Skip to content

Hudson Bay Capital Management LP: PFE position timeline

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

Hudson Bay Capital Management LP held 435,000 PFE 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 435,000 shares
    Change vs previous 13F +345,000 shares

    0.05% of the 13F portfolio, value $10,474,800.

    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 90,000 shares
    Change vs previous 13F -85,000 shares

    0.02% of the 13F portfolio, value $2,527,200.

    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 175,000 shares
    Change vs previous 13F +34,835 shares

    0.02% of the 13F portfolio, value $4,357,500.

    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 140,165 shares
    Change vs previous 13F -25,872 shares

    0.02% of the 13F portfolio, value $3,571,404.

    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 166,037 shares
    Change vs previous 13F -13,674 shares

    0.03% of the 13F portfolio, value $4,024,737.

    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 179,711 shares
    Change vs previous 13F -1,920,620 shares

    0.03% of the 13F portfolio, value $4,553,877.

    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 2,100,331 shares
    Change vs previous 13F -1,453,215 shares

    0.34% of the 13F portfolio, value $55,721,781.

    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 3,553,546 shares
    Change vs previous 13F not available

    0.71% of the 13F portfolio, value $102,839,621.

    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).