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 %
BJL
51
Brighton Jones LLC
Washington
$59K -$39.3K -1,000 -40%
AQR Capital Management
52
AQR Capital Management
Connecticut
$55K +$55K +1,400 New
JG
53
Jefferies Group
New York
$53K -$20.7K -528 -28%
Susquehanna International Group
54
Susquehanna International Group
Pennsylvania
$52K -$230K -5,842 -82%
SG Americas Securities
55
SG Americas Securities
New York
$45K -$15.7K -396 -26%
Stifel Financial
56
Stifel Financial
Missouri
$43K – – –
KBC Group
57
KBC Group
Belgium
$30K -$142K -3,651 -83%
Bank of America
58
Bank of America
North Carolina
$29K +$19.8K +501 +216%
Group One Trading
59
Group One Trading
Illinois
$26K -$14.5K -374 -36%
AllianceBernstein
60
AllianceBernstein
Tennessee
$21K -$18.6K -470 -47%
Legal & General Group
61
Legal & General Group
United Kingdom
$19K – – –
CCMH
62
Cornerstone Capital Management Holdings
New York
$19K +$19K +490 New
Citigroup
63
Citigroup
New York
$15K -$8.24K -217 -35%
Barclays
64
Barclays
United Kingdom
$7K -$69K -2,443 -91%
Wells Fargo
65
Wells Fargo
California
$6K -$2.07K -49 -26%
LTFS
66
Ladenburg Thalmann Financial Services
Florida
$5K +$5K +122 New
TRCT
67
Tower Research Capital (TRC)
New York
$4K -$26.6K -719 -87%
Creative Planning
68
Creative Planning
Kansas
$4K +$4K +100 New
BlackRock
69
BlackRock
New York
$3K – – –
BNP Paribas Financial Markets
70
BNP Paribas Financial Markets
France
$2.46K +$2.46K +62 New
Bank of Montreal
71
Bank of Montreal
Ontario, Canada
$1K – – –
MI
72
Markston International
New York
$1K – – –
Manulife (Manufacturers Life Insurance)
73
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$18 -$21 -528 -53%
CAM
74
Cortina Asset Management
Wisconsin
– -$4.13M -90,309 Closed
Citadel Advisors
75
Citadel Advisors
Florida
– -$390K -8,533 Closed
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