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Two Sigma Securities’s Ciena CIEN Stock Holding History

Two Sigma Securities’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
2024
Q4 		– Sell
-6,700
Closed -$413K – 1890
2024
Q3 		$413K Sell
6,700
-1,200
-15% -$63.2K 0.01% 1478
2024
Q2 		$381K Sell
7,900
-11,200
-59% -$532K ﹤0.01% 1771
2024
Q1 		$944K Buy
19,100
+3,100
+19% +$164K 0.01% 1166
2023
Q4 		$720K Sell
16,000
-7,400
-32% -$326K 0.01% 1268
2023
Q3 		$1.11M Buy
23,400
+12,900
+123% +$569K 0.01% 974
2023
Q2 		$446K Sell
10,500
-40,900
-80% -$1.86M 0.01% 1516
2023
Q1 		$2.7M Buy
51,400
+44,700
+667% +$2.23M 0.05% 418
2022
Q4 		$342K Sell
6,700
-200
-3% -$9.04K 0.01% 1415
2022
Q3 		$279K Buy
+6,900
New +$332K 0.01% 1648
2020
Q2 		– Sell
-8,500
Closed -$338K – 1393
2020
Q1 		$338K Sell
8,500
-25,700
-75% -$1.05M 0.01% 789
2019
Q4 		$1.46M Buy
34,200
+9,000
+36% +$343K 0.01% 856
2019
Q3 		$989K Buy
25,200
+1,200
+5% +$50.3K 0.01% 874
2019
Q2 		$987K Buy
24,000
+16,100
+204% +$620K 0.01% 738
2019
Q1 		$295K Sell
7,900
-5,900
-43% -$229K ﹤0.01% 1203
2018
Q4 		$468K Sell
13,800
-71,800
-84% -$2.28M 0.01% 1028
2018
Q3 		$2.67M Sell
85,600
-53,300
-38% -$1.49M 0.02% 574
2018
Q2 		$3.68M Buy
138,900
+14,100
+11% +$358K 0.02% 613
2018
Q1 		$3.23M Buy
124,800
+103,200
+478% +$2.43M 0.02% 642
2017
Q4 		$452K Buy
+21,600
New +$458K 0.01% 759

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

Two Sigma Securities's CIEN Position: Q2 2026 in Review

Two Sigma Securities sold out of Ciena (CIEN) in Q2 2026, closing a stake of 1,262 shares — an estimated $490K sold.

Two Sigma Securities first reported a position in CIEN in Q2 2019 and held it in 12 quarters. The position peaked at $1.32M in Q3 2023. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Two Sigma Securities reported no remaining Ciena position as of Q2 2026 after selling out during the quarter.
  • Two Sigma Securities sold 1,262 Ciena shares in Q2 2026, an estimated $490K.
  • Two Sigma Securities first reported a position in Ciena in Q2 2019 and held it in 12 quarters.
  • Two Sigma Securities's Ciena position peaked at $1.32M in Q3 2023.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Two Sigma Securities's 13F filing for Q2 2026, filed 14 Aug 2026.