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Disclosery

MIZUHO FINANCIAL GROUP INC: BRK-B position timeline

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

MIZUHO FINANCIAL GROUP INC held 216,529 BRK-B shares at 2026-06-30 per its 13F-HR/A filed 2026-07-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 216,529 shares
    Change vs previous 13F +105,672 shares

    0.92% of the 13F portfolio, value $108,348,946.

    13F-HR/A 0001062993-26-003864 filed by MIZUHO SECURITIES USA LLC
    Filed (acceptance time not in the bulk data set), ingested

    • MIZUHO SECURITIES USA LLC: 143,529 shares
    • MIZUHO MARKETS AMERICAS LLC: 73,000 shares

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

  2. period ended2026-03-31
    13F 110,857 shares
    Change vs previous 13F -22,664 shares

    1.25% of the 13F portfolio, value $53,122,674.

    13F-HR 0001062993-26-002466 filed by MIZUHO SECURITIES USA 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 133,521 shares
    Change vs previous 13F -36 shares

    1.13% of the 13F portfolio, value $68,604,425.

    13F-HR 0001062993-26-000693 filed by MIZUHO SECURITIES USA 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 133,557 shares
    Change vs previous 13F +6,819 shares

    1.36% of the 13F portfolio, value $67,176,500.

    13F-HR 0001062993-25-016264 filed by MIZUHO SECURITIES USA 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 126,738 shares
    Change vs previous 13F +126,738 shares

    1.31% of the 13F portfolio, value $61,565,518.

    13F-HR 0001062993-25-013451 filed by MIZUHO SECURITIES USA 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 0 shares
    Change vs previous 13F -430 shares

    13F-HR 0000950123-25-005041 filed by Mizuho Bank, Ltd.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  7. period ended2024-12-31
    13F 430 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $194,910.

    13F-HR 0000950123-25-001894 filed by Mizuho Bank, Ltd.
    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 430 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $197,912.

    13F-HR 0000950123-24-011062 filed by Mizuho Bank, Ltd.
    Filed (acceptance time not in the bulk data set), ingested

    • Mizuho Bank, Ltd.: 430 shares
    • MIZUHO MARKETS AMERICAS LLC: 0 shares

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