RBCN

Rubicon Technology, Inc.
RBCN

Overview Fund Activity
Delisted

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

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126 hedge funds and large institutions have $267M invested in Rubicon Technology, Inc. in 2014 Q1 according to their latest regulatory filings, with 48 funds opening new positions, 37 increasing their positions, 29 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
126
Holders Change
+36
Holders Change %
+40%
% of All Funds
3.64%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
48
Increased
37
Reduced
29
Closed
11
Calls
$6.21M
Puts
$389K
Net Calls
+$5.82M
Net Calls Change
+$5.04M

Top Buyers

1
WMSA
Weiss Multi-Strategy Advisers
New York
+$13.9M
2
CAM
Cortina Asset Management
Wisconsin
+$11M
3
SCA
SAC Capital Advisors
Connecticut
+$9.42M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$5.88M
5
ICM
Invicta Capital Management
New York
+$3.39M

Top Sellers

1
AI
Ariel Investments
Illinois
-$13.3M
2
PC
Passport Capital
California
-$2.2M
3
New York State Common Retirement Fund
New York State Common Retirement Fund
New York
-$1.5M
4
California Public Employees Retirement System
California Public Employees Retirement System
California
-$1.34M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$1.29M
Name Holding Trade Value Shares
Change 		Shares
Change %
Two Sigma Investments
51
Two Sigma Investments
New York
$618K +$618K +5,466 New
RFC
52
Russell Frank Company
Washington
$612K +$612K +5,418 New
Balyasny Asset Management
53
Balyasny Asset Management
Illinois
$569K +$569K +5,039 New
CI Investments Inc
54
CI Investments Inc
Ontario, Canada
$565K +$565K +5,000 New
Prudential Financial
55
Prudential Financial
New Jersey
$564K +$114K +1,010 +25%
KCM
56
Kensico Capital Management
Connecticut
$564K +$564K +5,000 New
BCM
57
Bridgeway Capital Management
Texas
$558K – – –
COPPSERS
58
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$530K +$530K +4,694 New
PP
59
PDT Partners
New York
$515K +$515K +4,558 New
Public Sector Pension Investment Board (PSP Investments)
60
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$511K +$25.9K +230 +5%
Morgan Stanley
61
Morgan Stanley
New York
$471K +$43.4K +384 +10%
AII
62
AGF Investments Inc
Ontario, Canada
$461K +$461K +4,080 New
California State Teachers Retirement System (CalSTRS)
63
California State Teachers Retirement System (CalSTRS)
California
$434K +$74.6K +660 +21%
New York State Teachers Retirement System (NYSTRS)
64
New York State Teachers Retirement System (NYSTRS)
New York
$432K +$4.52K +40 +1%
AQR Capital Management
65
AQR Capital Management
Connecticut
$417K +$417K +3,690 New
Charles Schwab
66
Charles Schwab
California
$367K +$102K +900 +38%
DADC
67
D.A. Davidson & Co
Montana
$366K -$36.6K -325 -9%
TA
68
Teachers Advisors
New York
$354K +$40.8K +361 +13%
UOC
69
UBS O'Connor
Illinois
$339K +$339K +3,000 New
RB
70
Rodgers Brothers
Pennsylvania
$314K -$55.9K -495 -15%
RhumbLine Advisers
71
RhumbLine Advisers
Massachusetts
$297K +$11.2K +99 +4%
State Board of Administration of Florida Retirement System
72
State Board of Administration of Florida Retirement System
Florida
$275K – – –
BGIM
73
Brandywine Global Investment Management
Pennsylvania
$264K -$4.74K -42 -2%
T. Rowe Price Associates
74
T. Rowe Price Associates
Maryland
$255K – – –
NFA
75
Nationwide Fund Advisors
Ohio
$248K +$28.6K +254 +13%
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