Calamos Advisors LLC: AMAT position timeline

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

Calamos Advisors LLC held 378,314 AMAT 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 378,314 shares
Change vs previous 13F +1,705 shares
0.89% of the 13F portfolio, value $273,521,119.
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: 303,395 shares
- Calamos Wealth Management LLC: 74,919 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 376,609 shares
Change vs previous 13F +67,669 shares
0.45% of the 13F portfolio, value $128,721,262.
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: 307,090 shares
- Calamos Wealth Management LLC: 69,519 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 308,940 shares
Change vs previous 13F +117,941 shares
0.29% of the 13F portfolio, value $79,394,537.
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: 216,746 shares
- Calamos Wealth Management LLC: 92,194 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 190,999 shares
Change vs previous 13F +789 shares
0.14% of the 13F portfolio, value $39,105,135.
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: 161,158 shares
- Calamos Wealth Management LLC: 29,841 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 190,210 shares
Change vs previous 13F -52,971 shares
0.14% of the 13F portfolio, value $34,821,745.
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: 161,072 shares
- Calamos Wealth Management LLC: 29,138 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 243,181 shares
Change vs previous 13F +1,934 shares
0.15% of the 13F portfolio, value $35,290,427.
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: 214,641 shares
- Calamos Wealth Management LLC: 28,540 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 241,247 shares
Change vs previous 13F +1,286 shares
0.17% of the 13F portfolio, value $39,234,000.
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: 212,971 shares
- Calamos Wealth Management LLC: 28,276 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 239,961 shares
Change vs previous 13F not available
0.21% of the 13F portfolio, value $48,484,121.
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: 212,971 shares
- Calamos Wealth Management LLC: 26,990 shares
Acceptance time not in the bulk data set (spec §4.2).