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GAMCO Investors (Gabelli): RDI position timeline

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

GAMCO Investors (Gabelli) held 448,100 RDI 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 448,100 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $573,568.

    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: 361,100 shares
    • GABELLI FUNDS LLC: 87,000 shares

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

  2. period ended2026-03-31
    13F 448,100 shares
    Change vs previous 13F +31,000 shares

    <0.01% of the 13F portfolio, value $506,353.

    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: 361,100 shares
    • GABELLI FUNDS LLC: 87,000 shares

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

  3. period ended2025-12-31
    13F 417,100 shares
    Change vs previous 13F +73,500 shares

    <0.01% of the 13F portfolio, value $437,955.

    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: 332,100 shares
    • GABELLI FUNDS LLC: 85,000 shares

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

  4. period ended2025-09-30
    13F 343,600 shares
    Change vs previous 13F +2,000 shares

    <0.01% of the 13F portfolio, value $505,092.

    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: 276,600 shares
    • GABELLI FUNDS LLC: 67,000 shares

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

  5. period ended2025-06-30
    13F 341,600 shares
    Change vs previous 13F +3,000 shares

    <0.01% of the 13F portfolio, value $457,744.

    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: 281,100 shares
    • GABELLI FUNDS LLC: 60,500 shares

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

  6. period ended2025-03-31
    13F 338,600 shares
    Change vs previous 13F +9,000 shares

    <0.01% of the 13F portfolio, value $470,654.

    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: 281,100 shares
    • GABELLI FUNDS LLC: 57,500 shares

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

  7. period ended2024-12-31
    13F 329,600 shares
    Change vs previous 13F +14,500 shares

    <0.01% of the 13F portfolio, value $435,072.

    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: 272,100 shares
    • GABELLI FUNDS LLC: 57,500 shares

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

  8. period ended2024-09-30
    13F 315,100 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $513,613.

    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: 262,600 shares
    • GABELLI FUNDS LLC: 52,500 shares

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