TS
Tenaris S.A. · Energy · Oil & Gas Equipment & Services
Momentum inputs (comparable managers):
holder breadth -18.2% ·
share flow +30.0% ·
net new positions -20.0%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 84 | +4 | 28.42M | $1.56B | +9 | −5 |
| Q1 2026 | 81 | +9 | 25.58M | $1.47B | +14 | −5 |
| Q4 2025 | 72 | +1 | 20.40M | $774.87M | +1 | — |
| Q3 2025 | 15 | -1 | 13.56M | $484.98M | — | −1 |
| Q2 2025 | 13 | +1 | 12.62M | $471.84M | +1 | — |
| Q1 2025 | 9 | 0 | 12.05M | $471.09M | +1 | −1 |
| Q4 2024 | 9 | 0 | 12.35M | $466.88M | +1 | −1 |
| Q3 2024 | 9 | -2 | 12.65M | $402.20M | — | −2 |
| Q2 2024 | 11 | — | 9.63M | $293.84M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Renaissance Technologies ✦ | 2.82M | +8.8% | $89.62M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 2 | Wellington Management ✦ | 2.55M | +187.4% | $80.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Wellington Management ✦ | 2.55M | +187.4% | $80.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Wellington Management ✦ | 2.55M | +187.4% | $80.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Wellington Management ✦ | 2.55M | +187.4% | $80.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Millennium Management ✦ | 2.04M | +403.3% | $64.81M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 7 | T. Rowe Price ✦ | 1.98M | +5.6% | $63.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | T. Rowe Price ✦ | 1.98M | +5.6% | $63.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | T. Rowe Price ✦ | 1.98M | +5.6% | $63.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 1.80M | +7.4% | $57.09M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 11 | Citadel Advisors ✦ | 1.80M | +7.4% | $57.09M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 12 | Point72 Asset Management ✦ | 1.05M | +102.5% | $33.40M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 13 | Two Sigma Investments ✦ | 349.36K | -29.5% | $11.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 51.33K | -85.5% | $1.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 18.16K | -11.7% | $577,338 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Marshall Wace | $21.80M | was 0.0% |
| Norges Bank | $2.79M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 16.80M shares, $472.50M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.