SIMPLEX TRADING, LLC: ZYME position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SIMPLEX TRADING, LLC on ZYME, newest first. How the timeline and the estimate are built.
SIMPLEX TRADING, LLC held 19,431 ZYME shares at 2026-06-30 per its 13F-HR filed 2026-08-12.
the latest 13F is the newest step
- period ended2026-06-3013F 19,431 sharesChange vs previous 13F +18,095 shares
0.01% of the 13F portfolio, value $507,926.
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 1,336 sharesChange vs previous 13F -46,704 shares
<0.01% of the 13F portfolio, value $33,453.
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 48,040 sharesChange vs previous 13F +19,279 shares
0.04% of the 13F portfolio, value $1,264,893.
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 28,761 sharesChange vs previous 13F +22,316 shares
0.01% of the 13F portfolio, value $491,000.
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 6,445 sharesChange vs previous 13F +2,277 shares
<0.01% of the 13F portfolio, value $80,000.
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 4,168 sharesChange vs previous 13F +3,081 shares
<0.01% of the 13F portfolio, value $49,000.
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 1,087 sharesChange vs previous 13F -443 shares
<0.01% of the 13F portfolio, value $15,000.
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 1,530 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $19,000.
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).