Guinness Atkinson Asset Management Inc: DOC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Guinness Atkinson Asset Management Inc on DOC, newest first. How the timeline and the estimate are built.

Guinness Atkinson Asset Management Inc held 0 DOC shares at 2026-03-31 per its 13F-HR filed 2026-04-21.

the latest 13F is the newest step

period ended2026-03-31
13F 0 shares
Change vs previous 13F -601 shares
13F-HR 0001409765-26-000005 filed by Guinness Atkinson Asset Management Inc
Filed 2026-04-21 (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).
Exited: the 13F for this period no longer lists the position.
period ended2025-12-31
13F/A 601 shares
Change vs previous 13F not available
<0.01% of the 13F portfolio, value $9,652.
13F-HR/A 0001409765-26-000003 filed by Guinness Atkinson Asset Management Inc
Filed 2026-02-10 (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).