RBCN

Rubicon Technology, Inc.
RBCN

Overview Fund Activity
Delisted

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

Back to rankings

66 hedge funds and large institutions have $52.3M invested in Rubicon Technology, Inc. in 2015 Q2 according to their latest regulatory filings, with 12 funds opening new positions, 16 increasing their positions, 25 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
66
Holders Change
-10
Holders Change %
-13.16%
% of All Funds
1.78%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
12
Increased
16
Reduced
25
Closed
22
Calls
–
Puts
$6K
Net Calls
-$6K
Net Calls Change
+$71K

Top Buyers

1
AI
Ariel Investments
Illinois
$12.1M
2
Renaissance Technologies
Renaissance Technologies
New York
$618K
3
EA
Ecofin Advisors
United Kingdom
$3.39M
4
AA
Ancora Advisors
Ohio
$222K
5
Invesco
Invesco
Georgia
$751K

Top Sellers

1
BFA
BlackRock Fund Advisors
California
$168K
2
State Street
State Street
Massachusetts
$56K
3
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
$646K
4
BIT
BlackRock Institutional Trust
California
$1.27M
5
CWAM
Columbia Wanger Asset Management
Illinois
$7.71M
Name Holding Trade Value Shares
Change 		Shares
Change %
BFA
26
BlackRock Fund Advisors
California
$168K -$1.55M -63,499 -90%
PP
27
PDT Partners
New York
$162K – – –
T. Rowe Price Associates
28
T. Rowe Price Associates
Maryland
$150K +$6.09K +250 +4%
California Public Employees Retirement System
29
California Public Employees Retirement System
California
$149K – – –
Deutsche Bank
30
Deutsche Bank
Germany
$135K +$56.5K +2,351 +72%
AGM
31
Alpine Global Management
New York
$122K +$122K +5,017 New
Millennium Management
32
Millennium Management
New York
$121K +$121K +4,992 New
DADC
33
D.A. Davidson & Co
Montana
$118K -$27.5K -1,140 -19%
COPPSERS
34
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$112K +$112K +4,606 New
Connor, Clark & Lunn Investment Management (CC&L)
35
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$99K – – –
PP
36
Paloma Partners
Connecticut
$98K +$98K +4,030 New
Bank of New York Mellon
37
Bank of New York Mellon
New York
$88K -$271K -11,171 -76%
TCIM
38
TIAA CREF Investment Management
New York
$85K -$184K -7,515 -68%
Susquehanna International Group
39
Susquehanna International Group
Pennsylvania
$82K +$49.8K +2,044 +155%
LP
40
LMR Partners
United Kingdom
$73K +$73K +2,980 New
Morgan Stanley
41
Morgan Stanley
New York
$70K +$25.6K +1,053 +58%
State Street
42
State Street
Massachusetts
$56K -$974K -41,188 -95%
NFA
43
Nationwide Fund Advisors
Ohio
$46K -$40.7K -1,691 -47%
PPA
44
Parametric Portfolio Associates
Washington
$38K -$52.6K -2,169 -58%
BJL
45
Brighton Jones LLC
Washington
$36K – – –
BFM
46
Boothbay Fund Management
New York
$31K +$31K +1,294 New
Jane Street
47
Jane Street
New York
$25K +$25K +1,013 New
ACM
48
Azimuth Capital Management
Michigan
$24K +$24K +1,000 New
Bank of America
49
Bank of America
North Carolina
$18K +$266 +11 +2%
Group One Trading
50
Group One Trading
Illinois
$16K -$673 -27 -4%
1
2
3 4