ELLINGTON MANAGEMENT GROUP LLC - IROBOT CORP ownership

IROBOT CORP's ticker is IRBT and the CUSIP is 462726100. A total of 183 filers reported holding IROBOT CORP in Q4 2014. The put-call ratio across all filers is 1.69 and the average weighting 0.1%.

Quarter-by-quarter ownership
ELLINGTON MANAGEMENT GROUP LLC ownership history of IROBOT CORP
ValueSharesWeighting
Q4 2014$201,000
-30.0%
5,800
-17.1%
0.07%
-20.2%
Q1 2014$287,000
+0.7%
7,000
-14.6%
0.08%
-17.6%
Q4 2013$285,0008,2000.10%
Other shareholders
IROBOT CORP shareholders Q4 2014
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