Who owns Rubicon Technology?

Key details on Rubicon Technology (Ticker: RBCN)

Who owns Rubicon Technology?

Is RBCN a good stock to own? Find out who bought Rubicon Technology, who sold Rubicon Technology (RBCN) stock, and who holds a large position in Rubicon Technology.

Fund Name Number of Shares Share Valuation As Of
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 3.31M $28.92M June 30, 2014
Sparta Asset Management 2.24M $22.89M June 30, 2012
FMR 2.05M $23.13M March 31, 2014
Royce & Associates 1.63M $14.30M June 30, 2014
Invicta Capital Management 1.25M $10.94M June 30, 2014
WEISS MULTI-STRATEGY ADVISERS 1.23M $13.91M March 31, 2014
Waddell & Reed Financial 1.19M $13.45M March 31, 2014
BlackRock Fund Advisors 1.19M $5.04M Sept. 30, 2014
Ecofin 1.08M $9.43M June 30, 2014
Quentec Asset Management 995927 $8.71M June 30, 2014
Cortina Asset Management 951794 $8.33M June 30, 2014
Signia Capital Management 840148 $6.70M June 30, 2013
S.A.C. Capital Advisors 833900 $9.41M March 31, 2014
Vanguard 797347 $6.97M June 30, 2014
BlackRock Institutional Trust Company, N.A. 784856 $3.34M Sept. 30, 2014
Ariel Investments 761517 $8.60M March 31, 2014
Tocqueville Asset Management 615514 $2.62M Sept. 30, 2014
Aegis Financial Corporation 578482 $4.61M June 30, 2013
OHIO PERS 550615 $5.74M March 31, 2012
Inves 514906 $5.80M March 31, 2014
DIMENSIONAL FUND ADVISORS 501671 $4.39M June 30, 2014
ESSEX INVESTMENT MANAGEMENT 490518 $5.94M Sept. 30, 2013
NORTHERN TRUST 439115 $4.95M March 31, 2014
Roxbury Capital Management 387905 $3.96M June 30, 2012
STATE STREET CORPORATION 380275 $3.33M June 30, 2014
RS INVESTMENT MANAGEMENT 366922 $2.94M June 30, 2013
Lapides Asset Management 355100 $2.83M June 30, 2013
AlphaOne Investment Services 351990 $3.37M Sept. 30, 2012

Who sold Rubicon Technology?

Fund Name Date Sold Number of Shares Sold Share Valuation
SAM Sustainable Asset Management June 30, 2011 2.61M $42.91M
Hound Partners June 30, 2011 973200 $16.41M
Tiger Global Management June 30, 2011 750000 $12.64M
First Trust Advisors June 30, 2011 546605 $9.22M
Robeco Institutional Asset Management B V June 30, 2011 418000 $7.05M
GOLDMAN SACHS June 30, 2011 342646 $5.78M
DnB NOR Asset Management AS March 31, 2011 1.12M $31.10B
Allianz Global Investors of America March 31, 2011 991078 $27.43M
BAM March 31, 2011 750000 $20.76M
Kleinheinz Capital Partners March 31, 2011 500000 $13.84M
UBS AG March 31, 2011 359959 $9.96M
Zevenbergen Capital Investments Dec. 31, 2010 708650 $14.94M
Ardsley Advisory Partners Dec. 31, 2010 695000 $14.65M
Adage Capital Partners GP Dec. 31, 2010 661000 $13.93M
Empire Capital Management Dec. 31, 2010 495000 $10.44B
Mason Street Advisors Dec. 31, 2010 382321 $8.06M
Perimeter Capital Partners Dec. 31, 2010 335611 $7.07M