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Cubist Systematic Strategies’s Ciena CIEN Stock Holding History

Cubist Systematic Strategies’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
2025
Q2 		– Sell
-305,767
Closed -$21.9M – 3034
2025
Q1 		$18.5M Buy
+305,767
New +$24.2M 0.11% 226
2024
Q2 		– Sell
-198,562
Closed -$9.42M – 3116
2024
Q1 		$9.82M Buy
198,562
+32,350
+19% +$1.71M 0.06% 542
2023
Q4 		$7.48M Sell
166,212
-119,633
-42% -$5.27M 0.05% 616
2023
Q3 		$13.5M Buy
285,845
+217,279
+317% +$9.58M 0.1% 250
2023
Q2 		$2.91M Sell
68,566
-59,149
-46% -$2.69M 0.02% 1203
2023
Q1 		$6.71M Buy
127,715
+125,904
+6,952% +$6.28M 0.04% 715
2022
Q4 		$92.3K Sell
1,811
-48,485
-96% -$2.19M ﹤0.01% 3817
2022
Q3 		$2.03M Sell
50,296
-98,418
-66% -$4.73M 0.01% 1998
2022
Q2 		$6.8M Buy
148,714
+53,220
+56% +$2.76M 0.04% 711
2022
Q1 		$5.79M Buy
95,494
+37,540
+65% +$2.46M 0.05% 609
2021
Q4 		$4.46M Sell
57,954
-20,789
-26% -$1.28M 0.04% 734
2021
Q3 		$4.04M Buy
78,743
+32,112
+69% +$1.78M 0.05% 571
2021
Q2 		$2.65M Buy
46,631
+36,917
+380% +$2.04M 0.03% 911
2021
Q1 		$532K Buy
9,714
+3,575
+58% +$192K 0.01% 1920
2020
Q4 		$324K Sell
6,139
-51,024
-89% -$2.27M ﹤0.01% 1993
2020
Q3 		$2.27M Sell
57,163
-5,495
-9% -$289K 0.03% 833
2020
Q2 		$3.39M Buy
62,658
+40,587
+184% +$2.02M 0.06% 522
2020
Q1 		$879K Sell
22,071
-388,805
-95% -$16M 0.02% 907
2019
Q4 		$17.5M Buy
410,876
+216,540
+111% +$8.25M 0.32% 29
2019
Q3 		$7.62M Sell
194,336
-642,011
-77% -$26.9M 0.15% 170
2019
Q2 		$34.4M Buy
836,347
+743,599
+802% +$28.6M 0.63% 3
2019
Q1 		$3.46M Buy
92,748
+75,820
+448% +$2.94M 0.11% 239
2018
Q4 		$574K Buy
16,928
+37
+0.2% +$1.17K 0.03% 883
2018
Q3 		$528K Buy
16,891
+9,572
+131% +$268K 0.03% 794
2018
Q2 		$194K Sell
7,319
-16,207
-69% -$412K 0.01% 1368
2018
Q1 		$609K Sell
23,526
-13,800
-37% -$325K 0.04% 695
2017
Q4 		$781K Buy
+37,326
New +$791K 0.04% 621
2017
Q2 		– Sell
-13,498
Closed -$319K – 1695
2017
Q1 		$319K Sell
13,498
-2,363
-15% -$58K 0.02% 866
2016
Q4 		$387K Sell
15,861
-44,552
-74% -$973K 0.03% 810
2016
Q3 		$1.32M Sell
60,413
-36,926
-38% -$770K 0.08% 318
2016
Q2 		$1.82M Buy
97,339
+81,557
+517% +$1.48M 0.11% 227
2016
Q1 		$300K Sell
15,782
-33,551
-68% -$620K 0.02% 983
2015
Q4 		$1.02M Sell
49,333
-5,064
-9% -$116K 0.06% 460
2015
Q3 		$1.13M Sell
54,397
-70,490
-56% -$1.64M 0.06% 511
2015
Q2 		$2.96M Sell
124,887
-33,151
-21% -$757K 0.14% 166
2015
Q1 		$3.05M Buy
158,038
+115,376
+270% +$2.3M 0.15% 156
2014
Q4 		$828K Sell
42,662
-82,106
-66% -$1.37M 0.04% 591
2014
Q3 		$2.09M Buy
124,768
+86,633
+227% +$1.7M 0.13% 201
2014
Q2 		$826K Buy
+38,135
New +$783K 0.05% 539

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 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
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $86.1B AUM 29.11% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

Cubist Systematic Strategies's CIEN Position: Q2 2025 in Review

Cubist Systematic Strategies sold out of Ciena (CIEN) in Q2 2025, closing a stake of 305,767 shares — an estimated $21.9M sold.

Cubist Systematic Strategies first reported a position in CIEN in Q2 2014 and held it in 39 quarters. The position peaked at $34.4M in Q2 2019. 563 funds tracked by Wall St. Rank hold CIEN as of Q2 2025.

  • Cubist Systematic Strategies reported no remaining Ciena position as of Q2 2025 after selling out during the quarter.
  • Cubist Systematic Strategies sold 305,767 Ciena shares in Q2 2025, an estimated $21.9M.
  • Cubist Systematic Strategies first reported a position in Ciena in Q2 2014 and held it in 39 quarters.
  • Cubist Systematic Strategies's Ciena position peaked at $34.4M in Q2 2019.
  • 563 funds tracked by Wall St. Rank held Ciena as of Q2 2025.

Based on Cubist Systematic Strategies's 13F filing for Q2 2025, filed 14 Aug 2025.