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Disclosery

BLAIR WILLIAM & CO/IL: STX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on STX, newest first. How the timeline and the estimate are built.

BLAIR WILLIAM & CO/IL held 6,224 STX shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,224 shares
    Change vs previous 13F +2,002 shares

    0.02% of the 13F portfolio, value $6,006,575.

    13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
    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 4,222 shares
    Change vs previous 13F +943 shares

    <0.01% of the 13F portfolio, value $1,654,096.

    13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
    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 3,279 shares
    Change vs previous 13F -519 shares

    <0.01% of the 13F portfolio, value $903,023.

    13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
    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 3,798 shares
    Change vs previous 13F +12 shares

    <0.01% of the 13F portfolio, value $896,564.

    13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
    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 3,786 shares
    Change vs previous 13F +951 shares

    <0.01% of the 13F portfolio, value $546,479.

    13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
    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 2,835 shares
    Change vs previous 13F +157 shares

    <0.01% of the 13F portfolio, value $240,853.

    13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
    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 2,678 shares
    Change vs previous 13F -381 shares

    <0.01% of the 13F portfolio, value $231,153.

    13F-HR 0001104659-25-011872 filed by BLAIR WILLIAM & CO/IL
    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 3,059 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $335,065.

    13F-HR 0001104659-24-116499 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

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