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Disclosery

ALLIANCEBERNSTEIN L.P.: KOS position timeline

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

ALLIANCEBERNSTEIN L.P. held 639,860 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 639,860 shares
    Change vs previous 13F +147,000 shares

    <0.01% of the 13F portfolio, value $1,778,811.

    13F-HR 0001109448-26-000261 filed by ALLIANCEBERNSTEIN L.P.
    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 492,860 shares
    Change vs previous 13F -18,500 shares

    <0.01% of the 13F portfolio, value $447,221.

    13F-HR 0001109448-26-000101 filed by ALLIANCEBERNSTEIN L.P.
    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 511,360 shares
    Change vs previous 13F +5,000 shares

    <0.01% of the 13F portfolio, value $464,008.

    13F-HR 0001109448-26-000021 filed by ALLIANCEBERNSTEIN L.P.
    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 506,360 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $840,558.

    13F-HR 0001109448-25-000079 filed by ALLIANCEBERNSTEIN L.P.
    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 506,360 shares
    Change vs previous 13F -309 shares

    <0.01% of the 13F portfolio, value $870,939.

    13F-HR 0001532155-25-000161 filed by ALLIANCEBERNSTEIN L.P.
    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 506,669 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $1,155,205.

    13F-HR 0001532155-25-000116 filed by ALLIANCEBERNSTEIN L.P.
    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 506,669 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $1,732,808.

    13F-HR 0001532155-25-000050 filed by ALLIANCEBERNSTEIN L.P.
    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 506,669 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,041,876.

    13F-HR 0001532155-24-000162 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

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