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Foresite Capital Management VI LLC: CYTK position timeline

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

Foresite Capital Management VI LLC held 714,695 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 714,695 shares
    Change vs previous 13F +211,400 shares

    20.98% of the 13F portfolio, value $60,884,867.

    13F-HR 0001104659-26-097103 filed by Foresite Capital Management IV, 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 503,295 shares
    Change vs previous 13F +45,000 shares

    13.99% of the 13F portfolio, value $33,172,173.

    13F-HR 0001104659-26-062462 filed by Foresite Capital Management IV, 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 458,295 shares
    Change vs previous 13F 0 shares

    12.68% of the 13F portfolio, value $29,120,064.

    13F-HR 0001104659-26-015407 filed by Foresite Capital Management IV, 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 458,295 shares
    Change vs previous 13F not available

    13.79% of the 13F portfolio, value $25,187,893.

    13F-HR 0001104659-25-112500 filed by Foresite Capital Management IV, LLC
    Filed (acceptance time not in the bulk data set), ingested

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