RBCN

Rubicon Technology, Inc.
RBCN

Overview Fund Activity
Delisted

RBCN was delisted on the 29th of December, 2022.

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18 hedge funds and large institutions have $5.92M invested in Rubicon Technology, Inc. in 2019 Q1 according to their latest regulatory filings, with 1 funds opening new positions, 2 increasing their positions, 7 reducing their positions, and 1 closing their positions.

Holders
18
Holders Change
–
Holders Change %
0%
% of All Funds
0.39%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
1
Increased
2
Reduced
7
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
AI
1
Ariel Investments
Illinois
$1.17M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$211K

Top Sellers

1
Susquehanna International Group
1
Susquehanna International Group
Pennsylvania
$117K
2
Deutsche Bank
2
Deutsche Bank
Germany
$12K
3
Renaissance Technologies
3
Renaissance Technologies
New York
$842K
4
UBS Group
4
UBS Group
Switzerland
$1K
5
TRCT
5
Tower Research Capital (TRC)
New York
$6K
Name Market Value Shares Shares
Change 		Shares
Change %
BP
1
Bandera Partners
New York
$2.08M 258,256 – –
AI
2
Ariel Investments
Illinois
$1.17M 145,316 +681 +0.5%
Renaissance Technologies
3
Renaissance Technologies
New York
$842K 104,368 -4,851 -4%
RGI
4
River Global Investors
United Kingdom
$779K 96,690 – –
BlackRock
5
BlackRock
New York
$401K 49,603 – –
Vanguard Group
6
Vanguard Group
Pennsylvania
$211K 26,119 +300 +1%
WAM
7
Wolverine Asset Management
Illinois
$178K 22,076 -100 -0.5%
Susquehanna International Group
8
Susquehanna International Group
Pennsylvania
$117K 14,524 -8,373 -37%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$91K 11,352 – –
Deutsche Bank
10
Deutsche Bank
Germany
$12K 1,580 -8,415 -84%
Northern Trust
11
Northern Trust
Illinois
$9K 1,151 -25 -2%
TRCT
12
Tower Research Capital (TRC)
New York
$6K 783 -214 -21%
Morgan Stanley
13
Morgan Stanley
New York
$6K 796 – –
Bank of America
14
Bank of America
North Carolina
$6K 800 – –
UBS Group
15
UBS Group
Switzerland
$1K 140 -1,023 -88%
BFC
16
Bedel Financial Consulting
Indiana
$1K 81 – –
Bank of Montreal
17
Bank of Montreal
Ontario, Canada
– – -62 Closed
Group One Trading
18
Group One Trading
Illinois
$0 1 – –
CFGS
19
Concourse Financial Group Securities
Alabama
– – – –
IWP
20
Icon Wealth Partners
Texas
$0 50 +50 New