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Hudson Bay Capital Management LP: SPY position timeline

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

Hudson Bay Capital Management LP held 143,000 SPY 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 143,000 shares
    Change vs previous 13F -110,545 shares

    0.5% of the 13F portfolio, value $106,788,110.

    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 253,545 shares
    Change vs previous 13F +121,361 shares

    0.99% of the 13F portfolio, value $164,890,455.

    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 132,184 shares
    Change vs previous 13F -254,816 shares

    0.52% of the 13F portfolio, value $90,138,913.

    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 387,000 shares
    Change vs previous 13F +255,501 shares

    1.57% of the 13F portfolio, value $257,811,660.

    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 131,499 shares
    Change vs previous 13F -82,172 shares

    0.53% of the 13F portfolio, value $81,246,657.

    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 213,671 shares
    Change vs previous 13F +165,687 shares

    0.76% of the 13F portfolio, value $119,525,421.

    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 47,984 shares
    Change vs previous 13F -105,416 shares

    0.17% of the 13F portfolio, value $28,122,463.

    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 153,400 shares
    Change vs previous 13F not available

    0.61% of the 13F portfolio, value $88,014,784.

    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).