RBCN

Rubicon Technology, Inc.
RBCN

Overview Fund Activity
Delisted

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

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113 hedge funds and large institutions have $201M invested in Rubicon Technology, Inc. in 2014 Q2 according to their latest regulatory filings, with 18 funds opening new positions, 52 increasing their positions, 28 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
113
Holders Change
-13
Holders Change %
-10.32%
% of All Funds
3.25%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
18
Increased
52
Reduced
28
Closed
31
Calls
$2M
Puts
$1.6M
Net Calls
+$393K
Net Calls Change
-$5.42M

Top Buyers

1
EA
Ecofin Advisors
United Kingdom
$9.43M
2
ICM
Invicta Capital Management
New York
$10.9M
3
AI
Ariel Investments
Illinois
$11.8M
4
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
$28.9M
5
Fidelity Investments
Fidelity Investments
Massachusetts
$19.8M

Top Sellers

1
WMSA
Weiss Multi-Strategy Advisers
New York
$0
2
WRF
Waddell & Reed Financial
Kansas
$0
3
ZDA
Zweig-DiMenna Associates
New York
$0
4
RA
Royce & Associates
New York
$14.3M
5
LCG
Lisanti Capital Growth
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
CS
76
Credit Suisse
Switzerland
$131K -$1.33M -15,224 -91%
CCM
77
Coldstream Capital Management
Washington
$120K +$120K +1,370 New
ProShare Advisors
78
ProShare Advisors
Maryland
$118K -$72.7K -834 -38%
BG
79
BlackRock Group
United Kingdom
$114K -$7.05K -81 -6%
Nuveen Asset Management
80
Nuveen Asset Management
Illinois
$113K +$3.07K +35 +3%
Deutsche Bank
81
Deutsche Bank
Germany
$107K -$19.9K -230 -16%
AG
82
Aperio Group
California
$107K +$9.27K +106 +9%
Stifel Financial
83
Stifel Financial
Missouri
$104K -$14.7K -168 -12%
PG
84
PEAK6 Group
Illinois
$97K +$97K +1,106 New
WBC
85
Westpac Banking Corp
Australia
$95.4K +$27.3K +312 +40%
LSERS
86
Louisiana State Employees Retirement System
Louisiana
$95K +$3.52K +40 +4%
Capital Fund Management (CFM)
87
Capital Fund Management (CFM)
France
$95K +$95K +1,080 New
AllianceBernstein
88
AllianceBernstein
Tennessee
$88K +$81.8K +930 +1,329%
Bank of America
89
Bank of America
North Carolina
$67K -$103K -1,163 -61%
MERSOM
90
Municipal Employees' Retirement System of Michigan
Michigan
$49K +$7K +80 +17%
PVH
91
Psagot Value Holdings
Israel
$47K +$12.8K +145 +37%
PI
92
PineBridge Investments
New York
$34K -$12.2K -136 -26%
Barclays
93
Barclays
United Kingdom
$30K -$72.8K -908 -71%
Wells Fargo
94
Wells Fargo
California
$28K +$16.2K +186 +138%
MSA
95
Mason Street Advisors
Wisconsin
$26K +$4.61K +52 +22%
OA
96
OFI Advisors
Pennsylvania
$23K +$11.2K +126 +95%
VFA
97
Virtus Fund Advisers
Connecticut
$20K +$20K +223 New
LTFS
98
Ladenburg Thalmann Financial Services
Florida
$18K -$10.8K -120 -38%
Citigroup
99
Citigroup
New York
$13K -$47.4K -525 -78%
Group One Trading
100
Group One Trading
Illinois
$12K +$4.8K +56 +67%
2 3
4
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