Gerdau S.A.
GGB- Exchange
- NYSE
- Industry
- Steel Works, Blast Furnaces & Rolling & Finishing Mills
- SEC CIK
- 0001073404
In the last 90 days, Gerdau S.A. insiders filed 0 open-market purchases and 5 sales; 213 institutions reported holding it in 13F filings for Q2 2026, worth $1.48B in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $1.28M in total
- 5
- 13F holdersQ2 2026, +21 vs. previous quarter
- 213
- 13F valueReported value at the end of Q2 2026
- $1.46B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding GGB, Q2 2026
No superinvestor reported holding GGB at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Gerdau S.A. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 25, 2026 (view filing)4:32 PM ET | Sep 23 | 2 days | Johannpeter ClaudioOther: Vice-Chairman of Board | SSalePreferred shares | −85.6K | $4.94 | −$422.9K | −100.0%0 after | |
| Sep 21, 2026 (view filing)4:30 PM ET | Sep 17 | 4 days | Lopes Rafael GamboaOther: Executive Vice President | SSalePreferred shares | −51.8K | $5.09 | −$263.7K | −38.3%83.4K after | |
| Aug 14, 2026 (view filing)8:55 AM ET | Jun 8 | 67 daysLate | Mattiello Marcos ZillesOther: Senior Management | SSalePreferred shares | −10.4K | $5.11 | −$53.1K | −100.0%0 after | |
| Aug 12, 2026 (view filing)4:46 PM ET | Aug 10 | 2 days | Johannpeter Andre Bier GerdauOther: Chairman of Board of Directors | SSalePreferred shares | −99.2K | $4.94 | −$490.0K | −28.6%247.4K after | |
| Aug 10, 2026 (view filing)4:16 PM ET | Aug 6 | 4 days | Japur Rafael DornelesOther: VP, CFO and IR Officer | SSalePreferred shares | −10.0K | $5.10 | −$51.0K | −10.3%87.0K after | |
| Jun 15, 2026 (view filing) | Jun 12 | 3 days | Da Cunha Gustavo WerneckCEO and Board Member | PPurchasePreferred shares | +165.2K | $4.73 | +$781.5K | New position165.2K after | |
| Jun 3, 2026 (view filing) | Jun 2 | 1 day | Metz MauricioOther: Executive Vice President | SSalePreferred shares | −7.00K | $4.85 | −$34.0K | −23.7%22.5K after | |
| Jun 3, 2026 (view filing) | Jun 2 | 1 day | Wang Chia YuanOther: Senior Management | SSalePreferred shares | −30.9K | $4.49 | −$138.9K | −100.0%0 after | |
| May 28, 2026 (view filing) | May 26 | 2 days | Metz MauricioOther: Executive Vice President | SSalePreferred shares | −5.00K | $4.70 | −$23.5K | −14.5%29.5K after | |
| May 26, 2026 (view filing) | May 22 | 4 days | Japur Rafael DornelesOther: VP, CFO and IR Officer | SSalePreferred shares | −5.00K | $4.75 | −$23.8K | −4.9%97.0K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Gerdau S.A. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Acadian Asset Management LLC | 48,672,737 | $196.6M | 0.23% | +35,631,834+273.2% | Added |
| Capital World Investors | 26,902,473 | $108.7M | 0.01% | −627,833−2.3% | Reduced |
| UBS Asset Management Americas Inc | 25,745,217 | $104.0M | 0.02% | +23,936,662+1,323.5% | Added |
| Contrarian Capital Management, L.L.C. | 19,069,112 | $77.0M | 25.17% | 00.0% | Unchanged |
| BlackRock, Inc. | 18,225,403 | $73.6M | 0.00% | +7,372,520+67.9% | Added |
| Donald Smith & Co., Inc. | 17,490,810 | $70.7M | 1.25% | −6,649,773−27.5% | Reduced |
| Aquamarine Financial (Cayman) Ltd | 16,726,171 | $67.6M | 3.73% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 15,383,237 | $62.1M | 0.05% | −10,456,483−40.5% | Reduced |
| Mackenzie Financial Corp | 14,638,321 | $59.1M | 0.06% | +6,860,744+88.2% | Added |
| Dimensional Fund Advisors LP | 11,394,004 | $46.1M | 0.01% | −481,627−4.1% | Reduced |