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Telemark Asset Management, LLC: KOPN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Telemark Asset Management, LLC on KOPN, newest first. How the timeline and the estimate are built.

Telemark Asset Management, LLC held 7,000,000 KOPN shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 7,000,000 shares
    Change vs previous 13F 0 shares

    2.27% of the 13F portfolio, value $31,360,000.

    13F-HR 0000898432-26-000612 filed by Telemark Asset 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 7,000,000 shares
    Change vs previous 13F 0 shares

    1.46% of the 13F portfolio, value $15,750,000.

    13F-HR 0000898432-26-000352 filed by Telemark Asset 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 7,000,000 shares
    Change vs previous 13F +2,000,000 shares

    1.64% of the 13F portfolio, value $16,380,000.

    13F-HR 0000898432-26-000088 filed by Telemark Asset 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 5,000,000 shares
    Change vs previous 13F +1,000,000 shares

    1.15% of the 13F portfolio, value $12,150,000.

    13F-HR 0000898432-25-000879 filed by Telemark Asset 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 4,000,000 shares
    Change vs previous 13F +1,000,000 shares

    0.65% of the 13F portfolio, value $6,120,000.

    13F-HR 0000898432-25-000586 filed by Telemark Asset 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 3,000,000 shares
    Change vs previous 13F not available

    0.37% of the 13F portfolio, value $2,796,600.

    13F-HR 0000898432-25-000335 filed by Telemark Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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