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Disclosery

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

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

RA CAPITAL MANAGEMENT, L.P. held 13,011,849 ALXO 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 13,011,849 shares
    Change vs previous 13F 0 shares

    0.23% of the 13F portfolio, value $26,934,527.

    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 13,011,849 shares
    Change vs previous 13F not available

    0.28% of the 13F portfolio, value $26,088,757.

    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).