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Disclosery

MARSHALL WACE, LLP: CYTK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MARSHALL WACE, LLP on CYTK, newest first. How the timeline and the estimate are built.

MARSHALL WACE, LLP held 451,467 CYTK shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 451,467 shares
    Change vs previous 13F -205,141 shares

    0.03% of the 13F portfolio, value $38,460,474.

    13F-HR 0001318757-26-000010 filed by MARSHALL WACE, LLP
    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 656,608 shares
    Change vs previous 13F +319,577 shares

    0.05% of the 13F portfolio, value $43,277,032.

    13F-HR 0001318757-26-000005 filed by MARSHALL WACE, LLP
    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 337,031 shares
    Change vs previous 13F +158,051 shares

    0.02% of the 13F portfolio, value $21,414,949.

    13F-HR 0001318757-26-000003 filed by MARSHALL WACE, LLP
    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 178,980 shares
    Change vs previous 13F +157,755 shares

    0.01% of the 13F portfolio, value $9,836,741.

    13F-HR 0001318757-25-000046 filed by MARSHALL WACE, LLP
    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 21,225 shares
    Change vs previous 13F -2,007,567 shares

    <0.01% of the 13F portfolio, value $701,274.

    13F-HR 0001318757-25-000034 filed by MARSHALL WACE, LLP
    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 2,028,792 shares
    Change vs previous 13F -124,521 shares

    0.11% of the 13F portfolio, value $81,537,153.

    13F-HR 0001318757-25-000023 filed by MARSHALL WACE, LLP
    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 2,153,313 shares
    Change vs previous 13F +279,612 shares

    0.13% of the 13F portfolio, value $101,291,843.

    13F-HR 0002048047-25-000005 filed by MARSHALL WACE, LLP
    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 1,873,701 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $98,931,412.

    13F-HR 0001318757-24-000018 filed by MARSHALL WACE, LLP
    Filed (acceptance time not in the bulk data set), ingested

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