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Of the 12 tracked institutions holding TS, 6 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +3.4pt. It's a gauge of who owns the name, not just how many.
Among the 12 tracked institutional investors we monitor, TS (TENARIS S A) is held with a combined value of $999.01M across 17,180,092 shares. The largest holder is FMR LLC with a position worth $480.09M (0.03% of their portfolio). Bridgewater Associates, LP opened a new position in the most recent quarter. 6 funds increased their holdings. 4 funds reduced their position.
Total Institutional Value
$999.01M
Total Shares Held
17,180,092
Institutional Holders
12
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | FMR LLC | $480.09M | 0.03% | +275.3% |
| 2 | RENAISSANCE TECHNOLOGIES LLC | $186.16M | 0.29% | +7.9% |
| 3 | WELLINGTON MANAGEMENT GROUP LLP | $139.92M | 0.03% | -10.3% |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | $84.08M | 0.01% | -12.4% |
| 5 | BlackRock, Inc. | $41.64M | 0.00% | +2.8% |
| 6 | Grantham, Mayo, Van Otterloo & Co. LLC | $20.22M | 0.05% | +4.6% |
| 7 | CITADEL ADVISORS LLC | $17.01M | 0.01% | -68.6% |
| 8 | STATE STREET CORP | $11.82M | 0.00% | +1.3% |
| 9 | AQR CAPITAL MANAGEMENT LLC | $8.46M | 0.00% | +31.2% |
| 10 | MILLENNIUM MANAGEMENT LLC | $6.91M | 0.00% | -24.0% |
As of the latest SEC 13F filings, FMR LLC is the largest institutional holder of TS with a position worth $480.09M, representing 0.03% of their portfolio. In total, 12 institutional investors hold TS with a combined value of $999.01M.
In the most recent quarter, 1 fund opened a new position in TS. Additionally, 6 increased their holdings and 4 reduced their positions.
Institutional investors hold $999.01M worth of TS stock across 12 positions. The largest institutional holder is FMR LLC with $480.09M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For TS, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their TS positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$57.67
2026-07-24
YTD
+47.6%
79% of 52-week range
