EIM
RBCN

Essex Investment Management’s Rubicon Technology, Inc. RBCN Stock Holding History

Essex Investment 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
2014
Q3 		– Sell
-2,133
Closed -$187K – 387
2014
Q2 		$187K Buy
+2,133
New +$193K 0.03% 336
2013
Q4 		– Sell
-49,052
Closed -$5.94M – 405
2013
Q3 		$5.94M Buy
49,052
+23,852
+95% +$2.42M 0.9% 26
2013
Q2 		$2.01M Buy
+25,200
New +$1.84M 0.35% 88

Other funds holding RBCN

CWAM
Columbia Wanger Asset Management Chicago, Illinois $6.69B AUM 31.14% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
AI
Ariel Investments Chicago, Illinois $8.93B AUM 29.58% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
BFA
BlackRock Fund Advisors San Francisco, California $542B AUM 18.14% 1-Year Est. Return
QAM
Quentec Asset Management New York $634M AUM 22.87% 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 16.26% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Essex Investment Management's RBCN Position: Q3 2014 in Review

Essex Investment Management sold out of Rubicon Technology, Inc. (RBCN) in Q3 2014, closing a stake of 2,133 shares — an estimated $187K sold.

Essex Investment Management first reported a position in RBCN in Q2 2013 and held it in 3 quarters. The position peaked at $5.94M in Q3 2013. 102 funds tracked by Wall St. Rank hold RBCN as of Q3 2014.

  • Essex Investment Management reported no remaining Rubicon Technology, Inc. position as of Q3 2014 after selling out during the quarter.
  • Essex Investment Management sold 2,133 Rubicon Technology, Inc. shares in Q3 2014, an estimated $187K.
  • Essex Investment Management first reported a position in Rubicon Technology, Inc. in Q2 2013 and held it in 3 quarters.
  • Essex Investment Management's Rubicon Technology, Inc. position peaked at $5.94M in Q3 2013.
  • 102 funds tracked by Wall St. Rank held Rubicon Technology, Inc. as of Q3 2014.

Based on Essex Investment Management's 13F filing for Q3 2014, filed 29 Oct 2014.