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Nantahala Capital Management, LLC: UPB position timeline

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

Nantahala Capital Management, LLC held 0 UPB shares at 2026-06-30 per its 13F-HR/A filed 2026-08-19.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 0 shares
    Change vs previous 13F -400,000 shares

    13F-HR/A 0001104659-26-098416 filed by Nantahala 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 ended2026-03-31
    13F 400,000 shares
    Change vs previous 13F -94,971 shares

    0.22% of the 13F portfolio, value $3,600,000.

    13F-HR 0001104659-26-062659 filed by Nantahala 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 494,971 shares
    Change vs previous 13F -100,000 shares

    0.8% of the 13F portfolio, value $13,438,463.

    13F-HR 0001104659-26-015271 filed by Nantahala 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 594,971 shares
    Change vs previous 13F 0 shares

    0.69% of the 13F portfolio, value $11,191,405.

    13F-HR 0001104659-25-112624 filed by Nantahala 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 594,971 shares
    Change vs previous 13F 0 shares

    0.46% of the 13F portfolio, value $6,532,782.

    13F-HR 0001104659-25-078700 filed by Nantahala 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 594,971 shares
    Change vs previous 13F -5,029 shares

    0.3% of the 13F portfolio, value $3,641,223.

    13F-HR 0001104659-25-049574 filed by Nantahala 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 ended2024-12-31
    13F 600,000 shares
    Change vs previous 13F not available

    0.69% of the 13F portfolio, value $9,864,000.

    13F-HR 0001104659-25-014223 filed by Nantahala Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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