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MILLENNIUM MANAGEMENT LLC: GKOS position timeline

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

MILLENNIUM MANAGEMENT LLC held 1,581,016 GKOS 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 1,581,016 shares
    Change vs previous 13F +407,320 shares

    0.15% of the 13F portfolio, value $220,962,796.

    13F-HR 0001273087-26-000007 filed by MILLENNIUM 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 1,173,696 shares
    Change vs previous 13F -436,003 shares

    0.09% of the 13F portfolio, value $126,360,111.

    13F-HR 0001273087-26-000004 filed by MILLENNIUM 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 1,609,699 shares
    Change vs previous 13F +696,289 shares

    0.13% of the 13F portfolio, value $181,751,114.

    13F-HR 0001273087-26-000002 filed by MILLENNIUM 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 913,410 shares
    Change vs previous 13F +913,410 shares

    0.06% of the 13F portfolio, value $74,488,586.

    13F-HR 0001273087-25-000034 filed by MILLENNIUM 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 0 shares
    Change vs previous 13F -78,232 shares

    13F-HR 0001273087-25-000028 filed by MILLENNIUM MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  6. period ended2025-03-31
    13F 78,232 shares
    Change vs previous 13F -314,991 shares

    0.01% of the 13F portfolio, value $7,699,593.

    13F-HR 0001273087-25-000019 filed by MILLENNIUM MANAGEMENT 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 393,223 shares
    Change vs previous 13F +150,997 shares

    0.05% of the 13F portfolio, value $58,959,857.

    13F-HR 0001273087-25-000015 filed by MILLENNIUM MANAGEMENT LLC
    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 242,226 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $31,557,203.

    13F-HR 0001273087-24-000118 filed by MILLENNIUM MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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