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GAMCO Investors (Gabelli): DHR position timeline

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

GAMCO Investors (Gabelli) held 17,453 DHR 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 17,453 shares
    Change vs previous 13F -3,131 shares

    0.01% of the 13F portfolio, value $3,324,447.

    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: 1,203 shares
    • GABELLI FUNDS LLC: 16,250 shares

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

  2. period ended2026-03-31
    13F 20,584 shares
    Change vs previous 13F +3 shares

    0.02% of the 13F portfolio, value $3,902,727.

    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: 1,603 shares
    • GABELLI FUNDS LLC: 18,981 shares

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

  3. period ended2025-12-31
    13F 20,581 shares
    Change vs previous 13F +50 shares

    0.02% of the 13F portfolio, value $4,711,403.

    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: 1,600 shares
    • GABELLI FUNDS LLC: 18,981 shares

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

  4. period ended2025-09-30
    13F 20,531 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $4,070,476.

    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: 1,600 shares
    • GABELLI FUNDS LLC: 18,931 shares

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

  5. period ended2025-06-30
    13F 20,531 shares
    Change vs previous 13F +696 shares

    0.02% of the 13F portfolio, value $4,055,694.

    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: 1,600 shares
    • GABELLI FUNDS LLC: 18,931 shares

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

  6. period ended2025-03-31
    13F 19,835 shares
    Change vs previous 13F -1,611 shares

    0.02% of the 13F portfolio, value $4,066,175.

    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: 1,610 shares
    • GABELLI FUNDS LLC: 18,225 shares

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

  7. period ended2024-12-31
    13F 21,446 shares
    Change vs previous 13F -1,396 shares

    0.02% of the 13F portfolio, value $4,922,930.

    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: 2,621 shares
    • GABELLI FUNDS LLC: 18,825 shares

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

  8. period ended2024-09-30
    13F 22,842 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $6,350,533.

    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: 3,117 shares
    • GABELLI FUNDS LLC: 19,725 shares

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