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Disclosery

1832 Asset Management L.P.: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of 1832 Asset Management L.P. on BRK-B, newest first. How the timeline and the estimate are built.

1832 Asset Management L.P. held 289,781 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 289,781 shares
    Change vs previous 13F -6,698 shares

    0.18% of the 13F portfolio, value $145,003,515.

    13F-HR 0001062993-26-004300 filed by 1832 Asset Management 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 296,479 shares
    Change vs previous 13F -1,986 shares

    0.19% of the 13F portfolio, value $142,072,737.

    13F-HR 0001062993-26-002620 filed by 1832 Asset Management 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 298,465 shares
    Change vs previous 13F +229,098 shares

    0.19% of the 13F portfolio, value $150,023,432.

    13F-HR 0001062993-26-000901 filed by 1832 Asset Management 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 69,367 shares
    Change vs previous 13F -22,113 shares

    0.06% of the 13F portfolio, value $34,873,566.

    13F-HR 0001062993-25-016818 filed by 1832 Asset Management 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 91,480 shares
    Change vs previous 13F -375,259 shares

    0.08% of the 13F portfolio, value $44,438,240.

    13F-HR 0001062993-25-014282 filed by 1832 Asset Management 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 466,739 shares
    Change vs previous 13F +153,503 shares

    0.47% of the 13F portfolio, value $248,575,857.

    13F-HR 0001062993-25-009332 filed by 1832 Asset Management 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 313,236 shares
    Change vs previous 13F +203,990 shares

    0.25% of the 13F portfolio, value $141,983,614.

    13F-HR 0001062993-25-002504 filed by 1832 Asset Management 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 109,246 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $50,281,564.

    13F-HR 0001062993-24-018988 filed by 1832 Asset Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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