GROUP ONE TRADING LLC - IROBOT CORP ownership

IROBOT CORP's ticker is and the CUSIP is 462726950. A total of 7 filers reported holding IROBOT CORP in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.4%.

Quarter-by-quarter ownership
GROUP ONE TRADING LLC ownership history of IROBOT CORP
ValueSharesWeighting
Q2 2024$1,265,379
-21.5%
138,900
-24.5%
0.01%
-16.7%
Q1 2024$1,611,840
-93.8%
184,000
-72.5%
0.01%
-91.2%
Q4 2023$25,874,820
+46.0%
668,600
+43.0%
0.07%
+13.3%
Q3 2023$17,725,830
-22.6%
467,700
-7.6%
0.06%
-18.9%
Q2 2023$22,910,075
+146.6%
506,300
+137.8%
0.07%
+117.6%
Q1 2023$9,290,956
+129.5%
212,900
+153.2%
0.03%
+277.8%
Q4 2022$4,047,733
+1185.0%
84,100
+1401.8%
0.01%
+800.0%
Q3 2022$315,000
-96.8%
5,600
-97.9%
0.00%
-93.3%
Q2 2022$9,779,000
-33.2%
266,100
+15.3%
0.02%
+7.1%
Q1 2022$14,633,000
-66.8%
230,800
-65.6%
0.01%
-60.0%
Q4 2021$44,140,000
+2.6%
670,000
+22.3%
0.04%
-23.9%
Q3 2021$43,002,000
-17.9%
547,800
-2.4%
0.05%
-27.0%
Q2 2021$52,401,000
+78.5%
561,100
+133.5%
0.06%
+46.5%
Q1 2021$29,360,000
+69.2%
240,300
+11.2%
0.04%
+43.3%
Q4 2020$17,351,000
+3.3%
216,100
-2.4%
0.03%
-43.4%
Q3 2020$16,804,000
-9.1%
221,400
+0.5%
0.05%
-37.6%
Q2 2020$18,492,000
+18.1%
220,400
-42.4%
0.08%
-33.1%
Q1 2020$15,652,000
+104.6%
382,700
+153.3%
0.13%
+144.2%
Q4 2019$7,650,000
+42.8%
151,100
+73.9%
0.05%
+20.9%
Q3 2019$5,359,000
+4.6%
86,900
+55.5%
0.04%
-6.5%
Q2 2019$5,123,000
-17.4%
55,900
+6.1%
0.05%
-33.3%
Q1 2019$6,202,000
-61.8%
52,700
-72.8%
0.07%
-51.1%
Q4 2018$16,229,000
+5.4%
193,800
+38.3%
0.14%
+15.6%
Q3 2018$15,400,000
+156.3%
140,100
+76.7%
0.12%
+139.2%
Q2 2018$6,009,000
+532.5%
79,300
+435.8%
0.05%
+410.0%
Q1 2018$950,000
-83.3%
14,800
-80.1%
0.01%
-75.0%
Q4 2017$5,699,000
-66.1%
74,300
-65.9%
0.04%
-73.9%
Q3 2017$16,814,000
+1.4%
218,200
+10.8%
0.15%
-11.0%
Q2 2017$16,576,000
+1071.4%
197,000
+820.6%
0.17%
+975.0%
Q1 2017$1,415,000
+21.0%
21,400
+7.0%
0.02%
+45.5%
Q4 2016$1,169,000
+1228.4%
20,000
+900.0%
0.01%
+1000.0%
Q3 2016$88,000
+252.0%
2,000
+185.7%
0.00%
Q2 2016$25,000
+525.0%
700
+600.0%
0.00%
Q1 2016$4,000
-42.9%
100
-50.0%
0.00%
Q4 2015$7,000
-99.2%
200
-99.3%
0.00%
-100.0%
Q2 2015$870,000
-2.7%
27,300
-0.4%
0.01%
-14.3%
Q1 2015$894,000
-61.7%
27,400
-59.2%
0.01%
-60.0%
Q4 2014$2,333,000
+217.8%
67,200
+178.8%
0.04%
+218.2%
Q3 2014$734,000
-69.5%
24,100
-58.9%
0.01%
-70.3%
Q2 2014$2,404,000
-27.6%
58,700
-27.4%
0.04%
-33.9%
Q1 2014$3,321,000
+99.5%
80,900
+68.9%
0.06%
+124.0%
Q4 2013$1,665,000
+72.7%
47,900
+87.1%
0.02%
+38.9%
Q3 2013$964,000
+384.4%
25,600
+412.0%
0.02%
+260.0%
Q2 2013$199,0005,0000.01%
Other shareholders
IROBOT CORP shareholders Q1 2023
NameSharesValueWeighting ↓
GROUP ONE TRADING LLC 138,900$1,265,3790.01%
JANE STREET GROUP, LLC 36,100$328,8710.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
IMC-Chicago, LLC 40,800$371,6880.00%
SIMPLEX TRADING, LLC 71,500$6510.00%
View complete list of IROBOT CORP shareholders