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GAMCO Investors (Gabelli): MTUS position timeline

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

GAMCO Investors (Gabelli) held 278,500 MTUS 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 278,500 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $5,205,165.

    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: 214,500 shares
    • GABELLI FUNDS LLC: 64,000 shares

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

  2. period ended2026-03-31
    13F 278,500 shares
    Change vs previous 13F -1,000 shares

    0.02% of the 13F portfolio, value $4,550,690.

    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: 214,500 shares
    • GABELLI FUNDS LLC: 64,000 shares

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

  3. period ended2025-12-31
    13F 279,500 shares
    Change vs previous 13F -2,200 shares

    0.02% of the 13F portfolio, value $4,796,220.

    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: 215,500 shares
    • GABELLI FUNDS LLC: 64,000 shares

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

  4. period ended2025-09-30
    13F 281,700 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $4,656,501.

    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: 217,700 shares
    • GABELLI FUNDS LLC: 64,000 shares

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

  5. period ended2025-06-30
    13F 281,700 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $4,340,997.

    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: 217,700 shares
    • GABELLI FUNDS LLC: 64,000 shares

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

  6. period ended2025-03-31
    13F 281,700 shares
    Change vs previous 13F -200 shares

    0.02% of the 13F portfolio, value $3,763,512.

    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: 217,700 shares
    • GABELLI FUNDS LLC: 64,000 shares

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

  7. period ended2024-12-31
    13F 281,900 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $3,983,247.

    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: 217,900 shares
    • GABELLI FUNDS LLC: 64,000 shares

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

  8. period ended2024-09-30
    13F 281,900 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $4,180,577.

    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: 217,900 shares
    • GABELLI FUNDS LLC: 64,000 shares

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