
| Vident Advisory, LLC | 43,189 | $2.40M | 0.02% | +148+0.3% | Added |
| Acadian Asset Management LLC | 41,481 | $2.30M | 0.00% | +38,431+1,260.0% | Added |
| Pathstone Holdings, LLC | 40,340 | $2.24M | 0.01% | +53+0.1% | Added |
| GTS Securities LLC | 39,981 | $2.22M | 0.05% | −22,705−36.2% | Reduced |
| UBS Asset Management Americas Inc | 39,063 | $2.17M | 0.00% | +32,191+468.4% | Added |
| Mariner, LLC | 36,774 | $2.04M | 0.00% | −3,533−8.8% | Reduced |
| Manning & Napier Advisors LLC | 36,400 | $2.04M | 0.03% | −16,091−30.7% | Reduced |
| Walleye Capital LLC | 36,651 | $2.03M | 0.01% | +36,651 | New |
| Bank of Montreal | 36,498 | $2.03M | 0.00% | +6,162+20.3% | Added |
| JPMorgan Chase & Co | 35,187 | $1.97M | 0.00% | +16,190+85.2% | Added |
| O'Shaughnessy Asset Management, LLC | 33,870 | $1.88M | 0.01% | −10,547−23.7% | Reduced |
| New York State Common Retirement Fund | 33,399 | $1.85M | 0.00% | 00.0% | Unchanged |
| Cerity Partners LLC | 32,463 | $1.80M | 0.00% | +840+2.7% | Added |
| Fulcrum Asset Management LLP | 32,076 | $1.80M | 0.18% | +32,076 | New |
| Mercer Global Advisors Inc | 31,154 | $1.73M | 0.00% | −2,483−7.4% | Reduced |
| Mork Capital Management, LLC | 28,320 | $1.57M | 1.01% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 26,589 | $1.48M | 0.00% | 00.0% | Unchanged |
| Savant Capital, LLC | 24,582 | $1.40M | 0.00% | +12,227+99.0% | Added |
| Viking Fund Management LLC | 25,000 | $1.39M | 0.12% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 24,969 | $1.39M | 0.01% | +24,969 | New |
| Cadence Wealth Management LLC | 24,863 | $1.38M | 0.62% | +1,153+4.9% | Added |
| Callan Family Office, LLC | 24,482 | $1.36M | 0.03% | +512+2.1% | Added |
| Hennion & Walsh Asset Management, Inc. | 24,383 | $1.35M | 0.04% | +341+1.4% | Added |
| Ameriprise Financial Inc | 23,784 | $1.32M | 0.00% | +338+1.4% | Added |
| JustInvest LLC | 23,594 | $1.31M | 0.01% | +2,811+13.5% | Added |
| Evergreen Capital Management LLC | 23,043 | $1.28M | 0.02% | −905−3.8% | Reduced |
| Laird Norton Trust Company, LLC | 22,906 | $1.27M | 0.02% | −389−1.7% | Reduced |
| Toroso Investments, LLC | 21,660 | $1.20M | 0.00% | +3,183+17.2% | Added |
| Beck Bode, LLC | 21,659 | $1.20M | 0.18% | +505+2.4% | Added |
| Russell Investments Group, Ltd. | 21,128 | $1.18M | 0.00% | +7,766+58.1% | Added |
| SEI Investments Co | 20,582 | $1.14M | 0.00% | −6,146−23.0% | Reduced |
| US Bancorp | 20,357 | $1.13M | 0.00% | +6,004+41.8% | Added |
| Chesapeake Capital Corp | 20,168 | $1.12M | 0.61% | +2,887+16.7% | Added |
| Gabelli Funds LLC | 20,000 | $1.11M | 0.01% | 00.0% | Unchanged |