GROUP ONE TRADING, L.P. - MONOLITHIC PWR SYS INC ownership

MONOLITHIC PWR SYS INC's ticker is and the CUSIP is 609839955. A total of 3 filers reported holding MONOLITHIC PWR SYS INC in Q4 2020. 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 MONOLITHIC PWR SYS INC
ValueSharesWeighting
Q3 2023$508,200
-90.6%
1,100
-89.0%
0.00%
-88.2%
Q2 2023$5,402,300
+10692.9%
10,000
+9900.0%
0.02%
Q1 2023$50,054
-88.2%
100
-91.7%
0.00%
-100.0%
Q4 2022$424,332
-38.6%
1,200
-33.3%
0.00%0.0%
Q2 2022$691,000
-58.1%
1,800
-47.1%
0.00%
-50.0%
Q1 2022$1,651,000
+271.8%
3,400
+277.8%
0.00%
Q4 2021$444,000
-51.8%
900
-52.6%
0.00%
-100.0%
Q3 2021$921,000
-78.9%
1,900
-83.8%
0.00%
-80.0%
Q2 2021$4,369,000
-4.1%
11,700
-9.3%
0.01%
-28.6%
Q1 2021$4,556,000
+788.1%
12,900
+821.4%
0.01%
+600.0%
Q4 2020$513,000
+83.2%
1,400
+40.0%
0.00%0.0%
Q3 2020$280,000
-34.4%
1,000
-44.4%
0.00%
-50.0%
Q2 2020$427,000
+265.0%
1,800
+157.1%
0.00%
+100.0%
Q1 2020$117,000
-13.3%
700
-30.0%
0.00%
-50.0%
Q1 2019$135,000
+440.0%
1,000
+400.0%
0.00%
Q3 2018$25,000
-76.6%
200
-80.0%
0.00%
-100.0%
Q3 2017$107,000
+11.5%
1,0000.0%0.00%0.0%
Q2 2017$96,000
+17.1%
1,000
-16.7%
0.00%0.0%
Q2 2016$82,000
-59.8%
1,200
-62.5%
0.00%
-66.7%
Q1 2016$204,0003,2000.00%
Other shareholders
MONOLITHIC PWR SYS INC shareholders Q4 2020
NameSharesValueWeighting ↓
Maven Securities LTD 2,100$1,018,0000.03%
GROUP ONE TRADING, L.P. 1,900$921,0000.00%
SIMPLEX TRADING, LLC 3,400$1,258,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of MONOLITHIC PWR SYS INC shareholders