Calamos Advisors LLC: MCK position timeline

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

Calamos Advisors LLC held 35,335 MCK 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 35,335 shares
Change vs previous 13F -19,185 shares
0.09% of the 13F portfolio, value $26,699,126.
13F-HR 0001316507-26-000003 filed by Calamos Advisors LLC
Filed 2026-07-31 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
- Calamos Advisors LLC: 29,989 shares
- Calamos Wealth Management LLC: 5,346 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 54,520 shares
Change vs previous 13F +18,424 shares
0.16% of the 13F portfolio, value $47,179,427.
13F-HR 0001316507-26-000002 filed by Calamos Advisors LLC
Filed 2026-05-04 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
- Calamos Advisors LLC: 48,933 shares
- Calamos Wealth Management LLC: 5,587 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 36,096 shares
Change vs previous 13F -1,070 shares
0.11% of the 13F portfolio, value $29,609,188.
13F-HR 0001316507-26-000001 filed by Calamos Advisors LLC
Filed 2026-01-29 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC
- Calamos Advisors LLC: 30,545 shares
- Calamos Wealth Management LLC: 5,551 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 37,166 shares
Change vs previous 13F +28 shares
0.1% of the 13F portfolio, value $28,712,221.
13F-HR 0001316507-25-000003 filed by Calamos Advisors LLC
Filed 2025-10-20 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC
- Calamos Advisors LLC: 31,782 shares
- Calamos Wealth Management LLC: 5,384 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 37,138 shares
Change vs previous 13F +21 shares
0.11% of the 13F portfolio, value $27,213,984.
13F-HR 0001085146-25-004696 filed by Calamos Advisors LLC
Filed 2025-08-08 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC
- Calamos Advisors LLC: 31,782 shares
- Calamos Wealth Management LLC: 5,356 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 37,117 shares
Change vs previous 13F +1,071 shares
0.11% of the 13F portfolio, value $24,979,370.
13F-HR 0001085146-25-002415 filed by Calamos Advisors LLC
Filed 2025-04-29 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC
- Calamos Advisors LLC: 31,782 shares
- Calamos Wealth Management LLC: 5,335 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 36,046 shares
Change vs previous 13F +20 shares
0.09% of the 13F portfolio, value $20,542,976.
13F-HR 0001085146-25-000482 filed by Calamos Advisors LLC
Filed 2025-01-24 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC
- Calamos Advisors LLC: 31,369 shares
- Calamos Wealth Management LLC: 4,677 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 36,026 shares
Change vs previous 13F not available
0.08% of the 13F portfolio, value $17,811,975.
13F-HR 0001085146-24-005402 filed by Calamos Advisors LLC
Filed 2024-11-07 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
- Calamos Advisors LLC: 31,369 shares
- Calamos Wealth Management LLC: 4,657 shares
Acceptance time not in the bulk data set (spec §4.2).