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RBCN

Rubicon Technology, Inc.

Delisted

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

82 hedge funds and large institutions have $102M invested in Rubicon Technology, Inc. in 2014 Q4 according to their latest regulatory filings, with 15 funds opening new positions, 25 increasing their positions, 30 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed

165% more call options, than puts

Call options by funds: $586K | Put options by funds: $221K

15% more capital invested

Capital invested by funds: $89M → $102M (+$13.1M)

17% less repeat investments, than reductions

Existing positions increased: 25 | Existing positions reduced: 30

20% less funds holding

Funds holding: 10282 (-20)

56% less first-time investments, than exits

New positions opened: 15 | Existing positions closed: 34

Holders
82
Holders Change
-20
Holders Change %
-19.61%
% of All Funds
2.19%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
15
Increased
25
Reduced
30
Closed
34
Calls
$586K
Puts
$221K
Net Calls
+$365K
Net Calls Change
+$645K
Name Holding Trade Value Shares
Change
Change in
Stake
AI
1
Ariel Investments
Illinois
$17.4M +$7.03M +160,322 +73%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$14.3M +$3.23M +73,550 +31%
CWAM
3
Columbia Wanger Asset Management
Illinois
$11.8M +$333K +7,599 +3%
RA
4
Royce & Associates
New York
$6.93M +$696K +15,874 +12%
EA
5
Ecofin Advisors
United Kingdom
$5.75M +$3.63M +82,730 +192%
CAM
6
Cortina Asset Management
Wisconsin
$4.13M -$108K -2,458 -3%
BIT
7
BlackRock Institutional Trust
California
$3.44M -$136K -3,097 -4%
Vanguard Group
8
Vanguard Group
Pennsylvania
$3.33M +$148K +3,366 +5%
BFA
9
BlackRock Fund Advisors
California
$3.24M -$2.09M -47,686 -40%
LAM
10
Lapides Asset Management
Connecticut
$2.36M +$259K +5,900 +13%
Massachusetts Financial Services
11
Massachusetts Financial Services
Massachusetts
$2.27M -$664K -15,147 -23%
TAM
12
Tocqueville Asset Management
New York
$2.12M -$662K -15,096 -25%
Dimensional Fund Advisors
13
Dimensional Fund Advisors
Texas
$2.12M -$65.5K -1,493 -3%
AF
14
Aegis Financial
Virginia
$2.04M +$1.96M +44,600 New
Northern Trust
15
Northern Trust
Illinois
$2.03M -$42.3K -965 -2%
State Street
16
State Street
Massachusetts
$1.98M +$250K +5,704 +15%
New York State Common Retirement Fund
17
New York State Common Retirement Fund
New York
$1.74M +$530K +12,072 +46%
PRCP
18
Pacific Ridge Capital Partners
Oregon
$1.46M +$598K +13,627 +75%
RGI
19
River Global Investors
United Kingdom
$1.15M -$140K -3,200 -11%
ERSOT
20
Employees Retirement System of Texas
Texas
$1.09M +$483K +11,000 +85%
Invesco
21
Invesco
Georgia
$911K -$670K -15,278 -43%
CS
22
Credit Suisse
Switzerland
$605K +$250K +5,699 +75%
UBS Group
23
UBS Group
Switzerland
$604K +$580K +13,215 New
Bank of New York Mellon
24
Bank of New York Mellon
New York
$554K -$257K -5,848 -33%
Geode Capital Management
25
Geode Capital Management
Massachusetts
$550K +$658 +15 +0.1%

RBCN Hedge Fund Activity: Q4 2014 in Review

82 of the 3,750 institutional investors tracked by Wall St. Rank reported a position in Rubicon Technology, Inc. (RBCN) for Q4 2014, worth a combined $102M — up 15% from $89M a quarter earlier.

Sellers outnumbered buyers: 34 funds closed out of RBCN and 15 opened new positions — a net loss of 19 holders — while 30 trimmed existing stakes and 25 added.

The largest buyer was Ariel Investments, adding an estimated $7.03M. The largest seller was Quentec Asset Management, exiting entirely with an estimated $4M sold.

  • 82 institutional investors held Rubicon Technology, Inc. (RBCN) as of Q4 2014, down from 102 in Q3 2014.
  • Funds reported $102M of Rubicon Technology, Inc. stock for Q4 2014, up 15% quarter-over-quarter.
  • 15 funds opened new Rubicon Technology, Inc. positions in Q4 2014 and 34 closed out, a net change of -19 holders.
  • The largest Rubicon Technology, Inc. buyer in Q4 2014 was Ariel Investments, an estimated $7.03M added.
  • The largest Rubicon Technology, Inc. seller in Q4 2014 was Quentec Asset Management, an estimated $4M sold.

Based on aggregated 13F filings for Q4 2014.