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GAMCO Investors (Gabelli): RPM position timeline

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

GAMCO Investors (Gabelli) held 20,567 RPM 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 20,567 shares
    Change vs previous 13F +2,860 shares

    0.01% of the 13F portfolio, value $2,286,022.

    13F-HR 0001140361-26-032509 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 4,508 shares
    • GABELLI FUNDS LLC: 16,059 shares

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

  2. period ended2026-03-31
    13F 17,707 shares
    Change vs previous 13F -800 shares

    0.01% of the 13F portfolio, value $1,760,076.

    13F-HR 0001140361-26-021337 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 3,172 shares
    • GABELLI FUNDS LLC: 14,535 shares

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

  3. period ended2025-12-31
    13F 18,507 shares
    Change vs previous 13F +710 shares

    0.01% of the 13F portfolio, value $1,924,728.

    13F-HR 0001140361-26-003893 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 3,605 shares
    • GABELLI FUNDS LLC: 14,902 shares

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

  4. period ended2025-09-30
    13F 17,797 shares
    Change vs previous 13F +171 shares

    0.01% of the 13F portfolio, value $2,097,911.

    13F-HR 0001140361-25-041671 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 3,645 shares
    • GABELLI FUNDS LLC: 14,152 shares

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

  5. period ended2025-06-30
    13F 17,626 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,936,040.

    13F-HR 0001140361-25-030816 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 3,661 shares
    • GABELLI FUNDS LLC: 13,965 shares

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