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ZAZOVE ASSOCIATES LLC: OPK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ZAZOVE ASSOCIATES LLC on OPK, newest first. How the timeline and the estimate are built.

ZAZOVE ASSOCIATES LLC held 100,000 OPK shares at 2026-06-30 per its 13F-HR filed 2026-07-16.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 100,000 shares
    Change vs previous 13F -50,000 shares

    0.01% of the 13F portfolio, value $150,000.

    13F-HR 0001420506-26-001244 filed by ZAZOVE ASSOCIATES 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/A 150,000 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $171,000.

    13F-HR/A 0001420506-26-001189 filed by ZAZOVE ASSOCIATES 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 150,000 shares
    Change vs previous 13F -57,600 shares

    0.02% of the 13F portfolio, value $189,000.

    13F-HR 0001009012-26-000003 filed by ZAZOVE ASSOCIATES 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 207,600 shares
    Change vs previous 13F 0 shares

    0.03% of the 13F portfolio, value $321,780.

    13F-HR 0001420506-25-002864 filed by ZAZOVE ASSOCIATES 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/A 207,600 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $274,032.

    13F-HR/A 0001420506-25-002116 filed by ZAZOVE ASSOCIATES 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 207,600 shares
    Change vs previous 13F +202,700 shares

    0.03% of the 13F portfolio, value $344,616.

    13F-HR 0001420506-25-000990 filed by ZAZOVE ASSOCIATES 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 4,900 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $7,203.

    13F-HR 0001420506-25-000348 filed by ZAZOVE ASSOCIATES LLC
    Filed (acceptance time not in the bulk data set), ingested

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