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Disclosery

HighVista Strategies LLC: STX position timeline

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

HighVista Strategies LLC held 1,870 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 1,870 shares
    Change vs previous 13F -1,030 shares

    0.41% of the 13F portfolio, value $1,804,550.

    13F-HR 0001172661-26-003470 filed by HighVista Strategies 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 2,900 shares
    Change vs previous 13F +2,900 shares

    0.31% of the 13F portfolio, value $1,136,104.

    13F-HR 0001172661-26-002079 filed by HighVista Strategies 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 0 shares
    Change vs previous 13F -6,898 shares

    13F-HR 0001172661-26-000882 filed by HighVista Strategies LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  4. period ended2025-09-30
    13F 6,898 shares
    Change vs previous 13F -15,202 shares

    0.4% of the 13F portfolio, value $1,628,342.

    13F-HR 0001172661-25-004799 filed by HighVista Strategies LLC
    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 22,100 shares
    Change vs previous 13F -900 shares

    1.17% of the 13F portfolio, value $3,189,693.

    13F-HR 0001172661-25-003309 filed by HighVista Strategies LLC
    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 23,000 shares
    Change vs previous 13F +5,700 shares

    0.75% of the 13F portfolio, value $1,953,850.

    13F-HR 0001172661-25-001991 filed by HighVista Strategies LLC
    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 17,300 shares
    Change vs previous 13F +1,700 shares

    0.56% of the 13F portfolio, value $1,493,163.

    13F-HR 0001172661-25-000973 filed by HighVista Strategies LLC
    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 15,600 shares
    Change vs previous 13F not available

    0.59% of the 13F portfolio, value $1,708,668.

    13F-HR 0001172661-24-004811 filed by HighVista Strategies LLC
    Filed (acceptance time not in the bulk data set), ingested

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