GGB Gerdau S.A.
Gerdau S.A. (GGB) Institutional Ownership
What the institutions did with GGB last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| ACADIAN ASSET MANAGEMENT LLC | 48.7M | 13.3% |
| Capital World Investors | 26.9M | 7.4% |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 25.7M | 7.0% |
| CONTRARIAN CAPITAL MANAGEMENT, L.L.C. | 19.1M | 5.2% |
| BlackRock, Inc. | 18.2M | 5.0% |
| DONALD SMITH & CO., INC. | 17.5M | 4.8% |
| Aquamarine Financial (Cayman) Ltd | 16.7M | 4.6% |
| TWO SIGMA INVESTMENTS, LP | 15.4M | 4.2% |
| MACKENZIE FINANCIAL CORP | 14.6M | 4.0% |
| DIMENSIONAL FUND ADVISORS LP | 11.4M | 3.1% |
| FMR LLC | 10.4M | 2.8% |
| SEI INVESTMENTS CO | 9.2M | 2.5% |
| Itau Unibanco Holding S.A. | 8.5M | 2.3% |
| Assenagon Asset Management S.A. | 8.1M | 2.2% |
| AMERICAN CENTURY COMPANIES INC | 7.2M | 2.0% |
| CAUSEWAY CAPITAL MANAGEMENT LLC | 7.2M | 2.0% |
| Engineers Gate Manager LP | 7.0M | 1.9% |
| RENAISSANCE TECHNOLOGIES LLC | 6.9M | 1.9% |
| MILLENNIUM MANAGEMENT LLC | 6.8M | 1.9% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 5.4M | 1.5% |
| Russell Investments Group, Ltd. | 5.2M | 1.4% |
| GOLDMAN SACHS GROUP INC | 4.3M | 1.2% |
| MORGAN STANLEY | 3.8M | 1.0% |
| STATE STREET CORP | 3.6M | 1.0% |
| D. E. Shaw & Co., Inc. | 3.3M | 0.9% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| ACADIAN ASSET MANAGEMENT LLC | Increased | 13.0M | 48.7M | +35.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Increased | 1.8M | 25.7M | +23.9M |
| BANK OF AMERICA CORP /DE/ | Reduced | 13.2M | 183.9K | -13.0M |
| TWO SIGMA INVESTMENTS, LP | Reduced | 25.8M | 15.4M | -10.5M |
| FMR LLC | Increased | 11.0K | 10.4M | +10.4M |
| SEI INVESTMENTS CO | Increased | 1.1M | 9.2M | +8.1M |
| Assenagon Asset Management S.A. | New | 0 | 8.1M | +8.1M |
| JANE STREET GROUP, LLC | Reduced | 7.9M | 16.4K | -7.9M |
| BlackRock, Inc. | Increased | 10.9M | 18.2M | +7.4M |
| MACKENZIE FINANCIAL CORP | Increased | 7.8M | 14.6M | +6.9M |
| GOLDMAN SACHS GROUP INC | Reduced | 11.0M | 4.3M | -6.7M |
| DONALD SMITH & CO., INC. | Reduced | 24.1M | 17.5M | -6.6M |
| D. E. Shaw & Co., Inc. | Reduced | 8.7M | 3.3M | -5.4M |
| SPX Gestao de Recursos Ltda | Sold Out | 4.3M | 0 | -4.3M |
| MILLENNIUM MANAGEMENT LLC | Increased | 2.8M | 6.8M | +4.0M |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 10.9M | 6.9M | -4.0M |
| Engineers Gate Manager LP | Increased | 3.1M | 7.0M | +3.9M |
| MORGAN STANLEY | Reduced | 7.5M | 3.8M | -3.7M |
| Qube Research & Technologies Ltd | Reduced | 4.1M | 1.3M | -2.8M |
| Russell Investments Group, Ltd. | Increased | 2.7M | 5.2M | +2.5M |
| Itau Unibanco Holding S.A. | Increased | 6.2M | 8.5M | +2.3M |
| DYNAMO INTERNACIONAL GESTAO DE RECURSOS LTDA. | New | 0 | 2.1M | +2.1M |
| CITIGROUP INC | Increased | 925.4K | 2.9M | +2.0M |
| BW Gestao de Investimentos Ltda. | New | 0 | 1.8M | +1.8M |
| SCHRODER INVESTMENT MANAGEMENT GROUP | Increased | 10.6K | 1.7M | +1.7M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | New | 0 | 1.5M | +1.5M |
| Connor, Clark & Lunn Investment Management Ltd. | Increased | 74.8K | 1.6M | +1.5M |
| Aquatic Capital Management LLC | Reduced | 1.4M | 104.4K | -1.3M |
| Kapitalo Investimentos Ltda | Reduced | 2.7M | 1.4M | -1.3M |
| NEW YORK STATE COMMON RETIREMENT FUND | Increased | 1.1M | 2.3M | +1.2M |
| UBS Group AG | Reduced | 2.2M | 1.1M | -1.1M |
| Optiver Holding B.V. | Reduced | 1.2M | 156.0K | -1.0M |
| MARSHALL WACE, LLP | Increased | 586.6K | 1.6M | +993.1K |
| DEUTSCHE BANK AG\ | Sold Out | 699.3K | 0 | -699.3K |
| BNP PARIBAS FINANCIAL MARKETS | Increased | 181.3K | 857.0K | +675.7K |
| Capital World Investors | Reduced | 27.5M | 26.9M | -627.8K |
| Employees Retirement System of Texas | New | 0 | 623.7K | +623.7K |
| AMERICAN CENTURY COMPANIES INC | Increased | 6.6M | 7.2M | +588.9K |
| JPMORGAN CHASE & CO | Increased | 243.5K | 830.4K | +586.8K |
| Jump Financial, LLC | Sold Out | 567.8K | 0 | -567.8K |
| B. Metzler seel. Sohn & Co. AG | New | 0 | 522.1K | +522.1K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Increased | 2.1M | 2.6M | +517.9K |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | New | 0 | 498.3K | +498.3K |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 11.9M | 11.4M | -481.6K |
| CITADEL ADVISORS LLC | Increased | 99.6K | 539.6K | +440.0K |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 2.0M | 1.6M | -422.8K |
| CAUSEWAY CAPITAL MANAGEMENT LLC | Increased | 6.8M | 7.2M | +388.4K |
| AQR CAPITAL MANAGEMENT LLC | Reduced | 1.1M | 758.1K | -342.4K |
| CI INVESTMENTS INC. | Sold Out | 341.3K | 0 | -341.3K |
| Man Group plc | Increased | 1.5M | 1.8M | +298.4K |
| Bridgewater Associates, LP | Increased | 48.2K | 271.7K | +223.5K |
| Hartree Partners, LP | Sold Out | 210.0K | 0 | -210.0K |
| Quantbot Technologies LP | Reduced | 466.7K | 258.4K | -208.4K |
| Creative Planning | Increased | 605.9K | 809.5K | +203.6K |
| Grantham, Mayo, Van Otterloo & Co. LLC | Reduced | 1.6M | 1.4M | -195.7K |
| Diversified Trust Co | Increased | 105.2K | 289.3K | +184.1K |
| Squarepoint Ops LLC | Reduced | 317.3K | 157.5K | -159.8K |
| NEUBERGER BERMAN GROUP LLC | Increased | 241.2K | 395.7K | +154.5K |
| Schonfeld Strategic Advisors LLC | Increased | 180.4K | 323.2K | +142.8K |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Increased | 5.2M | 5.4M | +140.3K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.