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Auto-Owners Insurance Co: AMSF position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Auto-Owners Insurance Co on AMSF, newest first. How the timeline and the estimate are built.

Auto-Owners Insurance Co held 426,900 AMSF shares at 2026-06-30 per its 13F-HR filed 2026-07-15.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 426,900 shares
    Change vs previous 13F 0 shares

    0.33% of the 13F portfolio, value $14,442,027.

    13F-HR 0001964189-26-000004 filed by Auto-Owners 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 426,900 shares
    Change vs previous 13F 0 shares

    0.3% of the 13F portfolio, value $14,228,577.

    13F-HR 0001964189-26-000003 filed by Auto-Owners 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/A 426,900 shares
    Change vs previous 13F 0 shares

    0.34% of the 13F portfolio, value $16,397,229.

    13F-HR/A 0001964189-26-000002 filed by Auto-Owners 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/A 426,900 shares
    Change vs previous 13F 0 shares

    0.48% of the 13F portfolio, value $18,715,296.

    13F-HR/A 0001964189-25-000005 filed by Auto-Owners 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 426,900 shares
    Change vs previous 13F 0 shares

    0.42% of the 13F portfolio, value $18,668,337.

    13F-HR 0001964189-25-000002 filed by Auto-Owners 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 426,900 shares
    Change vs previous 13F 0 shares

    0.58% of the 13F portfolio, value $22,002,426.

    13F-HR 0001964189-25-000001 filed by Auto-Owners 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 426,900 shares
    Change vs previous 13F 0 shares

    0.5% of the 13F portfolio, value $22,002,426.

    13F-HR 0001964188-25-000003 filed by Auto-Owners 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 426,900 shares
    Change vs previous 13F not available

    0.5% of the 13F portfolio, value $20,632,077.

    13F-HR 0001964189-24-000005 filed by Auto-Owners Insurance Co
    Filed (acceptance time not in the bulk data set), ingested

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