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RBCN

Rubicon Technology, Inc.

Delisted

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

35 hedge funds and large institutions have $8.89M invested in Rubicon Technology, Inc. in 2017 Q1 according to their latest regulatory filings, with 5 funds opening new positions, 11 increasing their positions, 8 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed

38% more repeat investments, than reductions

Existing positions increased: 11 | Existing positions reduced: 8

29% more capital invested

Capital invested by funds: $6.88M → $8.89M (+$2.01M)

0% more first-time investments, than exits

New positions opened: 5 | Existing positions closed: 5

10% less funds holding

Funds holding: 3935 (-4)

Holders
35
Holders Change
-4
Holders Change %
-10.26%
% of All Funds
0.87%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
5
Increased
11
Reduced
8
Closed
5
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$2.3M
AI
2
Ariel Investments
Illinois
$2.06M -$465K -78,414 -24%
Renaissance Technologies
3
Renaissance Technologies
New York
$746K +$37.4K +6,310 +8%
RA
4
Royce & Associates
New York
$668K +$18.2K +3,062 +4%
RGI
5
River Global Investors
United Kingdom
$611K +$144K +24,242 +51%
BlackRock
6
BlackRock
New York
$447K +$319K +53,703 New
New York State Common Retirement Fund
7
New York State Common Retirement Fund
New York
$421K
BP
8
Bandera Partners
New York
$304K +$216K +36,473 New
WAM
9
Wolverine Asset Management
Illinois
$295K -$5.93K -1,000 -3%
Vanguard Group
10
Vanguard Group
Pennsylvania
$238K +$297 +50 +0.2%
AA
11
Ancora Advisors
Ohio
$134K
Deutsche Bank
12
Deutsche Bank
Germany
$114K +$3.93K +663 +5%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$99K +$219 +37 +0.3%
Northern Trust
14
Northern Trust
Illinois
$54K -$1.74K -294 -4%
Susquehanna International Group
15
Susquehanna International Group
Pennsylvania
$54K +$23.4K +3,950 +160%
Goldman Sachs
16
Goldman Sachs
New York
$52K -$4.42K -745 -11%
California Public Employees Retirement System
17
California Public Employees Retirement System
California
$51K
Citadel Advisors
18
Citadel Advisors
Florida
$48K +$23.3K +3,928 +213%
Connor, Clark & Lunn Investment Management (CC&L)
19
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$46K
KBC Group
20
KBC Group
Belgium
$45K +$32.3K +5,453 New
Bank of New York Mellon
21
Bank of New York Mellon
New York
$25K +$3.39K +572 +24%
Morgan Stanley
22
Morgan Stanley
New York
$19K -$1.78K -300 -12%
UBS Group
23
UBS Group
Switzerland
$18K +$12.3K +2,071 +1,479%
VKH
24
Virtu KCG Holdings
New York
$12K -$95 -16 -1%
TSS
25
Two Sigma Securities
New York
$11K +$7.98K +1,346 New

RBCN Hedge Fund Activity: Q1 2017 in Review

35 of the 4,017 institutional investors tracked by Wall St. Rank reported a position in Rubicon Technology, Inc. (RBCN) for Q1 2017, worth a combined $8.89M — up 29% from $6.88M a quarter earlier.

Fund positioning in RBCN was balanced in Q1 2017: 5 funds opened new positions, 5 closed out, 11 added to existing stakes and 8 trimmed.

The largest buyer was BlackRock, opening a new position worth an estimated $319K. The largest seller was Ariel Investments, cutting an estimated $465K.

  • 35 institutional investors held Rubicon Technology, Inc. (RBCN) as of Q1 2017, down from 39 in Q4 2016.
  • Funds reported $8.89M of Rubicon Technology, Inc. stock for Q1 2017, up 29% quarter-over-quarter.
  • 5 funds opened new Rubicon Technology, Inc. positions in Q1 2017 and 5 closed out, a net change of 0 holders.
  • The largest Rubicon Technology, Inc. buyer in Q1 2017 was BlackRock, an estimated $319K added.
  • The largest Rubicon Technology, Inc. seller in Q1 2017 was Ariel Investments, an estimated $465K sold.

Based on aggregated 13F filings for Q1 2017.