GAMCO Investors (Gabelli): TSM position timeline

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

GAMCO Investors (Gabelli) held 25,470 TSM 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 25,470 shares
Change vs previous 13F -450 shares
0.04% of the 13F portfolio, value $12,163,708.
13F-HR 0001140361-26-032509 filed by GABELLI FUNDS LLC
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: 3,710 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 2,000 shares
- GABELLI FUNDS LLC: 19,760 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 25,920 shares
Change vs previous 13F +820 shares
0.03% of the 13F portfolio, value $8,759,664.
13F-HR 0001140361-26-021337 filed by GABELLI FUNDS LLC
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: 4,160 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 2,000 shares
- GABELLI FUNDS LLC: 19,760 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 25,100 shares
Change vs previous 13F +2,930 shares
0.03% of the 13F portfolio, value $7,627,639.
13F-HR 0001140361-26-003893 filed by GABELLI FUNDS LLC
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: 3,160 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 2,000 shares
- GABELLI FUNDS LLC: 19,940 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 22,170 shares
Change vs previous 13F -1,555 shares
0.02% of the 13F portfolio, value $6,191,859.
13F-HR 0001140361-25-041671 filed by GABELLI FUNDS LLC
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: 2,910 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 2,000 shares
- GABELLI FUNDS LLC: 17,260 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 23,725 shares
Change vs previous 13F +4,655 shares
0.02% of the 13F portfolio, value $5,373,476.
13F-HR 0001140361-25-030816 filed by GABELLI FUNDS LLC
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: 3,095 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 2,000 shares
- GABELLI FUNDS LLC: 18,630 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 19,070 shares
Change vs previous 13F -1,570 shares
0.02% of the 13F portfolio, value $3,165,620.
13F-HR 0001140361-25-018974 filed by GABELLI FUNDS LLC
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: 0 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 1,500 shares
- GABELLI FUNDS LLC: 17,570 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 20,640 shares
Change vs previous 13F +2,000 shares
0.02% of the 13F portfolio, value $4,076,193.
13F-HR 0001140361-25-004328 filed by GABELLI FUNDS LLC
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: 4,870 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 1,500 shares
- GABELLI FUNDS LLC: 14,270 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 18,640 shares
Change vs previous 13F not available
0.01% of the 13F portfolio, value $3,237,209.
13F-HR 0001140361-24-046503 filed by GABELLI FUNDS LLC
Filed 2024-11-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
- GAMCO INVESTORS, INC. ET AL: 2,870 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 1,500 shares
- GABELLI FUNDS LLC: 14,270 shares
Acceptance time not in the bulk data set (spec §4.2).