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 Q2	$359K	Buy	+732	New	+$373K	0.18%	161
2026 Q1	–	Sell	-2,171	Closed	-$508K	–	531
2025 Q4	$508K	Buy	+2,171	New	+$421K	0.18%	194
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 $2.3T AUM 54.33% 1-Year Est. Return

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

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 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

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

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

Oxford Asset Management's CIEN Position: Q2 2026 in Review

Oxford Asset Management opened a new position in Ciena (CIEN) in Q2 2026: 732 shares worth $359K. The stake represents 0.18% of the portfolio and ranks #161 among its holdings. This is a return to the name: Oxford Asset Management previously reported a position in CIEN as recently as Q4 2025.

Oxford Asset Management first reported a position in CIEN in Q2 2013 and has held it in 11 quarters since. The position peaked at $2.29M in Q4 2019. 1,227 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

Oxford Asset Management held 732 shares of Ciena worth $359K as of Q2 2026.
Ciena was a new Oxford Asset Management position in Q2 2026.
Ciena made up 0.18% of Oxford Asset Management's portfolio in Q2 2026, its #161 holding.
Oxford Asset Management first reported a position in Ciena in Q2 2013 and has held it in 11 quarters since.
Oxford Asset Management's Ciena position peaked at $2.29M in Q4 2019.
1,227 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Oxford Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.