Hudson Bay Capital Management LP: ARM position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Hudson Bay Capital Management LP on ARM, newest first. How the timeline and the estimate are built.
Hudson Bay Capital Management LP held 0 ARM shares at 2025-09-30 per its 13F-HR/A filed 2025-12-15.
the latest 13F is the newest step
- period ended2025-09-3013F/A 0 sharesChange vs previous 13F -600,000 shares
13F-HR/A 0001393825-25-000093 filed by Hudson Bay Capital Management LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
- period ended2025-06-3013F/A 600,000 sharesChange vs previous 13F +600,000 shares
0.64% of the 13F portfolio, value $97,044,000.
13F-HR/A 0001393825-25-000066 filed by Hudson Bay Capital Management LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 0 sharesChange vs previous 13F -1,200,000 shares
13F-HR 0001393825-25-000010 filed by Hudson Bay Capital Management LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
- period ended2024-12-3113F 1,200,000 sharesChange vs previous 13F +1,200,000 shares
0.89% of the 13F portfolio, value $148,032,000.
13F-HR 0002033916-25-000027 filed by Hudson Bay Capital Management LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 0 sharesChange vs previous 13F not available
13F-HR 0002033916-24-000083 filed by Hudson Bay Capital Management LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.