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RTW INVESTMENTS, LP: MIST position timeline

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

RTW INVESTMENTS, LP held 7,833,336 MIST 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 7,833,336 shares
    Change vs previous 13F +1,502,335 shares

    0.09% of the 13F portfolio, value $10,496,670.

    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 6,331,001 shares
    Change vs previous 13F +3,824,899 shares

    0.07% of the 13F portfolio, value $7,533,891.

    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 2,506,102 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $5,062,326.

    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 2,506,102 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $5,012,204.

    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 2,506,102 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $4,861,838.

    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 2,506,102 shares
    Change vs previous 13F 0 shares

    0.03% of the 13F portfolio, value $2,005,132.

    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 2,506,102 shares
    Change vs previous 13F -750,000 shares

    0.09% of the 13F portfolio, value $5,914,401.

    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 3,256,102 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $4,949,275.

    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).