XTX Topco Ltd: IRDM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of XTX Topco Ltd on IRDM, newest first. How the timeline and the estimate are built.

XTX Topco Ltd held 100,123 IRDM shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

period ended2026-06-30
13F 100,123 shares
Change vs previous 13F +33,424 shares
0.07% of the 13F portfolio, value $5,491,747.
13F-HR 0001828301-26-000005 filed by XTX Topco Ltd
Filed 2026-08-14 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 66,699 shares
Change vs previous 13F not available
0.03% of the 13F portfolio, value $1,850,230.
13F-HR 0001828301-26-000004 filed by XTX Topco Ltd
Filed 2026-05-15 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
Acceptance time not in the bulk data set (spec §4.2).