Calamos Advisors LLC: DHR position timeline

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

Calamos Advisors LLC held 283,806 DHR 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 283,806 shares
Change vs previous 13F -70,050 shares
0.18% of the 13F portfolio, value $54,059,413.
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: 220,671 shares
- Calamos Wealth Management LLC: 63,135 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 353,856 shares
Change vs previous 13F +23,116 shares
0.23% of the 13F portfolio, value $67,091,184.
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: 288,363 shares
- Calamos Wealth Management LLC: 65,493 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 330,740 shares
Change vs previous 13F +21,598 shares
0.28% of the 13F portfolio, value $75,713,077.
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: 243,698 shares
- Calamos Wealth Management LLC: 87,042 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 309,142 shares
Change vs previous 13F -11,275 shares
0.22% of the 13F portfolio, value $61,290,537.
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: 223,518 shares
- Calamos Wealth Management LLC: 85,624 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 320,417 shares
Change vs previous 13F +45,611 shares
0.25% of the 13F portfolio, value $63,295,199.
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: 259,681 shares
- Calamos Wealth Management LLC: 60,736 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 274,806 shares
Change vs previous 13F +12,551 shares
0.24% of the 13F portfolio, value $56,335,243.
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: 203,473 shares
- Calamos Wealth Management LLC: 71,333 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 262,255 shares
Change vs previous 13F +59,466 shares
0.25% of the 13F portfolio, value $60,200,636.
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: 201,330 shares
- Calamos Wealth Management LLC: 60,925 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 202,789 shares
Change vs previous 13F not available
0.24% of the 13F portfolio, value $56,379,398.
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: 199,300 shares
- Calamos Wealth Management LLC: 3,489 shares
Acceptance time not in the bulk data set (spec §4.2).