SIMPLEX TRADING, LLC - ALPHA PRO TECH LTD ownership

ALPHA PRO TECH LTD's ticker is and the CUSIP is 020772909. A total of 1 filers reported holding ALPHA PRO TECH LTD in Q4 2016. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of ALPHA PRO TECH LTD
ValueSharesWeighting
Q3 2023$370
+193.7%
85,300
+168.2%
0.00%
Q2 2023$126
-36.7%
31,800
-33.6%
0.00%
Q1 2023$199
-43.1%
47,900
-45.0%
0.00%
Q4 2022$350
-99.9%
87,100
-29.5%
0.00%
-100.0%
Q3 2022$500,000
+14.4%
123,600
+26.0%
0.00%
Q2 2022$437,000
+30.1%
98,100
+22.5%
0.00%
Q1 2022$336,000
-79.8%
80,100
-71.3%
0.00%
-100.0%
Q4 2021$1,665,000
+1072.5%
279,000
+1570.7%
0.00%
Q3 2021$142,000
-0.7%
16,7000.0%0.00%
Q2 2021$143,000
+30.0%
16,700
+14678.8%
0.00%
Q1 2021$110,000
-80.7%
113
-77.9%
0.00%
-100.0%
Q4 2020$569,000
+21.6%
511
+61.2%
0.00%0.0%
Q3 2020$468,000
-84.1%
317
-81.0%
0.00%
-80.0%
Q2 2020$2,950,000
+3.3%
1,667
-29.5%
0.01%0.0%
Q1 2020$2,856,0002,365
+236400.0%
0.01%
Q1 2019$010.0%0.00%
Q4 2018$010.0%0.00%
Q1 2018$01
-88.9%
0.00%
Q3 2017$090.0%0.00%
Q2 2017$09
-97.1%
0.00%
Q1 2017$0
-100.0%
312
-52.9%
0.00%
Q4 2016$4,000
-60.0%
663
+32.6%
0.00%
-100.0%
Q3 2016$10,000
+900.0%
500
+963.8%
0.00%
Q4 2015$1,000470.0%0.00%
Q3 2015$047
+4600.0%
0.00%
Q2 2015$01
-83.3%
0.00%
Q1 2015$060.00%
Other shareholders
ALPHA PRO TECH LTD shareholders Q4 2016
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 100$00.00%
SIMPLEX TRADING, LLC 1$00.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of ALPHA PRO TECH LTD shareholders