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SPHERA FUNDS MANAGEMENT LTD.: CYTK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SPHERA FUNDS MANAGEMENT LTD. on CYTK, newest first. How the timeline and the estimate are built.

SPHERA FUNDS MANAGEMENT LTD. held 219,987 CYTK 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 219,987 shares
    Change vs previous 13F +180,170 shares

    2.68% of the 13F portfolio, value $18,740,693.

    13F-HR 0001496201-26-000004 filed by SPHERA FUNDS MANAGEMENT LTD.
    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 39,817 shares
    Change vs previous 13F -51,900 shares

    0.45% of the 13F portfolio, value $2,624,338.

    13F-HR 0001496201-26-000003 filed by SPHERA FUNDS MANAGEMENT LTD.
    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 91,717 shares
    Change vs previous 13F -69,800 shares

    1.22% of the 13F portfolio, value $5,827,698.

    13F-HR 0001496201-26-000002 filed by SPHERA FUNDS MANAGEMENT LTD.
    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 161,517 shares
    Change vs previous 13F -165,201 shares

    2.11% of the 13F portfolio, value $8,876,974.

    13F-HR 0001496201-25-000017 filed by SPHERA FUNDS MANAGEMENT LTD.
    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 326,718 shares
    Change vs previous 13F +181,757 shares

    2.82% of the 13F portfolio, value $10,794,763.

    13F-HR 0001496201-25-000010 filed by SPHERA FUNDS MANAGEMENT LTD.
    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 144,961 shares
    Change vs previous 13F -8,060 shares

    1.44% of the 13F portfolio, value $5,825,983.

    13F-HR 0001496201-25-000007 filed by SPHERA FUNDS MANAGEMENT LTD.
    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 153,021 shares
    Change vs previous 13F -72,000 shares

    1.33% of the 13F portfolio, value $7,198,108.

    13F-HR 0001496201-25-000001 filed by SPHERA FUNDS MANAGEMENT LTD.
    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 225,021 shares
    Change vs previous 13F not available

    1.94% of the 13F portfolio, value $11,881,109.

    13F-HR 0001496201-24-000017 filed by SPHERA FUNDS MANAGEMENT LTD.
    Filed (acceptance time not in the bulk data set), ingested

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