GGB
Gerdau S.A. · Basic Materials · Steel
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 4 | +1 | 35.57M | $167.88M | +1 | n/a |
| Q2 2026 | 84 | +1 | 223.40M | $903.33M | +8 | −7 |
| Q1 2026 | 84 | +13 | 198.19M | $715.04M | +16 | −3 |
| Q4 2025 | 70 | 0 | 216.62M | $799.46M | n/a | n/a |
| Q3 2025 | 16 | 0 | 139.76M | $433.27M | n/a | n/a |
| Q2 2025 | 13 | 0 | 161.28M | $470.94M | n/a | n/a |
| Q1 2025 | 10 | 0 | 38.42M | $109.11M | n/a | n/a |
| Q4 2024 | 10 | 0 | 35.14M | $101.21M | n/a | n/a |
| Q3 2024 | 9 | 0 | 21.46M | $75.13M | +2 | −2 |
| Q2 2024 | 9 | n/a | 23.70M | $78.21M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Ninety One UK Ltd | 30.80M | New | $145.39M | 0.3% | New | 1 | SEC ↗ |
| 2 | Assenagon Asset Management S.A. | 4.45M | -44.8% | $21.02M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | Robeco Institutional Asset… | 310.73K | +51.5% | $1.47M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | Assetmark, Inc | 2.01K | -83.0% | $9,492 | 0.0% | ▼ Trim | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Ninety One UK Ltd | $145.39M | 0.3% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 192 holders, 308.60M shares, $1.06B 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.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Other · 85.61K sh · $422,899
Other · 51.80K sh · $263,662
Other · 99.20K sh · $490,048
Other · 10.00K sh · $51,000
Other · 10.39K sh · $53,078
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology