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Disclosery

ADAR1 Capital Management, LLC: PRTA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ADAR1 Capital Management, LLC on PRTA, newest first. How the timeline and the estimate are built.

ADAR1 Capital Management, LLC held 1,554,535 PRTA 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 1,554,535 shares
    Change vs previous 13F -26,908 shares

    0.72% of the 13F portfolio, value $15,218,898.

    13F-HR 0001940272-26-000015 filed by ADAR1 Capital Management, LLC
    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 1,581,443 shares
    Change vs previous 13F +123,679 shares

    0.92% of the 13F portfolio, value $15,371,626.

    13F-HR 0001940272-26-000005 filed by ADAR1 Capital Management, LLC
    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/A 1,457,764 shares
    Change vs previous 13F -11,334 shares

    1.04% of the 13F portfolio, value $13,921,646.

    13F-HR/A 0001940272-26-000003 filed by ADAR1 Capital Management, LLC
    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 1,469,098 shares
    Change vs previous 13F -1,905,911 shares

    1.42% of the 13F portfolio, value $14,338,396.

    13F-HR 0001940272-25-000008 filed by ADAR1 Capital Management, LLC
    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 3,375,009 shares
    Change vs previous 13F +3,375,009 shares

    3.33% of the 13F portfolio, value $20,486,305.

    13F-HR 0001940272-25-000005 filed by ADAR1 Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-09-30
    13F 0 shares
    Change vs previous 13F not available

    13F-HR 0001940267-24-000005 filed by ADAR1 Capital Management, LLC
    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.