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JOHN G ULLMAN & ASSOCIATES INC: MDU position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of JOHN G ULLMAN & ASSOCIATES INC on MDU, newest first. How the timeline and the estimate are built.

JOHN G ULLMAN & ASSOCIATES INC held 358,848 MDU shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 358,848 shares
    Change vs previous 13F -17,792 shares

    0.92% of the 13F portfolio, value $7,611,166.

    13F-HR 0000919530-26-000003 filed by JOHN G ULLMAN & ASSOCIATES INC
    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 376,640 shares
    Change vs previous 13F -12,780 shares

    1.03% of the 13F portfolio, value $7,803,981.

    13F-HR 0000919530-26-000002 filed by JOHN G ULLMAN & 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 ended2025-12-31
    13F 389,420 shares
    Change vs previous 13F -2,300 shares

    1.01% of the 13F portfolio, value $7,601,478.

    13F-HR 0000919530-26-000001 filed by JOHN G ULLMAN & 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 ended2025-09-30
    13F 391,720 shares
    Change vs previous 13F -2,577 shares

    0.94% of the 13F portfolio, value $6,976,533.

    13F-HR 0000919530-25-000006 filed by JOHN G ULLMAN & 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 ended2025-06-30
    13F 394,297 shares
    Change vs previous 13F -1,866 shares

    0.98% of the 13F portfolio, value $6,572,931.

    13F-HR 0000919530-25-000003 filed by JOHN G ULLMAN & 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 ended2025-03-31
    13F 396,163 shares
    Change vs previous 13F -1,631 shares

    1.03% of the 13F portfolio, value $6,699,116.

    13F-HR 0000919530-25-000002 filed by JOHN G ULLMAN & 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 ended2024-12-31
    13F 397,794 shares
    Change vs previous 13F -4,988 shares

    1.05% of the 13F portfolio, value $7,168,248.

    13F-HR 0000919530-25-000001 filed by JOHN G ULLMAN & 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 ended2024-09-30
    13F 402,782 shares
    Change vs previous 13F not available

    1.59% of the 13F portfolio, value $11,040,255.

    13F-HR 0000919530-24-000004 filed by JOHN G ULLMAN & ASSOCIATES INC
    Filed (acceptance time not in the bulk data set), ingested

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