ESSEX INVESTMENT MANAGEMENT CO LLC - RUBICON PROJ INC ownership

RUBICON PROJ INC's ticker is RUBI and the CUSIP is 78112V102. A total of 108 filers reported holding RUBICON PROJ INC in Q4 2018. The put-call ratio across all filers is 0.32 and the average weighting 0.3%.

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 2018
NameSharesValueWeighting ↓
General Industrial Partners LLP 1,497,951$8,314,0007.49%
P.A.W. CAPITAL CORP 400,000$2,220,0002.99%
Cowen Prime Services LLC 589,800$3,273,0002.00%
PERKINS CAPITAL MANAGEMENT INC 284,283$1,578,0001.91%
Mesirow Financial Investment Management, Inc. 42,120$234,0001.47%
MYDA Advisors LLC 350,213$1,944,0001.21%
OBERWEIS ASSET MANAGEMENT INC/ 332,500$1,845,0001.02%
Manatuck Hill Partners, LLC 196,600$1,091,0001.00%
Granahan Investment Management 3,314,864$18,397,0000.99%
EAM Global Investors LLC 264,933$1,470,0000.86%
View complete list of RUBICON PROJ INC shareholders