American Century Companies’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
$208M Buy
535,842
+283,091
+112% +$86.6M 0.11% 177
2025
Q4
$59.1M Sell
252,751
-332,996
-57% -$64.6M 0.03% 654
2025
Q3
$85.3M Buy
585,747
+106,991
+22% +$10.9M 0.04% 476
2025
Q2
$38.9M Buy
478,756
+429,780
+878% +$30.8M 0.02% 784
2025
Q1
$2.96M Buy
48,976
+4,265
+10% +$337K ﹤0.01% 1835
2024
Q4
$3.79M Buy
44,711
+669
+2% +$48K ﹤0.01% 1718
2024
Q3
$2.71M Buy
44,042
+851
+2% +$44.8K ﹤0.01% 1840
2024
Q2
$2.08M Sell
43,191
-277,374
-87% -$13.2M ﹤0.01% 1894
2024
Q1
$15.9M Sell
320,565
-127,256
-28% -$6.71M 0.01% 1018
2023
Q4
$20.2M Buy
447,821
+32,260
+8% +$1.42M 0.01% 874
2023
Q3
$19.6M Sell
415,561
-188,126
-31% -$8.29M 0.02% 809
2023
Q2
$25.7M Buy
603,687
+47,336
+9% +$2.16M 0.02% 673
2023
Q1
$29.2M Buy
556,351
+122,825
+28% +$6.13M 0.02% 602
2022
Q4
$22.1M Buy
433,526
+414,017
+2,122% +$18.7M 0.02% 686
2022
Q3
$789K Sell
19,509
-5
-0% -$240 ﹤0.01% 1785
2022
Q2
$892K Buy
19,514
+2,310
+13% +$120K ﹤0.01% 1706
2022
Q1
$1.04M Buy
17,204
+1,708
+11% +$112K ﹤0.01% 1663
2021
Q4
$1.19M Buy
15,496
+2,085
+16% +$129K ﹤0.01% 1582
2021
Q3
$689K Buy
13,411
+1,732
+15% +$96.2K ﹤0.01% 1756
2021
Q2
$664K Buy
11,679
+2,155
+23% +$119K ﹤0.01% 1728
2021
Q1
$521K Sell
9,524
-12,893
-58% -$694K ﹤0.01% 1708
2020
Q4
$1.19M Sell
22,417
-35,607
-61% -$1.58M ﹤0.01% 1215
2020
Q3
$2.3M Buy
58,024
+9,432
+19% +$496K ﹤0.01% 939
2020
Q2
$2.63M Sell
48,592
-2,135
-4% -$106K ﹤0.01% 852
2020
Q1
$2.02M Sell
50,727
-40,329
-44% -$1.65M ﹤0.01% 841
2019
Q4
$3.89M Sell
91,056
-186,294
-67% -$7.1M ﹤0.01% 841
2019
Q3
$10.9M Sell
277,350
-46,519
-14% -$1.95M 0.01% 598
2019
Q2
$13.3M Sell
323,869
-69,012
-18% -$2.66M 0.01% 577
2019
Q1
$14.7M Buy
392,881
+75,578
+24% +$2.94M 0.01% 540
2018
Q4
$10.8M Buy
317,303
+176,765
+126% +$5.6M 0.01% 593
2018
Q3
$4.39M Sell
140,538
-171,680
-55% -$4.81M ﹤0.01% 886
2018
Q2
$8.28M Sell
312,218
-160,905
-34% -$4.09M 0.01% 706
2018
Q1
$12.3M Buy
473,123
+15,578
+3% +$367K 0.01% 601
2017
Q4
$9.58M Sell
457,545
-18,243
-4% -$387K 0.01% 652
2017
Q3
$10.5M Sell
475,788
-159,685
-25% -$3.82M 0.01% 647
2017
Q2
$15.9M Sell
635,473
-64,649
-9% -$1.55M 0.02% 571
2017
Q1
$16.5M Sell
700,122
-52,126
-7% -$1.28M 0.02% 571
2016
Q4
$18.4M Sell
752,248
-296,614
-28% -$6.48M 0.02% 539
2016
Q3
$22.9M Sell
1,048,862
-269,969
-20% -$5.63M 0.03% 508
2016
Q2
$24.7M Buy
1,318,831
+558,245
+73% +$10.1M 0.03% 482
2016
Q1
$14.5M Buy
760,586
+228,123
+43% +$4.21M 0.02% 575
2015
Q4
$11M Buy
532,463
+382,168
+254% +$8.78M 0.01% 618
2015
Q3
$3.11M Buy
150,295
+132,738
+756% +$3.09M ﹤0.01% 956
2015
Q2
$416K Sell
17,557
-4,833
-22% -$110K ﹤0.01% 1247
2015
Q1
$434K Sell
22,390
-131,279
-85% -$2.62M ﹤0.01% 1265
2014
Q4
$2.98M Sell
153,669
-1,998,559
-93% -$33.4M ﹤0.01% 996
2014
Q3
$36M Sell
2,152,228
-1,629,285
-43% -$31.9M 0.04% 423
2014
Q2
$81.9M Buy
3,781,513
+653,692
+21% +$13.4M 0.09% 269
2014
Q1
$71.1M Sell
3,127,821
-837,023
-21% -$19.7M 0.08% 291
2013
Q4
$94.9M Sell
3,964,844
-1,273,688
-24% -$30.3M 0.11% 244
2013
Q3
$131M Buy
5,238,532
+5,049,628
+2,673% +$114M 0.16% 175
2013
Q2
$3.67M Buy
+188,904
New +$3.14M ﹤0.01% 935

Other funds holding CIEN