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ADAR1 Capital Management, LLC: SPRO position timeline

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

ADAR1 Capital Management, LLC held 0 SPRO shares at 2026-03-31 per its 13F-HR filed 2026-05-18.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -113,839 shares

    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).

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

  2. period ended2025-12-31
    13F/A 113,839 shares
    Change vs previous 13F -1,700 shares

    0.02% of the 13F portfolio, value $265,245.

    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).

  3. period ended2025-09-30
    13F 115,539 shares
    Change vs previous 13F -28,378 shares

    0.02% of the 13F portfolio, value $217,213.

    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).

  4. period ended2025-06-30
    13F 143,917 shares
    Change vs previous 13F -657,360 shares

    0.07% of the 13F portfolio, value $417,359.

    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).

  5. period ended2025-03-31
    13F 801,277 shares
    Change vs previous 13F 0 shares

    0.11% of the 13F portfolio, value $576,919.

    13F-HR 0001940272-25-000003 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).

  6. period ended2024-12-31
    13F 801,277 shares
    Change vs previous 13F +57,818 shares

    0.17% of the 13F portfolio, value $825,315.

    13F-HR 0001940272-25-000001 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).

  7. period ended2024-09-30
    13F 743,459 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $996,235.

    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).