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VANGUARD GROUP INC: CYTK position timeline

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

VANGUARD GROUP INC held 13,965,705 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 13,965,705 shares
    Change vs previous 13F +1,618,692 shares

    0.02% of the 13F portfolio, value $1,189,738,409.

    13F-HR 0002100121-26-001018 filed by VANGUARD PORTFOLIO MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD FIDUCIARY TRUST CO: 906,423 shares
    • Vanguard Investments Australia, Ltd.: 29,753 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 112,918 shares
    • Vanguard Personalized Indexing Management, LLC: 26,340 shares
    • Vanguard Global Advisers, LLC: 60,957 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 6,117,515 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 6,711,799 shares

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

  2. period ended2026-03-31
    13F/A 12,347,013 shares
    Change vs previous 13F +278,157 shares

    0.01% of the 13F portfolio, value $813,791,628.

    13F-HR 0002100121-26-000861 filed by VANGUARD PORTFOLIO MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD FIDUCIARY TRUST CO: 799,622 shares
    • Vanguard Investments Australia, Ltd.: 28,963 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 106,994 shares
    • Vanguard Personalized Indexing Management, LLC: 23,835 shares
    • Vanguard Global Advisers, LLC: 55,183 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 5,488,634 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 5,843,782 shares

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

  3. period ended2025-12-31
    13F 12,068,856 shares
    Change vs previous 13F +193,977 shares

    0.01% of the 13F portfolio, value $766,855,110.

    13F-HR 0000102909-26-000031 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD GROUP INC: 12,048,131 shares
    • Vanguard Personalized Indexing Management, LLC: 20,725 shares

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

  4. period ended2025-09-30
    13F 11,874,879 shares
    Change vs previous 13F -122,550 shares

    0.01% of the 13F portfolio, value $652,643,350.

    13F-HR 0000102909-25-000353 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD GROUP INC: 11,856,795 shares
    • Vanguard Personalized Indexing Management, LLC: 18,084 shares

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

  5. period ended2025-06-30
    13F 11,997,429 shares
    Change vs previous 13F +135,800 shares

    0.01% of the 13F portfolio, value $396,395,054.

    13F-HR 0001752724-25-185843 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD GROUP INC: 11,983,838 shares
    • Vanguard Personalized Indexing Management, LLC: 13,591 shares

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

  6. period ended2025-03-31
    13F 11,861,629 shares
    Change vs previous 13F -61,178 shares

    0.01% of the 13F portfolio, value $476,718,870.

    13F-HR 0001752724-25-099331 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD GROUP INC: 11,849,547 shares
    • Vanguard Personalized Indexing Management, LLC: 12,082 shares

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

  7. period ended2024-12-31
    13F 11,922,807 shares
    Change vs previous 13F +154,521 shares

    0.01% of the 13F portfolio, value $560,848,840.

    13F-HR 0001752724-25-022205 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD GROUP INC: 11,915,821 shares
    • Vanguard Personalized Indexing Management, LLC: 6,986 shares

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

  8. period ended2024-09-30
    13F 11,768,286 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $621,365,501.

    13F-HR 0001752724-24-248565 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD GROUP INC: 11,761,605 shares
    • Vanguard Personalized Indexing Management, LLC: 6,681 shares

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