RBCN

Rubicon Technology, Inc.
RBCN

Overview Fund Activity
Delisted

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

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52 hedge funds and large institutions have $11.8M invested in Rubicon Technology, Inc. in 2016 Q1 according to their latest regulatory filings, with 5 funds opening new positions, 8 increasing their positions, 22 reducing their positions, and 7 closing their positions.

Holders
52
Holders Change
-2
Holders Change %
-3.7%
% of All Funds
1.39%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
5
Increased
8
Reduced
22
Closed
7
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
RA
1
Royce & Associates
New York
$1.01M
2
WAM
2
Wolverine Asset Management
Illinois
$85K
3
Renaissance Technologies
3
Renaissance Technologies
New York
$369K
4
Prudential Financial
4
Prudential Financial
New Jersey
$36K
5
VKH
5
Virtu KCG Holdings
New York
$45K

Top Sellers

1
CWAM
1
Columbia Wanger Asset Management
Illinois
$810K
2
EA
2
Ecofin Advisors
United Kingdom
$617K
3
AI
3
Ariel Investments
Illinois
$3.23M
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$43K
5
ERSOT
5
Employees Retirement System of Texas
Texas
$0
Name Market Value Shares Shares
Change 		Shares
Change %
AI
1
Ariel Investments
Illinois
$3.23M 4,420,918 -346,447 -7%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$2.12M 2,909,417 -230,100 -7%
RA
3
Royce & Associates
New York
$1.01M 1,379,271 +403,722 +41%
CWAM
4
Columbia Wanger Asset Management
Illinois
$810K 1,109,518 -1,784,689 -62%
EA
5
Ecofin Advisors
United Kingdom
$617K 845,072 -666,644 -44%
AF
6
Aegis Financial
Virginia
$582K 797,700 -81,500 -9%
Vanguard Group
7
Vanguard Group
Pennsylvania
$542K 742,800 -20,074 -3%
BIT
8
BlackRock Institutional Trust
California
$382K 523,690 – –
New York State Common Retirement Fund
9
New York State Common Retirement Fund
New York
$369K 505,790 – –
Renaissance Technologies
10
Renaissance Technologies
New York
$369K 505,500 +107,809 +27%
RGI
11
River Global Investors
United Kingdom
$351K 471,900 – –
Northern Trust
12
Northern Trust
Illinois
$202K 211,366 -170 -0.1%
PRCP
13
Pacific Ridge Capital Partners
Oregon
$188K 257,820 -88,660 -26%
Ameriprise
14
Ameriprise
Minnesota
$122K 166,535 -188,754 -53%
Macquarie Group
15
Macquarie Group
Australia
$122K 166,780 -169,343 -50%
AA
16
Ancora Advisors
Ohio
$117K 160,700 – –
WAM
17
Wolverine Asset Management
Illinois
$85K 117,282 +117,282 New
T. Rowe Price Associates
18
T. Rowe Price Associates
Maryland
$49K 66,600 – –
BFA
19
BlackRock Fund Advisors
California
$47K 64,432 -5,150 -7%
California Public Employees Retirement System
20
California Public Employees Retirement System
California
$45K 61,300 – –
VKH
21
Virtu KCG Holdings
New York
$45K 61,836 +48,704 +371%
Dimensional Fund Advisors
22
Dimensional Fund Advisors
Texas
$43K 59,494 -251,932 -81%
SGAM
23
Smith Group Asset Management
Texas
$42K 57,380 +13,600 +31%
Connor, Clark & Lunn Investment Management (CC&L)
24
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$41K 55,750 – –
Goldman Sachs
25
Goldman Sachs
New York
$38K 51,433 -605 -1%
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