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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
AI
1
Ariel Investments
Illinois
$12.1M +$1.16M +35,515 +8%
CWAM
2
Columbia Wanger Asset Management
Illinois
$7.71M -$748K -22,920 -7%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$7.63M
RA
4
Royce & Associates
New York
$3.92M +$188K +5,750 +4%
EA
5
Ecofin Advisors
United Kingdom
$3.39M +$305K +9,359 +7%
AF
6
Aegis Financial
Virginia
$2.14M
Vanguard Group
7
Vanguard Group
Pennsylvania
$1.85M -$11.2K -344 -0.4%
BIT
8
BlackRock Institutional Trust
California
$1.27M -$756K -23,174 -31%
New York State Common Retirement Fund
9
New York State Common Retirement Fund
New York
$1.21M +$165K +5,049 +11%
Dimensional Fund Advisors
10
Dimensional Fund Advisors
Texas
$1.1M -$35.9K -1,099 -2%
Northern Trust
11
Northern Trust
Illinois
$985K -$104K -3,183 -7%
SGAM
12
Smith Group Asset Management
Texas
$826K +$65.5K +2,006 +6%
PRCP
13
Pacific Ridge Capital Partners
Oregon
$792K -$11.7K -360 -1%
Invesco
14
Invesco
Georgia
$751K +$292K +8,960 +41%
LAM
15
Lapides Asset Management
Connecticut
$680K -$90.4K -2,770 -9%
Massachusetts Financial Services
16
Massachusetts Financial Services
Massachusetts
$646K -$763K -23,398 -47%
Renaissance Technologies
17
Renaissance Technologies
New York
$618K +$415K +12,720 +100%
RGI
18
River Global Investors
United Kingdom
$607K
ERSOT
19
Employees Retirement System of Texas
Texas
$382K -$267K -8,190 -34%
Goldman Sachs
20
Goldman Sachs
New York
$342K +$249K +7,624 +118%
Geode Capital Management
21
Geode Capital Management
Massachusetts
$287K -$22K -675 -5%
UBS Group
22
UBS Group
Switzerland
$254K -$71.4K -2,189 -17%
AA
23
Ancora Advisors
Ohio
$222K +$299K +9,150 New
ZCA
24
Zeke Capital Advisors
Pennsylvania
$202K
CS
25
Credit Suisse
Switzerland
$196K +$213K +6,525 +428%

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.