Companies / Gerdau S.A.
Gerdau S.A.
NYSE: GBBGG, GGBCIK 1073404SAO PAULO, SP
Financials · FY2025 · BRL
Ownership
717.8M shares outstanding
Ownership
| 10%+ / strategic | 14.12% | 101,382,905 |
| Institutions | 36.17% | 259,608,526 |
| Public float | 49.71% | 356,791,188 |
% of common shares outstanding (single-class filing figure). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 19
View all →| Insider | % of shares | Shares |
|---|---|---|
Da Cunha Gustavo WerneckCEOCEO and Board Member | — | — |
de Franca Gustavo SilvaOfficer | — | — |
| — | — | |
| — | — | |
| — | — | |
| — | — | |
| — | — | |
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Institutional holders 190
View all →| Holder | Value | % of shares |
|---|---|---|
| $364.03M | 13.74% | |
| $101.16M | 3.82% | |
| $93.28M | 3.60% | |
| $89.34M | 3.37% | |
| $73.63M | 2.54% | |
| $72.05M | 2.72% | |
| $68.84M | 2.66% | |
| $44.51M | 1.68% | |
| $39.48M | 1.52% | |
| $31.47M | 1.21% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| May 8, 2026 | Da Cunha Gustavo Werneck CEO | Sell | Preferred shares | $2.11M | -433K -100.00% | 0 0.00% of shares | medium |
| Jun 12, 2026 | Da Cunha Gustavo Werneck CEO | Buy | Preferred shares | $781.5K | +165K | 165,224 0.02% of shares | high |
| Apr 28, 2026 | Da Cunha Gustavo Werneck CEO | Sell | Preferred shares | $396.0K | -88K -99.91% | 80 <0.01% of shares | medium |
| Apr 28, 2026 | Wang Chia Yuan | Sell | Preferred shares | $344.4K | -77K -45.41% | 92,195 0.01% of shares | medium |
| Mar 20, 2026 | Johannpeter Guilherme Chagas Gerdau | Sell | Preferred shares | $281.6K | -86K -100.00% | 0 0.00% of shares | medium |
| Mar 20, 2026 | Johannpeter Guilherme Chagas Gerdau | Sell | Preferred shares | $281.6K | -86K -100.00% | 0 0.00% of shares | medium |
| Apr 9, 2026 | Da Cunha Gustavo Werneck CEO | Sell | Preferred shares | $208.0K | -50K -36.21% | 88,080 0.01% of shares | medium |
| Apr 8, 2026 | Da Cunha Gustavo Werneck CEO | Sell | Preferred shares | $200.5K | -50K -26.58% | 138,080 0.02% of shares | medium |
5%+ ownership events
Schedule 13D / 13G
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| GGB | ADR | 373737105 |