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ADAR1 Capital Management, LLC: SEPN position timeline

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

ADAR1 Capital Management, LLC held 940,747 SEPN 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 940,747 shares
    Change vs previous 13F -149,071 shares

    1.48% of the 13F portfolio, value $31,505,617.

    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 1,089,818 shares
    Change vs previous 13F -67,793 shares

    1.57% of the 13F portfolio, value $26,188,327.

    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 1,157,611 shares
    Change vs previous 13F -18,880 shares

    2.41% of the 13F portfolio, value $32,274,195.

    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 1,176,491 shares
    Change vs previous 13F +329,264 shares

    2.19% of the 13F portfolio, value $22,129,796.

    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 847,227 shares
    Change vs previous 13F +126,379 shares

    1.45% of the 13F portfolio, value $8,955,189.

    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 ended2025-03-31
    13F 720,848 shares
    Change vs previous 13F not available

    0.8% of the 13F portfolio, value $4,173,710.

    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).