ESSEX INVESTMENT MANAGEMENT CO LLC - RUBICON PROJ INC ownership

RUBICON PROJ INC's ticker is RUBI and the CUSIP is 78112V102. A total of 103 filers reported holding RUBICON PROJ INC in Q4 2017. The put-call ratio across all filers is 3.53 and the average weighting 0.1%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of RUBICON PROJ INC
ValueSharesWeighting
Q2 2020$480,000
+43.3%
72,000
-22.7%
0.08%
+102.6%
Q3 2018$335,000
+29.8%
93,155
+2.8%
0.04%
+21.9%
Q2 2018$258,000
+104.8%
90,622
+29.0%
0.03%
+88.2%
Q1 2018$126,000
+37.0%
70,240
+42.2%
0.02%
+41.7%
Q4 2017$92,000
-59.5%
49,388
+155.2%
0.01%
-65.7%
Q3 2014$227,00019,3560.04%
Other shareholders
RUBICON PROJ INC shareholders Q4 2017
NameSharesValueWeighting ↓
Roumell Asset Management, LLC 403,400$2,453,0005.97%
HARBERT FUND ADVISORS, INC. 773,900$4,705,0004.62%
B. Riley Financial, Inc. 1,465,523$8,910,0003.47%
PERKINS CAPITAL MANAGEMENT INC 630,350$3,833,0002.52%
Nishkama Capital, LLC 516,880$3,143,0002.35%
P.A.W. CAPITAL CORP 360,000$2,189,0002.17%
Millrace Asset Group, Inc. 303,358$1,845,0001.56%
EAM Investors, LLC 671,115$4,080,0001.00%
Manatuck Hill Partners, LLC 338,300$2,057,0000.98%
EAM Global Investors LLC 326,575$1,986,0000.88%
View complete list of RUBICON PROJ INC shareholders