RBCN

Rubicon Technology, Inc.
RBCN

Overview Fund Activity
Delisted

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

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102 hedge funds and large institutions have $89M invested in Rubicon Technology, Inc. in 2014 Q3 according to their latest regulatory filings, with 13 funds opening new positions, 37 increasing their positions, 34 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
102
Holders Change
-11
Holders Change %
-9.73%
% of All Funds
2.96%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
13
Increased
37
Reduced
34
Closed
24
Calls
$563K
Puts
$843K
Net Calls
-$280K
Net Calls Change
-$673K

Top Buyers

1
CWAM
Columbia Wanger Asset Management
Illinois
$10.6M
2
AI
Ariel Investments
Illinois
$9.38M
3
LAM
Lapides Asset Management
Connecticut
$1.94M
4
Renaissance Technologies
Renaissance Technologies
New York
$865K
5
Northern Trust
Northern Trust
Illinois
$1.93M

Top Sellers

1
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
$2.76M
2
ICM
Invicta Capital Management
New York
$0
3
RS
Robeco Schweiz
Switzerland
$0
4
EA
Ecofin Advisors
United Kingdom
$1.83M
5
IMIM
Irving Magee Investment Management
Pennsylvania
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
ProShare Advisors
76
ProShare Advisors
Maryland
$46K -$11.2K -266 -20%
PG
77
PEAK6 Group
Illinois
$45K -$1.73K -41 -4%
LSERS
78
Louisiana State Employees Retirement System
Louisiana
$45K -$421 -10 -0.9%
AllianceBernstein
79
AllianceBernstein
Tennessee
$43K – – –
PAM
80
Princeton Alpha Management
New Jersey
$43K +$43K +1,018 New
Group One Trading
81
Group One Trading
Illinois
$34K +$28K +659 +471%
HIM
82
Hillsdale Investment Management
Ontario, Canada
$32K +$32K +750 New
MERSOM
83
Municipal Employees' Retirement System of Michigan
Michigan
$26K +$1.73K +40 +7%
Bank of America
84
Bank of America
North Carolina
$24K -$8.59K -200 -26%
PI
85
PineBridge Investments
New York
$23K +$6.46K +148 +39%
Legal & General Group
86
Legal & General Group
United Kingdom
$21K +$21K +477 New
OA
87
OFI Advisors
Pennsylvania
$19K +$7.92K +185 +71%
Citadel Advisors
88
Citadel Advisors
Florida
$17K +$17K +393 New
MSA
89
Mason Street Advisors
Wisconsin
$12K -$82 -2 -0.7%
Wells Fargo
90
Wells Fargo
California
$11K -$2.85K -66 -21%
PVH
91
Psagot Value Holdings
Israel
$10K -$13.4K -306 -57%
BNP Paribas Financial Markets
92
BNP Paribas Financial Markets
France
$9.38K +$9.38K +221 New
LTFS
93
Ladenburg Thalmann Financial Services
Florida
$9K – – –
Citigroup
94
Citigroup
New York
$9K +$3.14K +77 +53%
BlackRock
95
BlackRock
New York
$3K – – –
TRCT
96
Tower Research Capital (TRC)
New York
$2K -$1.07K -23 -35%
MI
97
Markston International
New York
$1K – – –
Manulife (Manufacturers Life Insurance)
98
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$63 -$988 -23,266 -94%
ICM
99
Invicta Capital Management
New York
– -$10.9M -125,000 Closed
RS
100
Robeco Schweiz
Switzerland
– -$2.83M -32,000 Closed
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