RBCN

Rubicon Technology, Inc.
RBCN

Overview Fund Activity
Delisted

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

Back to rankings

101 hedge funds and large institutions have $138M invested in Rubicon Technology, Inc. in 2013 Q2 according to their latest regulatory filings, with 101 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

Holders
101
Holders Change
+101
Holders Change %
–
% of All Funds
3.3%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
101
Increased
–
Reduced
–
Closed
–
Calls
$1.29M
Puts
$707K
Net Calls
+$579K
Net Calls Change
+$579K

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$13.9M
2
RA
2
Royce & Associates
New York
$12.9M
3
AI
3
Ariel Investments
Illinois
$11.3M
4
BFA
4
BlackRock Fund Advisors
California
$7.42M
5
SCM
5
Signia Capital Management
Washington
$6.7M

Top Sellers

No sellers this quarter
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$13.9M 1,741,305 +1,741,305 New
RA
2
Royce & Associates
New York
$12.9M 1,615,122 +1,615,122 New
AI
3
Ariel Investments
Illinois
$11.3M 1,417,420 +1,417,420 New
BFA
4
BlackRock Fund Advisors
California
$7.42M 930,738 +930,738 New
SCM
5
Signia Capital Management
Washington
$6.7M 840,148 +840,148 New
CAM
6
Cortina Asset Management
Wisconsin
$6.06M 759,810 +759,810 New
TAM
7
Tocqueville Asset Management
New York
$5.94M 745,859 +745,859 New
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$4.92M 614,337 +614,337 New
WRF
9
Waddell & Reed Financial
Kansas
$4.81M 600,500 +600,500 New
AF
10
Aegis Financial
Virginia
$4.61M 578,482 +578,482 New
Vanguard Group
11
Vanguard Group
Pennsylvania
$4.5M 561,232 +561,232 New
BIT
12
BlackRock Institutional Trust
California
$4.14M 519,492 +519,492 New
PC
13
Passport Capital
California
$3.75M 470,530 +470,530 New
RIM
14
RS Investment Management
California
$2.94M 366,922 +366,922 New
LAM
15
Lapides Asset Management
Connecticut
$2.83M 355,100 +355,100 New
Royal Bank of Canada
16
Royal Bank of Canada
Ontario, Canada
$2.44M 304,886 +304,886 New
State Street
17
State Street
Massachusetts
$2.43M 302,811 +302,811 New
IMIM
18
Irving Magee Investment Management
Pennsylvania
$2.34M 293,080 +293,080 New
HRCM
19
Hood River Capital Management
Florida
$2.13M 266,777 +266,777 New
EIM
20
Essex Investment Management
Massachusetts
$2.01M 251,997 +251,997 New
Northern Trust
21
Northern Trust
Illinois
$1.97M 247,083 +247,083 New
DADC
22
D.A. Davidson & Co
Montana
$1.97M 246,650 +246,650 New
Invesco
23
Invesco
Georgia
$1.7M 213,685 +213,685 New
NTCOC
24
Northern Trust Company of Connecticut
Connecticut
$1.55M 194,161 +194,161 New
BCM
25
Brightfield Capital Management
New York
$1.4M 175,000 +175,000 New
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