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TANG CAPITAL MANAGEMENT LLC: BLCO position timeline

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

TANG CAPITAL MANAGEMENT LLC held 0 BLCO shares at 2025-12-31 per its 13F-HR filed 2026-02-17.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -444,467 shares

    13F-HR 0001214659-26-002015 filed by TANG 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 ended2025-09-30
    13F 444,467 shares
    Change vs previous 13F -105,533 shares

    0.26% of the 13F portfolio, value $6,698,118.

    13F-HR 0001214659-25-016677 filed by TANG 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 ended2025-06-30
    13F 550,000 shares
    Change vs previous 13F 0 shares

    0.36% of the 13F portfolio, value $7,155,500.

    13F-HR 0001214659-25-012272 filed by TANG 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 ended2025-03-31
    13F 550,000 shares
    Change vs previous 13F +100,000 shares

    0.44% of the 13F portfolio, value $7,975,000.

    13F-HR 0001214659-25-007882 filed by TANG 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 ended2024-12-31
    13F 450,000 shares
    Change vs previous 13F +100,000 shares

    0.54% of the 13F portfolio, value $8,127,000.

    13F-HR 0001214659-25-002812 filed by TANG 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 350,000 shares
    Change vs previous 13F not available

    0.48% of the 13F portfolio, value $6,751,500.

    13F-HR 0001214659-24-019100 filed by TANG CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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