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FRED ALGER MANAGEMENT, LLC: STX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of FRED ALGER MANAGEMENT, LLC on STX, newest first. How the timeline and the estimate are built.

FRED ALGER MANAGEMENT, LLC held 108,461 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 108,461 shares
    Change vs previous 13F +45,902 shares

    0.35% of the 13F portfolio, value $104,664,865.

    13F-HR 0001193125-26-352250 filed by FRED ALGER MANAGEMENT, 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 62,559 shares
    Change vs previous 13F +10,209 shares

    0.11% of the 13F portfolio, value $24,508,114.

    13F-HR 0001193125-26-226659 filed by FRED ALGER MANAGEMENT, 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 52,350 shares
    Change vs previous 13F +10,833 shares

    0.06% of the 13F portfolio, value $14,416,667.

    13F-HR 0001193125-26-052991 filed by FRED ALGER MANAGEMENT, 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 41,517 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $9,826,864.

    13F-HR 0001193125-25-282909 filed by FRED ALGER MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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