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RBCN

Rubicon Technology, Inc.

Delisted

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

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

13% less funds holding

Funds holding: 7666 (-10)

36% less repeat investments, than reductions

Existing positions increased: 16 | Existing positions reduced: 25

43% less capital invested

Capital invested by funds: $91.3M → $52.3M (-$39M)

45% less first-time investments, than exits

New positions opened: 12 | Existing positions closed: 22

100% less call options, than puts

Call options by funds: $0 | Put options by funds: $6K

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
Name Holding Trade Value Shares
Change
Change in
Stake
BA
51
BlackRock Advisors
Delaware
$13K -$37.7K -1,154 -69%
BBHC
52
Brown Brothers Harriman & Co
New York
$12K +$16.3K +500 New
LTFS
53
Ladenburg Thalmann Financial Services
Florida
$11K +$10.8K +331 +271%
BIM
54
BlackRock Investment Management
Delaware
$10K -$265K -8,123 -95%
Wells Fargo
55
Wells Fargo
California
$9K +$8.06K +247 +174%
Simplex Trading
56
Simplex Trading
Illinois
$9K +$12.8K +393 New
Royal Bank of Canada
57
Royal Bank of Canada
Ontario, Canada
$3K -$247K -7,573 -98%
Citigroup
58
Citigroup
New York
$2K -$10.4K -320 -81%
TRCT
59
Tower Research Capital (TRC)
New York
$2K -$1.21K -37 -34%
MI
60
Markston International
New York
$1K
HCMT
61
Highland Capital Management (Tennessee)
Tennessee
$1K +$1.63K +50 New
Manulife (Manufacturers Life Insurance)
62
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1 -$13.7K -421 -92%
TAM
63
Tocqueville Asset Management
New York
-$533K -13,531 Closed
BCM
64
Bourgeon Capital Management
Connecticut
-$522K -13,250 Closed
TA
65
Teachers Advisors
New York
-$214K -5,433 Closed
California State Teachers Retirement System (CalSTRS)
66
California State Teachers Retirement System (CalSTRS)
California
-$190K -4,830 Closed
RhumbLine Advisers
67
RhumbLine Advisers
Massachusetts
-$140K -3,557 Closed
Charles Schwab
68
Charles Schwab
California
-$129K -3,250 Closed
State Board of Administration of Florida Retirement System
69
State Board of Administration of Florida Retirement System
Florida
-$112K -2,852 Closed
VOYA Investment Management
70
VOYA Investment Management
Georgia
-$88K -2,243 Closed
AIG
71
American International Group
New York
-$64.8K -1,645 Closed
AQR Capital Management
72
AQR Capital Management
Connecticut
-$55K -1,400 Closed
JG
73
Jefferies Group
New York
-$53K -1,355 Closed
SG Americas Securities
74
SG Americas Securities
New York
-$45K -1,137 Closed
Stifel Financial
75
Stifel Financial
Missouri
-$43K -1,100 Closed

RBCN Hedge Fund Activity: Q2 2015 in Review

66 of the 3,712 institutional investors tracked by Wall St. Rank reported a position in Rubicon Technology, Inc. (RBCN) for Q2 2015, worth a combined $52.3M — down 43% from $91.3M a quarter earlier.

Sellers outnumbered buyers: 22 funds closed out of RBCN and 12 opened new positions — a net loss of 10 holders — while 25 trimmed existing stakes and 16 added.

The largest buyer was Ariel Investments, adding an estimated $1.16M. The largest seller was BlackRock Fund Advisors, cutting an estimated $2.07M.

  • 66 institutional investors held Rubicon Technology, Inc. (RBCN) as of Q2 2015, down from 76 in Q1 2015.
  • Funds reported $52.3M of Rubicon Technology, Inc. stock for Q2 2015, down 43% quarter-over-quarter.
  • 12 funds opened new Rubicon Technology, Inc. positions in Q2 2015 and 22 closed out, a net change of -10 holders.
  • The largest Rubicon Technology, Inc. buyer in Q2 2015 was Ariel Investments, an estimated $1.16M added.
  • The largest Rubicon Technology, Inc. seller in Q2 2015 was BlackRock Fund Advisors, an estimated $2.07M sold.

Based on aggregated 13F filings for Q2 2015.