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RBCN

Rubicon Technology, Inc.
RBCN

Delisted

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

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Name Holding Trade Value Shares
Change 		Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$13.9M +$12.7M +174,131 New
RA
2
Royce & Associates
New York
$12.9M +$11.8M +161,512 New
AI
3
Ariel Investments
Illinois
$11.3M +$10.4M +141,742 New
BFA
4
BlackRock Fund Advisors
California
$7.42M +$6.8M +93,074 New
SCM
5
Signia Capital Management
Washington
$6.7M +$6.14M +84,015 New
CAM
6
Cortina Asset Management
Wisconsin
$6.06M +$5.55M +75,981 New
TAM
7
Tocqueville Asset Management
New York
$5.94M +$5.45M +74,586 New
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$4.92M +$4.49M +61,434 New
WRF
9
Waddell & Reed Financial
Kansas
$4.81M +$4.39M +60,050 New
AF
10
Aegis Financial
Virginia
$4.61M +$4.23M +57,848 New
Vanguard Group
11
Vanguard Group
Pennsylvania
$4.5M +$4.1M +56,123 New
BIT
12
BlackRock Institutional Trust
California
$4.14M +$3.79M +51,949 New
PC
13
Passport Capital
California
$3.75M +$3.44M +47,053 New
RIM
14
RS Investment Management
California
$2.94M +$2.68M +36,692 New
LAM
15
Lapides Asset Management
Connecticut
$2.83M +$2.59M +35,510 New
Royal Bank of Canada
16
Royal Bank of Canada
Ontario, Canada
$2.44M +$2.23M +30,489 New
State Street
17
State Street
Massachusetts
$2.43M +$2.21M +30,281 New
IMIM
18
Irving Magee Investment Management
Pennsylvania
$2.34M +$2.14M +29,308 New
HRCM
19
Hood River Capital Management
Florida
$2.13M +$1.95M +26,678 New
EIM
20
Essex Investment Management
Massachusetts
$2.01M +$1.84M +25,200 New
Northern Trust
21
Northern Trust
Illinois
$1.97M +$1.8M +24,708 New
DADC
22
D.A. Davidson & Co
Montana
$1.97M +$1.8M +24,665 New
Invesco
23
Invesco
Georgia
$1.7M +$1.56M +21,369 New
NTCOC
24
Northern Trust Company of Connecticut
Connecticut
$1.55M +$1.42M +19,416 New
BCM
25
Brightfield Capital Management
New York
$1.4M +$1.28M +17,500 New
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