Simplex Trading
CIEN icon

Simplex Trading’s Ciena CIEN Stock Holding History

Simplex Trading’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 		$11.8M Sell
30,300
-23,300
-43% -$7.13M 0.01% 639
2025
Q4 		$12.5M Sell
53,600
-109,900
-67% -$21.3M 0.01% 732
2025
Q3 		$23.8M Buy
163,500
+30,600
+23% +$3.12M 0.01% 572
2025
Q2 		$10.8M Sell
132,900
-86,200
-39% -$6.18M 0.01% 844
2025
Q1 		$13.2M Buy
219,100
+47,200
+27% +$3.73M 0.01% 714
2024
Q4 		$14.6M Sell
171,900
-18,600
-10% -$1.33M 0.01% 811
2024
Q3 		$11.7M Sell
190,500
-31,800
-14% -$1.68M 0.01% 936
2024
Q2 		$10.7M Sell
222,300
-145,400
-40% -$6.9M 0.01% 976
2024
Q1 		$18.2M Buy
367,700
+259,000
+238% +$13.7M 0.01% 760
2023
Q4 		$4.89M Buy
108,700
+46,100
+74% +$2.03M ﹤0.01% 1566
2023
Q3 		$2.96M Buy
62,600
+32,600
+109% +$1.44M ﹤0.01% 1749
2023
Q2 		$1.27M Sell
30,000
-115,700
-79% -$5.27M ﹤0.01% 2379
2023
Q1 		$7.65M Sell
145,700
-1,500
-1% -$74.9K 0.01% 1038
2022
Q4 		$7.5M Buy
147,200
+90,000
+157% +$4.07M 0.01% 990
2022
Q3 		$2.31M Sell
57,200
-58,400
-51% -$2.81M ﹤0.01% 1828
2022
Q2 		$5.28M Buy
115,600
+81,600
+240% +$4.23M 0.01% 1122
2022
Q1 		$2.06M Sell
34,000
-17,600
-34% -$1.15M ﹤0.01% 2076
2021
Q4 		$3.97M Sell
51,600
-27,300
-35% -$1.68M ﹤0.01% 1395
2021
Q3 		$4.56M Buy
78,900
+6,500
+9% +$361K ﹤0.01% 1288
2021
Q2 		$4.12M Buy
72,400
+71,329
+6,660% +$3.93M ﹤0.01% 1363
2021
Q1 		$5.86M Sell
1,071
-609
-36% -$32.8K 0.01% 708
2020
Q4 		$8.88M Buy
1,680
+636
+61% +$28.3K 0.01% 639
2020
Q3 		$4.14M Sell
1,044
-9
-0.9% -$474 0.01% 990
2020
Q2 		$5.7M Sell
1,053
-585
-36% -$29.1K 0.01% 784
2020
Q1 		$6.52M Buy
1,638
+613
+60% +$25.1K 0.01% 569
2019
Q4 		$4.38M Buy
1,025
+137
+15% +$5.22K 0.01% 886
2019
Q3 		$3.48M Sell
888
-472
-35% -$19.8K 0.01% 930
2019
Q2 		$5.59M Buy
1,360
+28
+2% +$1.08K 0.02% 622
2019
Q1 		$4.97M Buy
1,332
+850
+176% +$33K 0.01% 678
2018
Q4 		$1.63M Sell
482
-12
-2% -$380 ﹤0.01% 1233
2018
Q3 		$1.54M Sell
494
-113
-19% -$3.17K 0.01% 1469
2018
Q2 		$1.61M Sell
607
-238
-28% -$6.04K 0.01% 1330
2018
Q1 		$241K Buy
845
+550
+186% +$12.9K 0.01% 1116
2017
Q4 		$39K Sell
295
-548
-65% -$11.6K ﹤0.01% 2673
2017
Q3 		$57K Sell
843
-1,054
-56% -$25.2K ﹤0.01% 2184
2017
Q2 		$295K Buy
1,897
+1,551
+448% +$37.2K 0.01% 958
2017
Q1 		$67K Sell
346
-427
-55% -$10.5K ﹤0.01% 2089
2016
Q4 		$182K Buy
773
+392
+103% +$8.56K 0.01% 1112
2016
Q3 		$86K Sell
381
-95
-20% -$1.98K 0.01% 1648
2016
Q2 		$83K Buy
476
+305
+178% +$5.52K 0.01% 1622
2016
Q1 		$28K Buy
171
+96
+128% +$1.77K ﹤0.01% 2478
2015
Q4 		$20K Sell
75
-369
-83% -$8.48K ﹤0.01% 2685
2015
Q3 		$38K Buy
444
+293
+194% +$6.81K ﹤0.01% 2203
2015
Q2 		$48K Buy
151
+44
+41% +$1K ﹤0.01% 1722
2015
Q1 		$23K Sell
107
-79
-42% -$1.57K ﹤0.01% 2208
2014
Q4 		$34K Buy
+186
New +$3.11K ﹤0.01% 1643

Other funds holding CIEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
JP Morgan Chase
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Simplex Trading's CIEN Position: Q1 2026 in Review

Simplex Trading sold out of Ciena (CIEN) in Q1 2026, closing a stake of 8,836 shares — an estimated $2.7M sold.

Simplex Trading first reported a position in CIEN in Q4 2014 and held it in 31 quarters. The position peaked at $3.89M in Q3 2024. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

  • Simplex Trading reported no remaining Ciena position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 8,836 Ciena shares in Q1 2026, an estimated $2.7M.
  • Simplex Trading first reported a position in Ciena in Q4 2014 and held it in 31 quarters.
  • Simplex Trading's Ciena position peaked at $3.89M in Q3 2024.
  • 1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.