A.R.T. Advisors, LLC - IROBOT CORP ownership

IROBOT CORP's ticker is IRBT and the CUSIP is 462726100. A total of 243 filers reported holding IROBOT CORP in Q1 2018. The put-call ratio across all filers is 1.33 and the average weighting 0.1%.

Quarter-by-quarter ownership
A.R.T. Advisors, LLC ownership history of IROBOT CORP
ValueSharesWeighting
Q2 2020$245,000
-86.5%
2,916
-81.1%
0.37%
+236.7%
Q1 2019$1,814,000
-13.6%
15,411
-52.9%
0.11%
+29.8%
Q1 2018$2,099,000
+15.4%
32,711
+38.6%
0.08%
-9.7%
Q3 2017$1,819,000
+61.0%
23,605
+38.0%
0.09%
+78.8%
Q1 2017$1,130,000
+119.8%
17,100
+94.3%
0.05%
+67.7%
Q4 2016$514,000
-48.6%
8,800
-69.1%
0.03%
-38.0%
Q2 2016$1,000,000
+97.2%
28,522
+99.1%
0.05%
+108.3%
Q4 2015$507,000
+37.8%
14,323
+24.1%
0.02%
+100.0%
Q2 2015$368,000
-81.0%
11,546
-79.3%
0.01%
-83.3%
Q4 2014$1,939,000
-3.2%
55,864
-3.1%
0.07%
-32.7%
Q4 2013$2,004,000
+141.4%
57,662
+176.0%
0.11%
+296.3%
Q2 2013$830,00020,8940.03%
Other shareholders
IROBOT CORP shareholders Q1 2018
NameSharesValueWeighting ↓
FCF Advisors LLC 576$25,0001.00%
Tributary Capital Management, LLC 174,456$7,673,0001.00%
COLUMBIA WANGER ASSET MANAGEMENT LLC 1,680,695$73,917,0000.97%
Mirador Capital Partners LP 14,995$659,0000.58%
Canal Insurance CO 37,000$1,627,0000.52%
West Oak Capital, LLC 15,830$696,203,0000.48%
Cupps Capital Management, LLC 24,815$1,091,0000.47%
KENNEDY CAPITAL MANAGEMENT LLC 552,803$24,312,0000.47%
Spark Investment Management LLC 128,200$5,638,0000.46%
CONNORS INVESTOR SERVICES INC 54,178$2,383,0000.42%
View complete list of IROBOT CORP shareholders