13F Insight
DOSSIER · 13F Holders · Q1 2026BellwetherCompounder
GGB

GERDAU SA

198 institutions still hold GERDAU SA as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 373737105·198 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 4.6%
vs prior quarter
13F value held
$848M
50.0% inst. owned
of float
Holders
198
+73 QoQ
filers reporting
Activity
+48 / −94
+866 added · −784 reduced
this quarter
Concentration
11.71%
Capital World Investors #1
top holder share
AI Holders Summary · Q1 2026

198 institutions reported GGB in Q1 2026. Capital World Investors leads at 11.7% of the visible book. +73 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
Capital World Investors
CIK 0001422849
$99M27.5M0.01%Q1 202602
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$93M25.8M0.08%Q1 202603
DONALD SMITH & CO., INC.
CIK 0000814375
$87M24.1M1.57%Q1 202604
CONTRARIAN CAPITAL MANAGEMENT, L.L.C.
CIK 0001050417
$70M19.1M18.53%Q4 202505
Aquamarine Financial (Cayman) Ltd
CIK 0002104187
$60M16.7M4.42%Q1 202606
BANK OF AMERICA CORP /DE/
CIK 0000070858
$48M13.2M0.00%Q1 202607
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$43M11.9M0.01%Q1 202608
GOLDMAN SACHS GROUP INC
CIK 0000886982
$40M11.0M0.00%Q1 202609
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$39M10.9M0.06%Q1 202610
BlackRock, Inc.
CIK 0002012383
$39M10.9M0.00%Q1 202611
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$29M8.0M0.00%Q1 202612
MACKENZIE FINANCIAL CORP
CIK 0000919859
$28M7.8M0.03%Q1 202613
MORGAN STANLEY
CIK 0000895421
$27M7.5M0.00%Q1 202614
CAUSEWAY CAPITAL MANAGEMENT LLC
CIK 0001165797
$25M6.8M0.30%Q1 202615
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$24M6.6M0.01%Q1 202616
CITADEL ADVISORS LLC
CIK 0001423053
$22M6.1M0.00%Q4 202517
Itau Unibanco Holding S.A.
CIK 0001132597
$22M6.2M0.51%Q1 202618
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 0000912938
$19M5.2M0.01%Q1 202619
SPX Gestao de Recursos Ltda
CIK 0001589176
$18M4.9M1.84%Q4 202520
Qube Research & Technologies Ltd
CIK 0001729829
$15M4.1M0.02%Q1 2026
Page 1 of 10
178 more holders available. Log in →