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BlackRock Inc.
> CIEN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | CIENA CORP | CIEN | 16,650,671 | -246,129 | 707,487,011,000 | -179,932,924,000 | $42,490.00 |
| 03/31/2023 | CIENA CORP | CIEN | 16,896,800 | 69,441 | 887,419,935,000 | 886,739,605,000 | $52,520.00 |
| 09/30/2022 | CIENA CORP | CIEN | 16,827,359 | 933,250 | 680,330,000 | -46,030,000 | $40.43 |
| 06/30/2022 | CIENA CORP | CIEN | 15,894,109 | -12,816 | 726,360,000 | -238,076,000 | $45.70 |
| 03/31/2022 | CIENA CORP | CIEN | 15,906,925 | 392,550 | 964,436,000 | -229,705,000 | $60.63 |
| 12/31/2021 | CIENA CORP | CIEN | 15,514,375 | 241,846 | 1,194,141,000 | 409,897,000 | $76.97 |
| 09/30/2021 | CIENA CORP | CIEN | 15,272,529 | -22,923 | 784,244,000 | -85,915,000 | $51.35 |
| 06/30/2021 | CIENA CORP | CIEN | 15,295,452 | -581,886 | 870,159,000 | 1,351,000 | $56.89 |
| 03/31/2021 | CIENA CORP | CIEN | 15,877,338 | 1,085,289 | 868,808,000 | 87,047,000 | $54.72 |
| 12/31/2020 | CIENA CORP | CIEN | 14,792,049 | 1,206,685 | 781,761,000 | 242,556,000 | $52.85 |
| 09/30/2020 | CIENA CORP | CIEN | 13,585,364 | -712,829 | 539,205,000 | -235,185,000 | $39.69 |
| 06/30/2020 | CIENA CORP | CIEN | 14,298,193 | -402,653 | 774,390,000 | 189,149,000 | $54.16 |
| 03/31/2020 | CIENA CORP | CIEN | 14,700,846 | -997,196 | 585,241,000 | -84,909,000 | $39.81 |
| 12/31/2019 | CIENA CORP | CIEN | 15,698,042 | -77,060 | 670,150,000 | 51,294,000 | $42.69 |
| 09/30/2019 | CIENA CORP | CIEN | 15,775,102 | 258,661 | 618,856,000 | 618,217,811 | $39.23 |
| 06/30/2019 | CIENA CORP | CIEN | 15,516,441 | -2,565,548 | 638,189 | -674,541,811 | $0.04 |
| 03/31/2019 | CIENA CORP | CIEN | 18,081,989 | 182,486 | 675,180,000 | 68,206,000 | $37.34 |
| 12/31/2018 | CIENA CORP | CIEN | 17,899,503 | 1,561,445 | 606,974,000 | 96,574,000 | $33.91 |
| 09/30/2018 | CIENA CORP | CIEN | 16,338,058 | 115,012 | 510,400,000 | 80,328,000 | $31.24 |
| 06/30/2018 | CIENA CORP | CIEN | 16,223,046 | 678,436 | 430,072,000 | 27,467,000 | $26.51 |
| 03/31/2018 | CIENA CORP | CIEN | 15,544,610 | 396,999 | 402,605,000 | 85,568,000 | $25.90 |
| 12/31/2017 | CIENA CORP | CIEN | 15,147,611 | -322,800 | 317,037,000 | -22,847,000 | $20.93 |
| 09/30/2017 | CIENA CORP | CIEN | 15,470,411 | 143,935 | 339,884,000 | -43,586,000 | $21.97 |
| 06/30/2017 | CIENA CORP | CIEN | 15,326,476 | -428,724 | 383,470,000 | 11,491,000 | $25.02 |
| 03/31/2017 | CIENA CORP | CIEN | 15,755,200 | 15,622,062 | 371,979,000 | 368,730,000 | $23.61 |
| 12/31/2016 | CIENA CORP | CIEN | 133,138 | -29,731 | 3,249,000 | -301,000 | $24.40 |
| 09/30/2016 | CIENA CORP | CIEN | 162,869 | 162,869 | 3,550,000 | 3,550,000 | $21.80 |
| 06/30/2016 | CIENA CORP | CIEN | 122,620 | -12,583 | 2,299,000 | -272,000 | $18.75 |
| 03/31/2016 | CIENA CORP | CIEN | 135,203 | 90,396 | 2,571,000 | 1,644,000 | $19.02 |
| 12/31/2015 | CIENA CORP | CIEN | 44,807 | 2,102 | 927,000 | 41,000 | $20.69 |
| 09/30/2015 | CIENA CORP | CIEN | 42,705 | 3,493 | 886,000 | -43,000 | $20.75 |
| 06/30/2015 | CIENA CORP | CIEN | 39,212 | 3,518 | 929,000 | 240,000 | $23.69 |
| 03/31/2015 | CIENA CORP | CIEN | 35,694 | 32,584 | 689,000 | 628,000 | $19.30 |
| 12/31/2014 | CIENA CORP | CIEN | 3,110 | 0 | 61,000 | 9,000 | $19.61 |
| 09/30/2014 | CIENA CORP | CIEN | 3,110 | 0 | 52,000 | -15,000 | $16.72 |
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