RUBICON TECHNOLOGY INC - 78112T107

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Company profile

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Quarter snapshot

Latest / Compare
Q2 2014 · Q1 2014
Value (USD)
Total reported value ($000)
$263.6M
QoQ value delta ($000)
-$11.98M (-4.35%)
Implied price effect (QoQ)
-7.97%
Shares
Total shares
25,370,754
QoQ shares delta
+960,027 (+3.93%)
Total shares held by funds (by quarter)
Shares (left)

Fund holders include prior positions carried forward until a new 13F confirms a change. Reported holders have reported a position in this security for that quarter; this is not the total number of 13F filers.

Top holders (Q2 2014)

Top 25 only Full list
Partial Q2 2014 data: 49 holders have filed so far. Prior holders are carried forward until their next 13F confirms a change.
Manager Value ($000) Shares % of 13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 33,109 2,932,683 0.02%
FMR LLC 23,128 2,048,517 0.0%
ROYCE & ASSOCIATES LLC 14,298 1,634,114 0.04%
Weiss Multi-Strategy Advisers LLC 13,910 1,232,025 0.28%
WADDELL & REED FINANCIAL INC 13,452 1,191,500 0.02%
BlackRock Fund Advisors 11,455 1,309,104 0.0%
Cortina Asset Management, LLC 11,007 974,958 0.4%
QUENTEC ASSET MANAGEMENT LLC 9,735 862,283 2.96%
ECOFIN LTD 9,425 1,077,171 1.6%
SAC Capital Advisors LP 9,415 833,900 0.05%
ARIEL INVESTMENTS, LLC 8,598 761,517 0.1%
VANGUARD GROUP INC 6,977 797,347 0.0%
BlackRock Institutional Trust Company, N.A. 6,378 728,935 0.0%
Invesco Ltd. 5,813 514,906 0.0%
TOCQUEVILLE ASSET MANAGEMENT L.P. 5,465 624,625 0.05%
NORTHERN TRUST CORP 4,958 439,115 0.0%
STATE STREET CORP 4,560 403,783 0.0%
DIMENSIONAL FUND ADVISORS LP 4,390 501,671 0.0%
Invicta Capital Management, LLC 3,387 300,000 1.87%
Zweig-DiMenna Associates LLC 3,274 290,000 0.19%
ROBECOSAM AG 2,829 320,000 0.23%
MANUFACTURERS LIFE INSURANCE COMPANY, THE 2,785 246,730 0.0%
Irving Magee Investment Management 2,564 293,080 1.16%
ADAGE CAPITAL PARTNERS GP LLC 2,540 225,000 0.01%
SUSQUEHANNA INTERNATIONAL GROUP, LLP 2,272 201,294 0.0%