ARROWSTREET CAPITAL, LIMITED PARTNERSHIP - IROBOT CORP ownership

IROBOT CORP's ticker is IRBT and the CUSIP is 462726100. A total of 290 filers reported holding IROBOT CORP in Q4 2020. The put-call ratio across all filers is 1.45 and the average weighting 0.1%.

Quarter-by-quarter ownership
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP ownership history of IROBOT CORP
ValueSharesWeighting
Q2 2021$6,927,000
-88.8%
74,171
-85.4%
0.01%
-89.2%
Q1 2021$61,899,000
+47.5%
506,623
-3.1%
0.08%
+40.7%
Q4 2020$41,961,000
+115.2%
522,623
+103.4%
0.06%
+90.3%
Q3 2020$19,502,000
+615.4%
256,937
+690.7%
0.03%
+520.0%
Q2 2020$2,726,000
+160.9%
32,495
+27.1%
0.01%
+66.7%
Q1 2020$1,045,000
-25.6%
25,561
-7.9%
0.00%0.0%
Q4 2019$1,405,000
-90.1%
27,756
-82.0%
0.00%
-90.3%
Q2 2019$14,123,000
-28.5%
154,118
-8.2%
0.03%
-34.0%
Q1 2019$19,748,000
+8876.4%
167,794
+6277.6%
0.05%
+4600.0%
Q4 2018$220,000
-99.4%
2,631
-99.6%
0.00%
-98.9%
Q1 2018$39,315,000
-47.6%
612,486
-37.4%
0.09%
-50.0%
Q4 2017$75,038,000
+46.9%
978,328
+47.5%
0.18%
+31.4%
Q3 2017$51,098,000
+11.0%
663,095
+21.2%
0.14%
-1.4%
Q2 2017$46,017,000
+36.7%
546,907
+7.4%
0.14%
+13.0%
Q1 2017$33,672,000509,0970.12%
Other shareholders
IROBOT CORP shareholders Q4 2020
NameSharesValueWeighting ↓
Truehand, Inc 62,505$4,118,0002.41%
GAGNON SECURITIES LLC 196,310$12,933,0001.94%
Vident Investment Advisory, LLC 448,499$29,547,0000.77%
Bridge City Capital, LLC 23,529$1,550,0000.64%
UNITED MARITIME CAPITAL LLC 7,000$461,0000.53%
DISCIPLINED GROWTH INVESTORS INC /MN 340,124$22,407,0000.45%
Bleichroeder LP 39,271$2,587,0000.40%
HUSSMAN STRATEGIC ADVISORS, INC. 26,000$1,713,0000.38%
DUALITY ADVISERS, LP 48,003$3,162,0000.34%
CONNORS INVESTOR SERVICES INC 48,476$3,194,0000.31%
View complete list of IROBOT CORP shareholders