Tenaris Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of TW10?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	858,712	0.0788%
Institutions	179,687,721	16.5%
General Public	195,722,935	18%
Private Companies	713,804,291	65.5%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 76.77% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
65.5%	Rocca & Partners Stichting Administratiekantoor Aandelen San Faustin	713,605,187	€12.8b	0%	no data
1.64%	BlackRock, Inc.	17,879,836	€320.9m	-8.76%	0.01%
1.61%	The Vanguard Group, Inc.	17,598,742	€315.9m	0.22%	no data
0.95%	Massachusetts Financial Services Company	10,354,410	€185.9m	74.4%	0.04%
0.76%	Westwood Global Investments LLC	8,240,633	€147.9m	-0.19%	7.63%
0.58%	Caisse de dépôt et placement du Québec	6,305,192	€113.2m	0%	0.11%
0.57%	Amundi Asset Management SAS	6,166,261	€110.7m	-38%	0.02%
0.56%	Norges Bank Investment Management	6,099,160	€109.5m	0%	0.01%
0.56%	T. Rowe Price Group, Inc.	6,085,029	€109.2m	0%	0.02%
0.47%	FMR LLC	5,126,532	€92.0m	-0.01%	0.01%
0.39%	Wellington Management Group LLP	4,265,670	€76.6m	-0.03%	0.02%
0.37%	Geode Capital Management, LLC	4,009,609	€72.0m	0.04%	0.01%
0.35%	M&G Investment Management Limited	3,777,114	€67.8m	0%	0.14%
0.26%	State Street Global Advisors, Inc.	2,823,123	€50.7m	-9.21%	no data
0.26%	Renaissance Technologies LLC	2,819,144	€50.6m	8.76%	0.15%
0.25%	Liontrust Asset Management PLC	2,717,581	€48.8m	0%	0.21%
0.25%	Van Eck Associates Corporation	2,686,337	€48.2m	-0.16%	0.11%
0.22%	Artemis Investment Management LLP	2,384,328	€42.8m	0%	0.18%
0.2%	Sourcerock Group LLC	2,166,500	€38.9m	-28.9%	6.61%
0.2%	Invesco Ltd.	2,134,550	€38.3m	1.92%	0.01%
0.19%	Millennium Management LLC	2,038,707	€36.6m	403%	0.06%
0.19%	Balyasny Asset Management L.P.	2,036,609	€36.6m	0%	0.2%
0.18%	Fideuram - Intesa Sanpaolo Private Banking Asset Management S.G.R. S.p.A.	1,912,621	€34.3m	0%	1.13%
0.16%	Citadel Advisors LLC	1,795,953	€32.2m	7.37%	0.07%
0.16%	Orbis Investment Management Limited	1,779,017	€31.9m	-75.8%	0.21%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2024/12/23 16:56
End of Day Share Price	2024/12/20 00:00
Earnings	2024/09/30
Annual Earnings	2023/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more here.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on .

Analyst Sources

Tenaris S.A. is covered by 62 analysts. 15 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Christian Reos	Allaria Ledesma & Cia Sociedad de Bolsa S.A.
Fabrice Farigoule	AlphaValue
Francesco Sala	Banca Akros S.p.A. (ESN)