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GAMCO Investors (Gabelli): MNRO position timeline

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

GAMCO Investors (Gabelli) held 3,369,220 MNRO 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 3,369,220 shares
    Change vs previous 13F +428,718 shares

    0.21% of the 13F portfolio, value $57,647,355.

    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: 2,740,858 shares
    • GABELLI & Co INVESTMENT ADVISERS, INC.: 34,450 shares
    • GABELLI FUNDS LLC: 593,912 shares

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

  2. period ended2026-03-31
    13F 2,940,502 shares
    Change vs previous 13F +1,140,570 shares

    0.19% of the 13F portfolio, value $47,165,652.

    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: 2,517,902 shares
    • GABELLI FUNDS LLC: 422,600 shares

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

  3. period ended2025-12-31
    13F 1,799,932 shares
    Change vs previous 13F +277,397 shares

    0.14% of the 13F portfolio, value $36,070,637.

    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: 1,553,432 shares
    • GABELLI FUNDS LLC: 246,500 shares

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

  4. period ended2025-09-30
    13F 1,522,535 shares
    Change vs previous 13F +231,670 shares

    0.11% of the 13F portfolio, value $27,359,954.

    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: 1,271,335 shares
    • GABELLI FUNDS LLC: 251,200 shares

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

  5. period ended2025-06-30
    13F 1,290,865 shares
    Change vs previous 13F +292,850 shares

    0.08% of the 13F portfolio, value $19,246,797.

    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: 1,094,465 shares
    • GABELLI FUNDS LLC: 196,400 shares

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

  6. period ended2025-03-31
    13F 998,015 shares
    Change vs previous 13F +193,230 shares

    0.07% of the 13F portfolio, value $14,441,277.

    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: 822,515 shares
    • GABELLI FUNDS LLC: 175,500 shares

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

  7. period ended2024-12-31
    13F 804,785 shares
    Change vs previous 13F +66,675 shares

    0.09% of the 13F portfolio, value $19,958,668.

    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: 682,785 shares
    • GABELLI FUNDS LLC: 122,000 shares

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

  8. period ended2024-09-30
    13F 738,110 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $21,301,855.

    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: 621,110 shares
    • GABELLI FUNDS LLC: 117,000 shares

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