Stock Ownership/GGB

GERDAU SA (GGB): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in GGB · Materials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
19
13F filers
Aggregate Value
$174.6M
Across holders
Last Price
$4.33
2026-08-24
Sector
Materials
GICS
Quarterly fund activity10 increased8 reduced2 exited
Full exits: CAXTON ASSOCIATES LLP, Magnetar Financial LLC
Institutional Holders of GGB
↗
19 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund15.38M$62.1M35.6%0.0%Reduced$-42.2MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund6.90M$27.9M16.0%0.0%Reduced$-16.3MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund6.82M$27.5M15.8%0.0%Added+$16.3MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund3.31M$13.4M7.7%0.0%Reduced$-21.9MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund1.81M$7.3M4.2%0.0%Added+$1.2MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund1.58M$6.4M3.7%0.0%Added+$6.2MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund1.49M$6.0M3.5%0.0%Added—Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLC
CIK 0001352662
Institutional Manager1.38M$5.6M3.2%0.0%Reduced$-791KQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund1.30M$5.3M3.0%0.0%Reduced$-11.2MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund898K$3.6M2.1%0.0%Added+$69KQ2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$62.1M· 35.6% of total· 0.0% port· 15.38M sh· $-42.2M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$27.9M· 16.0% of total· 0.0% port· 6.90M sh· $-16.3M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$27.5M· 15.8% of total· 0.0% port· 6.82M sh· +$16.3M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$13.4M· 7.7% of total· 0.0% port· 3.31M sh· $-21.9M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$7.3M· 4.2% of total· 0.0% port· 1.81M sh· +$1.2M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$6.4M· 3.7% of total· 0.0% port· 1.58M sh· +$6.2M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$6.0M· 3.5% of total· 0.0% port· 1.49M sh· — QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCReduced
Institutional Manager
$5.6M· 3.2% of total· 0.0% port· 1.38M sh· $-791K QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$5.3M· 3.0% of total· 0.0% port· 1.30M sh· $-11.2M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$3.6M· 2.1% of total· 0.0% port· 898K sh· +$69K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$3.1M· 1.8% of total· 0.0% port· 758K sh· $-1.4M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$2.2M· 1.2% of total· 0.0% port· 540K sh· +$1.8M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$1.3M· 0.7% of total· 0.0% port· 323K sh· +$577K QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$1.1M· 0.6% of total· 0.0% port· 272K sh· +$903K QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$1.0M· 0.6% of total· 0.0% port· 254K sh· $-290K QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$636K· 0.4% of total· 0.0% port· 157K sh· $-645K QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$169K· 0.1% of total· 0.0% port· 42K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$27K· 0.0% of total· 0.0% port· 7K sh· +$13K QoQ· Q2 2026
Ancora Advisors, LLCUnchanged
Hedge Fund
$1K· 0.0% of total· 0.0% port· 346 sh· +$0 QoQ· Q2 2026
1–10 of 19
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