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 %
ProShare Advisors
76
ProShare Advisors
Maryland
$247K +$247K +2,188 New
RU
77
RobecoSam USA
New York
$237K +$237K +2,100 New
TPSF
78
Texas Permanent School Fund
Texas
$233K +$22.6K +200 +11%
BPC
79
Banque Pictet & Cie
Switzerland
$226K – – –
PSC
80
Piper Sandler & Co
Minnesota
$226K +$226K +2,000 New
Comerica Bank
81
Comerica Bank
Texas
$223K +$12.8K +113 +6%
Bank of America
82
Bank of America
North Carolina
$217K -$221K -1,956 -50%
Tudor Investment Corp
83
Tudor Investment Corp
Connecticut
$215K +$215K +1,908 New
Connor, Clark & Lunn Investment Management (CC&L)
84
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$212K +$212K +1,700 New
MLICM
85
Metropolitan Life Insurance Company (MetLife)
New York
$212K +$212K +1,881 New
ASRS
86
Arizona State Retirement System
Arizona
$202K +$45.1K +400 +29%
State of Tennessee, Department of Treasury
87
State of Tennessee, Department of Treasury
Tennessee
$201K -$4.52K -40 -2%
California Public Employees Retirement System
88
California Public Employees Retirement System
California
$200K -$1.34M -11,990 -87%
PPA
89
Parametric Portfolio Associates
Washington
$190K -$1.8K -16 -0.9%
SCM
90
Stevens Capital Management
Pennsylvania
$190K +$190K +1,680 New
DC
91
Deere & Company
Illinois
$184K +$184K +1,627 New
D.E. Shaw & Co
92
D.E. Shaw & Co
New York
$167K +$167K +1,482 New
BA
93
BlackRock Advisors
Delaware
$165K +$32.2K +285 +24%
Deutsche Bank
94
Deutsche Bank
Germany
$165K +$75.5K +670 +84%
AIG
95
American International Group
New York
$159K -$790 -7 -0.5%
BG
96
BlackRock Group
United Kingdom
$157K +$3.95K +35 +3%
Stifel Financial
97
Stifel Financial
Missouri
$153K +$153K +1,358 New
Nuveen Asset Management
98
Nuveen Asset Management
Illinois
$142K +$142K +1,254 New
Barclays
99
Barclays
United Kingdom
$141K +$114K +1,034 +417%
AG
100
Aperio Group
California
$126K +$126K +1,117 New
2 3
4
5 6