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RTW INVESTMENTS, LP: IMTX position timeline

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

RTW INVESTMENTS, LP held 12,946,176 IMTX 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 12,946,176 shares
    Change vs previous 13F +76,836 shares

    1.12% of the 13F portfolio, value $131,144,763.

    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 12,869,340 shares
    Change vs previous 13F +1,435,986 shares

    1.26% of the 13F portfolio, value $126,634,306.

    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 11,433,354 shares
    Change vs previous 13F +2,617,737 shares

    1.2% of the 13F portfolio, value $120,050,217.

    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 8,815,617 shares
    Change vs previous 13F +1,845,465 shares

    0.93% of the 13F portfolio, value $75,109,057.

    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 6,970,152 shares
    Change vs previous 13F +60,642 shares

    0.53% of the 13F portfolio, value $37,499,418.

    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 6,909,510 shares
    Change vs previous 13F +368,970 shares

    0.48% of the 13F portfolio, value $31,161,890.

    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 6,540,540 shares
    Change vs previous 13F -3,459,460 shares

    0.7% of the 13F portfolio, value $46,503,239.

    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 10,000,000 shares
    Change vs previous 13F not available

    1.65% of the 13F portfolio, value $114,100,000.

    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).