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Opaleye Management Inc.: MBX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Opaleye Management Inc. on MBX, newest first. How the timeline and the estimate are built.

Opaleye Management Inc. held 260,000 MBX 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 260,000 shares
    Change vs previous 13F 0 shares

    1.3% of the 13F portfolio, value $14,352,000.

    13F-HR 0001420506-26-001803 filed by Opaleye Management Inc.
    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 260,000 shares
    Change vs previous 13F 0 shares

    1.02% of the 13F portfolio, value $7,761,000.

    13F-HR 0001420506-26-001151 filed by Opaleye Management Inc.
    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 260,000 shares
    Change vs previous 13F +7,000 shares

    1.08% of the 13F portfolio, value $8,200,400.

    13F-HR/A 0001493152-26-016299 filed by Opaleye Management Inc.
    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 253,000 shares
    Change vs previous 13F +13,681 shares

    0.63% of the 13F portfolio, value $4,427,500.

    13F-HR 0001493152-25-023429 filed by Opaleye Management Inc.
    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/A 239,319 shares
    Change vs previous 13F -10,681 shares

    0.55% of the 13F portfolio, value $2,730,630.

    13F-HR/A 0001641172-25-024301 filed by Opaleye Management Inc.
    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 250,000 shares
    Change vs previous 13F not available

    0.41% of the 13F portfolio, value $1,845,000.

    13F-HR 0001641172-25-010914 filed by Opaleye Management Inc.
    Filed (acceptance time not in the bulk data set), ingested

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