GROUP ONE TRADING, L.P. - AMTECH SYS INC ownership

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of AMTECH SYS INC
ValueSharesWeighting
Q3 2023$9,144
-4.4%
1,200
+20.0%
0.00%
Q2 2023$9,560
+100.4%
1,000
+100.0%
0.00%
Q1 2023$4,770
+138.5%
500
+150.0%
0.00%
Q4 2021$2,000
+100.0%
200
+100.0%
0.00%
Q3 2021$1,000
-95.8%
100
-96.0%
0.00%
Q2 2021$24,000
-57.1%
2,500
-46.8%
0.00%
Q1 2021$56,000
+1766.7%
4,700
+683.3%
0.00%
Q1 2020$3,000
-88.5%
600
-83.3%
0.00%
Q4 2019$26,000
+136.4%
3,600
+80.0%
0.00%
Q3 2019$11,0000.0%2,0000.0%0.00%
Q2 2019$11,000
+37.5%
2,000
+33.3%
0.00%
Q1 2019$8,000
-89.3%
1,500
-91.0%
0.00%
-100.0%
Q4 2018$75,000
-15.7%
16,6000.0%0.00%0.0%
Q3 2018$89,000
+584.6%
16,600
+654.5%
0.00%
Q2 2018$13,000
-75.5%
2,200
-69.9%
0.00%
-100.0%
Q1 2018$53,000
+1225.0%
7,300
+1725.0%
0.00%
Q4 2017$4,000
+300.0%
400
+300.0%
0.00%
Q3 2017$1,000
-98.4%
100
-99.0%
0.00%
-100.0%
Q2 2013$64,00010,0000.00%
Other shareholders

There were no reported owners of AMTECH SYS INC in Q3 2013.

NameSharesValueWeighting ↓
View complete list of AMTECH SYS INC shareholders