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Auto-Owners Insurance Co: MMM position timeline

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

Auto-Owners Insurance Co held 58,790 MMM 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 58,790 shares
    Change vs previous 13F -32,100 shares

    0.21% of the 13F portfolio, value $9,518,689.

    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 90,890 shares
    Change vs previous 13F 0 shares

    0.28% of the 13F portfolio, value $13,199,955.

    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 90,890 shares
    Change vs previous 13F +32,100 shares

    0.31% of the 13F portfolio, value $14,551,489.

    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 58,790 shares
    Change vs previous 13F -295,700 shares

    0.24% of the 13F portfolio, value $9,123,032.

    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 354,490 shares
    Change vs previous 13F 0 shares

    1.2% of the 13F portfolio, value $53,967,558.

    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 354,490 shares
    Change vs previous 13F -32,100 shares

    1.22% of the 13F portfolio, value $45,761,114.

    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 386,590 shares
    Change vs previous 13F +32,100 shares

    1.13% of the 13F portfolio, value $49,904,903.

    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 354,490 shares
    Change vs previous 13F not available

    1.19% of the 13F portfolio, value $48,458,783.

    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).