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Disclosery

ALLIANCEBERNSTEIN L.P.: BRK-B position timeline

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

ALLIANCEBERNSTEIN L.P. held 3,623,068 BRK-B 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 3,623,068 shares
    Change vs previous 13F -749,859 shares

    0.57% of the 13F portfolio, value $1,736,174,186.

    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 4,372,927 shares
    Change vs previous 13F +894,634 shares

    0.71% of the 13F portfolio, value $2,198,051,757.

    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 3,478,293 shares
    Change vs previous 13F -63,118 shares

    0.55% of the 13F portfolio, value $1,748,363,976.

    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 3,541,411 shares
    Change vs previous 13F -167,546 shares

    0.56% of the 13F portfolio, value $1,780,408,966.

    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 3,708,957 shares
    Change vs previous 13F +471,705 shares

    0.59% of the 13F portfolio, value $1,801,700,042.

    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 3,237,252 shares
    Change vs previous 13F -428,475 shares

    0.62% of the 13F portfolio, value $1,724,095,670.

    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 3,665,727 shares
    Change vs previous 13F +232,968 shares

    0.56% of the 13F portfolio, value $1,661,600,735.

    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 3,432,759 shares
    Change vs previous 13F not available

    0.53% of the 13F portfolio, value $1,579,961,657.

    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).