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ACR Alpine Capital Research, LLC: ZD position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ACR Alpine Capital Research, LLC on ZD, newest first. How the timeline and the estimate are built.

ACR Alpine Capital Research, LLC held 86,526 ZD shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 86,526 shares
    Change vs previous 13F +13,846 shares

    0.06% of the 13F portfolio, value $4,531,367.

    13F-HR 0001508822-26-000005 filed by ACR Alpine Capital Research, LLC
    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 72,680 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $3,049,653.

    13F-HR 0001508822-26-000004 filed by ACR Alpine Capital Research, LLC
    Filed (acceptance time not in the bulk data set), ingested

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