Mason Street Advisors’s Rubicon Technology, Inc. RBCN Stock Holding History

Mason Street Advisors’s Portfolio RBCN Stock Details RBCN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2014 Q4	–	Sell	-291	Closed	-$12K	–	1929
2014 Q3	$12K	Sell	291 -2	-0.7%	-$137	﹤0.01%	1913
2014 Q2	$26K	Buy	293 +52	+22%	+$4.71K	﹤0.01%	1873
2014 Q1	$27K	Sell	241 -40	-14%	-$4.75K	﹤0.01%	1854
2013 Q4	$28K	Buy	281 +21	+8%	+$2.04K	﹤0.01%	1858
2013 Q3	$31K	Buy	260 +23	+10%	+$2.33K	﹤0.01%	1727
2013 Q2	$19K	Buy	+237	New	+$17.3K	﹤0.01%	1704

Other funds holding RBCN

Ariel Investments Chicago, Illinois $8.93B AUM 29.58% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

CWAM

Columbia Wanger Asset Management Chicago, Illinois $6.69B AUM 31.14% 1-Year Est. Return

Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return

Ecofin Advisors London, United Kingdom $239M AUM 45.14% 1-Year Est. Return

CAM

Cortina Asset Management Milwaukee, Wisconsin $1.62B AUM 15.44% 1-Year Est. Return

BIT

BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BFA

BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return

LAM

Lapides Asset Management Greenwich, Connecticut $153M AUM 9.03% 1-Year Est. Return

Mason Street Advisors's RBCN Position: Q4 2014 in Review

Mason Street Advisors sold out of Rubicon Technology, Inc. (RBCN) in Q4 2014, closing a stake of 291 shares — an estimated $12K sold.

Mason Street Advisors first reported a position in RBCN in Q2 2013 and held it in 6 quarters. The position peaked at $31K in Q3 2013. 82 funds tracked by Wall St. Rank hold RBCN as of Q4 2014.

Mason Street Advisors reported no remaining Rubicon Technology, Inc. position as of Q4 2014 after selling out during the quarter.
Mason Street Advisors sold 291 Rubicon Technology, Inc. shares in Q4 2014, an estimated $12K.
Mason Street Advisors first reported a position in Rubicon Technology, Inc. in Q2 2013 and held it in 6 quarters.
Mason Street Advisors's Rubicon Technology, Inc. position peaked at $31K in Q3 2013.
82 funds tracked by Wall St. Rank held Rubicon Technology, Inc. as of Q4 2014.

Based on Mason Street Advisors's 13F filing for Q4 2014, filed 13 Feb 2015.