A.R.T. Advisors’s ARUBA NETWORKS, INC. ARUN Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2015 Q1	–	Sell	-187,359	Closed	-$3.41M	–	1924
2014 Q4	$3.41M	Buy	187,359 +154,793	+475%	+$3.09M	0.13%	217
2014 Q3	$702K	Buy	+32,566	New	+$640K	0.03%	622
2014 Q1	–	Sell	-536,195	Closed	-$9.6M	–	1748
2013 Q4	$9.6M	Buy	536,195 +416,428	+348%	+$7.49M	0.51%	19
2013 Q3	$1.99M	Buy	+119,767	New	+$2.09M	0.11%	270

Other funds holding ARUN

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

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

WIC

Water Island Capital New York $896M AUM 107.59% 1-Year Est. Return

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

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

TAL

TIG Advisors LLC New York $2.16B AUM 72.99% 1-Year Est. Return

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

PCM

Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return

BFA

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

AAM

Alpine Associates Management Palm Beach, Florida $1.7B AUM 97.55% 1-Year Est. Return

A.R.T. Advisors's ARUN Position: Q1 2015 in Review

A.R.T. Advisors sold out of ARUBA NETWORKS, INC. (ARUN) in Q1 2015, closing a stake of 187,359 shares — an estimated $3.41M sold.

A.R.T. Advisors first reported a position in ARUN in Q3 2013 and held it in 4 quarters. The position peaked at $9.6M in Q4 2013. 195 funds tracked by Wall St. Rank hold ARUN as of Q1 2015.

A.R.T. Advisors reported no remaining ARUBA NETWORKS, INC. position as of Q1 2015 after selling out during the quarter.
A.R.T. Advisors sold 187,359 ARUBA NETWORKS, INC. shares in Q1 2015, an estimated $3.41M.
A.R.T. Advisors first reported a position in ARUBA NETWORKS, INC. in Q3 2013 and held it in 4 quarters.
A.R.T. Advisors's ARUBA NETWORKS, INC. position peaked at $9.6M in Q4 2013.
195 funds tracked by Wall St. Rank held ARUBA NETWORKS, INC. as of Q1 2015.

Based on A.R.T. Advisors's 13F filing for Q1 2015, filed 15 May 2015.