MARSHALL WACE, LLP: RBRK position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MARSHALL WACE, LLP on RBRK, newest first. How the timeline and the estimate are built.
MARSHALL WACE, LLP held 42,031 RBRK shares at 2026-06-30 per its 13F-HR filed 2026-08-13.
the latest 13F is the newest step
- period ended2026-06-3013F 42,031 sharesChange vs previous 13F -321,000 shares
<0.01% of the 13F portfolio, value $3,374,248.
13F-HR 0001318757-26-000010 filed by MARSHALL WACE, LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 363,031 sharesChange vs previous 13F -80,673 shares
0.02% of the 13F portfolio, value $17,777,628.
13F-HR 0001318757-26-000005 filed by MARSHALL WACE, LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 443,704 sharesChange vs previous 13F +40,687 shares
0.03% of the 13F portfolio, value $33,934,482.
13F-HR 0001318757-26-000003 filed by MARSHALL WACE, LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 403,017 sharesChange vs previous 13F +92,820 shares
0.04% of the 13F portfolio, value $33,148,150.
13F-HR 0001318757-25-000046 filed by MARSHALL WACE, LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 310,197 sharesChange vs previous 13F -33,419 shares
0.03% of the 13F portfolio, value $27,790,549.
13F-HR 0001318757-25-000034 filed by MARSHALL WACE, LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 343,616 sharesChange vs previous 13F +320,917 shares
0.03% of the 13F portfolio, value $20,953,703.
13F-HR 0001318757-25-000023 filed by MARSHALL WACE, LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 22,699 sharesChange vs previous 13F -85,133 shares
<0.01% of the 13F portfolio, value $1,483,608.
13F-HR 0002048047-25-000005 filed by MARSHALL WACE, LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 107,832 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $3,466,798.
13F-HR 0001318757-24-000018 filed by MARSHALL WACE, LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).