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.

New
Increased
Maintained
Reduced
Closed
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

No buyers this quarter

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Shares
Change %
EWP
26
Edmunds White Partners
Virginia
$1.18M +$1.18M +14,211 New
U
27
UBS
Switzerland
$1.13M +$1.13M +14,225 New
California Public Employees Retirement System
28
California Public Employees Retirement System
California
$1.11M +$1.11M +13,842 New
Bank of New York Mellon
29
Bank of New York Mellon
New York
$1.07M +$1.07M +13,461 New
ERSOT
30
Employees Retirement System of Texas
Texas
$1M +$1M +12,500 New
Ameriprise
31
Ameriprise
Minnesota
$934K +$934K +11,668 New
DCM
32
Dupont Capital Management
Delaware
$813K +$813K +10,153 New
ICM
33
Invicta Capital Management
New York
$797K +$797K +10,000 New
Principal Financial Group
34
Principal Financial Group
Iowa
$726K +$726K +9,060 New
Geode Capital Management
35
Geode Capital Management
Massachusetts
$661K +$661K +8,253 New
TCIM
36
TIAA CREF Investment Management
New York
$654K +$654K +8,168 New
BCM
37
Bridgeway Capital Management
Texas
$633K +$633K +7,940 New
HAM
38
Harber Asset Management
North Carolina
$607K +$607K +7,616 New
BIM
39
BlackRock Investment Management
Delaware
$552K +$552K +6,926 New
RB
40
Rodgers Brothers
Pennsylvania
$409K +$409K +5,130 New
Morgan Stanley
41
Morgan Stanley
New York
$384K +$384K +4,824 New
CS
42
Credit Suisse
Switzerland
$366K +$366K +4,597 New
GC
43
Guggenheim Capital
Illinois
$354K +$354K +4,419 New
JPMorgan Chase & Co
44
JPMorgan Chase & Co
New York
$344K +$344K +4,320 New
New York State Teachers Retirement System (NYSTRS)
45
New York State Teachers Retirement System (NYSTRS)
New York
$312K +$312K +3,917 New
Prudential Financial
46
Prudential Financial
New Jersey
$303K +$303K +3,788 New
MWNA
47
Marshall Wace North America
New York
$288K +$288K +3,596 New
New York State Common Retirement Fund
48
New York State Common Retirement Fund
New York
$286K +$286K +3,570 New
RGI
49
River Global Investors
United Kingdom
$286K +$286K +3,600 New
Jane Street
50
Jane Street
New York
$272K +$272K +3,412 New
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