BlackRock Fund Advisors’s Ciena CIEN Stock Holding History

BlackRock Fund Advisors’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
2016 Q4	$211M	Buy	8,651,154 +905,022	+12%	+$19.8M	0.04%	605
2016 Q3	$169M	Buy	7,746,132 +688,065	+10%	+$14.3M	0.03%	649
2016 Q2	$132M	Buy	7,058,067 +506,829	+8%	+$9.18M	0.03%	764
2016 Q1	$125M	Sell	6,551,238 -200,016	-3%	-$3.69M	0.03%	776
2015 Q4	$140M	Buy	6,751,254 +533,737	+9%	+$12.3M	0.03%	705
2015 Q3	$129M	Buy	6,217,517 +339,177	+6%	+$7.88M	0.03%	715
2015 Q2	$139M	Buy	5,878,340 +542,439	+10%	+$12.4M	0.03%	738
2015 Q1	$103M	Sell	5,335,901 -10,313	-0.2%	-$206K	0.02%	973
2014 Q4	$104M	Buy	5,346,214 +243,431	+5%	+$4.06M	0.03%	920
2014 Q3	$85.3M	Buy	5,102,783 +26,987	+0.5%	+$529K	0.02%	973
2014 Q2	$110M	Sell	5,075,796 -113,184	-2%	-$2.33M	0.03%	801
2014 Q1	$118M	Buy	5,188,980 +45,776	+0.9%	+$1.08M	0.04%	715
2013 Q4	$123M	Buy	5,143,204 +124,831	+2%	+$2.97M	0.04%	678
2013 Q3	$126M	Buy	5,018,373 +414,919	+9%	+$9.35M	0.04%	584
2013 Q2	$89.4M	Buy	+4,603,454	New	+$76.6M	0.03%	732

Other funds holding CIEN

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

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

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

TCIM

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

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

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

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

BIT

BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return

Teachers Advisors New York $81.7B AUM 13.62% 1-Year Est. Return

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

BlackRock Fund Advisors's CIEN Position: Q4 2016 in Review

BlackRock Fund Advisors increased its Ciena (CIEN) stake by 12% in Q4 2016, buying an estimated $19.8M and bringing the position to 8,651,154 shares worth $211M. The position accounts for 0.04% of the portfolio, ranked #605.

BlackRock Fund Advisors first reported a position in CIEN in Q2 2013 and has held it in 15 quarters since. 300 funds tracked by Wall St. Rank hold CIEN as of Q4 2016.

BlackRock Fund Advisors held 8,651,154 shares of Ciena worth $211M as of Q4 2016.
BlackRock Fund Advisors bought 905,022 Ciena shares in Q4 2016, an estimated $19.8M.
Ciena made up 0.04% of BlackRock Fund Advisors's portfolio in Q4 2016, its #605 holding.
BlackRock Fund Advisors first reported a position in Ciena in Q2 2013 and has held it in 15 quarters since.
300 funds tracked by Wall St. Rank held Ciena as of Q4 2016.

Based on BlackRock Fund Advisors's 13F filing for Q4 2016, filed 10 Feb 2017.