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.

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 Market Value Shares Shares
Change
Shares
Change %
AI
1
Ariel Investments
Illinois
$17.4M 3,809,373 +1,603,226 +73%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$14.3M 3,139,517 +735,500 +31%
CWAM
3
Columbia Wanger Asset Management
Illinois
$11.8M 2,575,985 +75,985 +3%
RA
4
Royce & Associates
New York
$6.93M 1,517,348 +158,734 +12%
EA
5
Ecofin Advisors
United Kingdom
$5.75M 1,258,389 +827,299 +192%
CAM
6
Cortina Asset Management
Wisconsin
$4.13M 903,086 -24,584 -3%
BIT
7
BlackRock Institutional Trust
California
$3.45M 753,892 -30,964 -4%
Vanguard Group
8
Vanguard Group
Pennsylvania
$3.33M 729,093 +33,662 +5%
BFA
9
BlackRock Fund Advisors
California
$3.24M 708,240 -476,864 -40%
LAM
10
Lapides Asset Management
Connecticut
$2.36M 515,800 +59,000 +13%
Massachusetts Financial Services
11
Massachusetts Financial Services
Massachusetts
$2.27M 497,299 -151,468 -23%
TAM
12
Tocqueville Asset Management
New York
$2.12M 464,550 -150,964 -25%
Dimensional Fund Advisors
13
Dimensional Fund Advisors
Texas
$2.12M 464,205 -14,939 -3%
AF
14
Aegis Financial
Virginia
$2.04M 446,000 +446,000 New
Northern Trust
15
Northern Trust
Illinois
$2.03M 443,335 -9,659 -2%
State Street
16
State Street
Massachusetts
$1.98M 433,544 +57,046 +15%
New York State Common Retirement Fund
17
New York State Common Retirement Fund
New York
$1.74M 380,418 +120,718 +46%
PRCP
18
Pacific Ridge Capital Partners
Oregon
$1.46M 318,810 +136,270 +75%
RGI
19
River Global Investors
United Kingdom
$1.15M 251,900 -32,000 -11%
ERSOT
20
Employees Retirement System of Texas
Texas
$1.09M 239,000 +110,000 +85%
Invesco
21
Invesco
Georgia
$911K 199,302 -152,776 -43%
CS
22
Credit Suisse
Switzerland
$605K 132,569 +56,986 +75%
UBS Group
23
UBS Group
Switzerland
$604K 132,152 +132,152 New
Bank of New York Mellon
24
Bank of New York Mellon
New York
$554K 121,329 -58,479 -33%
Geode Capital Management
25
Geode Capital Management
Massachusetts
$550K 120,475 +148 +0.1%