MARSHALL WACE, LLP: CBK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MARSHALL WACE, LLP on CBK, newest first. How the timeline and the estimate are built.

MARSHALL WACE, LLP held 22,140 CBK shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

period ended2026-06-30
13F 22,140 shares
Change vs previous 13F not available
<0.01% of the 13F portfolio, value $714,901.
13F-HR 0001318757-26-000010 filed by MARSHALL WACE, LLP
Filed 2026-08-13 (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).