Tenaris S. A. (TS) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for TS. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 278 institutions reported holding TS, with 38.3 million shares worth $2.1 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| FMR | 6,760,952 | $375M | DECREASED |
| Renaissance Technologies | 3,056,044 | $170M | DECREASED |
| Van Eck Associates | 2,478,526 | $138M | DECREASED |
| Wellington Management | 2,458,033 | $136M | INCREASED |
| T. Rowe Price | 1,502,839 | $83M | INCREASED |
Full institutional holdings, insider history, and congressional trades for Tenaris S. A. on SentiSense.