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Nautilus Advisors LLC: BRK-B position timeline

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

Nautilus Advisors LLC held 2,930 BRK-B shares at 2026-09-30 per its 13F-HR filed 2026-10-07.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 2,930 shares
    Change vs previous 13F -99 shares

    0.88% of the 13F portfolio, value $1,458,994.

    13F-HR 0002083253-26-000002 filed by Nautilus Advisors LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 3,029 shares
    Change vs previous 13F -2,209 shares

    0.88% of the 13F portfolio, value $1,495,448.

    13F-HR 0001214659-26-008504 filed by Nautilus Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 5,238 shares
    Change vs previous 13F +47 shares

    1.72% of the 13F portfolio, value $2,510,050.

    13F-HR 0001214659-26-004760 filed by Nautilus Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 5,191 shares
    Change vs previous 13F +159 shares

    1.7% of the 13F portfolio, value $2,609,256.

    13F-HR 0001214659-26-000734 filed by Nautilus Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 5,032 shares
    Change vs previous 13F +885 shares

    1.7% of the 13F portfolio, value $2,529,788.

    13F-HR 0001214659-25-016306 filed by Nautilus Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 4,147 shares
    Change vs previous 13F +1,238 shares

    1.48% of the 13F portfolio, value $2,014,488.

    13F-HR 0001214659-25-012726 filed by Nautilus Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 2,909 shares
    Change vs previous 13F +1,501 shares

    1.28% of the 13F portfolio, value $1,549,275.

    13F-HR 0001214659-25-012725 filed by Nautilus Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 1,408 shares
    Change vs previous 13F not available

    0.51% of the 13F portfolio, value $638,218.

    13F-HR 0001214659-25-012724 filed by Nautilus Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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