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HENNESSY ADVISORS INC: MDU position timeline

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

HENNESSY ADVISORS INC held 179,707 MDU shares at 2026-06-30 per its 13F-HR filed 2026-07-16.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 179,707 shares
    Change vs previous 13F 0 shares

    0.12% of the 13F portfolio, value $3,811,585.

    13F-HR 0000897069-26-001507 filed by HENNESSY ADVISORS 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 179,707 shares
    Change vs previous 13F 0 shares

    0.13% of the 13F portfolio, value $3,723,529.

    13F-HR 0000897069-26-000920 filed by HENNESSY ADVISORS 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 179,707 shares
    Change vs previous 13F -5,200 shares

    0.12% of the 13F portfolio, value $3,507,881.

    13F-HR 0000897069-26-000187 filed by HENNESSY ADVISORS 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 184,907 shares
    Change vs previous 13F -1,621,300 shares

    0.11% of the 13F portfolio, value $3,293,194.

    13F-HR 0000897069-25-001587 filed by HENNESSY ADVISORS 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 1,806,207 shares
    Change vs previous 13F -171,200 shares

    1% of the 13F portfolio, value $30,109,471.

    13F-HR 0000897069-25-001186 filed by HENNESSY ADVISORS 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 1,977,407 shares
    Change vs previous 13F -177,600 shares

    1.11% of the 13F portfolio, value $33,437,952.

    13F-HR 0000897069-25-000822 filed by HENNESSY ADVISORS 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 2,155,007 shares
    Change vs previous 13F +1,975,200 shares

    1.16% of the 13F portfolio, value $38,833,226.

    13F-HR 0000897069-25-000103 filed by HENNESSY ADVISORS 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 179,807 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $4,928,510.

    13F-HR 0000897069-24-001965 filed by HENNESSY ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

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