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Sage Mountain Advisors LLC: BRK-A position timeline

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

Sage Mountain Advisors LLC held 3 BRK-A shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3 shares
    Change vs previous 13F 0 shares

    0.14% of the 13F portfolio, value $2,246,550.

    13F-HR 0001398344-26-013547 filed by Sage Mountain Advisors LLC
    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 3 shares
    Change vs previous 13F 0 shares

    0.15% of the 13F portfolio, value $2,154,420.

    13F-HR 0001398344-26-008901 filed by Sage Mountain 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 ended2025-12-31
    13F 3 shares
    Change vs previous 13F -2 shares

    0.12% of the 13F portfolio, value $2,264,400.

    13F-HR 0001398344-26-001120 filed by Sage Mountain 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 ended2025-09-30
    13F 5 shares
    Change vs previous 13F -1 shares

    0.22% of the 13F portfolio, value $3,771,000.

    13F-HR 0001398344-25-019993 filed by Sage Mountain 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 ended2025-06-30
    13F 6 shares
    Change vs previous 13F 0 shares

    0.28% of the 13F portfolio, value $4,372,800.

    13F-HR 0001398344-25-014219 filed by Sage Mountain 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 ended2025-03-31
    13F 6 shares
    Change vs previous 13F -2 shares

    0.35% of the 13F portfolio, value $4,790,650.

    13F-HR 0001398344-25-008521 filed by Sage Mountain 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 ended2024-12-31
    13F 8 shares
    Change vs previous 13F 0 shares

    0.4% of the 13F portfolio, value $5,447,360.

    13F-HR 0001398344-25-002201 filed by Sage Mountain 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 ended2024-09-30
    13F 8 shares
    Change vs previous 13F not available

    0.47% of the 13F portfolio, value $5,529,440.

    13F-HR 0001398344-24-019579 filed by Sage Mountain Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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