KORNITZER CAPITAL MANAGEMENT INC /KS: ATEC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of KORNITZER CAPITAL MANAGEMENT INC /KS on ATEC, newest first. How the timeline and the estimate are built.

KORNITZER CAPITAL MANAGEMENT INC /KS held 140,000 ATEC shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

period ended2026-06-30
13F 140,000 shares
Change vs previous 13F +40,000 shares
0.03% of the 13F portfolio, value $1,211,000.
13F-HR 0000898358-26-000007 filed by KORNITZER CAPITAL MANAGEMENT INC /KS
Filed 2026-07-31 (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 100,000 shares
Change vs previous 13F not available
0.02% of the 13F portfolio, value $1,088,000.
13F-HR 0000898358-26-000005 filed by KORNITZER CAPITAL MANAGEMENT INC /KS
Filed 2026-04-30 (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).