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WINDWARD CAPITAL MANAGEMENT CO /CA: STX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WINDWARD CAPITAL MANAGEMENT CO /CA on STX, newest first. How the timeline and the estimate are built.

WINDWARD CAPITAL MANAGEMENT CO /CA held 22,412 STX shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 22,412 shares
    Change vs previous 13F -14,329 shares

    1.64% of the 13F portfolio, value $21,627,865.

    13F-HR 0001078635-26-000001 filed by WINDWARD CAPITAL MANAGEMENT CO /CA
    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 36,741 shares
    Change vs previous 13F -15,514 shares

    1.17% of the 13F portfolio, value $14,393,848.

    13F-HR 0001172661-26-001747 filed by WINDWARD CAPITAL MANAGEMENT CO /CA
    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 52,255 shares
    Change vs previous 13F -3,637 shares

    1.14% of the 13F portfolio, value $14,390,395.

    13F-HR 0001172661-26-000370 filed by WINDWARD CAPITAL MANAGEMENT CO /CA
    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 55,892 shares
    Change vs previous 13F -383 shares

    1.05% of the 13F portfolio, value $13,193,901.

    13F-HR 0001172661-25-004498 filed by WINDWARD CAPITAL MANAGEMENT CO /CA
    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 56,275 shares
    Change vs previous 13F -1,276 shares

    0.69% of the 13F portfolio, value $8,122,213.

    13F-HR 0001172661-25-003076 filed by WINDWARD CAPITAL MANAGEMENT CO /CA
    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 57,551 shares
    Change vs previous 13F -198 shares

    0.42% of the 13F portfolio, value $4,888,924.

    13F-HR 0001172661-25-001771 filed by WINDWARD CAPITAL MANAGEMENT CO /CA
    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 57,749 shares
    Change vs previous 13F -773 shares

    0.38% of the 13F portfolio, value $4,984,339.

    13F-HR 0001172661-25-000359 filed by WINDWARD CAPITAL MANAGEMENT CO /CA
    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 58,522 shares
    Change vs previous 13F not available

    0.49% of the 13F portfolio, value $6,409,871.

    13F-HR 0001172661-24-004445 filed by WINDWARD CAPITAL MANAGEMENT CO /CA
    Filed (acceptance time not in the bulk data set), ingested

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