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Disclosery

HighVista Strategies LLC: IRON position timeline

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

HighVista Strategies LLC held 14,219 IRON 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 14,219 shares
    Change vs previous 13F +14,219 shares

    0.24% of the 13F portfolio, value $1,039,978.

    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 ended2025-09-30
    13F 0 shares
    Change vs previous 13F -6,733 shares

    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).

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

  3. period ended2025-06-30
    13F 6,733 shares
    Change vs previous 13F +275 shares

    0.13% of the 13F portfolio, value $356,580.

    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).

  4. period ended2025-03-31
    13F 6,458 shares
    Change vs previous 13F 0 shares

    0.12% of the 13F portfolio, value $320,575.

    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).

  5. period ended2024-12-31
    13F 6,458 shares
    Change vs previous 13F -3,107 shares

    0.15% of the 13F portfolio, value $409,437.

    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).

  6. period ended2024-09-30
    13F 9,565 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $470,024.

    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).