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Quantinno Capital Management LP: BRK-B position timeline

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

Quantinno Capital Management LP held 1,418,697 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 1,418,697 shares
    Change vs previous 13F +186,318 shares

    0.85% of the 13F portfolio, value $709,901,904.

    13F-HR 0001759654-26-000006 filed by Quantinno Capital Management LP
    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 1,232,379 shares
    Change vs previous 13F +287,995 shares

    0.99% of the 13F portfolio, value $590,556,467.

    13F-HR 0001759654-26-000004 filed by Quantinno Capital Management LP
    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 944,384 shares
    Change vs previous 13F +185,837 shares

    0.96% of the 13F portfolio, value $474,694,951.

    13F-HR 0001759654-26-000002 filed by Quantinno Capital Management LP
    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 758,547 shares
    Change vs previous 13F +185,395 shares

    1.04% of the 13F portfolio, value $381,352,155.

    13F-HR 0001759654-25-000012 filed by Quantinno Capital Management LP
    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 573,152 shares
    Change vs previous 13F +141,029 shares

    1.2% of the 13F portfolio, value $278,420,543.

    13F-HR 0001759654-25-000007 filed by Quantinno Capital Management LP
    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 432,123 shares
    Change vs previous 13F +181,821 shares

    1.5% of the 13F portfolio, value $230,140,446.

    13F-HR 0001759654-25-000005 filed by Quantinno Capital Management LP
    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 250,302 shares
    Change vs previous 13F +51,030 shares

    1.12% of the 13F portfolio, value $113,457,260.

    13F-HR 0001759654-25-000002 filed by Quantinno Capital Management LP
    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 199,272 shares
    Change vs previous 13F not available

    1.19% of the 13F portfolio, value $91,717,373.

    13F-HR 0001759654-24-000010 filed by Quantinno Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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