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Disclosery

Zurcher Kantonalbank (Zurich Cantonalbank): BRK-B position timeline

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

Zurcher Kantonalbank (Zurich Cantonalbank) held 589,802 BRK-B 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 589,802 shares
    Change vs previous 13F +241,245 shares

    0.57% of the 13F portfolio, value $295,131,023.

    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 348,557 shares
    Change vs previous 13F +6,662 shares

    0.36% of the 13F portfolio, value $167,028,514.

    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 341,895 shares
    Change vs previous 13F +9,263 shares

    0.37% of the 13F portfolio, value $171,853,522.

    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 332,632 shares
    Change vs previous 13F +19,748 shares

    0.38% of the 13F portfolio, value $167,227,412.

    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 312,884 shares
    Change vs previous 13F +24,468 shares

    0.37% of the 13F portfolio, value $151,989,661.

    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 288,416 shares
    Change vs previous 13F +10,581 shares

    0.44% of the 13F portfolio, value $153,604,593.

    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 277,835 shares
    Change vs previous 13F +18,131 shares

    0.36% of the 13F portfolio, value $125,937,048.

    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 259,704 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $119,531,363.

    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).