RBCN

Rubicon Technology, Inc.
RBCN

Overview Fund Activity
Delisted

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

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54 hedge funds and large institutions have $22.4M invested in Rubicon Technology, Inc. in 2015 Q4 according to their latest regulatory filings, with 5 funds opening new positions, 14 increasing their positions, 18 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
54
Holders Change
-2
Holders Change %
-3.57%
% of All Funds
1.42%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
5
Increased
14
Reduced
18
Closed
7
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Macquarie Group
Macquarie Group
Australia
$383K
2
Ameriprise
Ameriprise
Minnesota
$405K
3
AFM
Anson Funds Management
Texas
$158K
4
Renaissance Technologies
Renaissance Technologies
New York
$453K
5
PRCP
Pacific Ridge Capital Partners
Oregon
$395K

Top Sellers

1
AI
Ariel Investments
Illinois
$5.44M
2
RA
Royce & Associates
New York
$1.11M
3
LAM
Lapides Asset Management
Connecticut
$0
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
$355K
5
Millennium Management
Millennium Management
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Millennium Management
51
Millennium Management
New York
– -$102K -9,868 Closed
PPA
52
Parametric Portfolio Associates
Washington
– -$11K -1,046 Closed
Walleye Trading
53
Walleye Trading
New York
– -$3K -257 Closed
HCMT
54
Highland Capital Management (Tennessee)
Tennessee
– -$1K -50 Closed
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