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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
2026
Q2 		– Sell
-1,262
Closed -$490K – 1808
2026
Q1 		$490K Sell
1,262
-1,684
-57% -$515K 0.06% 481
2025
Q4 		$689K Buy
+2,946
New +$572K 0.09% 281
2025
Q2 		– Sell
-11,870
Closed -$717K – 1572
2025
Q1 		$717K Buy
+11,870
New +$938K 0.11% 233
2024
Q3 		– Sell
-8,079
Closed -$426K – 2952
2024
Q2 		$389K Buy
8,079
+2,242
+38% +$106K ﹤0.01% 1757
2024
Q1 		$289K Buy
+5,837
New +$308K ﹤0.01% 1994
2023
Q4 		– Sell
-28,027
Closed -$1.24M – 3086
2023
Q3 		$1.32M Buy
28,027
+21,100
+305% +$930K 0.01% 877
2023
Q2 		$294K Buy
+6,927
New +$315K ﹤0.01% 1901
2022
Q1 		– Sell
-3,578
Closed -$275K – 2148
2021
Q4 		$275K Buy
+3,578
New +$221K 0.01% 867
2021
Q2 		– Sell
-4,653
Closed -$256K – 1507
2021
Q1 		$255K Buy
+4,653
New +$250K 0.01% 520
2020
Q4 		– Sell
-6,193
Closed -$246K – 1697
2020
Q3 		$246K Buy
+6,193
New +$326K 0.01% 989
2019
Q4 		– Sell
-5,515
Closed -$210K – 2355
2019
Q3 		$216K Sell
5,515
-7,479
-58% -$314K ﹤0.01% 1797
2019
Q2 		$534K Buy
+12,994
New +$500K 0.01% 1079

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.