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RBCN

Rubicon Technology, Inc.

Delisted

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

54 hedge funds and large institutions have $22.4M invested in Rubicon Technology, Inc. in 2015 Q4 according to their latest regulatory filings, with 5 funds opening new positions, 14 increasing their positions, 18 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

12% more capital invested

Capital invested by funds: $20M → $22.4M (+$2.38M)

4% less funds holding

Funds holding: 5654 (-2)

22% less repeat investments, than reductions

Existing positions increased: 14 | Existing positions reduced: 18

29% less first-time investments, than exits

New positions opened: 5 | Existing positions closed: 7

Holders
54
Holders Change
-2
Holders Change %
-3.57%
% of All Funds
1.42%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
5
Increased
14
Reduced
18
Closed
7
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
AI
1
Ariel Investments
Illinois
$5.43M -$414K -37,140 -7%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$3.58M
CWAM
3
Columbia Wanger Asset Management
Illinois
$3.3M +$13.6K +1,225 +0.4%
EA
4
Ecofin Advisors
United Kingdom
$1.72M -$44.5K -3,997 -3%
RA
5
Royce & Associates
New York
$1.11M -$178K -15,950 -14%
AF
6
Aegis Financial
Virginia
$1M
Vanguard Group
7
Vanguard Group
Pennsylvania
$869K -$5.91K -531 -0.7%
BIT
8
BlackRock Institutional Trust
California
$597K
New York State Common Retirement Fund
9
New York State Common Retirement Fund
New York
$577K
RGI
10
River Global Investors
United Kingdom
$537K +$525K +47,190 New
Renaissance Technologies
11
Renaissance Technologies
New York
$453K +$124K +11,129 +39%
Ameriprise
12
Ameriprise
Minnesota
$405K +$332K +29,783 +518%
PRCP
13
Pacific Ridge Capital Partners
Oregon
$395K +$22.5K +2,019 +6%
Macquarie Group
14
Macquarie Group
Australia
$383K +$374K +33,612 New
Dimensional Fund Advisors
15
Dimensional Fund Advisors
Texas
$355K -$139K -12,492 -29%
Northern Trust
16
Northern Trust
Illinois
$241K -$2.05K -184 -0.9%
AA
17
Ancora Advisors
Ohio
$183K
ERSOT
18
Employees Retirement System of Texas
Texas
$179K
AFM
19
Anson Funds Management
Texas
$158K +$155K +13,896 New
Geode Capital Management
20
Geode Capital Management
Massachusetts
$135K +$134 +12 +0.1%
ZCA
21
Zeke Capital Advisors
Pennsylvania
$95K
BFA
22
BlackRock Fund Advisors
California
$79K +$2.58K +232 +3%
T. Rowe Price Associates
23
T. Rowe Price Associates
Maryland
$76K
California Public Employees Retirement System
24
California Public Employees Retirement System
California
$70K
Connor, Clark & Lunn Investment Management (CC&L)
25
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$64K +$15.4K +1,385 +33%

RBCN Hedge Fund Activity: Q4 2015 in Review

54 of the 3,812 institutional investors tracked by Wall St. Rank reported a position in Rubicon Technology, Inc. (RBCN) for Q4 2015, worth a combined $22.4M — up 12% from $20M a quarter earlier.

Sellers outnumbered buyers: 7 funds closed out of RBCN and 5 opened new positions — a net loss of 2 holders — while 18 trimmed existing stakes and 14 added.

The largest buyer was Macquarie Group, opening a new position worth an estimated $374K. The largest seller was Ariel Investments, cutting an estimated $414K.

  • 54 institutional investors held Rubicon Technology, Inc. (RBCN) as of Q4 2015, down from 56 in Q3 2015.
  • Funds reported $22.4M of Rubicon Technology, Inc. stock for Q4 2015, up 12% quarter-over-quarter.
  • 5 funds opened new Rubicon Technology, Inc. positions in Q4 2015 and 7 closed out, a net change of -2 holders.
  • The largest Rubicon Technology, Inc. buyer in Q4 2015 was Macquarie Group, an estimated $374K added.
  • The largest Rubicon Technology, Inc. seller in Q4 2015 was Ariel Investments, an estimated $414K sold.

Based on aggregated 13F filings for Q4 2015.