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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
-8,200
Closed -$505K – 1891
2024
Q3 		$505K Sell
8,200
-1,400
-15% -$73.8K 0.01% 1315
2024
Q2 		$463K Sell
9,600
-8,000
-45% -$380K 0.01% 1609
2024
Q1 		$870K Buy
17,600
+9,200
+110% +$485K 0.01% 1220
2023
Q4 		$378K Sell
8,400
-600
-7% -$26.5K ﹤0.01% 1777
2023
Q3 		$425K Buy
+9,000
New +$397K ﹤0.01% 1653
2023
Q2 		– Sell
-30,300
Closed -$1.59M – 2834
2023
Q1 		$1.59M Buy
30,300
+21,400
+240% +$1.07M 0.03% 621
2022
Q4 		$454K Sell
8,900
-700
-7% -$31.6K 0.01% 1178
2022
Q3 		$388K Buy
+9,600
New +$461K 0.01% 1326
2021
Q3 		– Sell
-6,600
Closed -$375K – 1595
2021
Q2 		$375K Buy
+6,600
New +$364K 0.01% 834
2020
Q3 		– Sell
-4,900
Closed -$265K – 1334
2020
Q2 		$265K Buy
+4,900
New +$244K 0.01% 972
2020
Q1 		– Sell
-28,900
Closed -$1.23M – 1469
2019
Q4 		$1.23M Buy
28,900
+7,000
+32% +$267K 0.01% 943
2019
Q3 		$859K Sell
21,900
-2,300
-10% -$96.4K 0.01% 944
2019
Q2 		$995K Buy
+24,200
New +$931K 0.01% 734
2019
Q1 		– Sell
-20,200
Closed -$685K – 1880
2018
Q4 		$685K Sell
20,200
-87,100
-81% -$2.76M 0.01% 826
2018
Q3 		$3.35M Sell
107,300
-70,300
-40% -$1.97M 0.02% 506
2018
Q2 		$4.71M Buy
177,600
+69,700
+65% +$1.77M 0.02% 510
2018
Q1 		$2.79M Buy
107,900
+93,500
+649% +$2.2M 0.02% 719
2017
Q4 		$301K Buy
+14,400
New +$305K 0.01% 998

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

Two Sigma Securities's CIEN Position: Q1 2026 in Review

Two Sigma Securities reduced its Ciena (CIEN) stake by 57% in Q1 2026, selling an estimated $515K and leaving 1,262 shares worth $490K. The position accounts for 0.06% of the portfolio, ranked #481.

Two Sigma Securities first reported a position in CIEN in Q2 2019 and has held it in 12 quarters since. The position peaked at $1.32M in Q3 2023. 1,081 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

  • Two Sigma Securities held 1,262 shares of Ciena worth $490K as of Q1 2026.
  • Two Sigma Securities sold 1,684 Ciena shares in Q1 2026, an estimated $515K.
  • Ciena made up 0.06% of Two Sigma Securities's portfolio in Q1 2026, its #481 holding.
  • Two Sigma Securities first reported a position in Ciena in Q2 2019 and has held it in 12 quarters since.
  • Two Sigma Securities's Ciena position peaked at $1.32M in Q3 2023.
  • 1,081 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Two Sigma Securities's 13F filing for Q1 2026, filed 15 May 2026.