GAMCO Investors (Gabelli): MU position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMCO Investors (Gabelli) on MU, newest first. How the timeline and the estimate are built.
GAMCO Investors (Gabelli) held 50,266 MU shares at 2026-06-30 per its 13F-HR filed 2026-08-12.
the latest 13F is the newest step
- period ended2026-06-3013F 50,266 sharesChange vs previous 13F +28,766 shares
0.22% of the 13F portfolio, value $58,021,541.
13F-HR 0001140361-26-032509 filed by GABELLI FUNDS LLC
Filed (acceptance time not in the bulk data set), ingested- GAMCO INVESTORS, INC. ET AL: 8,148 shares
- GABELLI FUNDS LLC: 42,118 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 21,500 sharesChange vs previous 13F +2,000 shares
0.05% of the 13F portfolio, value $7,263,560.
13F-HR 0001140361-26-021337 filed by GABELLI FUNDS LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 19,500 sharesChange vs previous 13F -3,800 shares
0.04% of the 13F portfolio, value $5,565,495.
13F-HR 0001140361-26-003893 filed by GABELLI FUNDS LLC
Filed (acceptance time not in the bulk data set), ingested- GABELLI & Co INVESTMENT ADVISERS, INC.: 0 shares
- GABELLI FUNDS LLC: 19,500 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 23,300 sharesChange vs previous 13F -2,300 shares
0.03% of the 13F portfolio, value $3,898,556.
13F-HR 0001140361-25-041671 filed by GABELLI FUNDS LLC
Filed (acceptance time not in the bulk data set), ingested- GABELLI & Co INVESTMENT ADVISERS, INC.: 3,800 shares
- GABELLI FUNDS LLC: 19,500 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 25,600 sharesChange vs previous 13F +300 shares
0.02% of the 13F portfolio, value $3,155,200.
13F-HR 0001140361-25-030816 filed by GABELLI FUNDS LLC
Filed (acceptance time not in the bulk data set), ingested- GABELLI & Co INVESTMENT ADVISERS, INC.: 3,800 shares
- GABELLI FUNDS LLC: 21,800 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 25,300 sharesChange vs previous 13F -725 shares
0.02% of the 13F portfolio, value $2,198,317.
13F-HR 0001140361-25-018974 filed by GABELLI FUNDS LLC
Filed (acceptance time not in the bulk data set), ingested- GABELLI & Co INVESTMENT ADVISERS, INC.: 3,800 shares
- GABELLI FUNDS LLC: 21,500 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 26,025 sharesChange vs previous 13F -4,008 shares
0.02% of the 13F portfolio, value $2,190,264.
13F-HR 0001140361-25-004328 filed by GABELLI FUNDS LLC
Filed (acceptance time not in the bulk data set), ingested- GAMCO INVESTORS, INC. ET AL: 0 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 3,800 shares
- GABELLI FUNDS LLC: 22,225 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 30,033 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $3,114,722.
13F-HR 0001140361-24-046503 filed by GABELLI FUNDS LLC
Filed (acceptance time not in the bulk data set), ingested- GAMCO INVESTORS, INC. ET AL: 3,013 shares
- GABELLI & Co INVESTMENT ADVISERS, INC.: 3,800 shares
- GABELLI FUNDS LLC: 23,220 shares
Acceptance time not in the bulk data set (spec §4.2).