EMERALD ADVISERS, LLC: ATEC position timeline

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

EMERALD ADVISERS, LLC held 3,362,537 ATEC shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

period ended2026-06-30
13F 3,362,537 shares
Change vs previous 13F +398,404 shares
0.41% of the 13F portfolio, value $29,085,945.
13F-HR 0001104659-26-090959 filed by EMERALD ADVISERS, LLC
Filed 2026-08-05 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
- EMERALD ADVISERS, LLC: 2,104,451 shares
- EMERALD MUTUAL FUND ADVISERS TRUST: 1,258,086 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 2,964,133 shares
Change vs previous 13F +1,845,559 shares
0.62% of the 13F portfolio, value $32,249,767.
13F-HR 0001104659-26-054901 filed by EMERALD ADVISERS, LLC
Filed 2026-05-04 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
- EMERALD ADVISERS, LLC: 1,807,307 shares
- EMERALD MUTUAL FUND ADVISERS TRUST: 1,156,826 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 1,118,574 shares
Change vs previous 13F not available
0.14% of the 13F portfolio, value $6,219,271.
13F-HR 0001104659-24-112224 filed by EMERALD ADVISERS, LLC
Filed 2024-10-29 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
- EMERALD ADVISERS, LLC: 685,447 shares
- EMERALD MUTUAL FUND ADVISERS TRUST: 433,127 shares
Acceptance time not in the bulk data set (spec §4.2).