SIMPLEX TRADING, LLC: MIST position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SIMPLEX TRADING, LLC on MIST, newest first. How the timeline and the estimate are built.
SIMPLEX TRADING, LLC held 54,171 MIST shares at 2026-06-30 per its 13F-HR filed 2026-08-12.
the latest 13F is the newest step
- period ended2026-06-3013F 54,171 sharesChange vs previous 13F -95,120 shares
<0.01% of the 13F portfolio, value $72,589.
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 149,291 sharesChange vs previous 13F +149,291 shares
0.01% of the 13F portfolio, value $177,656.
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 0 sharesChange vs previous 13F -66,920 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2025-09-3013F 66,920 sharesChange vs previous 13F +66,920 shares
<0.01% of the 13F portfolio, value $133,000.
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 0 sharesChange vs previous 13F -40,636 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2025-03-3113F 40,636 sharesChange vs previous 13F +35,994 shares
<0.01% of the 13F portfolio, value $32,000.
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 4,642 sharesChange vs previous 13F +4,428 shares
<0.01% of the 13F portfolio, value $10,000.
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 214 sharesChange vs previous 13F not available
0% of the 13F portfolio, value $0.
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).