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Rubicon Technology
Rubicon Technology. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 76 Institutional holders with a total value of $89,394,886.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 ARIEL INVESTMENTS, LLC 4,624,107 18,219,000 20.38%
2 COLUMBIA WANGER ASSET MANAGEMENT LLC 3,400,000 13,396,000 14.99%
3 FMR LLC 3,139,517 12,370,000 13.84%
4 ROYCE & ASSOCIATES LP 1,557,848 6,138,000 6.87%
5 Ecofin Advisors Ltd 1,302,741 5,133,000 5.74%
6 AEGIS FINANCIAL CORP 879,200 3,464,000 3.87%
7 VANGUARD GROUP INC 765,332 3,015,000 3.37%
8 BlackRock Institutional Trust Company, N.A. 755,426 2,976,000 3.33%
9 BlackRock Fund Advisors 704,030 2,774,000 3.10%
10 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 499,906 1,969,630 2.20%
11 DIMENSIONAL FUND ADVISORS LP 464,205 1,829,000 2.05%
12 NEW YORK STATE COMMON RETIREMENT FUND 446,200 1,758,000 1.97%
13 NORTHERN TRUST CORP 437,122 1,722,000 1.93%
14 STATE STREET CORP 435,553 1,718,000 1.92%
15 Pacific Ridge Capital Partners, LLC 329,350 1,298,000 1.45%
16 SMITH ASSET MANAGEMENT GROUP LP 319,940 1,261,000 1.41%
17 RIVER GLOBAL INVESTORS LLP 251,900 991,000 1.11%
18 Employees Retirement System of Texas 239,000 942,000 1.05%
19 Invesco Ltd. 219,423 865,000 0.97%
20 Bank of New York Mellon Corp 147,937 582,000 0.65%
21 TOCQUEVILLE ASSET MANAGEMENT L.P. 135,313 533,000 0.60%
22 RENAISSANCE TECHNOLOGIES LLC 127,200 501,000 0.56%
23 UBS Group AG 126,481 498,000 0.56%
24 GEODE CAPITAL MANAGEMENT, LLC 125,232 493,000 0.55%
25 TIAA CREF INVESTMENT MANAGEMENT LLC 109,945 433,000 0.48%
26 BlackRock Investment Management, LLC 85,539 337,000 0.38%
27 ZEKE CAPITAL ADVISORS, LLC 83,000 327,000 0.37%
28 ROYAL BANK OF CANADA 77,232 304,000 0.34%
29 PDT Partners, LLC 66,626 263,000 0.29%
30 GOLDMAN SACHS GROUP INC 64,361 254,000 0.28%
31 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 61,300 247,000 0.28%
32 D.A. DAVIDSON & CO. 60,325 237,000 0.27%
33 PRICE T ROWE ASSOCIATES INC /MD/ 59,100 233,000 0.26%
34 TEACHERS ADVISORS, LLC 54,328 214,000 0.24%
35 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 48,303 190,000 0.21%
36 Connor, Clark & Lunn Investment Management Ltd. 40,800 161,000 0.18%
37 PARAMETRIC PORTFOLIO ASSOCIATES LLC 37,366 147,000 0.16%
38 Nationwide Fund Advisors 36,001 142,000 0.16%
39 RHUMBLINE ADVISERS 35,572 140,000 0.16%
40 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 32,500 129,000 0.14%
41 DEUTSCHE BANK AG\ 32,687 128,000 0.14%
42 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 28,516 112,000 0.13%
43 VOYA INVESTMENT MANAGEMENT LLC 22,430 88,000 0.10%
44 SUSQUEHANNA INTERNATIONAL GROUP, LLP 20,400 80,000 0.09% Put
45 MORGAN STANLEY 18,314 72,000 0.08%
46 BLACKROCK ADVISORS LLC 16,839 66,000 0.07%
47 AMERICAN INTERNATIONAL GROUP, INC. 16,447 64,801 0.07%
48 CREDIT SUISSE AG/ 15,255 60,000 0.07%
49 BRIGHTON JONES LLC 15,000 59,000 0.07%
50 AQR CAPITAL MANAGEMENT LLC 14,000 55,000 0.06%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.