GROUP ONE TRADING, L.P. - PROS HOLDINGS INC ownership

PROS HOLDINGS INC's ticker is and the CUSIP is 74346Y903. A total of 2 filers reported holding PROS HOLDINGS INC in Q1 2021. 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 PROS HOLDINGS INC
ValueSharesWeighting
Q3 2023$190,410
-73.1%
5,500
-76.1%
0.00%
-50.0%
Q2 2023$708,400
+173.5%
23,000
+206.7%
0.00%
Q4 2021$259,000
-2.6%
7,5000.0%0.00%
Q3 2021$266,000
-22.2%
7,5000.0%0.00%
Q2 2021$342,000
+6740.0%
7,500
+7400.0%
0.00%
Q4 2020$5,000
-98.5%
100
-98.7%
0.00%
-100.0%
Q2 2020$338,000
+12.7%
7,600
+52.0%
0.00%0.0%
Q4 2019$300,000
-40.8%
5,000
-41.2%
0.00%
-50.0%
Q3 2019$507,000
-88.2%
8,500
-87.5%
0.00%
-89.7%
Q2 2019$4,308,000
+111.6%
68,100
+41.3%
0.04%
+69.6%
Q1 2019$2,036,000
+1196.8%
48,200
+864.0%
0.02%
+2200.0%
Q4 2018$157,000
-55.1%
5,000
-50.0%
0.00%
-66.7%
Q3 2018$350,00010,0000.00%
Other shareholders
PROS HOLDINGS INC shareholders Q1 2021
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 5,500$190,4100.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
SIMPLEX TRADING, LLC 8,800$3040.00%
View complete list of PROS HOLDINGS INC shareholders