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Disclosery

HighVista Strategies LLC: JANX position timeline

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

HighVista Strategies LLC held 48,376 JANX 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 48,376 shares
    Change vs previous 13F -1,007 shares

    0.17% of the 13F portfolio, value $743,056.

    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 49,383 shares
    Change vs previous 13F +7,940 shares

    0.19% of the 13F portfolio, value $686,424.

    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 41,443 shares
    Change vs previous 13F -13,807 shares

    0.15% of the 13F portfolio, value $571,913.

    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 55,250 shares
    Change vs previous 13F -7,186 shares

    0.33% of the 13F portfolio, value $1,350,310.

    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 62,436 shares
    Change vs previous 13F -12,120 shares

    0.53% of the 13F portfolio, value $1,442,272.

    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 74,556 shares
    Change vs previous 13F +4,841 shares

    0.78% of the 13F portfolio, value $2,013,012.

    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 69,715 shares
    Change vs previous 13F +46,243 shares

    1.39% of the 13F portfolio, value $3,732,541.

    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 23,472 shares
    Change vs previous 13F not available

    0.37% of the 13F portfolio, value $1,066,333.

    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).