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ARMSTRONG HENRY H ASSOCIATES INC: MDT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ARMSTRONG HENRY H ASSOCIATES INC on MDT, newest first. How the timeline and the estimate are built.

ARMSTRONG HENRY H ASSOCIATES INC held 86,445 MDT shares at 2026-09-30 per its 13F-HR filed 2026-10-07.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 86,445 shares
    Change vs previous 13F -7,835 shares

    0.67% of the 13F portfolio, value $7,459,346.

    13F-HR 0001056827-26-000005 filed by ARMSTRONG HENRY H ASSOCIATES INC
    Accepted , ingested

  2. period ended2026-06-30
    13F 94,280 shares
    Change vs previous 13F -5,329 shares

    0.71% of the 13F portfolio, value $7,375,526.

    13F-HR 0001056827-26-000004 filed by ARMSTRONG HENRY H ASSOCIATES INC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 99,609 shares
    Change vs previous 13F -320 shares

    0.88% of the 13F portfolio, value $8,631,095.

    13F-HR 0001056827-26-000002 filed by ARMSTRONG HENRY H ASSOCIATES INC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 99,929 shares
    Change vs previous 13F -8,198 shares

    0.89% of the 13F portfolio, value $9,599,222.

    13F-HR 0001056827-26-000001 filed by ARMSTRONG HENRY H ASSOCIATES INC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 108,127 shares
    Change vs previous 13F -1,215 shares

    0.93% of the 13F portfolio, value $10,298,040.

    13F-HR 0001056827-25-000006 filed by ARMSTRONG HENRY H ASSOCIATES INC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 109,342 shares
    Change vs previous 13F -11,238 shares

    0.9% of the 13F portfolio, value $9,531,339.

    13F-HR 0001056827-25-000005 filed by ARMSTRONG HENRY H ASSOCIATES INC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 120,580 shares
    Change vs previous 13F -2,164 shares

    1.05% of the 13F portfolio, value $10,835,287.

    13F-HR 0001056827-25-000003 filed by ARMSTRONG HENRY H ASSOCIATES INC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 122,744 shares
    Change vs previous 13F not available

    0.98% of the 13F portfolio, value $9,804,817.

    13F-HR 0001056827-25-000001 filed by ARMSTRONG HENRY H ASSOCIATES INC
    Filed (acceptance time not in the bulk data set), ingested

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