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Disclosery

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

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

RA CAPITAL MANAGEMENT, L.P. held 12,723,026 ACRS 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 12,723,026 shares
    Change vs previous 13F +5,918,954 shares

    0.58% of the 13F portfolio, value $67,304,808.

    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 6,804,072 shares
    Change vs previous 13F +6,804,072 shares

    0.27% of the 13F portfolio, value $25,515,270.

    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 ended2025-06-30
    13F 0 shares
    Change vs previous 13F -4,666,667 shares

    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).

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

  4. period ended2025-03-31
    13F 4,666,667 shares
    Change vs previous 13F 0 shares

    0.12% of the 13F portfolio, value $7,140,001.

    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).

  5. period ended2024-12-31
    13F 4,666,667 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $11,573,334.

    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).