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

Citadel 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
2022 Q4	–	Sell	-21,412	Closed	-$46K	–	15802
2022 Q3	$46K	Buy	+21,412	New	+$231K	﹤0.01%	11697
2017 Q2	–	Sell	-5,776	Closed	-$48K	–	8259
2017 Q1	$48K	Buy	5,776 +3,928	+213%	+$23.3K	﹤0.01%	7051
2016 Q4	$11K	Buy	+1,848	New	+$10.3K	﹤0.01%	7153
2015 Q1	–	Sell	-8,533	Closed	-$390K	–	8962
2014 Q4	$390K	Buy	8,533 +8,140	+2,071%	+$357K	﹤0.01%	5067
2014 Q3	$17K	Buy	+393	New	+$26.9K	﹤0.01%	7568
2014 Q1	–	Sell	-432	Closed	-$51.3K	–	8074
2013 Q4	$43K	Buy	432 +176	+69%	+$17.1K	﹤0.01%	6131
2013 Q3	$31K	Sell	256 -401	-61%	-$40.6K	﹤0.01%	6028
2013 Q2	$53K	Buy	+657	New	+$48K	﹤0.01%	5634

Other funds holding RBCN

Bandera Partners New York $221M AUM 10.51% 1-Year Est. Return

JBF Capital Aspen, Colorado $676M AUM 24.74% 1-Year Est. Return

TRCT

Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return

Citadel Advisors's RBCN Position: Q4 2022 in Review

Citadel Advisors sold out of Rubicon Technology, Inc. (RBCN) in Q4 2022, closing a stake of 21,412 shares — an estimated $46K sold.

Citadel Advisors first reported a position in RBCN in Q2 2013 and held it in 8 quarters. The position peaked at $390K in Q4 2014. 4 funds tracked by Wall St. Rank hold RBCN as of Q4 2022.

Citadel Advisors reported no remaining Rubicon Technology, Inc. position as of Q4 2022 after selling out during the quarter.
Citadel Advisors sold 21,412 Rubicon Technology, Inc. shares in Q4 2022, an estimated $46K.
Citadel Advisors first reported a position in Rubicon Technology, Inc. in Q2 2013 and held it in 8 quarters.
Citadel Advisors's Rubicon Technology, Inc. position peaked at $390K in Q4 2014.
4 funds tracked by Wall St. Rank held Rubicon Technology, Inc. as of Q4 2022.

Based on Citadel Advisors's 13F filing for Q4 2022, filed 14 Feb 2023.