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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
Massachusetts Financial Services
1
Massachusetts Financial Services
Massachusetts
$25M +$20.9M +206,127 New
Fidelity Investments
2
Fidelity Investments
Massachusetts
$22.1M +$883K +8,714 +5%
RA
3
Royce & Associates
New York
$20M +$341K +3,360 +2%
WRF
4
Waddell & Reed Financial
Kansas
$14.4M +$5.99M +59,100 +98%
BFA
5
BlackRock Fund Advisors
California
$12M +$577K +5,688 +6%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$7.41M -$23.1K -228 -0.4%
Vanguard Group
7
Vanguard Group
Pennsylvania
$7.11M +$263K +2,596 +5%
CAM
8
Cortina Asset Management
Wisconsin
$7.09M -$1.77M -17,434 -23%
BIT
9
BlackRock Institutional Trust
California
$6.79M +$414K +4,088 +8%
TAM
10
Tocqueville Asset Management
New York
$6.09M -$2.46M -24,281 -33%
ICM
11
Invicta Capital Management
New York
$6.05M +$4.05M +40,000 +400%
QAM
12
Quentec Asset Management
New York
$5.98M +$5.01M +49,400 New
EIM
13
Essex Investment Management
Massachusetts
$5.94M +$2.42M +23,852 +95%
Invesco
14
Invesco
Georgia
$5.42M +$2.37M +23,381 +109%
AI
15
Ariel Investments
Illinois
$4.93M -$10.2M -100,998 -71%
State Street
16
State Street
Massachusetts
$3.75M +$69.6K +687 +2%
RIM
17
RS Investment Management
California
$3.64M -$670K -6,610 -18%
IMIM
18
Irving Magee Investment Management
Pennsylvania
$3.55M – – –
LAM
19
Lapides Asset Management
Connecticut
$3.15M -$961K -9,480 -27%
Northern Trust
20
Northern Trust
Illinois
$3.14M +$123K +1,210 +5%
Lord, Abbett & Co
21
Lord, Abbett & Co
New Jersey
$2.81M +$2.35M +23,232 New
SCM
22
Signia Capital Management
Washington
$2.73M -$6.23M -61,486 -73%
Bank of New York Mellon
23
Bank of New York Mellon
New York
$2.26M +$528K +5,212 +39%
AF
24
Aegis Financial
Virginia
$2.17M -$4.04M -39,899 -69%
Royal Bank of Canada
25
Royal Bank of Canada
Ontario, Canada
$2.1M -$1.33M -13,161 -43%
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