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MARATHON CAPITAL MANAGEMENT: KOPN position timeline

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

MARATHON CAPITAL MANAGEMENT held 10,000 KOPN shares at 2026-06-30 per its 13F-HR filed 2026-07-22.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 10,000 shares
    Change vs previous 13F -15,000 shares

    0.01% of the 13F portfolio, value $44,800.

    13F-HR 0001172661-26-002744 filed by MARATHON CAPITAL MANAGEMENT
    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 25,000 shares
    Change vs previous 13F -5,000 shares

    0.01% of the 13F portfolio, value $56,250.

    13F-HR 0001172661-26-001839 filed by MARATHON CAPITAL MANAGEMENT
    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 30,000 shares
    Change vs previous 13F -2,500 shares

    0.02% of the 13F portfolio, value $70,200.

    13F-HR 0001172661-26-000374 filed by MARATHON CAPITAL MANAGEMENT
    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 32,500 shares
    Change vs previous 13F +2,500 shares

    0.02% of the 13F portfolio, value $78,975.

    13F-HR 0001172661-25-004808 filed by MARATHON CAPITAL MANAGEMENT
    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 30,000 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $45,900.

    13F-HR 0001172661-25-003317 filed by MARATHON CAPITAL MANAGEMENT
    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 30,000 shares
    Change vs previous 13F -5,000 shares

    0.01% of the 13F portfolio, value $27,966.

    13F-HR 0001172661-25-002209 filed by MARATHON CAPITAL MANAGEMENT
    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 35,000 shares
    Change vs previous 13F +5,000 shares

    0.01% of the 13F portfolio, value $47,600.

    13F-HR 0001172661-25-001088 filed by MARATHON CAPITAL MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 30,000 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $21,900.

    13F-HR 0001172661-24-005065 filed by MARATHON CAPITAL MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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