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Disclosery

HENNESSY ADVISORS INC: AMGN position timeline

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

HENNESSY ADVISORS INC held 19,120 AMGN 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 19,120 shares
    Change vs previous 13F +7,070 shares

    0.22% of the 13F portfolio, value $6,923,734.

    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 12,050 shares
    Change vs previous 13F -1,050 shares

    0.15% of the 13F portfolio, value $4,239,793.

    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 13,100 shares
    Change vs previous 13F -650 shares

    0.15% of the 13F portfolio, value $4,287,761.

    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 13,750 shares
    Change vs previous 13F -100 shares

    0.13% of the 13F portfolio, value $3,880,250.

    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 13,850 shares
    Change vs previous 13F +150 shares

    0.13% of the 13F portfolio, value $3,867,059.

    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 13,700 shares
    Change vs previous 13F +350 shares

    0.14% of the 13F portfolio, value $4,268,235.

    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 13,350 shares
    Change vs previous 13F +250 shares

    0.1% of the 13F portfolio, value $3,479,544.

    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 13,100 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $4,220,951.

    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).