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TWO SIGMA INVESTMENTS, LP: KOPN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TWO SIGMA INVESTMENTS, LP on KOPN, newest first. How the timeline and the estimate are built.

TWO SIGMA INVESTMENTS, LP held 2,302,690 KOPN 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 2,302,690 shares
    Change vs previous 13F +2,247,798 shares

    0.01% of the 13F portfolio, value $10,316,051.

    13F-HR 0000899140-26-000855 filed by TWO SIGMA INVESTMENTS, LP
    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 54,892 shares
    Share basis changed not comparable

    Membership change: TWO SIGMA ADVISERS, LP left the group. <0.01% of the 13F portfolio, value $123,507.

    13F-HR 0000899140-26-000547 filed by TWO SIGMA INVESTMENTS, LP
    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 95,992 shares
    Change vs previous 13F -311,231 shares

    <0.01% of the 13F portfolio, value $224,621.

    13F-HR 0000899140-26-000232 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 95,992 shares
    • TWO SIGMA ADVISERS, LP: 0 shares

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

  4. period ended2025-09-30
    13F 407,223 shares
    Change vs previous 13F +120,790 shares

    <0.01% of the 13F portfolio, value $989,552.

    13F-HR 0000899140-25-001286 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 390,223 shares
    • TWO SIGMA ADVISERS, LP: 17,000 shares

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

  5. period ended2025-06-30
    13F 286,433 shares
    Change vs previous 13F -27,930 shares

    <0.01% of the 13F portfolio, value $438,242.

    13F-HR 0000899140-25-000964 filed by TWO SIGMA INVESTMENTS, LP
    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 314,363 shares
    Change vs previous 13F -377,474 shares

    <0.01% of the 13F portfolio, value $293,049.

    13F-HR 0000899140-25-000680 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 314,363 shares
    • TWO SIGMA ADVISERS, LP: 0 shares

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

  7. period ended2024-12-31
    13F 691,837 shares
    Change vs previous 13F +395,913 shares

    <0.01% of the 13F portfolio, value $940,898.

    13F-HR 0000899140-25-000265 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 562,037 shares
    • TWO SIGMA ADVISERS, LP: 129,800 shares

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

  8. period ended2024-09-30
    13F 295,924 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $216,025.

    13F-HR 0000919574-24-006611 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 233,324 shares
    • TWO SIGMA ADVISERS, LP: 62,600 shares

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