Skip to content
Disclosery

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

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

RA CAPITAL MANAGEMENT, L.P. held 0 RNAM shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -8,641,031 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 8,641,031 shares
    Change vs previous 13F 0 shares

    6.39% of the 13F portfolio, value $623,277,566.

    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).

  3. period ended2025-09-30
    13F 8,641,031 shares
    Change vs previous 13F +1,375,000 shares

    4.64% of the 13F portfolio, value $376,489,721.

    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).

  4. period ended2025-06-30
    13F 7,266,031 shares
    Change vs previous 13F +965,623 shares

    3.48% of the 13F portfolio, value $206,355,280.

    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).

  5. period ended2025-03-31
    13F 6,300,408 shares
    Change vs previous 13F 0 shares

    3.11% of the 13F portfolio, value $185,988,044.

    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).

  6. period ended2024-12-31
    13F 6,300,408 shares
    Change vs previous 13F 0 shares

    2.44% of the 13F portfolio, value $183,215,865.

    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).

  7. period ended2024-09-30
    13F 6,300,408 shares
    Change vs previous 13F not available

    3.34% of the 13F portfolio, value $289,377,739.

    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).