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GAMCO Investors (Gabelli): RES position timeline

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

GAMCO Investors (Gabelli) held 4,951,249 RES 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 4,951,249 shares
    Change vs previous 13F -114,019 shares

    0.11% of the 13F portfolio, value $28,865,782.

    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: 2,782,249 shares
    • GABELLI FUNDS LLC: 2,169,000 shares

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

  2. period ended2026-03-31
    13F 5,065,268 shares
    Change vs previous 13F -51,384 shares

    0.14% of the 13F portfolio, value $35,862,097.

    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: 2,891,268 shares
    • GABELLI FUNDS LLC: 2,174,000 shares

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

  3. period ended2025-12-31
    13F 5,116,652 shares
    Change vs previous 13F -153,171 shares

    0.11% of the 13F portfolio, value $27,834,587.

    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: 2,941,346 shares
    • GABELLI FUNDS LLC: 2,175,306 shares

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

  4. period ended2025-09-30
    13F 5,269,823 shares
    Change vs previous 13F -13,150 shares

    0.1% of the 13F portfolio, value $25,084,358.

    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: 3,060,846 shares
    • GABELLI FUNDS LLC: 2,208,977 shares

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

  5. period ended2025-06-30
    13F 5,282,973 shares
    Change vs previous 13F -66,271 shares

    0.1% of the 13F portfolio, value $24,988,462.

    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: 3,075,496 shares
    • GABELLI FUNDS LLC: 2,207,477 shares

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

  6. period ended2025-03-31
    13F 5,349,244 shares
    Change vs previous 13F +5,338 shares

    0.13% of the 13F portfolio, value $29,420,843.

    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: 3,079,829 shares
    • GABELLI FUNDS LLC: 2,269,415 shares

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

  7. period ended2024-12-31
    13F 5,343,906 shares
    Change vs previous 13F +93,369 shares

    0.14% of the 13F portfolio, value $31,742,801.

    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: 3,081,429 shares
    • GABELLI FUNDS LLC: 2,262,477 shares

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

  8. period ended2024-09-30
    13F 5,250,537 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $33,393,416.

    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: 2,984,060 shares
    • GABELLI FUNDS LLC: 2,266,477 shares

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