Oxford Asset Management’s Ciena CIEN Stock Holding History

Oxford Asset 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
2026 Q1	–	Sell	-2,171	Closed	-$508K	–	514
2025 Q4	$508K	Buy	+2,171	New	+$421K	0.19%	186
2024 Q2	–	Sell	-9,027	Closed	-$446K	–	306
2024 Q1	$446K	Buy	+9,027	New	+$476K	0.46%	66
2020 Q1	–	Sell	-53,762	Closed	-$2.29M	–	418
2019 Q4	$2.29M	Buy	53,762 +36,723	+216%	+$1.4M	0.06%	345
2019 Q3	$668K	Buy	+17,039	New	+$714K	0.02%	1135
2019 Q2	–	Sell	-8,224	Closed	-$307K	–	1729
2019 Q1	$307K	Buy	+8,224	New	+$319K	0.01%	1404
2018 Q1	–	Sell	-25,851	Closed	-$553K	–	1640
2017 Q4	$553K	Buy	+25,851	New	+$548K	0.01%	1149
2015 Q4	–	Sell	-44,389	Closed	-$920K	–	888
2015 Q3	$920K	Sell	44,389 -44,651	-50%	-$1.04M	0.03%	416
2015 Q2	$2.11M	Buy	89,040 +15,432	+21%	+$352K	0.06%	336
2015 Q1	$1.42M	Buy	+73,608	New	+$1.47M	0.04%	411
2013 Q3	–	Sell	-82,205	Closed	-$1.6M	–	806
2013 Q2	$1.6M	Buy	+82,205	New	+$1.37M	0.04%	502

Other funds holding CIEN

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

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

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Oxford Asset Management's CIEN Position: Q1 2026 in Review

Oxford Asset Management sold out of Ciena (CIEN) in Q1 2026, closing a stake of 2,171 shares — an estimated $508K sold.

Oxford Asset Management first reported a position in CIEN in Q2 2013 and held it in 10 quarters. The position peaked at $2.29M in Q4 2019. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

Oxford Asset Management reported no remaining Ciena position as of Q1 2026 after selling out during the quarter.
Oxford Asset Management sold 2,171 Ciena shares in Q1 2026, an estimated $508K.
Oxford Asset Management first reported a position in Ciena in Q2 2013 and held it in 10 quarters.
Oxford Asset Management's Ciena position peaked at $2.29M in Q4 2019.
1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Oxford Asset Management's 13F filing for Q1 2026, filed 15 May 2026.