Skip to content
Disclosery

HighVista Strategies LLC: ARGX position timeline

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

HighVista Strategies LLC held 4,561 ARGX 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 4,561 shares
    Change vs previous 13F -357 shares

    0.96% of the 13F portfolio, value $4,231,559.

    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 4,918 shares
    Change vs previous 13F +1,330 shares

    0.99% of the 13F portfolio, value $3,591,370.

    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 3,588 shares
    Change vs previous 13F -480 shares

    0.78% of the 13F portfolio, value $3,017,329.

    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 4,068 shares
    Change vs previous 13F +1,653 shares

    0.74% of the 13F portfolio, value $3,000,394.

    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 2,415 shares
    Change vs previous 13F -790 shares

    0.49% of the 13F portfolio, value $1,331,196.

    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 3,205 shares
    Change vs previous 13F -2,542 shares

    0.73% of the 13F portfolio, value $1,896,927.

    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 5,747 shares
    Change vs previous 13F -1,407 shares

    1.31% of the 13F portfolio, value $3,534,405.

    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 7,154 shares
    Change vs previous 13F not available

    1.34% of the 13F portfolio, value $3,878,040.

    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).