SIMPLEX TRADING, LLC: OUST position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SIMPLEX TRADING, LLC on OUST, newest first. How the timeline and the estimate are built.
SIMPLEX TRADING, LLC held 43,750 OUST shares at 2026-06-30 per its 13F-HR filed 2026-08-12.
the latest 13F is the newest step
- period ended2026-06-3013F 43,750 sharesChange vs previous 13F +23,916 shares
0.07% of the 13F portfolio, value $2,735,250.
13F-HR 0001488542-26-000011 filed by SIMPLEX TRADING, 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 19,834 sharesChange vs previous 13F +5,701 shares
0.01% of the 13F portfolio, value $364,350.
13F-HR 0001488542-26-000009 filed by SIMPLEX TRADING, 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 14,133 sharesChange vs previous 13F -66,317 shares
0.01% of the 13F portfolio, value $305,838.
13F-HR 0001488542-26-000002 filed by SIMPLEX TRADING, 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 80,450 sharesChange vs previous 13F +78,433 shares
0.05% of the 13F portfolio, value $2,176,000.
13F-HR 0001488542-25-000018 filed by SIMPLEX TRADING, 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 2,017 sharesChange vs previous 13F -36,779 shares
<0.01% of the 13F portfolio, value $48,000.
13F-HR 0001488542-25-000010 filed by SIMPLEX TRADING, 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 38,796 sharesChange vs previous 13F +19,201 shares
0.01% of the 13F portfolio, value $348,000.
13F-HR 0001488542-25-000007 filed by SIMPLEX TRADING, 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 19,595 sharesChange vs previous 13F -38,558 shares
0.01% of the 13F portfolio, value $239,000.
13F-HR 0001488542-25-000001 filed by SIMPLEX TRADING, 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 58,153 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $366,000.
13F-HR 0001488542-24-000015 filed by SIMPLEX TRADING, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).