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

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Invesco Atlanta, Georgia $653B AUM 32.41% 1-Year Est. Return

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

Parnassus Investments

Parnassus Investments San Francisco, California $34.1B AUM 20.22% 1-Year Est. Return

Wellington Management Group

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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

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