GROUP ONE TRADING, L.P. - ALPHA PRO TECH LTD ownership

ALPHA PRO TECH LTD's ticker is and the CUSIP is 020772909. A total of 3 filers reported holding ALPHA PRO TECH LTD in Q3 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of ALPHA PRO TECH LTD
ValueSharesWeighting
Q3 2023$1,747,718
+321.4%
402,700
+286.5%
0.01%
+500.0%
Q2 2023$414,716
+173.9%
104,200
+186.3%
0.00%0.0%
Q1 2023$151,424
-24.1%
36,400
-26.6%
0.00%
Q4 2022$199,392
-48.5%
49,600
-48.1%
0.00%
-100.0%
Q3 2022$387,000
-47.3%
95,500
-41.9%
0.00%0.0%
Q2 2022$734,000
+45.6%
164,500
+37.2%
0.00%
Q1 2022$504,000
-55.0%
119,900
-36.2%
0.00%
-100.0%
Q4 2021$1,121,000
-7.3%
187,800
+4.6%
0.00%0.0%
Q3 2021$1,209,000
+365.0%
179,600
+492.7%
0.00%
Q2 2021$260,000
+19.8%
30,300
+36.5%
0.00%
Q1 2021$217,000
-78.0%
22,200
-74.9%
0.00%
-100.0%
Q4 2020$986,000
+283.7%
88,400
+408.0%
0.00%
+100.0%
Q3 2020$257,000
-94.6%
17,400
-93.5%
0.00%
-95.5%
Q2 2020$4,749,000
-31.3%
268,300
-53.1%
0.02%
-60.7%
Q1 2020$6,916,000
+345700.0%
572,500
+114400.0%
0.06%
Q2 2019$2,0000.0%5000.0%0.00%
Q1 2019$2,000500
+400.0%
0.00%
Q4 2018$0
-100.0%
100
-93.3%
0.00%
Q3 2017$6,000
+50.0%
1,5000.0%0.00%
Q2 2017$4,0001,5000.00%
Other shareholders
ALPHA PRO TECH LTD shareholders Q3 2023
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 402,700$1,747,7180.01%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
SIMPLEX TRADING, LLC 85,300$3700.00%
View complete list of ALPHA PRO TECH LTD shareholders