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Disclosery

ALLIANCEBERNSTEIN L.P.: STX position timeline

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

ALLIANCEBERNSTEIN L.P. held 649,106 STX shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 649,106 shares
    Change vs previous 13F +453,734 shares

    0.08% of the 13F portfolio, value $254,293,767.

    13F-HR 0001109448-26-000261 filed by ALLIANCEBERNSTEIN L.P.
    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 195,372 shares
    Change vs previous 13F -1,398 shares

    0.02% of the 13F portfolio, value $53,803,495.

    13F-HR 0001109448-26-000101 filed by ALLIANCEBERNSTEIN L.P.
    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 196,770 shares
    Change vs previous 13F -37,266 shares

    0.02% of the 13F portfolio, value $54,188,490.

    13F-HR 0001109448-26-000021 filed by ALLIANCEBERNSTEIN L.P.
    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 234,036 shares
    Change vs previous 13F -1,650 shares

    0.02% of the 13F portfolio, value $55,246,538.

    13F-HR 0001109448-25-000079 filed by ALLIANCEBERNSTEIN L.P.
    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 235,686 shares
    Change vs previous 13F +7,923 shares

    0.01% of the 13F portfolio, value $34,016,560.

    13F-HR 0001532155-25-000161 filed by ALLIANCEBERNSTEIN L.P.
    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 227,763 shares
    Change vs previous 13F +1,555 shares

    0.01% of the 13F portfolio, value $19,348,467.

    13F-HR 0001532155-25-000116 filed by ALLIANCEBERNSTEIN L.P.
    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 226,208 shares
    Change vs previous 13F -10,015 shares

    0.01% of the 13F portfolio, value $19,524,012.

    13F-HR 0001532155-25-000050 filed by ALLIANCEBERNSTEIN L.P.
    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 236,223 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $25,873,505.

    13F-HR 0001532155-24-000162 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

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