MARSHALL WACE, LLP - IROBOT CORP ownership

IROBOT CORP's ticker is IRBT and the CUSIP is 462726100. A total of 300 filers reported holding IROBOT CORP in Q1 2019. The put-call ratio across all filers is 2.81 and the average weighting 0.1%.

Quarter-by-quarter ownership
MARSHALL WACE, LLP ownership history of IROBOT CORP
ValueSharesWeighting
Q3 2023$9,522,222
-19.1%
251,246
-3.4%
0.02%
-17.4%
Q2 2023$11,769,528
+186.9%
260,100
+176.7%
0.02%
+155.6%
Q1 2023$4,102,553
+29.7%
94,009
+43.0%
0.01%
+28.6%
Q4 2022$3,164,116
+336.4%
65,741
+611.9%
0.01%
+133.3%
Q3 2021$725,000
+191.2%
9,234
+245.8%
0.00%
+200.0%
Q2 2021$249,000
-98.0%
2,670
-97.4%
0.00%
-98.3%
Q1 2021$12,631,000
+114.6%
103,378
+47.1%
0.06%
-3.3%
Q4 2018$5,886,000
+182.6%
70,293
+155.7%
0.06%
+93.5%
Q2 2018$2,083,00027,4890.03%
Other shareholders
IROBOT CORP shareholders Q1 2019
NameSharesValueWeighting ↓
Truehand, Inc 62,505$5,837,0003.44%
GAGNON SECURITIES LLC 187,042$17,468,0002.48%
Sturgeon Ventures LLP 34,986$3,267,0001.62%
Ground Swell Capital, LLC 2,509$234,0001.11%
SevenOneSeven Capital Management 4,181$390,0001.01%
Bridge City Capital, LLC 29,842$2,787,0000.95%
APERIMUS CAPITAL, LLC 6,200$579,0000.93%
Vident Investment Advisory, LLC 310,431$28,991,0000.88%
Elephas Investment Management Ltd 31,700$2,960,0000.81%
HUSSMAN STRATEGIC ADVISORS, INC. 37,200$3,474,0000.72%
View complete list of IROBOT CORP shareholders