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Rhenman & Partners Asset Management AB: ALNY position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rhenman & Partners Asset Management AB on ALNY, newest first. How the timeline and the estimate are built.

Rhenman & Partners Asset Management AB held 17,200 ALNY shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 17,200 shares
    Change vs previous 13F -17,265 shares

    0.49% of the 13F portfolio, value $5,177,716.

    13F-HR 0001213900-26-088652 filed by Rhenman & Partners Asset Management AB
    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 34,465 shares
    Change vs previous 13F -11,210 shares

    1.41% of the 13F portfolio, value $11,403,435.

    13F-HR 0001213900-26-056196 filed by Rhenman & Partners Asset Management AB
    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 45,675 shares
    Change vs previous 13F +13,800 shares

    1.7% of the 13F portfolio, value $18,162,664.

    13F-HR 0001213900-26-015821 filed by Rhenman & Partners Asset Management AB
    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 31,875 shares
    Change vs previous 13F -19,322 shares

    1.61% of the 13F portfolio, value $14,535,000.

    13F-HR 0001213900-25-109534 filed by Rhenman & Partners Asset Management AB
    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 51,197 shares
    Change vs previous 13F +3,000 shares

    2.11% of the 13F portfolio, value $16,694,830.

    13F-HR 0001213900-25-075249 filed by Rhenman & Partners Asset Management AB
    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 48,197 shares
    Change vs previous 13F +31,197 shares

    1.5% of the 13F portfolio, value $13,014,154.

    13F-HR 0001213900-25-042939 filed by Rhenman & Partners Asset Management AB
    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 17,000 shares
    Change vs previous 13F -33,350 shares

    0.41% of the 13F portfolio, value $4,000,270.

    13F-HR 0001213900-25-013150 filed by Rhenman & Partners Asset Management AB
    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 50,350 shares
    Change vs previous 13F not available

    1.12% of the 13F portfolio, value $13,847,761.

    13F-HR 0001213900-24-097092 filed by Rhenman & Partners Asset Management AB
    Filed (acceptance time not in the bulk data set), ingested

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