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 %
Bank of New York Mellon
26
Bank of New York Mellon
New York
$1.84M +$304K +2,693 +20%
LCG
27
Lisanti Capital Growth
New York
$1.75M +$1.75M +15,499 New
Federated Hermes
28
Federated Hermes
Pennsylvania
$1.69M +$1.69M +15,000 New
Royal Bank of Canada
29
Royal Bank of Canada
Ontario, Canada
$1.61M -$210K -1,862 -12%
Principal Financial Group
30
Principal Financial Group
Iowa
$1.54M +$377K +3,341 +32%
New York State Common Retirement Fund
31
New York State Common Retirement Fund
New York
$1.41M -$1.5M -13,330 -52%
Geode Capital Management
32
Geode Capital Management
Massachusetts
$1.31M +$213K +1,891 +19%
QSS
33
Quantitative Systematic Strategies
Florida
$1.26M +$1.26M +10,981 New
VDBMI
34
Van Den Berg Management I
Texas
$1.25M -$1.36K -12 -0.1%
Susquehanna International Group
35
Susquehanna International Group
Pennsylvania
$1.23M -$56.6K -501 -4%
U
36
UBS
Switzerland
$1.16M -$108K -960 -9%
GC
37
Guggenheim Capital
Illinois
$1.06M -$157K -1,390 -13%
RGI
38
River Global Investors
United Kingdom
$1.06M +$113K +1,000 +12%
Ameriprise
39
Ameriprise
Minnesota
$1.04M +$235K +2,079 +29%
PRCP
40
Pacific Ridge Capital Partners
Oregon
$1.02M -$73.6K -652 -7%
EI
41
EAM Investors
California
$981K +$981K +8,686 New
Goldman Sachs
42
Goldman Sachs
New York
$940K +$332K +2,942 +55%
ZCA
43
Zeke Capital Advisors
Pennsylvania
$937K -$11.3K -100 -1%
BIM
44
BlackRock Investment Management
Delaware
$923K +$154K +1,360 +20%
TCIM
45
TIAA CREF Investment Management
New York
$867K – – –
AAP
46
Ardsley Advisory Partners
Connecticut
$761K +$761K +6,740 New
First Trust Advisors
47
First Trust Advisors
Illinois
$734K +$363K +3,217 +98%
AP
48
Alydar Partners
Massachusetts
$728K +$728K +6,448 New
Millennium Management
49
Millennium Management
New York
$647K +$647K +5,735 New
1CM
50
1492 Capital Management
Wisconsin
$632K +$632K +5,598 New
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