RUBICON TECHNOLOGY INC

CUSIP: 78112T107 Class: COM

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

Note: Option positions (PUT/CALL) are excluded.

Q3 2014
Shares 2,905 Value ($000) $12 Avg Close — Range —
Q2 2014
Shares 2,926 Value ($000) $26 Avg Close — Range —
Q1 2014
Shares 2,411 Value ($000) $27 Avg Close — Range —
Q4 2013
Shares 2,811 Value ($000) $28 Avg Close — Range —
Q3 2013
Shares 2,596 Value ($000) $31 Avg Close — Range —
Q2 2013
Shares 2,374 Value ($000) $19 Avg Close — Range —