RBCN

Rubicon Technology, Inc.
RBCN

Overview Fund Activity
Delisted

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

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35 hedge funds and large institutions have $8.89M invested in Rubicon Technology, Inc. in 2017 Q1 according to their latest regulatory filings, with 5 funds opening new positions, 12 increasing their positions, 8 reducing their positions, and 5 closing their positions.

Holders
35
Holders Change
-4
Holders Change %
-10.26%
% of All Funds
0.87%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
5
Increased
12
Reduced
8
Closed
5
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
BlackRock
1
BlackRock
New York
$447K
2
BP
2
Bandera Partners
New York
$304K
3
RGI
3
River Global Investors
United Kingdom
$611K
4
Renaissance Technologies
4
Renaissance Technologies
New York
$746K
5
KBC Group
5
KBC Group
Belgium
$45K

Top Sellers

1
AI
1
Ariel Investments
Illinois
$2.06M
2
AF
2
Aegis Financial
Virginia
$0
3
BCM
3
Bourgeon Capital Management
Connecticut
$0
4
IAM
4
ICM Asset Management
Washington
$0
5
WAM
5
Wolverine Asset Management
Illinois
$295K
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$2.3M 2,763,209 – –
AI
2
Ariel Investments
Illinois
$2.06M 2,467,591 -784,135 -24%
Renaissance Technologies
3
Renaissance Technologies
New York
$746K 896,000 +63,100 +8%
RA
4
Royce & Associates
New York
$668K 801,705 +30,615 +4%
RGI
5
River Global Investors
United Kingdom
$611K 714,324 +242,424 +51%
BlackRock
6
BlackRock
New York
$447K 537,025 +537,025 New
New York State Common Retirement Fund
7
New York State Common Retirement Fund
New York
$421K 505,791 +1 +0%
BP
8
Bandera Partners
New York
$304K 364,727 +364,727 New
WAM
9
Wolverine Asset Management
Illinois
$295K 354,256 -10,000 -3%
Vanguard Group
10
Vanguard Group
Pennsylvania
$238K 285,467 +500 +0.2%
AA
11
Ancora Advisors
Ohio
$134K 160,700 – –
Deutsche Bank
12
Deutsche Bank
Germany
$114K 137,968 +6,630 +5%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$99K 119,364 +378 +0.3%
Northern Trust
14
Northern Trust
Illinois
$54K 65,391 -2,941 -4%
Susquehanna International Group
15
Susquehanna International Group
Pennsylvania
$54K 64,237 +39,502 +160%
Goldman Sachs
16
Goldman Sachs
New York
$52K 62,342 -7,446 -11%
California Public Employees Retirement System
17
California Public Employees Retirement System
California
$51K 61,300 – –
Citadel Advisors
18
Citadel Advisors
Florida
$48K 57,764 +39,280 +213%
Connor, Clark & Lunn Investment Management (CC&L)
19
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$46K 55,750 – –
KBC Group
20
KBC Group
Belgium
$45K 54,526 +54,526 New
Bank of New York Mellon
21
Bank of New York Mellon
New York
$25K 29,569 +5,719 +24%
Morgan Stanley
22
Morgan Stanley
New York
$19K 23,044 -3,000 -12%
UBS Group
23
UBS Group
Switzerland
$18K 22,105 +20,705 +1,479%
VKH
24
Virtu KCG Holdings
New York
$12K 14,276 -159 -1%
TSS
25
Two Sigma Securities
New York
$11K 13,456 +13,456 New
1
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