Campbell & Co Investment Adviser’s Ciena CIEN Stock Holding History

Campbell & Co Investment Adviser’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
2025 Q3	–	Sell	-19,179	Closed	-$1.56M	–	1136
2025 Q2	$1.56M	Buy	19,179 +3,576	+23%	+$257K	0.1%	323
2025 Q1	$943K	Buy	+15,603	New	+$1.23M	0.07%	450
2022 Q2	–	Sell	-5,900	Closed	-$358K	–	701
2022 Q1	$358K	Buy	+5,900	New	+$386K	0.1%	407
2020 Q4	–	Sell	-11,537	Closed	-$458K	–	435
2020 Q3	$458K	Buy	+11,537	New	+$607K	0.34%	89
2020 Q1	–	Sell	-7,527	Closed	-$321K	–	109
2019 Q4	$321K	Buy	+7,527	New	+$287K	0.1%	392
2019 Q3	–	Sell	-6,272	Closed	-$258K	–	616
2019 Q2	$258K	Buy	+6,272	New	+$241K	0.12%	360
2015 Q2	–	Sell	-58,433	Closed	-$1.13M	–	165
2015 Q1	$1.13M	Buy	+58,433	New	+$1.16M	0.71%	45
2014 Q4	–	Sell	-125,433	Closed	-$2.1M	–	214
2014 Q3	$2.1M	Buy	+125,433	New	+$2.46M	1.07%	27
2014 Q2	–	Sell	-57,357	Closed	-$1.3M	–	169
2014 Q1	$1.3M	Buy	+57,357	New	+$1.35M	0.52%	65

Other funds holding CIEN

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

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

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

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

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return

Campbell & Co Investment Adviser's CIEN Position: Q3 2025 in Review

Campbell & Co Investment Adviser sold out of Ciena (CIEN) in Q3 2025, closing a stake of 19,179 shares — an estimated $1.56M sold.

Campbell & Co Investment Adviser first reported a position in CIEN in Q1 2014 and held it in 9 quarters. The position peaked at $2.1M in Q3 2014. 689 funds tracked by Wall St. Rank hold CIEN as of Q3 2025.

Campbell & Co Investment Adviser reported no remaining Ciena position as of Q3 2025 after selling out during the quarter.
Campbell & Co Investment Adviser sold 19,179 Ciena shares in Q3 2025, an estimated $1.56M.
Campbell & Co Investment Adviser first reported a position in Ciena in Q1 2014 and held it in 9 quarters.
Campbell & Co Investment Adviser's Ciena position peaked at $2.1M in Q3 2014.
689 funds tracked by Wall St. Rank held Ciena as of Q3 2025.

Based on Campbell & Co Investment Adviser's 13F filing for Q3 2025, filed 28 Oct 2025.