GGB Institutional Ownership
Who owns Gerdau S.A. and what the big funds did with it last quarter, from every SEC 13F filing. 212 funds reported holding GGB at Jun 30, 2026.
- ▲118 buying vs 79 selling
- ▲Shares held by funds +19.4%
- ▲Funds holding +18
- ▲Superinvestors: 4 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 212 | 194 | +9.3% |
| In funds' top 10 | 4 | 3 | +33.3% |
| 13F shares | 366M | 306M | +19.4% |
| Held by funds | – | – | – |
| New positions | 45 | 32 | +40.6% |
| Increased | 73 | 73 | 0.0% |
| Reduced | 52 | 48 | +8.3% |
| Sold out | 27 | 21 | +28.6% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in GGB
All superinvestors →
Who owns GGB
share of fund held shares- Index and passive funds10.4%
- Active managers and hedge funds76.6%
- Banks and brokers12.0%
- Pensions, insurers and other1.0%
The top 10 holders own 58.6% of all GGB shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
46 funds changed their position- Ninety One UK LtdNew+30.8M sh
- Ninety One North America, Inc.New+8.2M sh
- Assenagon Asset Management S.A.Trimmed−3.6M sh
- Kapitalo Investimentos LtdaTrimmed−1.4M sh
- Mackenzie Financial CorpAdded+1.3M sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Acadian Asset Management LLC | – | 48.7M | $197M | +35.6M |
| 2 | Capital World Investors | – | 26.9M | $109M | −628K |
| 3 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | – | 25.7M | $104M | +23.9M |
| 4 | Contrarian Capital Management, L.l.c. | – | 19.1M | $77M | 0 |
| 5 | BlackRock, Inc. | – | 18.2M | $73.6M | +7.4M |
| 6 | Donald Smith & Co., Inc. | – | 17.5M | $70.7M | −6.6M |
| 7 | Aquamarine Financial (Cayman) Ltd | – | 16.7M | $67.6M | 0 |
| 8 | Two Sigma Investments, LP | – | 15.4M | $62.1M | −10.5M |
| 9 | Mackenzie Financial Corp | – | 14.6M | $59.1M | +6.9M |
| 10 | Dimensional Fund Advisors LP | – | 11.4M | $46.1M | −482K |
- Acadian Asset Management LLC+35.6M sh+$144M
- UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME+23.9M sh+$96.7M
- Fmr LLC+10.4M sh+$41.9M
- Sei Investments Co+8.1M sh+$32.9M
- Assenagon Asset Management S.A.+8.1M sh+$32.6M
- BlackRock, Inc.+7.4M sh+$29.8M
- Mackenzie Financial Corp+6.9M sh+$27.7M
- Millennium Management LLC+4M sh+$16.3M
- Bank of America Corp /de/−13M sh−$52.7M
- Two Sigma Investments, LP−10.5M sh−$42.2M
- Jane Street Group, LLC−7.9M sh−$32M
- Goldman Sachs Group Inc−6.7M sh−$26.9M
- Donald Smith & Co., Inc.−6.6M sh−$26.9M
- D. E. Shaw & Co., Inc.−5.4M sh−$21.9M
- Renaissance Technologies LLC−4M sh−$16.3M
- SPX Gestao de Recursos Ltda−4.3M sh−$15.4M
GGB institutional ownership FAQ
Who owns the most GGB stock?
In Q2 2026 13F filings the largest holder of GGB was Acadian Asset Management LLC, followed by Capital World Investors and UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME. Index fund managers are usually the biggest holders of large companies.
What percentage of GGB is owned by institutions?
212 funds reported holding 366M GGB shares at Jun 30, 2026.
Are hedge funds buying GGB?
In Q2 2026, 118 funds bought GGB (45 of them new positions) and 79 sold (27 sold out completely). Among well known investors, 4 added and 1 cut. Our fund sentiment for GGB is strongly bullish.
What is GGB's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this GGB ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.