QC
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Quadrature Capital’s Ciena CIEN Stock Holding History

Quadrature Capital’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 		– Sell
-2,784
Closed -$651K – 1443
2025
Q4 		$651K Buy
+2,784
New +$540K 0.01% 625
2025
Q2 		– Sell
-4,159
Closed -$251K – 1103
2025
Q1 		$251K Buy
+4,159
New +$329K 0.01% 792
2023
Q4 		– Sell
-19,623
Closed -$927K – 1158
2023
Q3 		$927K Buy
19,623
+6,124
+45% +$270K 0.02% 437
2023
Q2 		$574K Buy
13,499
+8,216
+156% +$374K 0.01% 549
2023
Q1 		$277K Buy
5,283
+1,298
+33% +$64.8K 0.01% 694
2022
Q4 		$203K Buy
+3,985
New +$180K 0.01% 719
2021
Q3 		– Sell
-15,934
Closed -$906K – 738
2021
Q2 		$906K Buy
+15,934
New +$878K 0.03% 343
2020
Q3 		– Sell
-21,244
Closed -$1.15M – 754
2020
Q2 		$1.15M Buy
+21,244
New +$1.06M 0.13% 230
2020
Q1 		– Sell
-10,400
Closed -$444K – 527
2019
Q4 		$444K Sell
10,400
-4,163
-29% -$159K 0.02% 355
2019
Q3 		$571K Sell
14,563
-64,215
-82% -$2.69M 0.03% 368
2019
Q2 		$3.24M Buy
78,778
+17,367
+28% +$668K 0.21% 110
2019
Q1 		$2.29M Buy
+61,411
New +$2.38M 0.2% 124
2018
Q2 		– Sell
-245,625
Closed -$6.36M – 541
2018
Q1 		$6.36M Buy
+245,625
New +$5.78M 0.5% 51
2017
Q3 		– Sell
-61,818
Closed -$1.55M – 456
2017
Q2 		$1.55M Buy
+61,818
New +$1.48M 0.12% 186
2016
Q3 		– Sell
-49,942
Closed -$936K – 585
2016
Q2 		$936K Buy
+49,942
New +$904K 0.07% 256

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

Quadrature Capital's CIEN Position: Q1 2026 in Review

Quadrature Capital sold out of Ciena (CIEN) in Q1 2026, closing a stake of 2,784 shares — an estimated $651K sold.

Quadrature Capital first reported a position in CIEN in Q2 2016 and held it in 15 quarters. The position peaked at $6.36M in Q1 2018. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

  • Quadrature Capital reported no remaining Ciena position as of Q1 2026 after selling out during the quarter.
  • Quadrature Capital sold 2,784 Ciena shares in Q1 2026, an estimated $651K.
  • Quadrature Capital first reported a position in Ciena in Q2 2016 and held it in 15 quarters.
  • Quadrature Capital's Ciena position peaked at $6.36M in Q1 2018.
  • 1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Quadrature Capital's 13F filing for Q1 2026, filed 15 May 2026.