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

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

RA CAPITAL MANAGEMENT, L.P. held 23,555,648 TSHA 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 23,555,648 shares
    Change vs previous 13F 0 shares

    1.39% of the 13F portfolio, value $160,413,963.

    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 23,555,648 shares
    Change vs previous 13F 0 shares

    1.12% of the 13F portfolio, value $105,293,747.

    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 23,555,648 shares
    Change vs previous 13F 0 shares

    1.33% of the 13F portfolio, value $129,556,064.

    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 23,555,648 shares
    Change vs previous 13F 0 shares

    0.95% of the 13F portfolio, value $77,026,969.

    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 23,555,648 shares
    Change vs previous 13F +12,683,145 shares

    0.92% of the 13F portfolio, value $54,413,547.

    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 10,872,503 shares
    Change vs previous 13F 0 shares

    0.25% of the 13F portfolio, value $15,112,779.

    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 10,872,503 shares
    Change vs previous 13F 0 shares

    0.25% of the 13F portfolio, value $18,809,430.

    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 10,872,503 shares
    Change vs previous 13F not available

    0.25% of the 13F portfolio, value $21,853,731.

    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).