GGB — GERDAU S.A.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on GGB
| date | signal | measured base rate |
|---|---|---|
| 2026-08-12 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-08-03 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-07-28 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-07-28 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-07-06 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-01 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-10 | Johannpeter Andre Bier Gerdau | Open-market sale | 99.2K | 4.94 | 490.0K |
| 2026-08-06 | Japur Rafael Dorneles | Open-market sale | 10.0K | 5.10 | 51.0K |
| 2026-06-12 | Da Cunha Gustavo Werneck CEO and Board Member | Open-market purchase | 165.2K | 4.73 | 781.5K |
| 2026-06-08 | Mattiello Marcos Zilles | Open-market sale | 10.4K | 5.11 | 53.1K |
| 2026-06-02 | Wang Chia Yuan | Open-market sale | 30.9K | 4.49 | 138.9K |
| 2026-06-02 | Metz Mauricio | Open-market sale | 7.0K | 4.85 | 34.0K |
| 2026-05-26 | Metz Mauricio | Open-market sale | 5.0K | 4.70 | 23.5K |
| 2026-05-22 | Japur Rafael Dorneles | Open-market sale | 5.0K | 4.75 | 23.8K |
| 2026-05-19 | Peres Cesar Obino da Rosa Officer | Open-market sale | 8.0K | 4.60 | 36.8K |
| 2026-05-13 | Metz Mauricio | Open-market sale | 5.0K | 4.85 | 24.2K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| Capital World Investors | 99.4M | 27.5M |
| TWO SIGMA INVESTMENTS, LP | 93.3M | 25.8M |
| DONALD SMITH & CO., INC. | 87.1M | 24.1M |
| CONTRARIAN CAPITAL MANAGEMENT, L.L.C. | 68.8M | 19.1M |
| Aquamarine Financial (Cayman) Ltd | 60.4M | 16.7M |
| BANK OF AMERICA CORP /DE/ | 47.7M | 13.2M |
| DIMENSIONAL FUND ADVISORS LP | 42.8M | 11.9M |
| GOLDMAN SACHS GROUP INC | 39.7M | 11.0M |
| RENAISSANCE TECHNOLOGIES LLC | 39.5M | 10.9M |
| BlackRock, Inc. | 39.2M | 10.9M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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