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Disclosery

EcoR1 Capital, LLC: KURA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of EcoR1 Capital, LLC on KURA, newest first. How the timeline and the estimate are built.

EcoR1 Capital, LLC held 0 KURA shares at 2025-12-31 per its 13F-HR filed 2026-02-17.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -872,500 shares

    13F-HR 0000935836-26-000101 filed by EcoR1 Capital, 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.

  2. period ended2025-09-30
    13F 872,500 shares
    Change vs previous 13F -3,327,500 shares

    0.37% of the 13F portfolio, value $7,721,625.

    13F-HR 0000935836-25-000671 filed by EcoR1 Capital, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 4,200,000 shares
    Change vs previous 13F +1,559,702 shares

    1.44% of the 13F portfolio, value $24,234,000.

    13F-HR 0000935836-25-000506 filed by EcoR1 Capital, 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 2,640,298 shares
    Change vs previous 13F -916,971 shares

    1.04% of the 13F portfolio, value $17,425,967.

    13F-HR 0000935836-25-000338 filed by EcoR1 Capital, 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 3,557,269 shares
    Change vs previous 13F -2,249,602 shares

    1.24% of the 13F portfolio, value $30,983,813.

    13F-HR 0000935836-25-000164 filed by EcoR1 Capital, 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 5,806,871 shares
    Change vs previous 13F not available

    3.89% of the 13F portfolio, value $113,466,259.

    13F-HR 0000935836-24-000682 filed by EcoR1 Capital, LLC
    Filed (acceptance time not in the bulk data set), ingested

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