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Disclosery

Laurion Capital Management LP: WDC position timeline

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

Laurion Capital Management LP held 14,017 WDC 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 14,017 shares
    Change vs previous 13F +8,188 shares

    0.65% of the 13F portfolio, value $8,952,938.

    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 5,829 shares
    Change vs previous 13F +5,829 shares

    0.15% of the 13F portfolio, value $1,576,686.

    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 ended2024-12-31
    13F 0 shares
    Change vs previous 13F -4,734 shares

    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).

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

  4. period ended2024-09-30
    13F 4,734 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $323,285.

    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).