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Disclosery

ARIZONA STATE RETIREMENT SYSTEM: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ARIZONA STATE RETIREMENT SYSTEM on BRK-B, newest first. How the timeline and the estimate are built.

ARIZONA STATE RETIREMENT SYSTEM held 385,899 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 385,899 shares
    Change vs previous 13F +8,963 shares

    0.97% of the 13F portfolio, value $193,100,001.

    13F-HR 0000897069-26-001594 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 376,936 shares
    Change vs previous 13F -11,905 shares

    1.06% of the 13F portfolio, value $180,627,731.

    13F-HR 0000897069-26-000996 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 388,841 shares
    Change vs previous 13F -6,939 shares

    1.06% of the 13F portfolio, value $195,450,929.

    13F-HR 0000897069-26-000191 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 395,780 shares
    Change vs previous 13F +4,069 shares

    1.06% of the 13F portfolio, value $198,974,437.

    13F-HR 0000897069-25-001611 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 391,711 shares
    Change vs previous 13F +1,141 shares

    1.1% of the 13F portfolio, value $190,281,452.

    13F-HR 0000897069-25-001322 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 390,570 shares
    Change vs previous 13F +5,148 shares

    1.32% of the 13F portfolio, value $208,009,771.

    13F-HR 0000897069-25-000898 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 385,422 shares
    Change vs previous 13F +5,685 shares

    1.07% of the 13F portfolio, value $174,704,084.

    13F-HR 0000897069-25-000186 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 379,737 shares
    Change vs previous 13F not available

    1.1% of the 13F portfolio, value $174,777,752.

    13F-HR 0000897069-24-002139 filed by ARIZONA STATE RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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