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OPTIMUM INVESTMENT ADVISORS: BRK-B position timeline

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

OPTIMUM INVESTMENT ADVISORS held 4,085 BRK-B shares at 2025-09-30 per its 13F-HR filed 2025-10-21.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 4,085 shares
    Change vs previous 13F -70 shares

    0.81% of the 13F portfolio, value $2,053,693.

    13F-HR 0001580642-25-006637 filed by OPTIMUM INVESTMENT ADVISORS
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-06-30
    13F 4,155 shares
    Change vs previous 13F +200 shares

    0.88% of the 13F portfolio, value $2,018,374.

    13F-HR 0001580642-25-004652 filed by OPTIMUM INVESTMENT ADVISORS
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-03-31
    13F 3,955 shares
    Change vs previous 13F +200 shares

    0.99% of the 13F portfolio, value $2,106,354.

    13F-HR 0001580642-25-002640 filed by OPTIMUM INVESTMENT ADVISORS
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2024-12-31
    13F 3,755 shares
    Change vs previous 13F 0 shares

    0.75% of the 13F portfolio, value $1,702,066.

    13F-HR 0001580642-25-000952 filed by OPTIMUM INVESTMENT ADVISORS
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-09-30
    13F 3,755 shares
    Change vs previous 13F -50 shares

    0.75% of the 13F portfolio, value $1,728,276.

    13F-HR 0001580642-24-006190 filed by OPTIMUM INVESTMENT ADVISORS
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-06-30
    13F 3,805 shares
    Change vs previous 13F 0 shares

    0.69% of the 13F portfolio, value $1,547,874.

    13F-HR 0001580642-24-003677 filed by OPTIMUM INVESTMENT ADVISORS
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-03-31
    13F 3,805 shares
    Change vs previous 13F 0 shares

    0.73% of the 13F portfolio, value $1,600,079.

    13F-HR 0001580642-24-002122 filed by OPTIMUM INVESTMENT ADVISORS
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2023-12-31
    13F 3,805 shares
    Change vs previous 13F not available

    0.68% of the 13F portfolio, value $1,357,091.

    13F-HR 0001580642-24-000123 filed by OPTIMUM INVESTMENT ADVISORS
    Filed (acceptance time not in the bulk data set), ingested

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