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Disclosery

AMICA MUTUAL INSURANCE CO: TSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AMICA MUTUAL INSURANCE CO on TSM, newest first. How the timeline and the estimate are built.

AMICA MUTUAL INSURANCE CO held 24,206 TSM shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 24,206 shares
    Change vs previous 13F -1,086 shares

    0.96% of the 13F portfolio, value $11,560,000.

    13F-HR 0000857508-26-000004 filed by AMICA MUTUAL INSURANCE CO
    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 25,292 shares
    Change vs previous 13F -8,688 shares

    0.73% of the 13F portfolio, value $8,547,000.

    13F-HR 0000857508-26-000002 filed by AMICA MUTUAL INSURANCE CO
    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 33,980 shares
    Change vs previous 13F -5,003 shares

    0.9% of the 13F portfolio, value $10,326,000.

    13F-HR 0000857508-26-000001 filed by AMICA MUTUAL INSURANCE CO
    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 38,983 shares
    Change vs previous 13F -3,099 shares

    1% of the 13F portfolio, value $10,887,000.

    13F-HR 0000857508-25-000008 filed by AMICA MUTUAL INSURANCE CO
    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 42,082 shares
    Change vs previous 13F -2,123 shares

    0.92% of the 13F portfolio, value $9,531,000.

    13F-HR 0000857508-25-000005 filed by AMICA MUTUAL INSURANCE CO
    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 44,205 shares
    Change vs previous 13F -13,332 shares

    0.81% of the 13F portfolio, value $7,338,000.

    13F-HR 0000857508-25-000002 filed by AMICA MUTUAL INSURANCE CO
    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 57,537 shares
    Change vs previous 13F -3,965 shares

    1.16% of the 13F portfolio, value $11,363,000.

    13F-HR 0000857508-25-000001 filed by AMICA MUTUAL INSURANCE CO
    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 61,502 shares
    Change vs previous 13F not available

    1.03% of the 13F portfolio, value $10,681,000.

    13F-HR 0000857508-24-000006 filed by AMICA MUTUAL INSURANCE CO
    Filed (acceptance time not in the bulk data set), ingested

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