Tower Research Capital LLC (TRC): ATCH position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Tower Research Capital LLC (TRC) on ATCH, newest first. How the timeline and the estimate are built.

Tower Research Capital LLC (TRC) held 44,888 ATCH shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

period ended2026-06-30
13F 44,888 shares
Change vs previous 13F +25,986 shares
<0.01% of the 13F portfolio, value $8,834.
13F-HR 0001533421-26-000008 filed by Tower Research Capital LLC (TRC)
Filed 2026-08-11 (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 18,902 shares
Change vs previous 13F not available
<0.01% of the 13F portfolio, value $3,758.
13F-HR 0001533421-26-000006 filed by Tower Research Capital LLC (TRC)
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).