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Disclosery

Clare Market Investments LLC: BRK-B position timeline

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

Clare Market Investments LLC held 15,890 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-27.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 15,890 shares
    Change vs previous 13F -380 shares

    1.45% of the 13F portfolio, value $7,951,197.

    13F-HR 0002085853-26-000875 filed by Clare Market Investments 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 16,270 shares
    Change vs previous 13F -356 shares

    1.63% of the 13F portfolio, value $7,796,584.

    13F-HR 0002085853-26-000521 filed by Clare Market Investments LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 16,626 shares
    Change vs previous 13F +2,245 shares

    1.67% of the 13F portfolio, value $8,358,555.

    13F-HR 0002085853-25-000249 filed by Clare Market Investments LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 14,381 shares
    Change vs previous 13F +1,930 shares

    1.55% of the 13F portfolio, value $6,985,858.

    13F-HR 0001667731-25-000778 filed by Clare Market Investments LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 12,451 shares
    Change vs previous 13F +1,755 shares

    1.75% of the 13F portfolio, value $6,631,154.

    13F-HR 0001667731-25-000404 filed by Clare Market Investments LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 10,696 shares
    Change vs previous 13F -129 shares

    1.15% of the 13F portfolio, value $4,848,283.

    13F-HR 0001667731-25-000223 filed by Clare Market Investments LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 10,825 shares
    Change vs previous 13F not available

    1.31% of the 13F portfolio, value $4,982,315.

    13F-HR 0001667731-25-000312 filed by Clare Market Investments LLC
    Filed (acceptance time not in the bulk data set), ingested

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