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TANG CAPITAL MANAGEMENT LLC: MRNA position timeline

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

TANG CAPITAL MANAGEMENT LLC held 50,000 MRNA 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 50,000 shares
    Change vs previous 13F -50,000 shares

    0.16% of the 13F portfolio, value $3,501,500.

    13F-HR 0001214659-26-010416 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).

  2. period ended2026-03-31
    13F 100,000 shares
    Change vs previous 13F -592,820 shares

    0.26% of the 13F portfolio, value $5,080,000.

    13F-HR 0001214659-26-006493 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 ended2025-12-31
    13F 692,820 shares
    Change vs previous 13F +387,520 shares

    1.01% of the 13F portfolio, value $20,431,262.

    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).

  4. period ended2025-09-30
    13F 305,300 shares
    Change vs previous 13F 0 shares

    0.3% of the 13F portfolio, value $7,885,899.

    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).

  5. period ended2025-06-30
    13F 305,300 shares
    Change vs previous 13F 0 shares

    0.43% of the 13F portfolio, value $8,423,227.

    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).

  6. period ended2025-03-31
    13F 305,300 shares
    Change vs previous 13F +5,300 shares

    0.48% of the 13F portfolio, value $8,655,255.

    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).

  7. period ended2024-12-31
    13F 300,000 shares
    Change vs previous 13F not available

    0.83% of the 13F portfolio, value $12,474,000.

    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).