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GAMCO Investors (Gabelli): GRC position timeline

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

GAMCO Investors (Gabelli) held 1,316,817 GRC 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 1,316,817 shares
    Change vs previous 13F -33,879 shares

    0.45% of the 13F portfolio, value $120,804,792.

    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: 567,470 shares
    • GABELLI FUNDS LLC: 749,347 shares

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

  2. period ended2026-03-31
    13F 1,350,696 shares
    Change vs previous 13F -22,324 shares

    0.34% of the 13F portfolio, value $83,918,742.

    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: 582,470 shares
    • GABELLI FUNDS LLC: 768,226 shares

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

  3. period ended2025-12-31
    13F 1,373,020 shares
    Change vs previous 13F +2,270 shares

    0.26% of the 13F portfolio, value $65,561,705.

    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: 599,520 shares
    • GABELLI FUNDS LLC: 773,500 shares

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

  4. period ended2025-09-30
    13F 1,370,750 shares
    Change vs previous 13F +4,098 shares

    0.25% of the 13F portfolio, value $63,616,508.

    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: 596,550 shares
    • GABELLI FUNDS LLC: 774,200 shares

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

  5. period ended2025-06-30
    13F 1,366,652 shares
    Change vs previous 13F +45,524 shares

    0.21% of the 13F portfolio, value $50,183,461.

    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: 592,988 shares
    • GABELLI FUNDS LLC: 773,664 shares

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

  6. period ended2025-03-31
    13F 1,321,128 shares
    Change vs previous 13F +33,190 shares

    0.21% of the 13F portfolio, value $46,371,593.

    13F-HR 0001140361-25-018974 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 554,728 shares
    • GABELLI FUNDS LLC: 766,400 shares

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

  7. period ended2024-12-31
    13F 1,287,938 shares
    Change vs previous 13F -9,200 shares

    0.21% of the 13F portfolio, value $48,838,609.

    13F-HR 0001140361-25-004328 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 522,938 shares
    • GABELLI FUNDS LLC: 765,000 shares

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

  8. period ended2024-09-30
    13F 1,297,138 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $50,523,525.

    13F-HR 0001140361-24-046503 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 526,038 shares
    • GABELLI FUNDS LLC: 771,100 shares

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