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RA CAPITAL MANAGEMENT, L.P.: FDMT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of RA CAPITAL MANAGEMENT, L.P. on FDMT, newest first. How the timeline and the estimate are built.

RA CAPITAL MANAGEMENT, L.P. held 5,049,779 FDMT 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 5,049,779 shares
    Change vs previous 13F 0 shares

    0.58% of the 13F portfolio, value $67,162,061.

    13F-HR 0001104659-26-097251 filed by RA CAPITAL MANAGEMENT, L.P.
    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 5,049,779 shares
    Change vs previous 13F -603,432 shares

    0.5% of the 13F portfolio, value $47,013,442.

    13F-HR 0001104659-26-062637 filed by RA CAPITAL MANAGEMENT, L.P.
    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 5,653,211 shares
    Change vs previous 13F +1,090,000 shares

    0.43% of the 13F portfolio, value $42,399,083.

    13F-HR 0001104659-26-016482 filed by RA CAPITAL MANAGEMENT, L.P.
    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 4,563,211 shares
    Change vs previous 13F 0 shares

    0.49% of the 13F portfolio, value $39,654,304.

    13F-HR 0001104659-25-112469 filed by RA CAPITAL MANAGEMENT, L.P.
    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 4,563,211 shares
    Change vs previous 13F 0 shares

    0.29% of the 13F portfolio, value $16,929,513.

    13F-HR 0001104659-25-078691 filed by RA CAPITAL MANAGEMENT, L.P.
    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 4,563,211 shares
    Change vs previous 13F 0 shares

    0.25% of the 13F portfolio, value $14,739,172.

    13F-HR 0001104659-25-049549 filed by RA CAPITAL MANAGEMENT, L.P.
    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 4,563,211 shares
    Change vs previous 13F -535,000 shares

    0.34% of the 13F portfolio, value $25,417,085.

    13F-HR 0001104659-25-014181 filed by RA CAPITAL MANAGEMENT, L.P.
    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 5,098,211 shares
    Change vs previous 13F not available

    0.64% of the 13F portfolio, value $55,111,661.

    13F-HR 0001104659-24-119034 filed by RA CAPITAL MANAGEMENT, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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