Columbia Wanger Asset Management’s Rubicon Technology, Inc. RBCN Stock Holding History

Columbia Wanger Asset Management’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
2016 Q2	–	Sell	-110,952	Closed	-$810K	–	209
2016 Q1	$810K	Sell	110,952 -178,469	-62%	-$1.69M	0.01%	181
2015 Q4	$3.3M	Buy	289,421 +1,225	+0.4%	+$13.6K	0.03%	173
2015 Q3	$2.97M	Sell	288,196 -28,884	-9%	-$474K	0.02%	180
2015 Q2	$7.71M	Sell	317,080 -22,920	-7%	-$748K	0.05%	188
2015 Q1	$13.4M	Buy	340,000 +82,401	+32%	+$3.51M	0.07%	200
2014 Q4	$11.8M	Buy	257,599 +7,599	+3%	+$333K	0.06%	241
2014 Q3	$10.6M	Buy	250,000 +238,472	+2,069%	+$16.3M	0.05%	260
2014 Q2	$1.01M	Buy	+11,528	New	+$1.04M	﹤0.01%	299

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

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

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

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Aegis Financial Mc Lean, Virginia $580M AUM 105.74% 1-Year Est. Return

BIT

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

New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return

RGI

River Global Investors London, United Kingdom $515M AUM 24.86% 1-Year Est. Return

WAM

Wolverine Asset Management Chicago, Illinois $10.4B AUM 4.78% 1-Year Est. Return

Columbia Wanger Asset Management's RBCN Position: Q2 2016 in Review

Columbia Wanger Asset Management sold out of Rubicon Technology, Inc. (RBCN) in Q2 2016, closing a stake of 110,952 shares — an estimated $810K sold.

Columbia Wanger Asset Management first reported a position in RBCN in Q2 2014 and held it in 8 quarters. The position peaked at $13.4M in Q1 2015. 37 funds tracked by Wall St. Rank hold RBCN as of Q2 2016.

Columbia Wanger Asset Management reported no remaining Rubicon Technology, Inc. position as of Q2 2016 after selling out during the quarter.
Columbia Wanger Asset Management sold 110,952 Rubicon Technology, Inc. shares in Q2 2016, an estimated $810K.
Columbia Wanger Asset Management first reported a position in Rubicon Technology, Inc. in Q2 2014 and held it in 8 quarters.
Columbia Wanger Asset Management's Rubicon Technology, Inc. position peaked at $13.4M in Q1 2015.
37 funds tracked by Wall St. Rank held Rubicon Technology, Inc. as of Q2 2016.

Based on Columbia Wanger Asset Management's 13F filing for Q2 2016, filed 12 Aug 2016.