Skip to content
Disclosery

GAMCO Investors (Gabelli): ROG position timeline

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

GAMCO Investors (Gabelli) held 243,415 ROG 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 243,415 shares
    Change vs previous 13F -17,749 shares

    0.15% of the 13F portfolio, value $39,854,338.

    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: 181,015 shares
    • GABELLI FUNDS LLC: 62,400 shares

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

  2. period ended2026-03-31
    13F 261,164 shares
    Change vs previous 13F -15,288 shares

    0.11% of the 13F portfolio, value $28,030,732.

    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: 191,264 shares
    • GABELLI FUNDS LLC: 69,900 shares

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

  3. period ended2025-12-31
    13F 276,452 shares
    Change vs previous 13F -7,498 shares

    0.1% of the 13F portfolio, value $25,314,710.

    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: 203,154 shares
    • GABELLI FUNDS LLC: 73,298 shares

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

  4. period ended2025-09-30
    13F 283,950 shares
    Change vs previous 13F +2,227 shares

    0.09% of the 13F portfolio, value $22,846,617.

    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: 205,950 shares
    • GABELLI FUNDS LLC: 78,000 shares

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

  5. period ended2025-06-30
    13F 281,723 shares
    Change vs previous 13F +14,873 shares

    0.08% of the 13F portfolio, value $19,292,391.

    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: 204,023 shares
    • GABELLI FUNDS LLC: 77,700 shares

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

  6. period ended2025-03-31
    13F 266,850 shares
    Change vs previous 13F +108,275 shares

    0.08% of the 13F portfolio, value $18,020,381.

    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: 190,150 shares
    • GABELLI FUNDS LLC: 76,700 shares

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

  7. period ended2024-12-31
    13F 158,575 shares
    Change vs previous 13F +12,037 shares

    0.07% of the 13F portfolio, value $16,112,806.

    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: 116,125 shares
    • GABELLI FUNDS LLC: 42,450 shares

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

  8. period ended2024-09-30
    13F 146,538 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $16,560,260.

    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: 105,683 shares
    • GABELLI FUNDS LLC: 40,855 shares

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