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HighVista Strategies LLC: AVTX position timeline

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

HighVista Strategies LLC held 122,610 AVTX 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 122,610 shares
    Change vs previous 13F +63,988 shares

    0.52% of the 13F portfolio, value $2,265,832.

    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 58,622 shares
    Change vs previous 13F -37,009 shares

    0.24% of the 13F portfolio, value $875,226.

    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 95,631 shares
    Change vs previous 13F +67,853 shares

    0.45% of the 13F portfolio, value $1,736,659.

    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).

  4. period ended2025-09-30
    13F 27,778 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $353,058.

    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).