GROUP ONE TRADING LLC - BLACKLINE INC ownership

BLACKLINE INC's ticker is and the CUSIP is 09239B959. A total of 5 filers reported holding BLACKLINE INC in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING LLC ownership history of BLACKLINE INC
ValueSharesWeighting
Q3 2023$110,940
+65.2%
2,000
+100.0%
0.00%
Q1 2023$67,150
-88.5%
1,000
-88.5%
0.00%
-100.0%
Q4 2022$585,249
+2067.6%
8,700
+2075.0%
0.00%
Q2 2022$27,000
-92.6%
400
-92.0%
0.00%
Q1 2022$366,000
+415.5%
5,000
+733.3%
0.00%
Q3 2021$71,000
-78.0%
600
-79.3%
0.00%
Q2 2021$323,000
-96.9%
2,900
-96.9%
0.00%
-100.0%
Q1 2021$10,265,000
+3566.1%
94,700
+4409.5%
0.02%
Q4 2020$280,000
-83.3%
2,100
-88.8%
0.00%
-100.0%
Q3 2020$1,676,000
+836.3%
18,700
+450.0%
0.01%
+400.0%
Q1 2020$179,000
+2.3%
3,4000.0%0.00%0.0%
Q4 2019$175,000
+1844.4%
3,400
+1600.0%
0.00%
Q1 2019$9,000
-76.9%
200
-80.0%
0.00%
Q1 2018$39,000
-98.8%
1,0000.0%0.00%
-100.0%
Q4 2017$3,280,000
+4455.6%
1,000
-52.4%
0.02%
+2200.0%
Q3 2017$72,0002,1000.00%
Other shareholders
BLACKLINE INC shareholders Q1 2023
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
SIMPLEX TRADING, LLC 4,700$2520.00%
JANE STREET GROUP, LLC 5,100$274,4820.00%
View complete list of BLACKLINE INC shareholders