RBCN

Rubicon Technology, Inc.
RBCN

Overview Fund Activity
Delisted

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

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126 hedge funds and large institutions have $267M invested in Rubicon Technology, Inc. in 2014 Q1 according to their latest regulatory filings, with 48 funds opening new positions, 37 increasing their positions, 29 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
126
Holders Change
+36
Holders Change %
+40%
% of All Funds
3.64%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
48
Increased
37
Reduced
29
Closed
11
Calls
$6.21M
Puts
$389K
Net Calls
+$5.82M
Net Calls Change
+$5.04M

Top Buyers

1
WMSA
Weiss Multi-Strategy Advisers
New York
+$13.9M
2
CAM
Cortina Asset Management
Wisconsin
+$11M
3
SCA
SAC Capital Advisors
Connecticut
+$9.42M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$5.88M
5
ICM
Invicta Capital Management
New York
+$3.39M

Top Sellers

1
AI
Ariel Investments
Illinois
-$13.3M
2
PC
Passport Capital
California
-$2.2M
3
New York State Common Retirement Fund
New York State Common Retirement Fund
New York
-$1.5M
4
California Public Employees Retirement System
California Public Employees Retirement System
California
-$1.34M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$1.29M
Name Holding Trade Value Shares
Change 		Shares
Change %
Zurich Cantonal Bank
101
Zurich Cantonal Bank
Switzerland
$124K – – –
LSERS
102
Louisiana State Employees Retirement System
Louisiana
$117K +$117K +1,040 New
WBC
103
Westpac Banking Corp
Australia
$87.9K -$8.36K -74 -9%
Citigroup
104
Citigroup
New York
$76K -$48.5K -427 -39%
PI
105
PineBridge Investments
New York
$59K +$8.13K +71 +16%
MERSOM
106
Municipal Employees' Retirement System of Michigan
Michigan
$54K +$54K +480 New
PVH
107
Psagot Value Holdings
Israel
$44K -$9.95K -88 -18%
LTFS
108
Ladenburg Thalmann Financial Services
Florida
$36K -$22.5K -200 -38%
QT
109
Quantbot Technologies
New York
$29K +$29K +260 New
MSA
110
Mason Street Advisors
Wisconsin
$27K -$4.48K -40 -14%
Marshall Wace
111
Marshall Wace
United Kingdom
$25K +$25K +223 New
FMA
112
FNY Managed Accounts
New York
$23K +$23K +200 New
Canada Pension Plan Investment Board
113
Canada Pension Plan Investment Board
Ontario, Canada
$21K +$21K +190 New
OA
114
OFI Advisors
Pennsylvania
$15K -$11.7K -104 -44%
Wells Fargo
115
Wells Fargo
California
$15K – – –
TRCT
116
Tower Research Capital (TRC)
New York
$13K -$23.4K -214 -64%
Group One Trading
117
Group One Trading
Illinois
$10K -$42.7K -359 -81%
TDC
118
Thompson Davis & Co
Virginia
$9K +$9K +75 New
AllianceBernstein
119
AllianceBernstein
Tennessee
$8K +$8K +70 New
BlackRock
120
BlackRock
New York
$6K – – –
MI
121
Markston International
New York
$3K – – –
Manulife (Manufacturers Life Insurance)
122
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.79K +$26 +234 +1%
NES
123
New England Securities
New York
$2K +$182 +2 +10%
HR
124
Howe & Rusling
New York
$1K – – –
Walleye Trading
125
Walleye Trading
New York
$46 +$46 +410 New
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