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GAMCO Investors (Gabelli): DCI position timeline

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

GAMCO Investors (Gabelli) held 922,851 DCI 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 922,851 shares
    Change vs previous 13F -5,000 shares

    0.31% of the 13F portfolio, value $82,844,334.

    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: 274,351 shares
    • GABELLI FUNDS LLC: 648,500 shares

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

  2. period ended2026-03-31
    13F 927,851 shares
    Change vs previous 13F -63,955 shares

    0.32% of the 13F portfolio, value $78,746,714.

    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: 274,351 shares
    • GABELLI FUNDS LLC: 653,500 shares

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

  3. period ended2025-12-31
    13F 991,806 shares
    Change vs previous 13F -40,500 shares

    0.35% of the 13F portfolio, value $87,933,520.

    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: 349,156 shares
    • GABELLI FUNDS LLC: 642,650 shares

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

  4. period ended2025-09-30
    13F 1,032,306 shares
    Change vs previous 13F -16,700 shares

    0.34% of the 13F portfolio, value $84,494,247.

    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: 376,156 shares
    • GABELLI FUNDS LLC: 656,150 shares

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

  5. period ended2025-06-30
    13F 1,049,006 shares
    Change vs previous 13F -8,100 shares

    0.3% of the 13F portfolio, value $72,748,567.

    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: 388,356 shares
    • GABELLI FUNDS LLC: 660,650 shares

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

  6. period ended2025-03-31
    13F 1,057,106 shares
    Change vs previous 13F -11,350 shares

    0.32% of the 13F portfolio, value $70,889,528.

    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: 389,956 shares
    • GABELLI FUNDS LLC: 667,150 shares

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

  7. period ended2024-12-31
    13F 1,068,456 shares
    Change vs previous 13F -20,700 shares

    0.31% of the 13F portfolio, value $71,960,512.

    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: 389,256 shares
    • GABELLI FUNDS LLC: 679,200 shares

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

  8. period ended2024-09-30
    13F 1,089,156 shares
    Change vs previous 13F not available

    0.34% of the 13F portfolio, value $80,270,797.

    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: 403,656 shares
    • GABELLI FUNDS LLC: 685,500 shares

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