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GAMCO Investors (Gabelli): MSGS position timeline

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

GAMCO Investors (Gabelli) held 987,434 MSGS 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 987,434 shares
    Change vs previous 13F +1,842 shares

    1.44% of the 13F portfolio, value $396,790,480.

    13F-HR 0001140361-26-032508 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 589,128 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 7,078 shares
    • GABELLI FUNDS LLC: 391,228 shares

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

  2. period ended2026-03-31
    13F 985,592 shares
    Change vs previous 13F -29,169 shares

    1.24% of the 13F portfolio, value $316,769,269.

    13F-HR 0001140361-26-021334 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 587,652 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 7,078 shares
    • GABELLI FUNDS LLC: 390,862 shares

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

  3. period ended2025-12-31
    13F 1,014,761 shares
    Change vs previous 13F +10,480 shares

    1.02% of the 13F portfolio, value $262,467,933.

    13F-HR 0001140361-26-003895 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 613,391 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 7,078 shares
    • GABELLI FUNDS LLC: 394,292 shares

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

  4. period ended2025-09-30
    13F 1,004,281 shares
    Change vs previous 13F -6,400 shares

    0.89% of the 13F portfolio, value $227,971,787.

    13F-HR 0001140361-25-041670 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 606,518 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 7,078 shares
    • GABELLI FUNDS LLC: 390,685 shares

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

  5. period ended2025-06-30
    13F 1,010,681 shares
    Change vs previous 13F -5,633 shares

    0.85% of the 13F portfolio, value $211,181,795.

    13F-HR 0001140361-25-030814 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 614,788 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 7,578 shares
    • GABELLI FUNDS LLC: 388,315 shares

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

  6. period ended2025-03-31
    13F 1,016,314 shares
    Change vs previous 13F +5,200 shares

    0.87% of the 13F portfolio, value $197,896,662.

    13F-HR 0001140361-25-018975 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 603,324 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 7,578 shares
    • GABELLI FUNDS LLC: 405,412 shares

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

  7. period ended2024-12-31
    13F 1,011,114 shares
    Change vs previous 13F -138 shares

    0.97% of the 13F portfolio, value $228,188,207.

    13F-HR 0001140361-25-004330 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 588,655 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 6,631 shares
    • GABELLI FUNDS LLC: 415,828 shares

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

  8. period ended2024-09-30
    13F 1,011,252 shares
    Change vs previous 13F not available

    0.87% of the 13F portfolio, value $210,603,342.

    13F-HR 0001140361-24-046738 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 588,856 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 2,578 shares
    • GABELLI FUNDS LLC: 419,818 shares

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