DOSSIER · 13F Holders · Q3 2026
GGB

GERDAU SA

219 institutions still hold GERDAU SA as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 373737105·219 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$1.1B
visible holders
Holders
219
filers reporting
Concentration
12.65%
Ninety One UK Ltd #1
top holder share
AI Holders Summary · Q3 2026

219 institutions reported GGB in Q3 2026. Ninety One UK Ltd leads at 12.6% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Ninety One UK Ltd
CIK 0001418329
$145M30.8M0.32%Q3 2026
02
Capital World Investors
CIK 0001422849
$109M26.9M0.01%Q2 2026
03
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$104M25.7M0.02%Q2 2026
04
BlackRock, Inc.
CIK 0002012383
$74M18.2M0.00%Q2 2026
05
DONALD SMITH & CO., INC.
CIK 0000814375
$71M17.5M1.25%Q2 2026
06
CONTRARIAN CAPITAL MANAGEMENT, L.L.C.
CIK 0001050417
$70M19.1M18.53%Q4 2025
07
Aquamarine Financial (Cayman) Ltd
CIK 0002104187
$68M16.7M3.73%Q2 2026
08
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$62M15.4M0.04%Q2 2026
09
MACKENZIE FINANCIAL CORP
CIK 0000919859
$59M14.6M0.06%Q2 2026
10
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$47M13.0M0.07%Q1 2026
11
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$46M11.4M0.01%Q2 2026
12
FMR LLC
CIK 0000315066
$42M10.4M0.00%Q2 2026
13
Ninety One North America, Inc.
CIK 0001633343
$39M8.2M1.82%Q3 2026
14
SEI INVESTMENTS CO
CIK 0000350894
$37M9.2M0.03%Q2 2026
15
Itau Unibanco Holding S.A.
CIK 0001132597
$34M8.5M0.65%Q2 2026
16
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$29M7.2M0.01%Q2 2026
17
CAUSEWAY CAPITAL MANAGEMENT LLC
CIK 0001165797
$29M7.2M0.32%Q2 2026
18
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$29M8.0M0.00%Q1 2026
19
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$28M6.9M0.04%Q2 2026
20
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$28M6.8M0.01%Q2 2026
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Insiders at GERDAU SA
Johannpeter Claudio →Lopes Rafael Gamboa →Johannpeter Andre Bier Gerdau →Japur Rafael Dorneles →Wahrhaftig Marcos Eduardo Faraco →Da Cunha Gustavo Werneck →Mattiello Marcos Zilles →Wang Chia Yuan →