CASTLEARK MANAGEMENT LLC: DOCN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CASTLEARK MANAGEMENT LLC on DOCN, newest first. How the timeline and the estimate are built.

CASTLEARK MANAGEMENT LLC held 35,537 DOCN 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 35,537 shares
Change vs previous 13F -146,712 shares
0.15% of the 13F portfolio, value $5,580,375.
13F-HR 0001106832-26-000004 filed by CASTLEARK MANAGEMENT LLC
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 182,249 shares
Change vs previous 13F -2,740 shares
0.52% of the 13F portfolio, value $15,633,319.
13F-HR 0001106832-26-000003 filed by CASTLEARK MANAGEMENT LLC
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).
period ended2025-12-31
13F 184,989 shares
Change vs previous 13F +184,989 shares
0.26% of the 13F portfolio, value $8,901,671.
13F-HR 0001106832-26-000001 filed by CASTLEARK MANAGEMENT LLC
Filed 2026-02-13 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 0 shares
Change vs previous 13F -85,340 shares
13F-HR 0001106832-25-000006 filed by CASTLEARK MANAGEMENT LLC
Filed 2025-08-18 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2025-03-31
13F 85,340 shares
Change vs previous 13F not available
0.1% of the 13F portfolio, value $2,849,503.
13F-HR 0001106832-25-000004 filed by CASTLEARK MANAGEMENT LLC
Filed 2025-05-15 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC
Acceptance time not in the bulk data set (spec §4.2).