Calamos Advisors LLC: WDC position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Calamos Advisors LLC on WDC, newest first. How the timeline and the estimate are built.
Calamos Advisors LLC held 48,394 WDC shares at 2026-06-30 per its 13F-HR filed 2026-07-31.
the latest 13F is the newest step
- period ended2026-06-3013F 48,394 sharesChange vs previous 13F -2,640 shares
0.1% of the 13F portfolio, value $30,910,216.
13F-HR 0001316507-26-000003 filed by Calamos Advisors LLC
Filed (acceptance time not in the bulk data set), ingested- Calamos Advisors LLC: 47,719 shares
- Calamos Wealth Management LLC: 675 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 51,034 sharesChange vs previous 13F +49,763 shares
0.05% of the 13F portfolio, value $13,804,187.
13F-HR 0001316507-26-000002 filed by Calamos Advisors LLC
Filed (acceptance time not in the bulk data set), ingested- Calamos Advisors LLC: 49,820 shares
- Calamos Wealth Management LLC: 1,214 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 1,271 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $218,955.
13F-HR 0001455258-26-000001 filed by Calamos Wealth Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).