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RTW INVESTMENTS, LP: VSTM position timeline

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

RTW INVESTMENTS, LP held 6,635,793 VSTM 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 6,635,793 shares
    Change vs previous 13F +59,487 shares

    0.22% of the 13F portfolio, value $25,348,729.

    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 6,576,306 shares
    Change vs previous 13F 0 shares

    0.35% of the 13F portfolio, value $34,854,422.

    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 6,576,306 shares
    Change vs previous 13F +1,150,000 shares

    0.51% of the 13F portfolio, value $50,769,082.

    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 5,426,306 shares
    Change vs previous 13F +1,174,690 shares

    0.59% of the 13F portfolio, value $47,914,282.

    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 4,251,616 shares
    Change vs previous 13F +6,140 shares

    0.25% of the 13F portfolio, value $17,644,206.

    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 4,245,476 shares
    Change vs previous 13F not available

    0.39% of the 13F portfolio, value $25,600,220.

    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).