Calamos Advisors LLC: ATRO position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Calamos Advisors LLC on ATRO, newest first. How the timeline and the estimate are built.
Calamos Advisors LLC held 8,229 ATRO shares at 2026-06-30 per its 13F-HR filed 2026-07-31.
the latest 13F is the newest step
- period ended2026-06-3013F 8,229 sharesChange vs previous 13F -13,285 shares
<0.01% of the 13F portfolio, value $668,689.
13F-HR 0001316507-26-000003 filed by Calamos Advisors LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 21,514 sharesChange vs previous 13F +1,794 shares
0.01% of the 13F portfolio, value $1,435,630.
13F-HR 0001316507-26-000002 filed by Calamos Advisors LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 19,720 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $1,069,613.
13F-HR 0001316507-26-000001 filed by Calamos Advisors LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).