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Disclosery

I.G.Y. Ltd: BRK-A position timeline

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

I.G.Y. Ltd held 65 BRK-A shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 65 shares
    Change vs previous 13F 0 shares

    19.85% of the 13F portfolio, value $48,675,250.

    13F-HR 0000919574-26-004670 filed by I.G.Y. Ltd
    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 65 shares
    Change vs previous 13F 0 shares

    19.84% of the 13F portfolio, value $46,679,100.

    13F-HR 0000919574-26-002858 filed by I.G.Y. Ltd
    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 65 shares
    Change vs previous 13F 0 shares

    20.85% of the 13F portfolio, value $49,062,000.

    13F-HR 0000919574-26-000996 filed by I.G.Y. Ltd
    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 65 shares
    Change vs previous 13F -9 shares

    20.54% of the 13F portfolio, value $49,023,000.

    13F-HR 0000919574-25-006808 filed by I.G.Y. Ltd
    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 74 shares
    Change vs previous 13F 0 shares

    21.6% of the 13F portfolio, value $53,931,200.

    13F-HR 0000919574-25-004641 filed by I.G.Y. Ltd
    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 74 shares
    Change vs previous 13F -1 shares

    24.91% of the 13F portfolio, value $59,084,678.

    13F-HR 0000919574-25-003089 filed by I.G.Y. Ltd
    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 75 shares
    Change vs previous 13F -6 shares

    21.28% of the 13F portfolio, value $51,069,000.

    13F-HR 0000919574-25-001219 filed by I.G.Y. 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 81 shares
    Change vs previous 13F not available

    24.68% of the 13F portfolio, value $55,985,580.

    13F-HR 0000919574-24-006530 filed by I.G.Y. Ltd
    Filed (acceptance time not in the bulk data set), ingested

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