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GAMCO Investors (Gabelli): SONY position timeline

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

GAMCO Investors (Gabelli) held 9,566,473 SONY shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,566,473 shares
    Change vs previous 13F -254,317 shares

    0.7% of the 13F portfolio, value $191,903,448.

    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: 4,498,717 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 37,065 shares
    • GABELLI FUNDS LLC: 5,030,691 shares

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 9,820,790 shares
    Change vs previous 13F -507,257 shares

    0.79% of the 13F portfolio, value $203,290,354.

    13F-HR 0001140361-26-021337 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 4,589,084 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 34,065 shares
    • GABELLI FUNDS LLC: 5,197,641 shares

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 10,328,047 shares
    Change vs previous 13F -591,997 shares

    1.02% of the 13F portfolio, value $264,398,003.

    13F-HR 0001140361-26-003893 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 4,975,032 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 33,925 shares
    • GABELLI FUNDS LLC: 5,319,090 shares

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 10,920,044 shares
    Change vs previous 13F -856,717 shares

    1.22% of the 13F portfolio, value $314,388,067.

    13F-HR 0001140361-25-041671 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 5,218,584 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 34,425 shares
    • GABELLI FUNDS LLC: 5,667,035 shares

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 11,776,761 shares
    Change vs previous 13F -546,711 shares

    1.23% of the 13F portfolio, value $306,549,089.

    13F-HR 0001140361-25-030816 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 5,821,181 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 42,925 shares
    • GABELLI FUNDS LLC: 5,912,655 shares

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 12,323,472 shares
    Change vs previous 13F -415,818 shares

    1.37% of the 13F portfolio, value $312,892,954.

    13F-HR 0001140361-25-018974 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 6,055,292 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 45,500 shares
    • GABELLI FUNDS LLC: 6,222,680 shares

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 12,739,290 shares
    Change vs previous 13F +10,142,499 shares

    1.15% of the 13F portfolio, value $269,563,377.

    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: 6,324,174 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 45,535 shares
    • GABELLI FUNDS LLC: 6,369,581 shares

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 2,596,791 shares
    Change vs previous 13F not available

    1.03% of the 13F portfolio, value $250,772,107.

    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: 1,285,929 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 9,116 shares
    • GABELLI FUNDS LLC: 1,301,746 shares

    Acceptance time not in the bulk data set (spec §4.2).