SIMPLEX TRADING, LLC: IONS position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SIMPLEX TRADING, LLC on IONS, newest first. How the timeline and the estimate are built.
SIMPLEX TRADING, LLC held 0 IONS shares at 2026-03-31 per its 13F-HR filed 2026-05-14.
the latest 13F is the newest step
- period ended2026-03-3113F 0 sharesChange vs previous 13F -96,647 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2025-12-3113F 96,647 sharesChange vs previous 13F -3,559 shares
0.22% of the 13F portfolio, value $7,645,744.
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 100,206 sharesChange vs previous 13F +60,568 shares
0.14% of the 13F portfolio, value $6,555,000.
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 39,638 sharesChange vs previous 13F -24,943 shares
0.04% of the 13F portfolio, value $1,566,000.
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 64,581 sharesChange vs previous 13F +64,581 shares
0.07% of the 13F portfolio, value $1,948,000.
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 0 sharesChange vs previous 13F -6,944 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2024-09-3013F 6,944 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $278,000.
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).