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Hudson Bay Capital Management LP: MBLY position timeline

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

Hudson Bay Capital Management LP held 221,642 MBLY 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 221,642 shares
    Change vs previous 13F +221,642 shares

    0.01% of the 13F portfolio, value $2,145,494.

    13F-HR 0001393825-26-000058 filed by Hudson Bay 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 ended2025-09-30
    13F/A 0 shares
    Change vs previous 13F -66,385 shares

    13F-HR/A 0001393825-25-000093 filed by Hudson Bay 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.

  3. period ended2025-06-30
    13F/A 66,385 shares
    Change vs previous 13F +18,347 shares

    0.01% of the 13F portfolio, value $1,193,602.

    13F-HR/A 0001393825-25-000066 filed by Hudson Bay 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 ended2025-03-31
    13F 48,038 shares
    Change vs previous 13F -320,000 shares

    <0.01% of the 13F portfolio, value $691,507.

    13F-HR 0001393825-25-000010 filed by Hudson Bay 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 ended2024-12-31
    13F 368,038 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $7,331,317.

    13F-HR 0002033916-25-000027 filed by Hudson Bay Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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