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RTW INVESTMENTS, LP: ALKS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of RTW INVESTMENTS, LP on ALKS, newest first. How the timeline and the estimate are built.

RTW INVESTMENTS, LP held 1,672,356 ALKS shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,672,356 shares
    Change vs previous 13F 0 shares

    0.75% of the 13F portfolio, value $87,623,093.

    13F-HR 0001493215-26-000164 filed by RTW INVESTMENTS, LP
    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 1,672,356 shares
    Change vs previous 13F 0 shares

    0.59% of the 13F portfolio, value $59,134,508.

    13F-HR 0001493215-26-000130 filed by RTW INVESTMENTS, LP
    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 1,672,356 shares
    Change vs previous 13F 0 shares

    0.47% of the 13F portfolio, value $46,792,521.

    13F-HR 0001493215-26-000060 filed by RTW INVESTMENTS, LP
    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 1,672,356 shares
    Change vs previous 13F -3,009,933 shares

    0.62% of the 13F portfolio, value $50,170,680.

    13F-HR 0001493215-25-000054 filed by RTW INVESTMENTS, LP
    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 4,682,289 shares
    Change vs previous 13F -2,202,409 shares

    1.91% of the 13F portfolio, value $133,960,288.

    13F-HR 0001493215-25-000007 filed by RTW INVESTMENTS, LP
    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 6,884,698 shares
    Change vs previous 13F -673,137 shares

    3.48% of the 13F portfolio, value $227,332,728.

    13F-HR 0001493215-25-000003 filed by RTW INVESTMENTS, LP
    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 7,557,835 shares
    Change vs previous 13F +903,802 shares

    3.29% of the 13F portfolio, value $217,363,335.

    13F-HR 0001493152-25-006608 filed by RTW INVESTMENTS, LP
    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 6,654,033 shares
    Change vs previous 13F not available

    2.69% of the 13F portfolio, value $186,246,384.

    13F-HR 0001493152-24-045409 filed by RTW INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

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