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Disclosery

RHUMBLINE ADVISERS: KOS position timeline

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

RHUMBLINE ADVISERS held 717,198 KOS shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 717,198 shares
    Change vs previous 13F +127,098 shares

    <0.01% of the 13F portfolio, value $1,513,279.

    13F-HR 0001115418-26-000005 filed by RHUMBLINE ADVISERS
    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 590,100 shares
    Change vs previous 13F -22,864 shares

    <0.01% of the 13F portfolio, value $1,640,469.

    13F-HR 0001115418-26-000003 filed by RHUMBLINE ADVISERS
    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 612,964 shares
    Change vs previous 13F -95,212 shares

    <0.01% of the 13F portfolio, value $555,947.

    13F-HR 0001115418-26-000002 filed by RHUMBLINE ADVISERS
    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 708,176 shares
    Change vs previous 13F -10,778 shares

    <0.01% of the 13F portfolio, value $1,175,561.

    13F-HR 0001115418-25-000021 filed by RHUMBLINE ADVISERS
    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 718,954 shares
    Change vs previous 13F +52,750 shares

    <0.01% of the 13F portfolio, value $1,236,590.

    13F-HR 0001115418-25-000017 filed by RHUMBLINE ADVISERS
    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 666,204 shares
    Change vs previous 13F +85,431 shares

    <0.01% of the 13F portfolio, value $1,518,936.

    13F-HR/A 0001115418-25-000005 filed by RHUMBLINE ADVISERS
    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/A 580,773 shares
    Change vs previous 13F -24,695 shares

    <0.01% of the 13F portfolio, value $1,986,234.

    13F-HR/A 0001115418-25-000006 filed by RHUMBLINE ADVISERS
    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 605,468 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,440,025.

    13F-HR 0001115418-24-000011 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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