Quantum Portfolio Management LLC: DEM position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Quantum Portfolio Management LLC on DEM, newest first. How the timeline and the estimate are built.
Quantum Portfolio Management LLC held 32,581 DEM shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 32,581 sharesChange vs previous 13F +1,507 shares
0.63% of the 13F portfolio, value $1,752,532.
13F-HR 0001420506-26-001701 filed by Quantum Portfolio 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/A 31,074 sharesChange vs previous 13F +7,752 shares
0.67% of the 13F portfolio, value $1,544,067.
13F-HR/A 0001172661-26-001580 filed by Quantum Portfolio 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 23,322 sharesChange vs previous 13F -127,615 shares
0.48% of the 13F portfolio, value $1,089,371.
13F-HR 0001172661-26-000672 filed by Quantum Portfolio 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 150,937 sharesChange vs previous 13F +55,115 shares
2.06% of the 13F portfolio, value $6,941,593.
13F-HR 0001172661-25-004476 filed by Quantum Portfolio 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 95,822 sharesChange vs previous 13F +23,841 shares
2.07% of the 13F portfolio, value $4,339,778.
13F-HR 0001172661-25-003208 filed by Quantum Portfolio 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 71,981 sharesChange vs previous 13F +12,639 shares
1.54% of the 13F portfolio, value $3,028,960.
13F-HR 0001172661-25-001852 filed by Quantum Portfolio Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 59,342 sharesChange vs previous 13F +447 shares
1.29% of the 13F portfolio, value $2,402,758.
13F-HR 0001172661-25-000338 filed by Quantum Portfolio Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 58,895 sharesChange vs previous 13F not available
1.4% of the 13F portfolio, value $2,591,969.
13F-HR 0001172661-24-004357 filed by Quantum Portfolio Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).