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Disclosery

Hudson Bay Capital Management LP: MRK position timeline

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

Hudson Bay Capital Management LP held 2,210 MRK 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 2,210 shares
    Change vs previous 13F -99,295 shares

    <0.01% of the 13F portfolio, value $283,985.

    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 ended2026-03-31
    13F 101,505 shares
    Change vs previous 13F +99,705 shares

    0.07% of the 13F portfolio, value $12,210,036.

    13F-HR 0001393825-26-000041 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).

  3. period ended2025-12-31
    13F 1,800 shares
    Change vs previous 13F -103,455 shares

    <0.01% of the 13F portfolio, value $189,468.

    13F-HR 0001393825-26-000021 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 ended2025-09-30
    13F/A 105,255 shares
    Change vs previous 13F -72,500 shares

    0.05% of the 13F portfolio, value $8,834,052.

    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).

  5. period ended2025-06-30
    13F/A 177,755 shares
    Change vs previous 13F -184,785 shares

    0.09% of the 13F portfolio, value $14,071,086.

    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).

  6. period ended2025-03-31
    13F 362,540 shares
    Change vs previous 13F +109,892 shares

    0.21% of the 13F portfolio, value $32,541,590.

    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).

  7. period ended2024-12-31
    13F 252,648 shares
    Change vs previous 13F +76,920 shares

    0.15% of the 13F portfolio, value $25,133,423.

    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).

  8. period ended2024-09-30
    13F 175,728 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $19,955,672.

    13F-HR 0002033916-24-000083 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).