A.R.T. Advisors’s Alpha and Omega Semiconductor AOSL Stock Holding History

A.R.T. Advisors’s Portfolio AOSL Stock Details AOSL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2018 Q4	–	Sell	-15,089	Closed	-$175K	–	1297
2018 Q3	$175K	Buy	+15,089	New	+$207K	0.01%	1213
2018 Q2	–	Sell	-10,811	Closed	-$167K	–	1400
2018 Q1	$167K	Buy	+10,811	New	+$175K	0.01%	1295
2017 Q4	–	Sell	-18,011	Closed	-$297K	–	1346
2017 Q3	$297K	Buy	18,011 +7,600	+73%	+$125K	0.02%	1013
2017 Q2	$173K	Sell	10,411 -10,114	-49%	-$180K	0.01%	1189
2017 Q1	$352K	Buy	20,525 +6,625	+48%	+$131K	0.02%	940
2016 Q4	$295K	Buy	+13,900	New	+$300K	0.02%	953
2016 Q3	–	Sell	-37,535	Closed	-$522K	–	653
2016 Q2	$522K	Buy	37,535 +22,289	+146%	+$300K	0.03%	790
2016 Q1	$180K	Buy	+15,246	New	+$161K	0.01%	1192

Other funds holding AOSL

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

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

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Gagnon Securities New York $519M AUM 44.91% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Gagnon Advisors New York $157M AUM 36.77% 1-Year Est. Return

A.R.T. Advisors's AOSL Position: Q4 2018 in Review

A.R.T. Advisors sold out of Alpha and Omega Semiconductor (AOSL) in Q4 2018, closing a stake of 15,089 shares — an estimated $175K sold.

A.R.T. Advisors first reported a position in AOSL in Q1 2016 and held it in 8 quarters. The position peaked at $522K in Q2 2016. 86 funds tracked by Wall St. Rank hold AOSL as of Q4 2018.

A.R.T. Advisors reported no remaining Alpha and Omega Semiconductor position as of Q4 2018 after selling out during the quarter.
A.R.T. Advisors sold 15,089 Alpha and Omega Semiconductor shares in Q4 2018, an estimated $175K.
A.R.T. Advisors first reported a position in Alpha and Omega Semiconductor in Q1 2016 and held it in 8 quarters.
A.R.T. Advisors's Alpha and Omega Semiconductor position peaked at $522K in Q2 2016.
86 funds tracked by Wall St. Rank held Alpha and Omega Semiconductor as of Q4 2018.

Based on A.R.T. Advisors's 13F filing for Q4 2018, filed 14 Feb 2019.