RBCN

Rubicon Technology, Inc.
RBCN

Overview Fund Activity
Delisted

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

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76 hedge funds and large institutions have $91.3M invested in Rubicon Technology, Inc. in 2015 Q1 according to their latest regulatory filings, with 8 funds opening new positions, 25 increasing their positions, 24 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
76
Holders Change
-6
Holders Change %
-7.32%
% of All Funds
2.03%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
8
Increased
25
Reduced
24
Closed
13
Calls
$3K
Puts
$80K
Net Calls
-$77K
Net Calls Change
-$442K

Top Buyers

1
CWAM
Columbia Wanger Asset Management
Illinois
$13.4M
2
AI
Ariel Investments
Illinois
$18.2M
3
AF
Aegis Financial
Virginia
$3.46M
4
SGAM
Smith Group Asset Management
Texas
$1.26M
5
PP
PDT Partners
New York
$263K

Top Sellers

1
CAM
Cortina Asset Management
Wisconsin
$0
2
TAM
Tocqueville Asset Management
New York
$533K
3
LAM
Lapides Asset Management
Connecticut
$1.21M
4
CS
Credit Suisse
Switzerland
$60K
5
Citadel Advisors
Citadel Advisors
Florida
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Geode Capital Management
26
Geode Capital Management
Massachusetts
$493K +$18.7K +475 +4%
TCIM
27
TIAA CREF Investment Management
New York
$433K – – –
BIM
28
BlackRock Investment Management
Delaware
$337K -$3.39K -86 -1%
ZCA
29
Zeke Capital Advisors
Pennsylvania
$327K – – –
Royal Bank of Canada
30
Royal Bank of Canada
Ontario, Canada
$304K -$25K -635 -8%
PP
31
PDT Partners
New York
$263K +$263K +6,663 New
AA
32
Ancora Advisors
Ohio
$260K -$270K -5,900 Closed
Goldman Sachs
33
Goldman Sachs
New York
$254K -$56.7K -1,436 -18%
California Public Employees Retirement System
34
California Public Employees Retirement System
California
$247K – – –
DADC
35
D.A. Davidson & Co
Montana
$237K -$28.3K -720 -11%
T. Rowe Price Associates
36
T. Rowe Price Associates
Maryland
$233K +$13.8K +350 +6%
TA
37
Teachers Advisors
New York
$214K +$44.5K +1,129 +26%
California State Teachers Retirement System (CalSTRS)
38
California State Teachers Retirement System (CalSTRS)
California
$190K – – –
Connor, Clark & Lunn Investment Management (CC&L)
39
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$161K +$161K +4,080 New
PPA
40
Parametric Portfolio Associates
Washington
$147K +$15K +382 +11%
NFA
41
Nationwide Fund Advisors
Ohio
$142K +$1.26K +32 +0.9%
RhumbLine Advisers
42
RhumbLine Advisers
Massachusetts
$140K +$9.33K +237 +7%
Charles Schwab
43
Charles Schwab
California
$129K – – –
Deutsche Bank
44
Deutsche Bank
Germany
$128K +$53.3K +1,360 +71%
State Board of Administration of Florida Retirement System
45
State Board of Administration of Florida Retirement System
Florida
$112K – – –
VOYA Investment Management
46
VOYA Investment Management
Georgia
$88K – – –
Morgan Stanley
47
Morgan Stanley
New York
$72K -$51.3K -1,304 -42%
BA
48
BlackRock Advisors
Delaware
$66K +$9.52K +243 +17%
AIG
49
American International Group
New York
$64.8K – – –
CS
50
Credit Suisse
Switzerland
$60K -$461K -11,731 -88%
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