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Disclosery

Zurcher Kantonalbank (Zurich Cantonalbank): KOS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Zurcher Kantonalbank (Zurich Cantonalbank) on KOS, newest first. How the timeline and the estimate are built.

Zurcher Kantonalbank (Zurich Cantonalbank) held 226,708 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 226,708 shares
    Change vs previous 13F +147,110 shares

    <0.01% of the 13F portfolio, value $478,354.

    13F-HR 0001368163-26-000004 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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 79,598 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $221,282.

    13F-HR 0001368163-26-000002 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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 79,598 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $72,227.

    13F-HR 0000947871-26-000067 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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 79,598 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $132,133.

    13F-HR 0000947871-25-001007 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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 79,598 shares
    Change vs previous 13F -73,977 shares

    <0.01% of the 13F portfolio, value $136,909.

    13F-HR 0000947871-25-000725 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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 153,575 shares
    Change vs previous 13F +36,215 shares

    <0.01% of the 13F portfolio, value $350,151.

    13F-HR 0000947871-25-000457 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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 117,360 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $401,371.

    13F-HR 0000947871-25-000115 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    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/A 117,360 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $472,961.

    13F-HR/A 0000947871-24-000889 filed by Zurcher Kantonalbank (Zurich Cantonalbank)
    Filed (acceptance time not in the bulk data set), ingested

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