Tenaris Sa

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Tenaris Sa
TickerTS
CIK #0001190723
CUSIP88031M109
SectorManufacturing - Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
Address29 Avenue de La Porte-Neuve 3Rd Floor, Luxembourg, L 2227
Source [EDGAR]
CIK Filing 2011 - 2025
[0001190723] 6-K
[0001190723] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Aberdeen Asset Management Plc/Uk Tenaris Sa [2012-01-11] 0.17
Form 13F Holdings
Firm Period DFND Voting Shares
Sourcerock Group LLC [2025-06-30] SOLE 3,086,075 3,086,075
Renaissance Technologies LLC [2025-06-30] SOLE 2,891,544 2,891,544
FMR LLC [2025-06-30] DFND 2,037,777 2,298,468
Wellington Management Group LLP [2025-06-30] DFND 0 2,099,275
Citadel Advisors LLC [2025-06-30] DFND 1,816,207 1,816,207
Balyasny Asset Management LP [2025-06-30] SOLE 1,767,924 1,767,924
Encompass Capital Advisors LLC [2025-06-30] DFND 1,732,781 1,732,781
UBS Group AG [2025-06-30] DFND 1,536,720 1,584,876
Morgan Stanley [2025-06-30] DFND 990,802 1,118,756
Goldman Sachs Group Inc [2025-06-30] DFND 929,080 930,231
Capstone Investment Advisors LLC [2025-06-30] DFND 0 921,547
Dimensional Fund Advisors LP [2025-06-30] SOLE 877,866 880,918
Millennium Management LLC [2025-06-30] SOLE 776,963 776,963
Sir Capital Management LP [2025-06-30] SOLE 688,935 688,935
Massachusetts Financial Services Co /MA/ [2025-06-30] SOLE 657,821 657,821
BlackRock, Inc. [2025-06-30] SOLE 583,277 627,099
Bank of America Corp /DE/ [2025-06-30] DFND 28,687 595,604
Medina Value Partners LLC [2025-06-30] SOLE 556,052 556,052
Merewether Investment Management LP [2025-06-30] SOLE 533,515 533,515
AssetMark Inc [2025-06-30] SOLE 469,229 469,229
ABC Arbitrage Sa [2025-06-30] OTR 0 467,268
Quadrature Capital Ltd [2025-06-30] OTR 0 456,997
Harding Loevner LP [2025-06-30] SOLE 450,593 450,593
Freestone Grove Partners LP [2025-06-30] SOLE 362,510 362,510
Kiltearn Partners LLP [2025-06-30] SOLE 319,559 319,559
Optiver Holding B.V. [2025-06-30] DFND 0 315,703
Jane Street Group LLC [2025-06-30] DFND 295,255 308,655
Royal Bank of Canada [2025-06-30] DFND 298,653 300,381
Grantham Mayo van Otterloo & Co LLC [2025-06-30] SOLE 242,098 253,867
Walleye Trading LLC [2025-06-30] SOLE 252,547 252,547
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