SIMPLEX TRADING, LLC - DERMTECH INC ownership

DERMTECH INC's ticker is and the CUSIP is 24984K905. A total of 3 filers reported holding DERMTECH INC in Q3 2022. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of DERMTECH INC
ValueSharesWeighting
Q3 2023$35
-66.7%
24,500
-39.5%
0.00%
Q2 2023$105
-52.3%
40,500
-32.5%
0.00%
Q1 2023$220
+300.0%
60,000
+92.9%
0.00%
Q4 2022$55
-100.0%
31,100
-24.5%
0.00%
Q3 2022$163,000
+106.3%
41,200
+186.1%
0.00%
Q2 2022$79,000
-79.7%
14,400
-45.7%
0.00%
Q1 2022$389,000
+392.4%
26,500
+430.0%
0.00%
Q4 2021$79,000
-93.5%
5,000
-84.0%
0.00%
-100.0%
Q3 2021$1,213,000
-5.8%
31,300
+1.0%
0.00%0.0%
Q2 2021$1,288,000
-23.2%
31,000
+9293.9%
0.00%
-66.7%
Q1 2021$1,676,000
+10.4%
330
-29.5%
0.00%
+50.0%
Q4 2020$1,518,0004680.00%
Other shareholders
DERMTECH INC shareholders Q3 2022
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 330$1,676,0000.00%
GROUP ONE TRADING, L.P. 16,800$853,0000.00%
JPMORGAN CHASE & CO 9,400$477,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of DERMTECH INC shareholders