Millennium Management’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
$35.2M Sell
90,716
-331,900
-79% -$102M 0.03% 1098
2025
Q4
$98.8M Sell
422,616
-81,267
-16% -$15.8M 0.07% 436
2025
Q3
$73.4M Buy
503,883
+232,357
+86% +$23.7M 0.06% 613
2025
Q2
$22.1M Sell
271,526
-362,525
-57% -$26M 0.02% 1483
2025
Q1
$38.3M Buy
634,051
+402,879
+174% +$31.8M 0.04% 956
2024
Q4
$19.6M Sell
231,172
-181,586
-44% -$13M 0.02% 1538
2024
Q3
$25.4M Buy
412,758
+348,292
+540% +$18.4M 0.02% 1322
2024
Q2
$3.11M Buy
64,466
+55,763
+641% +$2.65M ﹤0.01% 3152
2024
Q1
$430K Sell
8,703
-233,557
-96% -$12.3M ﹤0.01% 4917
2023
Q4
$10.9M Sell
242,260
-77,161
-24% -$3.4M 0.01% 2096
2023
Q3
$15.1M Sell
319,421
-769,886
-71% -$33.9M 0.02% 1674
2023
Q2
$46.3M Buy
1,089,307
+276,750
+34% +$12.6M 0.05% 788
2023
Q1
$42.7M Sell
812,557
-363,880
-31% -$18.2M 0.05% 801
2022
Q4
$60M Buy
1,176,437
+1,150,948
+4,515% +$52M 0.07% 644
2022
Q3
$1.03M Sell
25,489
-21,751
-46% -$1.05M ﹤0.01% 4317
2022
Q2
$2.16M Sell
47,240
-823,794
-95% -$42.7M ﹤0.01% 3634
2022
Q1
$52.8M Buy
871,034
+595,310
+216% +$39M 0.06% 654
2021
Q4
$21.2M Sell
275,724
-65,147
-19% -$4.02M 0.02% 1393
2021
Q3
$17.5M Buy
340,871
+283,222
+491% +$15.7M 0.02% 1451
2021
Q2
$3.28M Buy
57,649
+40,999
+246% +$2.26M ﹤0.01% 3329
2021
Q1
$911K Buy
+16,650
New +$896K ﹤0.01% 4307
2020
Q4
Sell
-31,171
Closed -$1.24K 5230
2020
Q3
$1.24K Sell
31,171
-108,980
-78% -$5.73M ﹤0.01% 2982
2020
Q2
$7.59M Sell
140,151
-135,841
-49% -$6.75M 0.02% 1417
2020
Q1
$11M Sell
275,992
-840,639
-75% -$34.5M 0.04% 798
2019
Q4
$47.7M Buy
1,116,631
+592,962
+113% +$22.6M 0.08% 394
2019
Q3
$20.5M Sell
523,669
-667,851
-56% -$28M 0.04% 763
2019
Q2
$49M Buy
1,191,520
+1,112,580
+1,409% +$42.8M 0.09% 352
2019
Q1
$2.95M Sell
78,940
-111,902
-59% -$4.35M 0.01% 2137
2018
Q4
$6.47M Sell
190,842
-1,422,475
-88% -$45.1M 0.01% 1406
2018
Q3
$50.4M Buy
1,613,317
+900,511
+126% +$25.2M 0.07% 408
2018
Q2
$18.9M Sell
712,806
-59,282
-8% -$1.51M 0.03% 895
2018
Q1
$20M Sell
772,088
-1,705,869
-69% -$40.1M 0.03% 876
2017
Q4
$51.9M Buy
2,477,957
+2,011,805
+432% +$42.6M 0.07% 401
2017
Q3
$10.2M Sell
466,152
-25,075
-5% -$600K 0.02% 1226
2017
Q2
$12.3M Buy
+491,227
New +$11.8M 0.02% 938
2017
Q1
Sell
-1,637,399
Closed -$40M 3524
2016
Q4
$40M Buy
1,637,399
+1,099,382
+204% +$24M 0.09% 331
2016
Q3
$11.7M Buy
538,017
+127,832
+31% +$2.67M 0.02% 845
2016
Q2
$7.69M Buy
+410,185
New +$7.43M 0.02% 1001
2015
Q4
Sell
-1,891,750
Closed -$43.5M 3447
2015
Q3
$39.2M Buy
1,891,750
+1,005,755
+114% +$23.4M 0.08% 316
2015
Q2
$21M Sell
885,995
-1,825,715
-67% -$41.7M 0.04% 608
2015
Q1
$52.4M Buy
2,711,710
+2,093,433
+339% +$41.7M 0.11% 254
2014
Q4
$12M Buy
618,277
+340,005
+122% +$5.68M 0.03% 882
2014
Q3
$4.65M Sell
278,272
-220,814
-44% -$4.33M 0.01% 1337
2014
Q2
$10.8M Buy
499,086
+189,675
+61% +$3.9M 0.03% 784
2014
Q1
$7.04M Buy
309,411
+292,373
+1,716% +$6.88M 0.02% 1024
2013
Q4
$408K Sell
17,038
-921,428
-98% -$21.9M ﹤0.01% 2853
2013
Q3
$23.5M Buy
938,466
+501,357
+115% +$11.3M 0.11% 285
2013
Q2
$8.49M Buy
+437,109
New +$7.28M 0.04% 712

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