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13G filed by Citadel Securities GP LLC

Citadel Securities GP LLC and 6 other reporting persons reported 18,687,938 IREN shares, 4.7% of the class, as of 2026-09-23, in a 13G accepted by EDGAR 2026-09-30 21:18:26 UTC.

Accession
0001104659-26-112411
Filed
2026-09-30
Accepted by EDGAR
Ingested
Source
EDGAR daily index

Original filing

Stake

Shares
18,687,938
Percent of class
4.7%
Event date
2026-09-23

How the shares relate across the reporting persons: ambiguous: the persons may hold separate positions, so the group total can be higher. The page shows the largest row.

Read for the filer group CITADEL ADVISORS LLC.

Reporting persons

PersonTypeSole votingShared votingSole dispositiveShared dispositiveAggregatePercent
Citadel Securities GP LLCHC,OO017,863,909017,863,90917,863,9094.5%
Citadel Securities LLCBD,OO014,152,102014,152,10214,152,1023.6%
Citadel Securities Group LPHC,PN017,863,909017,863,90917,863,9094.5%
Citadel Advisors LLCIA,HC,OO0824,0290824,029824,0290.2%
Citadel Advisors Holdings LPHC,PN0824,0290824,029824,0290.2%
Citadel GP LLCHC,OO0824,0290824,029824,0290.2%
Kenneth GriffinHC,IN018,687,938018,687,93818,687,9384.7%