GAMCO Investors (Gabelli): TMUS position timeline

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

GAMCO Investors (Gabelli) held 235,563 TMUS 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 235,563 shares
Change vs previous 13F +2,482 shares
0.14% of the 13F portfolio, value $39,510,982.
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: 58,019 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 11,500 shares
- GABELLI FUNDS LLC: 166,044 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 233,081 shares
Change vs previous 13F -7,938 shares
0.19% of the 13F portfolio, value $48,954,002.
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: 60,537 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 11,500 shares
- GABELLI FUNDS LLC: 161,044 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 241,019 shares
Change vs previous 13F +568 shares
0.19% of the 13F portfolio, value $48,936,498.
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: 68,025 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 11,500 shares
- GABELLI FUNDS LLC: 161,494 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 240,451 shares
Change vs previous 13F -30,292 shares
0.22% of the 13F portfolio, value $57,559,161.
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: 68,557 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 11,500 shares
- GABELLI FUNDS LLC: 160,394 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 270,743 shares
Change vs previous 13F -730 shares
0.26% of the 13F portfolio, value $64,507,227.
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: 72,699 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 11,500 shares
- GABELLI FUNDS LLC: 186,544 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 271,473 shares
Change vs previous 13F -51,532 shares
0.32% of the 13F portfolio, value $72,404,564.
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: 71,829 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 11,500 shares
- GABELLI FUNDS LLC: 188,144 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 323,005 shares
Change vs previous 13F -11,463 shares
0.3% of the 13F portfolio, value $71,296,893.
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: 92,551 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 11,500 shares
- GABELLI FUNDS LLC: 218,954 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 334,468 shares
Change vs previous 13F not available
0.28% of the 13F portfolio, value $69,020,816.
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: 95,614 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 11,550 shares
- GABELLI FUNDS LLC: 227,304 shares
Acceptance time not in the bulk data set (spec §4.2).