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Disclosery

Aufman Associates Inc: STX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Aufman Associates Inc on STX, newest first. How the timeline and the estimate are built.

Aufman Associates Inc held 50,612 STX 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 50,612 shares
    Change vs previous 13F -14,895 shares

    19.47% of the 13F portfolio, value $48,840,580.

    13F-HR 0001801573-26-000003 filed by Aufman Associates Inc
    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 65,507 shares
    Change vs previous 13F -52 shares

    12.59% of the 13F portfolio, value $25,663,022.

    13F-HR 0001801573-26-000002 filed by Aufman Associates Inc
    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 65,559 shares
    Change vs previous 13F -4,833 shares

    9.25% of the 13F portfolio, value $18,054,293.

    13F-HR 0001801573-26-000001 filed by Aufman Associates Inc
    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 70,392 shares
    Change vs previous 13F -89 shares

    9.35% of the 13F portfolio, value $16,616,736.

    13F-HR 0001801573-25-000007 filed by Aufman Associates Inc
    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 70,481 shares
    Change vs previous 13F -13,118 shares

    6.27% of the 13F portfolio, value $10,172,523.

    13F-HR 0001801573-25-000004 filed by Aufman Associates Inc
    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 83,599 shares
    Change vs previous 13F -527 shares

    4.88% of the 13F portfolio, value $7,101,735.

    13F-HR 0001801573-25-000002 filed by Aufman Associates Inc
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 84,126 shares
    Change vs previous 13F -11,298 shares

    4.9% of the 13F portfolio, value $7,260,915.

    13F-HR 0001801573-25-000001 filed by Aufman Associates Inc
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 95,424 shares
    Change vs previous 13F not available

    6.72% of the 13F portfolio, value $10,451,791.

    13F-HR 0001801573-24-000005 filed by Aufman Associates Inc
    Filed (acceptance time not in the bulk data set), ingested

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