TENARIS SA

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Major Shareholders Latest
Shareholder
Rocca & Partners Stichting Administratiekantoor Aandelen San Faustin	68.34%	690.01M	1.93%	-21.00M	02/28/2026
Massachusetts Financial Services Company	2.11%	21.26M	0.08%	-806.63K	05/31/2026
BlackRock, Inc.	2.06%	20.78M	0.10%	-980.01K	06/30/2026
FMR LLC	1.59%	16.09M	1.05%	-516.16K	03/31/2026
Westwood Global Investments LLC	1.32%	13.35M	0.12%	-1.20M	03/31/2026
Vanguard Capital Management, LLC	0.98%	9.92M	0.05%	-496.71K	06/30/2026
Invesco Ltd.	0.74%	7.50M	<0.01%	+69.88K	05/29/2026
Renaissance Technologies LLC	0.63%	6.40M	0.05%	+470.80K	03/31/2026
Van Eck Associates Corporation	0.61%	6.11M	0.17%	+1.75M	03/31/2026
Wellington Management Group LLP	0.58%	5.88M	<0.01%	+95.79K	06/30/2026
T. Rowe Price Group, Inc.	0.45%	4.59M	<0.01%	-88.05K	06/30/2026
Norges Bank Investment Management	0.43%	4.32M	<0.01%	+0	12/31/2025
Goldman Sachs Asset Management, L.P.	0.42%	4.26M	0.03%	-270.64K	06/30/2026
Dimensional Fund Advisors LP	0.42%	4.21M	<0.01%	-3.07K	06/30/2026
Amundi Asset Management SAS	0.34%	3.47M	0.15%	-1.51M	06/29/2026
Geode Capital Management, LLC	0.30%	3.01M	<0.01%	+93.26K	05/29/2026
UBS Asset Management AG	0.29%	2.95M	0.06%	+610.16K	05/29/2026
Vanguard Fiduciary Trust Company	0.28%	2.82M	0.01%	-151.14K	06/30/2026
CWA Asset Management Group, LLC	0.20%	1.97M	0.10%	+961.48K	06/30/2026
State Street Global Advisors, Inc.	0.19%	1.93M	0.02%	-231.35K	06/30/2026

All Shareholders