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RBCN

Rubicon Technology, Inc.

Delisted

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

90 hedge funds and large institutions have $183M invested in Rubicon Technology, Inc. in 2013 Q4 according to their latest regulatory filings, with 12 funds opening new positions, 29 increasing their positions, 30 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

157% more call options, than puts

Call options by funds: $1.27M | Put options by funds: $495K

3% less repeat investments, than reductions

Existing positions increased: 29 | Existing positions reduced: 30

14% less funds holding

Funds holding: 10590 (-15)

16% less capital invested

Capital invested by funds: $217M → $183M (-$34.1M)

54% less first-time investments, than exits

New positions opened: 12 | Existing positions closed: 26

Holders
90
Holders Change
-15
Holders Change %
-14.29%
% of All Funds
2.61%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
12
Increased
29
Reduced
30
Closed
26
Calls
$1.27M
Puts
$495K
Net Calls
+$777K
Net Calls Change
-$366K
Name Holding Trade Value Shares
Change
Change in
Stake
Massachusetts Financial Services
1
Massachusetts Financial Services
Massachusetts
$29.2M +$8.45M +87,122 +42%
AI
2
Ariel Investments
Illinois
$19.3M +$14.9M +153,500 +377%
RA
3
Royce & Associates
New York
$18.7M +$2.24M +23,092 +14%
Fidelity Investments
4
Fidelity Investments
Massachusetts
$15.2M -$2.92M -30,083 -16%
WRF
5
Waddell & Reed Financial
Kansas
$11.9M
BFA
6
BlackRock Fund Advisors
California
$10.1M +$290K +2,993 +3%
QAM
7
Quentec Asset Management
New York
$7.84M +$2.85M +29,398 +60%
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$6.16M +$67.9K +700 +1%
Vanguard Group
9
Vanguard Group
Pennsylvania
$5.98M +$136K +1,406 +2%
Invesco
10
Invesco
Georgia
$5.84M +$1.35M +13,955 +31%
BIT
11
BlackRock Institutional Trust
California
$5.44M -$134K -1,379 -2%
TAM
12
Tocqueville Asset Management
New York
$4.91M -$97.7K -1,007 -2%
State Street
13
State Street
Massachusetts
$3M -$80.8K -833 -3%
IMIM
14
Irving Magee Investment Management
Pennsylvania
$2.92M
Northern Trust
15
Northern Trust
Illinois
$2.62M +$44.3K +457 +2%
LAM
16
Lapides Asset Management
Connecticut
$2.59M
New York State Common Retirement Fund
17
New York State Common Retirement Fund
New York
$2.57M +$2.16M +22,260 +624%
PC
18
Passport Capital
California
$2.2M +$2.14M +22,082 New
Royal Bank of Canada
19
Royal Bank of Canada
Ontario, Canada
$1.61M -$114K -1,175 -7%
NTCOC
20
Northern Trust Company of Connecticut
Connecticut
$1.55M
Bank of New York Mellon
21
Bank of New York Mellon
New York
$1.35M -$493K -5,085 -27%
California Public Employees Retirement System
22
California Public Employees Retirement System
California
$1.33M -$6.01K -62 -0.4%
Susquehanna International Group
23
Susquehanna International Group
Pennsylvania
$1.13M +$229K +2,359 +26%
U
24
UBS
Switzerland
$1.11M -$97.1K -1,001 -8%
VDBMI
25
Van Den Berg Management I
Texas
$1.1M +$430K +4,437 +67%

RBCN Hedge Fund Activity: Q4 2013 in Review

90 of the 3,446 institutional investors tracked by Wall St. Rank reported a position in Rubicon Technology, Inc. (RBCN) for Q4 2013, worth a combined $183M — down 16% from $217M a quarter earlier.

Sellers outnumbered buyers: 26 funds closed out of RBCN and 12 opened new positions — a net loss of 14 holders — while 30 trimmed existing stakes and 29 added.

The largest buyer was Ariel Investments, adding an estimated $14.9M. The largest seller was Cortina Asset Management, exiting entirely with an estimated $7.09M sold.

  • 90 institutional investors held Rubicon Technology, Inc. (RBCN) as of Q4 2013, down from 105 in Q3 2013.
  • Funds reported $183M of Rubicon Technology, Inc. stock for Q4 2013, down 16% quarter-over-quarter.
  • 12 funds opened new Rubicon Technology, Inc. positions in Q4 2013 and 26 closed out, a net change of -14 holders.
  • The largest Rubicon Technology, Inc. buyer in Q4 2013 was Ariel Investments, an estimated $14.9M added.
  • The largest Rubicon Technology, Inc. seller in Q4 2013 was Cortina Asset Management, an estimated $7.09M sold.

Based on aggregated 13F filings for Q4 2013.