QT
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Quantbot Technologies’s Ciena CIEN Stock Holding History

Quantbot Technologies’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 		$2.86M Buy
+7,376
New +$2.26M 0.12% 254
2025
Q4 		– Sell
-4,406
Closed -$642K – 1761
2025
Q3 		$642K Buy
+4,406
New +$449K 0.02% 928
2023
Q2 		– Sell
-12,111
Closed -$636K – 1616
2023
Q1 		$636K Sell
12,111
-35,260
-74% -$1.76M 0.05% 540
2022
Q4 		$2.41M Buy
+47,371
New +$2.14M 0.17% 175
2022
Q1 		– Sell
-762
Closed -$58K – 1681
2021
Q4 		$58K Buy
+762
New +$47K ﹤0.01% 993
2020
Q1 		– Sell
-25,040
Closed -$1.07M – 975
2019
Q4 		$1.07M Buy
25,040
+4,365
+21% +$166K 0.11% 237
2019
Q3 		$811K Sell
20,675
-62,641
-75% -$2.63M 0.08% 321
2019
Q2 		$3.43M Buy
83,316
+78,388
+1,591% +$3.02M 0.34% 78
2019
Q1 		$184K Buy
+4,928
New +$191K 0.02% 668
2018
Q4 		– Sell
-2,468
Closed -$77K – 1065
2018
Q3 		$77K Buy
+2,468
New +$69.2K 0.01% 942
2016
Q3 		– Sell
-31,932
Closed -$598K – 1107
2016
Q2 		$598K Buy
31,932
+18,126
+131% +$328K 0.06% 326
2016
Q1 		$262K Buy
+13,806
New +$255K 0.04% 461
2015
Q4 		– Sell
-12,567
Closed -$260K – 1107
2015
Q3 		$260K Sell
12,567
-2,779
-18% -$64.6K 0.05% 447
2015
Q2 		$363K Buy
15,346
+13,470
+718% +$308K 0.07% 275
2015
Q1 		$36K Sell
1,876
-14,235
-88% -$284K 0.01% 837
2014
Q4 		$312K Sell
16,111
-22,959
-59% -$383K 0.1% 305
2014
Q3 		$653K Buy
39,070
+26,921
+222% +$528K 0.09% 339
2014
Q2 		$263K Buy
+12,149
New +$250K 0.04% 486
2014
Q1 		– Sell
-5,633
Closed -$134K – 1133
2013
Q4 		$134K Buy
+5,633
New +$134K 0.07% 352
2013
Q3 		– Sell
-12,100
Closed -$234K – 782
2013
Q2 		$234K Buy
+12,100
New +$201K 0.12% 214

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

Quantbot Technologies's CIEN Position: Q1 2026 in Review

Quantbot Technologies opened a new position in Ciena (CIEN) in Q1 2026: 7,376 shares worth $2.86M. The stake represents 0.12% of the portfolio and ranks #254 among its holdings. This is a return to the name: Quantbot Technologies previously reported a position in CIEN as recently as Q3 2025.

Quantbot Technologies first reported a position in CIEN in Q2 2013 and has held it in 20 quarters since. The position peaked at $3.43M in Q2 2019. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

  • Quantbot Technologies held 7,376 shares of Ciena worth $2.86M as of Q1 2026.
  • Ciena was a new Quantbot Technologies position in Q1 2026.
  • Ciena made up 0.12% of Quantbot Technologies's portfolio in Q1 2026, its #254 holding.
  • Quantbot Technologies first reported a position in Ciena in Q2 2013 and has held it in 20 quarters since.
  • Quantbot Technologies's Ciena position peaked at $3.43M in Q2 2019.
  • 1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Quantbot Technologies's 13F filing for Q1 2026, filed 13 May 2026.