Dorsal Capital Management’s Ciena CIEN Stock Holding History

Dorsal Capital Management’s Portfolio CIEN Stock Details CIEN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2015 Q1	–	Sell	-300,000	Closed	-$5.82M	–	30
2014 Q4	$5.82M	Sell	300,000 -650,000	-68%	-$10.9M	1.17%	22
2014 Q3	$15.9M	Buy	950,000 +50,000	+6%	+$980K	2.85%	16
2014 Q2	$19.5M	Buy	900,000 +300,000	+50%	+$6.16M	3.44%	15
2014 Q1	$13.6M	Buy	600,000 +25,000	+4%	+$588K	2.44%	21
2013 Q4	$13.8M	Sell	575,000 -225,000	-28%	-$5.36M	2.38%	20
2013 Q3	$20M	Hold	800,000	–	–	3.78%	11
2013 Q2	$15.5M	Buy	+800,000	New	+$13.3M	2.41%	22

Other funds holding CIEN

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

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

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

PIM

Platinum Investment Management Sydney Australia 2000, Australia $407M AUM 87.11% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

BFA

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

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Parnassus Investments San Francisco, California $37.4B AUM 35.42% 1-Year Est. Return

TCIM

TIAA CREF Investment Management New York $141B AUM 14.18% 1-Year Est. Return

Dorsal Capital Management's CIEN Position: Q1 2015 in Review

Dorsal Capital Management sold out of Ciena (CIEN) in Q1 2015, closing a stake of 300,000 shares — an estimated $5.82M sold.

Dorsal Capital Management first reported a position in CIEN in Q2 2013 and held it in 7 quarters. The position peaked at $20M in Q3 2013. 259 funds tracked by Wall St. Rank hold CIEN as of Q1 2015.

Dorsal Capital Management reported no remaining Ciena position as of Q1 2015 after selling out during the quarter.
Dorsal Capital Management sold 300,000 Ciena shares in Q1 2015, an estimated $5.82M.
Dorsal Capital Management first reported a position in Ciena in Q2 2013 and held it in 7 quarters.
Dorsal Capital Management's Ciena position peaked at $20M in Q3 2013.
259 funds tracked by Wall St. Rank held Ciena as of Q1 2015.

Based on Dorsal Capital Management's 13F filing for Q1 2015, filed 15 May 2015.