TS

Tenaris S A
D

TS

Arincen56/100B

Who owns Tenaris S A?

Institutions own 7.4% of Tenaris S A's shares, through 297 funds, banks and other managers that report their holdings to the SEC; individual investors and others hold the rest. The largest on 30 June 2026 were FMR LLC (1.3%), Renaissance Technologies LLC (0.6%), Van Eck Associates Corp (0.5%).

Institutions own
7.4%
Institutional holders
297
The 10 largest hold
4.3%
Free float
94.1%
Holdings as of
30 Jun 2026

Who owns the shares

10 largest holders 4.3% Other institutions 3.1% Individuals and others 92.6%

Shares free to trade

Free float 504.82M shares ·94.1% Closely held 31.75M shares ·5.9%

Closely held shares belong to insiders, founders and owners of more than 5%, and seldom change hands. The free float is the rest: the shares anyone can buy and sell.

The largest shareholders

#HolderSharesOf the companyValueChange last quarter (shares)
1FMR LLC6,760,9521.34%375.17M USD-1,490,807
2Renaissance Technologies LLC3,056,0440.61%169.58M USD-143,700
3Van Eck Associates Corp2,478,5260.49%137.53M USD-414,506
4Wellington Management Group LLP2,458,0330.49%136.40M USD+52,999
5Price T Rowe Associates Inc1,502,8390.30%83.39M USD+57,629
6Morgan Stanley1,238,9880.25%68.75M USD+60,919
7Goldman Sachs Group Inc1,179,5010.23%65.45M USD+458,607
8Merewether Investment Management, LP1,130,6920.22%62.74M USDNew position
9Dimensional Fund Advisors LP1,039,8830.21%57.70M USD-81,124
10Holocene Advisors, LP1,030,1050.20%57.16M USDNew position

All institutions last quarter

Bought or added
211 · 55 new
Sold or cut
115 · 36 sold out
Net shares bought
-884.86K · 49.10M USD
Institutional ownership
7.6% → 7.4%

Biggest buyers last quarter

  • Merewether Investment Management, LPNew position
  • Holocene Advisors, LPNew position
  • Marshall Wace, LLP+696,368
  • Jane Street Group, LLC+615,896
  • Millennium Management LLC+550,803

Biggest sellers last quarter

  • FMR LLC-1,490,807
  • Van Eck Associates Corp-414,506
  • Invesco Ltd.-266,955
  • Grantham, Mayo, Van Otterloo & Co. LLC-158,015
  • Renaissance Technologies LLC-143,700

From the holders' 13F filings with the SEC for the quarter to 30 Jun 2026, filed up to 45 days after it; the buyers and sellers are among the 100 largest holders.

Common questions about Tenaris S A's shareholders

Source: Financial Modeling Prep

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