Hudson Bay Capital Management LP: BLDR position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Hudson Bay Capital Management LP on BLDR, newest first. How the timeline and the estimate are built.
Hudson Bay Capital Management LP held 21,867 BLDR shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 21,867 sharesChange vs previous 13F -18,496 shares
0.01% of the 13F portfolio, value $1,956,659.
13F-HR 0001393825-26-000058 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 ended2026-03-3113F 40,363 sharesChange vs previous 13F +15,000 shares
0.02% of the 13F portfolio, value $3,323,086.
13F-HR 0001393825-26-000041 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 ended2025-12-3113F 25,363 sharesChange vs previous 13F -30,783 shares
0.01% of the 13F portfolio, value $2,609,599.
13F-HR 0001393825-26-000021 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 ended2025-09-3013F/A 56,146 sharesChange vs previous 13F +647 shares
0.04% of the 13F portfolio, value $6,807,702.
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).
- period ended2025-06-3013F/A 55,499 sharesChange vs previous 13F -75,742 shares
0.04% of the 13F portfolio, value $6,476,178.
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 131,241 sharesChange vs previous 13F +60,144 shares
0.1% of the 13F portfolio, value $16,397,251.
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).
- period ended2024-12-3113F 71,097 sharesChange vs previous 13F +14,597 shares
0.06% of the 13F portfolio, value $10,161,894.
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 56,500 sharesChange vs previous 13F not available
0.08% of the 13F portfolio, value $10,953,090.
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).