Man Group
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Man Group’s Ciena CIEN Stock Holding History

Man Group’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 		$164M Buy
334,805
+311,418
+1,332% +$159M 0.26% 76
2026
Q1 		$9.08M Sell
23,387
-6,714
-22% -$2.05M 0.02% 853
2025
Q4 		$7.04M Sell
30,101
-23,924
-44% -$4.64M 0.01% 946
2025
Q3 		$7.87M Buy
+54,025
New +$5.5M 0.01% 896
2024
Q4 		– Sell
-119,567
Closed -$7.36M – 2006
2024
Q3 		$7.36M Sell
119,567
-51,509
-30% -$2.71M 0.02% 878
2024
Q2 		$8.24M Sell
171,076
-51,997
-23% -$2.47M 0.02% 789
2024
Q1 		$11M Sell
223,073
-62,682
-22% -$3.31M 0.03% 662
2023
Q4 		$12.9M Buy
+285,755
New +$12.6M 0.04% 541
2023
Q3 		– Sell
-57,482
Closed -$2.53M – 582
2023
Q2 		$2.44M Buy
+57,482
New +$2.62M 0.01% 1127
2023
Q1 		– Sell
-28,300
Closed -$1.41M – 1194
2022
Q4 		$1.44M Buy
+28,300
New +$1.28M 0.01% 1212
2022
Q2 		– Sell
-115,885
Closed -$6.01M – 836
2022
Q1 		$7.03M Buy
115,885
+92,972
+406% +$6.09M 0.02% 754
2021
Q4 		$1.76M Buy
+22,913
New +$1.41M 0.01% 1191
2020
Q4 		– Sell
-5,502
Closed -$218K – 1831
2020
Q3 		$218K Sell
5,502
-7,633
-58% -$402K ﹤0.01% 1689
2020
Q2 		$711K Buy
+13,135
New +$653K ﹤0.01% 1370
2020
Q1 		– Sell
-257,014
Closed -$11M – 1645
2019
Q4 		$11M Buy
257,014
+227,217
+763% +$8.66M 0.04% 650
2019
Q3 		$1.17M Sell
29,797
-193,518
-87% -$8.11M ﹤0.01% 1390
2019
Q2 		$9.18M Buy
223,315
+22,215
+11% +$855K 0.03% 668
2019
Q1 		$7.51M Sell
201,100
-82,500
-29% -$3.2M 0.03% 707
2018
Q4 		$9.62M Buy
283,600
+238,485
+529% +$7.56M 0.04% 467
2018
Q3 		$1.41M Sell
45,115
-23,571
-34% -$660K 0.01% 1534
2018
Q2 		$1.82M Buy
68,686
+18,744
+38% +$476K 0.01% 1393
2018
Q1 		$1.29M Buy
+49,942
New +$1.18M 0.01% 1439

Other funds holding CIEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Man Group's CIEN Position: Q2 2026 in Review

Man Group increased its Ciena (CIEN) stake by 1,332% in Q2 2026, buying an estimated $159M and bringing the position to 334,805 shares worth $164M. The position accounts for 0.26% of the portfolio, ranked #76.

Man Group first reported a position in CIEN in Q1 2018 and has held it in 22 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Man Group held 334,805 shares of Ciena worth $164M as of Q2 2026.
  • Man Group bought 311,418 Ciena shares in Q2 2026, an estimated $159M.
  • Ciena made up 0.26% of Man Group's portfolio in Q2 2026, its #76 holding.
  • Man Group first reported a position in Ciena in Q1 2018 and has held it in 22 quarters since.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Man Group's 13F filing for Q2 2026, filed 14 Aug 2026.