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NEW YORK STATE TEACHERS RETIREMENT SYSTEM: BRK-B position timeline

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

NEW YORK STATE TEACHERS RETIREMENT SYSTEM held 1,403,401 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,403,401 shares
    Change vs previous 13F -73,222 shares

    1.3% of the 13F portfolio, value $702,248,000.

    13F-HR 0000314969-26-000007 filed by NEW YORK STATE TEACHERS 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 1,476,623 shares
    Change vs previous 13F -636 shares

    1.44% of the 13F portfolio, value $707,598,000.

    13F-HR 0000314969-26-000005 filed by NEW YORK STATE TEACHERS 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 1,477,259 shares
    Change vs previous 13F -47,311 shares

    1.44% of the 13F portfolio, value $742,544,000.

    13F-HR 0000314969-26-000003 filed by NEW YORK STATE TEACHERS 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 1,524,570 shares
    Change vs previous 13F -21,274 shares

    1.5% of the 13F portfolio, value $766,462,000.

    13F-HR 0000314969-25-000014 filed by NEW YORK STATE TEACHERS 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 1,545,844 shares
    Change vs previous 13F -839 shares

    1.57% of the 13F portfolio, value $750,925,000.

    13F-HR 0000314969-25-000009 filed by NEW YORK STATE TEACHERS 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 1,546,683 shares
    Change vs previous 13F -72,105 shares

    1.9% of the 13F portfolio, value $823,732,000.

    13F-HR 0000314969-25-000005 filed by NEW YORK STATE TEACHERS 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 1,618,788 shares
    Change vs previous 13F -69,156 shares

    1.55% of the 13F portfolio, value $733,764,000.

    13F-HR 0000314969-25-000003 filed by NEW YORK STATE TEACHERS 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 1,687,944 shares
    Change vs previous 13F not available

    1.6% of the 13F portfolio, value $776,893,000.

    13F-HR 0000314969-24-000012 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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