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Disclosery

AMICA MUTUAL INSURANCE CO: AMT position timeline

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

AMICA MUTUAL INSURANCE CO held 17,255 AMT 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 17,255 shares
    Change vs previous 13F -774 shares

    0.24% of the 13F portfolio, value $2,822,000.

    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 18,029 shares
    Change vs previous 13F 0 shares

    0.27% of the 13F portfolio, value $3,111,000.

    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 18,029 shares
    Change vs previous 13F 0 shares

    0.28% of the 13F portfolio, value $3,164,000.

    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 18,029 shares
    Change vs previous 13F 0 shares

    0.32% of the 13F portfolio, value $3,467,000.

    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 18,029 shares
    Change vs previous 13F 0 shares

    0.38% of the 13F portfolio, value $3,985,000.

    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 18,029 shares
    Change vs previous 13F 0 shares

    0.43% of the 13F portfolio, value $3,923,000.

    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 18,029 shares
    Change vs previous 13F 0 shares

    0.34% of the 13F portfolio, value $3,307,000.

    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 18,029 shares
    Change vs previous 13F not available

    0.41% of the 13F portfolio, value $4,193,000.

    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).