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Disclosery

S&CO INC: BSX position timeline

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

S&CO INC held 169,791 BSX 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 169,791 shares
    Change vs previous 13F 0 shares

    0.42% of the 13F portfolio, value $7,246,000.

    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 169,791 shares
    Change vs previous 13F -1,090 shares

    0.66% of the 13F portfolio, value $10,654,000.

    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 170,881 shares
    Change vs previous 13F -2,395 shares

    1.01% of the 13F portfolio, value $16,293,000.

    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 173,276 shares
    Change vs previous 13F -3,510 shares

    1.04% of the 13F portfolio, value $16,916,000.

    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 176,786 shares
    Change vs previous 13F -937 shares

    1.22% of the 13F portfolio, value $18,988,000.

    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 177,723 shares
    Change vs previous 13F +16,584 shares

    1.2% of the 13F portfolio, value $17,928,000.

    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 161,139 shares
    Change vs previous 13F -1,500 shares

    0.98% of the 13F portfolio, value $14,392,000.

    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 162,639 shares
    Change vs previous 13F not available

    0.89% of the 13F portfolio, value $13,629,000.

    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).