TENARIS SA-ADR (TS) Institutional Ownership Changes & 13F Activity

TENARIS SA-ADR (TS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Sequoia Financial Advisors, Ariel Appreciation Fund, Egerton Capital UK, and Viking Global Investors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2016Ariel Appreciation FundSell-66,725251,039$7,130
Q2 2016Ariel Appreciation FundBuy182,784317,764$9,164
Q1 2016Renaissance Technologies LLCSell-300,600124,500$3,083
Q1 2016Ariel Appreciation FundBuy134,980134,980$3,342
Q3 2015Renaissance Technologies LLCBuy236,100425,100$10,249
Q2 2015Renaissance Technologies LLCBuy116,500189,000$5,107
Q1 2015Renaissance Technologies LLCSell-338,40072,500$2,030
Q4 2014Renaissance Technologies LLCBuy115,200410,900$12,413
Q3 2014Egerton Capital UKBuy1,254,5751,254,575$57,146
Q4 2013Renaissance Technologies LLCBuy295,700295,700$12,919

Frequently asked questions about TS activity

  • Which institutional owners are buying TS?

    Institutional owners buying TS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in TS activity?

    "Buy" means an investor increased their reported position in TS compared to the prior reporting period. This reflects growing exposure to TENARIS SA-ADR (TS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in TS increasing?

    Institutional interest in TS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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