RBCN

Rubicon Technology, Inc.
RBCN

Overview Fund Activity
Delisted

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

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26 hedge funds and large institutions have $8.36M invested in Rubicon Technology, Inc. in 2017 Q4 according to their latest regulatory filings, with 3 funds opening new positions, 8 increasing their positions, 6 reducing their positions, and 1 closing their positions.

Holders
26
Holders Change
+2
Holders Change %
+8.33%
% of All Funds
0.59%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
3
Increased
8
Reduced
6
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
BP
1
Bandera Partners
New York
$2.06M
2
New York State Common Retirement Fund
2
New York State Common Retirement Fund
New York
$565K
3
Renaissance Technologies
3
Renaissance Technologies
New York
$999K
4
AI
4
Ariel Investments
Illinois
$1.46M
5
VFA
5
Valeo Financial Advisors
Indiana
$12K

Top Sellers

1
RA
1
Royce & Associates
New York
$0
2
BCM
2
Bridgeway Capital Management
Texas
$205K
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$187K
4
Deutsche Bank
4
Deutsche Bank
Germany
$214K
5
Morgan Stanley
5
Morgan Stanley
New York
$6K
Name Market Value Shares Shares
Change 		Shares
Change %
BP
1
Bandera Partners
New York
$2.06M 258,256 +221,784 +608%
AI
2
Ariel Investments
Illinois
$1.46M 182,827 +4,835 +3%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$1.05M 131,205 – –
Renaissance Technologies
4
Renaissance Technologies
New York
$999K 125,140 +6,300 +5%
RGI
5
River Global Investors
United Kingdom
$773K 96,690 +1,240 +1%
New York State Common Retirement Fund
6
New York State Common Retirement Fund
New York
$565K 70,679 +20,100 +40%
BlackRock
7
BlackRock
New York
$400K 50,132 – –
WAM
8
Wolverine Asset Management
Illinois
$267K 33,490 – –
Deutsche Bank
9
Deutsche Bank
Germany
$214K 26,835 -1,800 -6%
BCM
10
Bridgeway Capital Management
Texas
$205K 25,600 -7,000 -21%
Vanguard Group
11
Vanguard Group
Pennsylvania
$187K 23,390 -3,137 -12%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$90K 11,352 -305 -3%
UBS Group
13
UBS Group
Switzerland
$29K 3,561 +1,377 +63%
TRCT
14
Tower Research Capital (TRC)
New York
$22K 2,786 +254 +10%
VFA
15
Valeo Financial Advisors
Indiana
$12K 1,500 +1,500 New
Morgan Stanley
16
Morgan Stanley
New York
$6K 786 -1,510 -66%
Wells Fargo
17
Wells Fargo
California
$5K 593 – –
GWM
18
Geneos Wealth Management
Colorado
$4K 588 – –
IP
19
Intellectus Partners
California
$3K 400 – –
ASN
20
Advisory Services Network
Georgia
$2K 195 – –
DCM
21
Delpha Capital Management
New York
$2K 233 +233 New
Bank of America
22
Bank of America
North Carolina
$1K 150 -120 -44%
Royal Bank of Canada
23
Royal Bank of Canada
Ontario, Canada
$1K 142 +30 +27%
RA
24
Royce & Associates
New York
– – -77,301 Closed
Bank of Montreal
25
Bank of Montreal
Ontario, Canada
$0 62 – –
1
2