Westchester Capital Management, LLC: DMAA position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Westchester Capital Management, LLC on DMAA, newest first. How the timeline and the estimate are built.
Westchester Capital Management, LLC held 581,790 DMAA shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 581,790 sharesChange vs previous 13F -1,087,210 shares
0.31% of the 13F portfolio, value $6,196,063.
13F-HR 0001512805-26-000008 filed by Westchester Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 1,669,000 sharesChange vs previous 13F 0 shares
0.85% of the 13F portfolio, value $17,524,500.
13F-HR 0001512805-26-000005 filed by Westchester Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 1,669,000 sharesChange vs previous 13F 0 shares
0.81% of the 13F portfolio, value $17,307,530.
13F-HR 0001512805-26-000002 filed by Westchester Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 1,669,000 sharesChange vs previous 13F 0 shares
0.89% of the 13F portfolio, value $17,140,630.
13F-HR 0001628280-25-052144 filed by Westchester Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 1,669,000 sharesChange vs previous 13F +690,000 shares
1% of the 13F portfolio, value $17,023,800.
13F-HR 0001277372-25-000002 filed by Westchester Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 979,000 sharesChange vs previous 13F not available
0.57% of the 13F portfolio, value $9,809,580.
13F-HR 0000019481-25-000003 filed by Westchester Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).