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Disclosery

SECTOR GAMMA AS: AMGN position timeline

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

SECTOR GAMMA AS held 26,281 AMGN shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 26,281 shares
    Change vs previous 13F -20,874 shares

    2.06% of the 13F portfolio, value $9,516,876.

    13F-HR 0000945621-26-001027 filed by SECTOR GAMMA AS
    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 47,155 shares
    Change vs previous 13F -13,801 shares

    3.92% of the 13F portfolio, value $16,591,487.

    13F-HR 0000945621-26-000644 filed by SECTOR GAMMA AS
    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 60,956 shares
    Change vs previous 13F -500 shares

    4.55% of the 13F portfolio, value $19,951,508.

    13F-HR 0000945621-26-000283 filed by SECTOR GAMMA AS
    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 61,456 shares
    Change vs previous 13F +17,456 shares

    4.3% of the 13F portfolio, value $17,342,883.

    13F-HR 0000945621-25-001004 filed by SECTOR GAMMA AS
    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 44,000 shares
    Change vs previous 13F -15,000 shares

    4.02% of the 13F portfolio, value $12,285,240.

    13F-HR 0000945621-25-000646 filed by SECTOR GAMMA AS
    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 59,000 shares
    Change vs previous 13F +13,000 shares

    5.89% of the 13F portfolio, value $18,381,450.

    13F-HR 0000945621-25-000464 filed by SECTOR GAMMA AS
    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 46,000 shares
    Change vs previous 13F +30,000 shares

    4.12% of the 13F portfolio, value $11,989,440.

    13F-HR 0000945621-25-000153 filed by SECTOR GAMMA AS
    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 16,000 shares
    Change vs previous 13F not available

    1.56% of the 13F portfolio, value $5,155,360.

    13F-HR 0000945621-24-000926 filed by SECTOR GAMMA AS
    Filed (acceptance time not in the bulk data set), ingested

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