GAMCO Investors (Gabelli): MSFT position timeline

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

GAMCO Investors (Gabelli) held 595,108 MSFT 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 595,108 shares
Change vs previous 13F -32,838 shares
0.81% of the 13F portfolio, value $221,987,186.
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: 106,101 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 3,710 shares
- GABELLI FUNDS LLC: 485,297 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 627,946 shares
Change vs previous 13F -24,655 shares
0.91% of the 13F portfolio, value $232,446,933.
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: 130,045 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 3,510 shares
- GABELLI FUNDS LLC: 494,391 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 652,601 shares
Change vs previous 13F +5,384 shares
1.22% of the 13F portfolio, value $315,611,107.
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: 122,288 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 2,710 shares
- GABELLI FUNDS LLC: 527,603 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 647,217 shares
Change vs previous 13F -3,998 shares
1.3% of the 13F portfolio, value $335,226,273.
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: 120,501 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 2,710 shares
- GABELLI FUNDS LLC: 524,006 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 651,215 shares
Change vs previous 13F +2,552 shares
1.3% of the 13F portfolio, value $323,921,071.
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: 121,744 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 2,720 shares
- GABELLI FUNDS LLC: 526,751 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 648,663 shares
Change vs previous 13F -10,286 shares
1.06% of the 13F portfolio, value $243,501,604.
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: 116,893 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 2,720 shares
- GABELLI FUNDS LLC: 529,050 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 658,949 shares
Change vs previous 13F -3,351 shares
1.18% of the 13F portfolio, value $277,747,004.
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: 126,565 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 2,100 shares
- GABELLI FUNDS LLC: 530,284 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 662,300 shares
Change vs previous 13F not available
1.21% of the 13F portfolio, value $284,987,691.
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: 129,915 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 0 shares
- GABELLI FUNDS LLC: 532,385 shares
Acceptance time not in the bulk data set (spec §4.2).