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Disclosery

S&CO INC: BATRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of S&CO INC on BATRK, newest first. How the timeline and the estimate are built.

S&CO INC held 19,481 BATRK shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 19,481 shares
    Change vs previous 13F -84 shares

    0.06% of the 13F portfolio, value $1,011,000.

    13F-HR 0001082461-26-000003 filed by S&CO INC
    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 19,565 shares
    Change vs previous 13F -473 shares

    0.05% of the 13F portfolio, value $835,000.

    13F-HR 0001082461-26-000002 filed by S&CO INC
    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 20,038 shares
    Change vs previous 13F -4,042 shares

    0.05% of the 13F portfolio, value $790,000.

    13F-HR 0001082461-26-000001 filed by S&CO INC
    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 24,080 shares
    Change vs previous 13F -277 shares

    0.06% of the 13F portfolio, value $1,001,000.

    13F-HR 0001082461-25-000005 filed by S&CO INC
    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 24,357 shares
    Change vs previous 13F +5 shares

    0.07% of the 13F portfolio, value $1,139,000.

    13F-HR 0001082461-25-000003 filed by S&CO INC
    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 24,352 shares
    Change vs previous 13F -1,096 shares

    0.07% of the 13F portfolio, value $974,000.

    13F-HR 0001082461-25-000002 filed by S&CO INC
    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 25,448 shares
    Change vs previous 13F -2 shares

    0.07% of the 13F portfolio, value $973,000.

    13F-HR 0001082461-25-000001 filed by S&CO INC
    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 25,450 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $1,012,000.

    13F-HR 0001082461-24-000005 filed by S&CO INC
    Filed (acceptance time not in the bulk data set), ingested

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