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Laurion Capital Management LP: MLYS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Laurion Capital Management LP on MLYS, newest first. How the timeline and the estimate are built.

Laurion Capital Management LP held 2,506,152 MLYS shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,506,152 shares
    Change vs previous 13F +274,112 shares

    4.9% of the 13F portfolio, value $67,615,981.

    13F-HR 0001390202-26-000016 filed by Laurion Capital Management 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 2,232,040 shares
    Change vs previous 13F +518,555 shares

    5.67% of the 13F portfolio, value $60,465,964.

    13F-HR 0001390202-26-000008 filed by Laurion Capital Management 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/A 1,713,485 shares
    Change vs previous 13F -6,960 shares

    4.24% of the 13F portfolio, value $62,182,371.

    13F-HR/A 0001390202-26-000006 filed by Laurion Capital Management LP
    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 1,720,445 shares
    Change vs previous 13F -42,137 shares

    8.9% of the 13F portfolio, value $65,239,274.

    13F-HR 0001390202-25-000003 filed by Laurion Capital Management LP
    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 1,762,582 shares
    Change vs previous 13F -135,602 shares

    2.75% of the 13F portfolio, value $23,847,735.

    13F-HR 0001085146-25-005243 filed by Laurion Capital Management 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 1,898,184 shares
    Change vs previous 13F +485,795 shares

    2.32% of the 13F portfolio, value $30,143,162.

    13F-HR 0001085146-25-003290 filed by Laurion Capital Management LP
    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 1,412,389 shares
    Change vs previous 13F 0 shares

    1.08% of the 13F portfolio, value $17,386,509.

    13F-HR 0001085146-25-001641 filed by Laurion Capital Management LP
    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 1,412,389 shares
    Change vs previous 13F not available

    1.1% of the 13F portfolio, value $17,104,031.

    13F-HR 0001085146-24-005905 filed by Laurion Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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