GAMCO Investors (Gabelli): AD position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMCO Investors (Gabelli) on AD, newest first. How the timeline and the estimate are built.

GAMCO Investors (Gabelli) held 1,370,412 AD shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

period ended2026-06-30
13F 1,370,412 shares
Change vs previous 13F -16,100 shares
0.19% of the 13F portfolio, value $49,691,139.
13F-HR 0001140361-26-032508 filed by GAMCO INVESTORS, INC. ET AL
Filed 2026-08-12 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
- GAMCO INVESTORS, INC. ET AL: 825,262 shares
- GABELLI FUNDS LLC: 545,150 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 1,386,512 shares
Change vs previous 13F -130,999 shares
0.26% of the 13F portfolio, value $63,973,664.
13F-HR 0001140361-26-021334 filed by GAMCO INVESTORS, INC. ET AL
Filed 2026-05-14 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
- GAMCO INVESTORS, INC. ET AL: 844,562 shares
- GABELLI FUNDS LLC: 541,950 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 1,517,511 shares
Change vs previous 13F -91,655 shares
0.32% of the 13F portfolio, value $81,368,940.
13F-HR 0001140361-26-003895 filed by GAMCO INVESTORS, INC. ET AL
Filed 2026-02-05 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC
- GAMCO INVESTORS, INC. ET AL: 964,561 shares
- GABELLI FUNDS LLC: 552,950 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 1,609,166 shares
Change vs previous 13F -489,577 shares
0.32% of the 13F portfolio, value $80,474,392.
13F-HR 0001140361-25-041670 filed by GAMCO INVESTORS, INC. ET AL
Filed 2025-11-12 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC
- GAMCO INVESTORS, INC. ET AL: 1,049,166 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 0 shares
- GABELLI FUNDS LLC: 560,000 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 2,098,743 shares
Change vs previous 13F -28,640 shares
0.54% of the 13F portfolio, value $134,256,589.
13F-HR 0001140361-25-030814 filed by GAMCO INVESTORS, INC. ET AL
Filed 2025-08-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC
- GAMCO INVESTORS, INC. ET AL: 1,308,821 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 85,600 shares
- GABELLI FUNDS LLC: 704,322 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 2,127,383 shares
Change vs previous 13F +40,819 shares
0.64% of the 13F portfolio, value $147,108,535.
13F-HR 0001140361-25-018975 filed by GAMCO INVESTORS, INC. ET AL
Filed 2025-05-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC
- GAMCO INVESTORS, INC. ET AL: 1,324,781 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 75,950 shares
- GABELLI FUNDS LLC: 726,652 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 2,086,564 shares
Change vs previous 13F -34,008 shares
0.56% of the 13F portfolio, value $130,869,294.
13F-HR 0001140361-25-004330 filed by GAMCO INVESTORS, INC. ET AL
Filed 2025-02-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC
- GAMCO INVESTORS, INC. ET AL: 1,331,065 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 46,350 shares
- GABELLI FUNDS LLC: 709,149 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 2,120,572 shares
Change vs previous 13F not available
0.48% of the 13F portfolio, value $115,889,260.
13F-HR 0001140361-24-046738 filed by GAMCO INVESTORS, INC. ET AL
Filed 2024-11-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
- GAMCO INVESTORS, INC. ET AL: 1,369,214 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 44,750 shares
- GABELLI FUNDS LLC: 706,608 shares
Acceptance time not in the bulk data set (spec §4.2).