Qube Research & Technologies (QRT)
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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
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 $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

Qube Research & Technologies (QRT)'s CIEN Position: Q1 2026 in Review

Qube Research & Technologies (QRT) sold out of Ciena (CIEN) in Q1 2026, closing a stake of 132,396 shares — an estimated $31M sold.

Qube Research & Technologies (QRT) first reported a position in CIEN in Q2 2018 and held it in 20 quarters. The position peaked at $51.4M in Q1 2025. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

  • Qube Research & Technologies (QRT) reported no remaining Ciena position as of Q1 2026 after selling out during the quarter.
  • Qube Research & Technologies (QRT) sold 132,396 Ciena shares in Q1 2026, an estimated $31M.
  • Qube Research & Technologies (QRT) first reported a position in Ciena in Q2 2018 and held it in 20 quarters.
  • Qube Research & Technologies (QRT)'s Ciena position peaked at $51.4M in Q1 2025.
  • 1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q1 2026, filed 15 May 2026.