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Disclosery

Charles Schwab Trust Co: KOS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Charles Schwab Trust Co on KOS, newest first. How the timeline and the estimate are built.

Charles Schwab Trust Co held 13,769,666 KOS 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 13,769,666 shares
    Change vs previous 13F -365,782 shares

    <0.01% of the 13F portfolio, value $29,053,995.

    13F-HR 0001752724-26-000057 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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 14,135,448 shares
    Change vs previous 13F +2,089,855 shares

    0.01% of the 13F portfolio, value $39,296,545.

    13F-HR 0001752724-26-000037 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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 12,045,593 shares
    Change vs previous 13F +1,962,936 shares

    <0.01% of the 13F portfolio, value $10,930,171.

    13F-HR 0001752724-26-000003 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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 10,082,657 shares
    Change vs previous 13F +1,399,816 shares

    <0.01% of the 13F portfolio, value $16,737,211.

    13F-HR 0001752724-25-215019 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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 8,682,841 shares
    Change vs previous 13F +897,930 shares

    <0.01% of the 13F portfolio, value $14,934,487.

    13F-HR 0001752724-25-186359 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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/A 7,784,911 shares
    Change vs previous 13F +815,582 shares

    <0.01% of the 13F portfolio, value $17,749,597.

    13F-HR/A 0001752724-25-215014 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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 6,969,329 shares
    Change vs previous 13F +847,635 shares

    <0.01% of the 13F portfolio, value $23,835,105.

    13F-HR 0001752724-25-020817 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    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 6,121,694 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $24,670,427.

    13F-HR 0001752724-24-247180 filed by CHARLES SCHWAB INVESTMENT MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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