WELLINGTON MANAGEMENT GROUP LLP - RUBICON TECHNOLOGY INC ownership

RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T107. A total of 100 filers reported holding RUBICON TECHNOLOGY INC in Q2 2013. The put-call ratio across all filers is 0.64 and the average weighting 0.1%.

Quarter-by-quarter ownership
WELLINGTON MANAGEMENT GROUP LLP ownership history of RUBICON TECHNOLOGY INC
ValueSharesWeighting
Q3 2014$266,000
+125.4%
62,705
+426.9%
0.00%
Q4 2013$118,000
-18.1%
11,9000.0%0.00%
Q3 2013$144,000
+51.6%
11,9000.0%0.00%
Q2 2013$95,00011,9000.00%
Other shareholders
RUBICON TECHNOLOGY INC shareholders Q2 2013
NameSharesValueWeighting ↓
QUENTEC ASSET MANAGEMENT LLC 940,625$3,997,0001.06%
AGF Investments America Inc. 245,200$1,042,0000.40%
Pacific Ridge Capital Partners, LLC 182,540$776,0000.40%
Ecofin Advisors Ltd 431,090$1,832,0000.32%
ZEKE CAPITAL ADVISORS, LLC 83,000$353,0000.32%
Lapides Asset Management, LLC 456,800$1,941,0000.27%
RIVER GLOBAL INVESTORS LLP 283,900$1,207,0000.24%
Cortina Asset Management, LLC 927,670$3,943,0000.17%
Ariel Investments 2,206,147$9,376,0000.12%
BOURGEON CAPITAL MANAGEMENT LLC 25,000$106,0000.06%
View complete list of RUBICON TECHNOLOGY INC shareholders