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Disclosery

GAM Holding AG: DUK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAM Holding AG on DUK, newest first. How the timeline and the estimate are built.

GAM Holding AG held 23,364 DUK shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 23,364 shares
    Change vs previous 13F -153 shares

    0.23% of the 13F portfolio, value $2,957,415.

    13F-HR 0001172661-26-003710 filed by GAM Holding AG
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 23,517 shares
    Change vs previous 13F -16,054 shares

    0.27% of the 13F portfolio, value $3,079,316.

    13F-HR 0001172661-26-003350 filed by GAM Holding AG
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 39,571 shares
    Change vs previous 13F +24,316 shares

    0.3% of the 13F portfolio, value $4,638,117.

    13F-HR 0001172661-26-001215 filed by GAM Holding AG
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 15,255 shares
    Change vs previous 13F -133 shares

    0.12% of the 13F portfolio, value $1,887,806.

    13F-HR 0001172661-25-004340 filed by GAM Holding AG
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 15,388 shares
    Change vs previous 13F +39 shares

    0.13% of the 13F portfolio, value $1,815,784.

    13F-HR 0001172661-25-002866 filed by GAM Holding AG
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 15,349 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $1,872,118.

    13F-HR 0001172661-25-001528 filed by GAM Holding AG
    Filed (acceptance time not in the bulk data set), ingested

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