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HENNESSY ADVISORS INC: NBBK position timeline

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

HENNESSY ADVISORS INC held 178,000 NBBK 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 178,000 shares
    Change vs previous 13F -2,000 shares

    0.12% of the 13F portfolio, value $3,761,140.

    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 180,000 shares
    Change vs previous 13F -1,000 shares

    0.14% of the 13F portfolio, value $3,792,600.

    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 181,000 shares
    Change vs previous 13F -4,000 shares

    0.13% of the 13F portfolio, value $3,587,420.

    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 185,000 shares
    Change vs previous 13F +5,000 shares

    0.11% of the 13F portfolio, value $3,265,250.

    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 180,000 shares
    Change vs previous 13F -15,000 shares

    0.11% of the 13F portfolio, value $3,214,800.

    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 195,000 shares
    Change vs previous 13F -10,000 shares

    0.12% of the 13F portfolio, value $3,523,650.

    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 205,000 shares
    Change vs previous 13F +40,000 shares

    0.11% of the 13F portfolio, value $3,702,300.

    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 165,000 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $3,062,400.

    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).