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GAMCO Investors (Gabelli): RBA position timeline

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

GAMCO Investors (Gabelli) held 72,050 RBA 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 72,050 shares
    Change vs previous 13F 0 shares

    0.03% of the 13F portfolio, value $8,390,223.

    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: 54,050 shares
    • GABELLI FUNDS LLC: 18,000 shares

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

  2. period ended2026-03-31
    13F 72,050 shares
    Change vs previous 13F -950 shares

    0.03% of the 13F portfolio, value $6,905,993.

    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: 54,050 shares
    • GABELLI FUNDS LLC: 18,000 shares

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

  3. period ended2025-12-31
    13F 73,000 shares
    Change vs previous 13F -1,400 shares

    0.03% of the 13F portfolio, value $7,509,510.

    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: 55,000 shares
    • GABELLI FUNDS LLC: 18,000 shares

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

  4. period ended2025-09-30
    13F 74,400 shares
    Change vs previous 13F -1,000 shares

    0.03% of the 13F portfolio, value $8,061,984.

    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: 56,000 shares
    • GABELLI FUNDS LLC: 18,400 shares

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

  5. period ended2025-06-30
    13F 75,400 shares
    Change vs previous 13F -1,100 shares

    0.03% of the 13F portfolio, value $8,006,726.

    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: 57,000 shares
    • GABELLI FUNDS LLC: 18,400 shares

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

  6. period ended2025-03-31
    13F 76,500 shares
    Change vs previous 13F -6,000 shares

    0.03% of the 13F portfolio, value $7,672,950.

    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: 57,500 shares
    • GABELLI FUNDS LLC: 19,000 shares

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

  7. period ended2024-12-31
    13F 82,500 shares
    Change vs previous 13F -6,700 shares

    0.03% of the 13F portfolio, value $7,442,325.

    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: 62,500 shares
    • GABELLI FUNDS LLC: 20,000 shares

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

  8. period ended2024-09-30
    13F 89,200 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $7,179,708.

    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: 68,000 shares
    • GABELLI FUNDS LLC: 21,200 shares

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