Dimensional Fund Advisors’s Ciena CIEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$185M Sell
2,269,224
-108,254
-5% -$8.81M 0.04% 554
2025
Q1
$144M Sell
2,377,478
-225,053
-9% -$13.6M 0.04% 677
2024
Q4
$221M Sell
2,602,531
-43,513
-2% -$3.69M 0.05% 427
2024
Q3
$163M Sell
2,646,044
-60,264
-2% -$3.71M 0.04% 640
2024
Q2
$130M Buy
2,706,308
+523,313
+24% +$25.2M 0.03% 732
2024
Q1
$108M Buy
2,182,995
+20,585
+1% +$1.02M 0.03% 882
2023
Q4
$97.3M Buy
2,162,410
+332,181
+18% +$15M 0.03% 924
2023
Q3
$86.5M Buy
1,830,229
+157,604
+9% +$7.45M 0.03% 934
2023
Q2
$71.1M Sell
1,672,625
-7,809
-0.5% -$332K 0.02% 1086
2023
Q1
$88.3M Sell
1,680,434
-5,517
-0.3% -$290K 0.03% 911
2022
Q4
$85.9K Buy
1,685,951
+21,446
+1% +$1.09K 0.03% 885
2022
Q3
$67.3M Sell
1,664,505
-8,256
-0.5% -$334K 0.03% 983
2022
Q2
$76.4M Sell
1,672,761
-80,991
-5% -$3.7M 0.03% 930
2022
Q1
$106M Buy
1,753,752
+41,815
+2% +$2.54M 0.03% 805
2021
Q4
$132M Buy
1,711,937
+2,414
+0.1% +$186K 0.04% 658
2021
Q3
$87.8M Sell
1,709,523
-1,342
-0.1% -$68.9K 0.03% 946
2021
Q2
$97.3M Sell
1,710,865
-18,128
-1% -$1.03M 0.03% 876
2021
Q1
$94.6M Buy
1,728,993
+28,000
+2% +$1.53M 0.03% 881
2020
Q4
$89.9M Buy
1,700,993
+50,665
+3% +$2.68M 0.03% 842
2020
Q3
$65.5M Buy
1,650,328
+6,032
+0.4% +$239K 0.03% 954
2020
Q2
$89M Sell
1,644,296
-16,818
-1% -$911K 0.04% 658
2020
Q1
$66.1M Buy
1,661,114
+50,455
+3% +$2.01M 0.03% 746
2019
Q4
$68.8M Sell
1,610,659
-6,483
-0.4% -$277K 0.03% 1108
2019
Q3
$63.4M Sell
1,617,142
-292,419
-15% -$11.5M 0.02% 1146
2019
Q2
$78.5M Sell
1,909,561
-1,099,882
-37% -$45.2M 0.03% 930
2019
Q1
$112M Sell
3,009,443
-182,176
-6% -$6.8M 0.04% 567
2018
Q4
$108M Sell
3,191,619
-735,000
-19% -$24.9M 0.05% 486
2018
Q3
$123M Sell
3,926,619
-703,432
-15% -$22M 0.05% 531
2018
Q2
$123M Buy
4,630,051
+224,828
+5% +$5.96M 0.05% 503
2018
Q1
$114M Buy
4,405,223
+1,026,844
+30% +$26.6M 0.05% 523
2017
Q4
$70.7M Buy
3,378,379
+551,855
+20% +$11.6M 0.03% 936
2017
Q3
$62.1M Buy
2,826,524
+5,349
+0.2% +$118K 0.03% 1052
2017
Q2
$70.6M Buy
2,821,175
+34,088
+1% +$853K 0.03% 831
2017
Q1
$65.8M Sell
2,787,087
-145,013
-5% -$3.42M 0.03% 860
2016
Q4
$71.6M Buy
2,932,100
+165,373
+6% +$4.04M 0.04% 738
2016
Q3
$60.3M Buy
2,766,727
+312,906
+13% +$6.82M 0.03% 847
2016
Q2
$46M Sell
2,453,821
-179,483
-7% -$3.37M 0.03% 1064
2016
Q1
$50.1M Buy
2,633,304
+225,123
+9% +$4.28M 0.03% 921
2015
Q4
$49.8M Buy
2,408,181
+189,415
+9% +$3.92M 0.03% 853
2015
Q3
$46M Buy
2,218,766
+199,573
+10% +$4.14M 0.03% 882
2015
Q2
$47.8M Buy
2,019,193
+349,723
+21% +$8.28M 0.03% 909
2015
Q1
$32.2M Buy
1,669,470
+912,319
+120% +$17.6M 0.02% 1306
2014
Q4
$14.7M Sell
757,151
-868,304
-53% -$16.9M 0.01% 2023
2014
Q3
$27.2M Buy
1,625,455
+37,054
+2% +$620K 0.02% 1274
2014
Q2
$34.4M Buy
1,588,401
+131,581
+9% +$2.85M 0.02% 1057
2014
Q1
$33.1M Buy
1,456,820
+270,223
+23% +$6.14M 0.02% 1011
2013
Q4
$28.4M Buy
1,186,597
+727,860
+159% +$17.4M 0.02% 1132
2013
Q3
$11.5M Buy
458,737
+457,137
+28,571% +$11.4M 0.01% 2001
2013
Q2
$31K Buy
+1,600
New +$31K ﹤0.01% 3467