Stock Ownership/RYZ

RYERSON HLDG CORP (RYZ): Ownership & Insider Activity

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

Reported Holders
14
13F filers
Aggregate Value
$39.6M
Across holders
Last Price
$24.21
2026-08-24
Sector
—
GICS
Quarterly fund activity8 increased5 reduced2 exited
Full exits: Hudson Bay Capital Management LP, MILLENNIUM MANAGEMENT LLC
Institutional Holders of RYZ
↗
14 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund314K$7.7M19.5%0.0%Added+$1.1MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund309K$7.6M19.2%0.0%Reduced+$7.3MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund204K$5.0M12.7%0.0%Reduced+$4.2MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund157K$3.9M9.8%0.0%Reduced$-17.1MQ2 2026
Ancora Advisors, LLC
CIK 0001446114
Hedge Fund152K$3.7M9.4%0.1%Unchanged+$0Q2 2026
Man Group plc
CIK 0001637460
Hedge Fund109K$2.7M6.8%0.0%Added+$2.1MQ2 2026
Verition Fund Management LLC
CIK 0001454027
Hedge Fund102K$2.5M6.3%0.0%Added—Q2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund76K$1.9M4.7%0.0%Added+$1.9MQ2 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund62K$1.5M3.9%0.0%Added—Q2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund36K$874K2.2%0.0%Reduced$-951KQ2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$7.7M· 19.5% of total· 0.0% port· 314K sh· +$1.1M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$7.6M· 19.2% of total· 0.0% port· 309K sh· +$7.3M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$5.0M· 12.7% of total· 0.0% port· 204K sh· +$4.2M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$3.9M· 9.8% of total· 0.0% port· 157K sh· $-17.1M QoQ· Q2 2026
Ancora Advisors, LLCUnchanged
Hedge Fund
$3.7M· 9.4% of total· 0.1% port· 152K sh· +$0 QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$2.7M· 6.8% of total· 0.0% port· 109K sh· +$2.1M QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$2.5M· 6.3% of total· 0.0% port· 102K sh· — QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$1.9M· 4.7% of total· 0.0% port· 76K sh· +$1.9M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$1.5M· 3.9% of total· 0.0% port· 62K sh· — QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$874K· 2.2% of total· 0.0% port· 36K sh· $-951K QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$820K· 2.1% of total· 0.0% port· 33K sh· +$361K QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$811K· 2.0% of total· 0.0% port· 33K sh· +$516K QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$531K· 1.3% of total· 0.0% port· 22K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$36K· 0.1% of total· 0.0% port· 1K sh· $-72K QoQ· Q2 2026
1–10 of 14
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