Qube Research & Technologies (QRT)
CIEN icon

Qube Research & Technologies (QRT)’s Ciena CIEN Stock Holding History

Qube Research & Technologies (QRT)’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 		$139M Buy
+282,869
New +$144M 0.13% 195
2026
Q1 		– Sell
-132,396
Closed -$31M – 3590
2025
Q4 		$31M Buy
132,396
+86,712
+190% +$16.8M 0.03% 704
2025
Q3 		$6.65M Buy
+45,684
New +$4.65M 0.01% 1576
2025
Q2 		– Sell
-849,833
Closed -$51.4M – 3585
2025
Q1 		$51.4M Buy
849,833
+771,463
+984% +$61M 0.06% 398
2024
Q4 		$6.65M Buy
+78,370
New +$5.62M 0.01% 1336
2024
Q2 		– Sell
-83,781
Closed -$4.14M – 3901
2024
Q1 		$4.14M Sell
83,781
-204,829
-71% -$10.8M 0.01% 1348
2023
Q4 		$13M Buy
+288,610
New +$12.7M 0.03% 638
2023
Q3 		– Sell
-12,149
Closed -$516K – 4114
2023
Q2 		$516K Sell
12,149
-146,543
-92% -$6.67M ﹤0.01% 1500
2023
Q1 		$8.33M Buy
+158,692
New +$7.92M 0.04% 526
2022
Q3 		– Sell
-121,035
Closed -$5.53M – 2551
2022
Q2 		$5.53M Sell
121,035
-55,132
-31% -$2.86M 0.04% 471
2022
Q1 		$10.7M Buy
176,167
+30,715
+21% +$2.01M 0.09% 282
2021
Q4 		$11.2M Buy
145,452
+62,546
+75% +$3.86M 0.09% 312
2021
Q3 		$4.26M Sell
82,906
-5,604
-6% -$311K 0.05% 458
2021
Q2 		$5.04M Buy
+88,510
New +$4.88M 0.06% 408
2020
Q4 		– Sell
-236,684
Closed -$9.39M – 1850
2020
Q3 		$9.39M Buy
236,684
+99,738
+73% +$5.25M 0.13% 182
2020
Q2 		$7.42M Buy
+136,946
New +$6.81M 0.11% 235
2020
Q1 		– Sell
-13,680
Closed -$584K – 1190
2019
Q4 		$584K Buy
13,680
+7,049
+106% +$269K 0.02% 873
2019
Q3 		$260K Buy
6,631
+316
+5% +$13.2K 0.17% 182
2019
Q2 		$260K Buy
+6,315
New +$243K 0.06% 297
2018
Q4 		– Sell
-5,438
Closed -$170K – 402
2018
Q3 		$170K Buy
5,438
+4,485
+471% +$126K 0.02% 565
2018
Q2 		$25K Buy
+953
New +$24.2K 0.02% 681

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

Qube Research & Technologies (QRT)'s CIEN Position: Q2 2026 in Review

Qube Research & Technologies (QRT) opened a new position in Ciena (CIEN) in Q2 2026: 282,869 shares worth $139M. The stake represents 0.13% of the portfolio and ranks #195 among its holdings. This is a return to the name: Qube Research & Technologies (QRT) previously reported a position in CIEN as recently as Q4 2025.

Qube Research & Technologies (QRT) first reported a position in CIEN in Q2 2018 and has held it in 21 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Qube Research & Technologies (QRT) held 282,869 shares of Ciena worth $139M as of Q2 2026.
  • Ciena was a new Qube Research & Technologies (QRT) position in Q2 2026.
  • Ciena made up 0.13% of Qube Research & Technologies (QRT)'s portfolio in Q2 2026, its #195 holding.
  • Qube Research & Technologies (QRT) first reported a position in Ciena in Q2 2018 and has held it in 21 quarters since.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q2 2026, filed 14 Aug 2026.