Rubicon Technology Inc (RBCN) Ownership

1.84 ↓0.03 (-1.60%)
As of December 2, 2022, 10:01am EST.

Institutional Ownership

Bandera Partners LLC is the biggest individual institutional holder of Rubicon Technology Inc (RBCN), owning a total of 258 thousand shares. Combined, the top 18 institutional holders of RBCN own 18.29% of the company with a total of 450 thousand shares.

In the latest ownership report on September 30th 2022, the top 18 institutional holders decreased their combined ownership of RBCN by 11 thousand shares. 2 institutions bought 71,781 total additional shares and increased their ownership by an average of 0.00%. However 3 institutions sold 82,685 total shares and decreased their ownership by an average of 100%.

Overall this is a negative sign as the number of shares owned by the top 20 institutional holders of Rubicon Technology decreased by a net total of -10,904 in the latest quarter.

Institution Ownership Chart

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Latest Institutional Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Css LLC1.894%0.000%46,65446,6542022-09-30
Ellsworth Advisors, LLC1.020%0.000%25,12725,1272022-09-30
Marquette Asset Management Inc.0.000%-100.000%0-9,9212022-09-30
Vanguard Group Inc0.000%-100.000%0-72,6642022-09-30
West Bancorp Inc0.000%-100.000%0-1002022-09-30

Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Bandera Partners LLC10.486%0.000%258,25602022-06-30
Renaissance Technologies Corp3.844%-2.170%94,679-2,1002022-06-30
Css LLC1.894%0.000%46,65446,6542022-09-30
Ellsworth Advisors, LLC1.020%0.000%25,12725,1272022-09-30
Geode Capital Management, LLC0.481%2.395%11,8432772022-06-30
Advisor Group Holdings, Inc.0.460%-5.034%11,320-6002022-06-30
UBS Group AG0.028%535.514%6805732022-06-30
Tower Research Capital LLC0.021%-55.357%525-6512022-06-30
AlphaMark Advisors, LLC0.020%0.000%50002022-06-30
Citigroup Inc0.015%0.000%3633632022-06-30
Rockefeller Capital Management L.P.0.009%0.000%2202202022-06-30
JPMorgan Chase & Co0.006%-56.749%141-1852022-06-30
Credit Suisse First Boston (CSFB)0.001%0.000%26262022-06-30
Wells Fargo & Co0.001%7.143%1512022-06-30
Marquette Asset Management Inc.0.000%-100.000%0-9,9212022-09-30
Bedel Financial Consulting Inc0.000%-100.000%0-812022-06-30
Vanguard Group Inc0.000%-100.000%0-72,6642022-09-30
West Bancorp Inc0.000%-100.000%0-1002022-09-30

Mutual Fund Ownership

Fidelity® Extended Market Index is the biggest individual fund holder of Rubicon Technology Inc (RBCN), owning a total of 6 thousand shares. Combined, the top 20 mutual fund holders of RBCN own 1.03% of the company with a total of 25 thousand shares.

In the latest ownership report on October 31st 2022, the top 20 fund holders not made any changes to their ownership of RBCN. None of the mutual funds bought any additional shares.

Overall this is a neutral sign as the number of shares owned by the top 20 mutual funds holding Rubicon Technology stayed the same in the latest report.

Mutual Funds Chart

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Latest Mutual Fund Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
iShares Core S&P Total US Stock Mkt ETF0.017%0.000%41802022-10-31
State St US Extended Mkt Indx NL Cl C0.015%0.000%36202022-10-31

Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Fidelity® Extended Market Index0.256%0.000%6,31202022-09-30
BlackRock Extended Mkt Composite0.211%0.000%5,1945,1942022-06-30
BlackRock Extended Equity Market K0.093%-50.756%2,279-2,3492022-09-30
Fidelity® Series Total Market Index0.083%0.000%2,03202022-09-30
Fidelity® Total Market Index0.054%0.000%1,32302022-09-30
DFA US Micro Cap I0.041%0.000%99702022-09-30
Northern Trust Extended Eq Market Idx0.037%-50.297%921-9322022-09-30
NT Ext Equity Mkt Idx Fd - L0.037%-50.297%921-9322022-09-30
Gabelli Global Mini Mites I0.033%0.000%80002022-06-30
DFA US Core Equity 2 I0.029%0.000%71302022-09-30
DFA US Core Equity 1 I0.023%0.000%56802022-09-30
NT Quality Small Cap Core0.018%-50.281%443-4482022-09-30
NT Quality SCC US Fund - L0.018%-50.281%443-4482022-09-30
iShares Core S&P Total US Stock Mkt ETF0.017%0.000%41802022-10-31
NT Ext Equity Mkt Idx Fd - NL0.016%-50.372%400-4062022-09-30
SSgA U.S. Extended Market Index Class I0.015%-50.343%362-3672022-09-30
State St US Extended Mkt Indx NL Cl C0.015%0.000%36202022-10-31
Fidelity® NASDAQ Composite Index®0.014%0.000%33202022-09-30
NT Ext Equity Mkt Idx Fd - DC - NL - T20.013%-49.689%323-3192022-09-30
Spartan Total Market Index Pool E0.009%0.000%21202022-09-30

Discussions

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tighttechniq

$RBCN this market love evrry dips let’s see

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jchonnee

$RBCN somebody knows something

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Modok

$RBCN i hate money so im buying

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145zip

$RBCN just fucking go already jeesh

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