Arrowstreet Capital’s Ciena CIEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$539M Sell
1,388,477
-848,358
-38% -$259M 0.29% 70
2025
Q4
$523M Buy
2,236,835
+1,092,980
+96% +$212M 0.31% 71
2025
Q3
$167M Buy
1,143,855
+1,093,557
+2,174% +$111M 0.11% 184
2025
Q2
$4.09M Sell
50,298
-151,069
-75% -$10.8M ﹤0.01% 1240
2025
Q1
$12.2M Sell
201,367
-328,188
-62% -$25.9M 0.01% 749
2024
Q4
$44.9M Buy
529,555
+518,003
+4,484% +$37.2M 0.04% 403
2024
Q3
$711K Sell
11,552
-99,862
-90% -$5.26M ﹤0.01% 1464
2024
Q2
$5.37M Buy
111,414
+91,620
+463% +$4.35M ﹤0.01% 813
2024
Q1
$979K Buy
19,794
+3,899
+25% +$206K ﹤0.01% 1320
2023
Q4
$715K Buy
+15,895
New +$701K ﹤0.01% 1162
2023
Q1
Sell
-10,599
Closed -$540K 1369
2022
Q4
$540K Buy
+10,599
New +$479K ﹤0.01% 1121
2022
Q1
Sell
-8,650
Closed -$666K 1230
2021
Q4
$666K Buy
+8,650
New +$534K ﹤0.01% 1235
2021
Q2
Sell
-30,149
Closed -$1.65M 1922
2021
Q1
$1.65M Sell
30,149
-1,088,005
-97% -$58.6M ﹤0.01% 1629
2020
Q4
$59.1M Buy
1,118,154
+562,812
+101% +$25M 0.08% 233
2020
Q3
$22M Buy
555,342
+74,623
+16% +$3.93M 0.03% 513
2020
Q2
$26M Buy
480,719
+449,619
+1,446% +$22.4M 0.05% 397
2020
Q1
$1.24M Sell
31,100
-2,062,773
-99% -$84.6M ﹤0.01% 1237
2019
Q4
$89.4M Buy
2,093,873
+630,727
+43% +$24M 0.21% 94
2019
Q3
$57.4M Sell
1,463,146
-234,536
-14% -$9.83M 0.13% 163
2019
Q2
$69.8M Sell
1,697,682
-77,576
-4% -$2.99M 0.16% 136
2019
Q1
$66.3M Buy
1,775,258
+829,489
+88% +$32.2M 0.16% 151
2018
Q4
$32.1M Buy
+945,769
New +$30M 0.08% 239
2016
Q1
Sell
-289,172
Closed -$5.98M 1360
2015
Q4
$5.98M Buy
289,172
+47,172
+19% +$1.08M 0.03% 494
2015
Q3
$5.01M Buy
242,000
+120,074
+98% +$2.79M 0.02% 526
2015
Q2
$2.89M Sell
121,926
-111,874
-48% -$2.56M 0.02% 552
2015
Q1
$4.51M Buy
+233,800
New +$4.66M 0.03% 433
2014
Q2
Sell
-899,258
Closed -$20.4M 1004
2014
Q1
$20.4M Buy
899,258
+289,035
+47% +$6.8M 0.12% 172
2013
Q4
$14.6M Buy
610,223
+322,950
+112% +$7.69M 0.08% 232
2013
Q3
$7.18M Buy
287,273
+252,110
+717% +$5.68M 0.05% 313
2013
Q2
$683K Buy
+35,163
New +$585K 0.01% 593

Other funds holding CIEN