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Disclosery

Atlatl Advisers LLC: WDC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Atlatl Advisers LLC on WDC, newest first. How the timeline and the estimate are built.

Atlatl Advisers LLC held 13,912 WDC shares at 2026-06-30 per its 13F-HR filed 2026-07-22.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 13,912 shares
    Change vs previous 13F +12,572 shares

    2.11% of the 13F portfolio, value $8,885,873.

    13F-HR 0002023168-26-000005 filed by Atlatl Advisers 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 1,340 shares
    Change vs previous 13F -18,606 shares

    0.27% of the 13F portfolio, value $362,457.

    13F-HR 0002023168-26-000003 filed by Atlatl Advisers LLC
    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 19,946 shares
    Change vs previous 13F +532 shares

    1.32% of the 13F portfolio, value $3,436,097.

    13F-HR 0002023168-26-000002 filed by Atlatl Advisers LLC
    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 19,414 shares
    Change vs previous 13F +19,414 shares

    0.93% of the 13F portfolio, value $2,330,845.

    13F-HR 0002023168-25-000007 filed by Atlatl Advisers LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -28 shares

    13F-HR 0002023168-25-000003 filed by Atlatl Advisers LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  6. period ended2024-12-31
    13F 28 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,670.

    13F-HR 0002023168-25-000001 filed by Atlatl Advisers LLC
    Filed (acceptance time not in the bulk data set), ingested

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