News + Filings Holdings
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ESSEX INVESTMENT MANAGEMENT CO LLC
> CIEN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | CIENA CORP | CIEN | 0 | -25,020 | 0 | -1,314,050,000 | |
| 03/31/2023 | CIENA CORP | CIEN | 25,020 | 25,020 | 1,314,050,000 | 1,314,050,000 | $52,519.98 |
| 06/30/2022 | CIENA CORP | CIEN | 0 | -118,536 | 0 | -7,187,000 | |
| 03/31/2022 | CIENA CORP | CIEN | 118,536 | -2,181 | 7,187,000 | -2,105,000 | $60.63 |
| 12/31/2021 | CIENA CORP | CIEN | 120,717 | -848 | 9,292,000 | 3,050,000 | $76.97 |
| 09/30/2021 | CIENA CORP | CIEN | 121,565 | 17,070 | 6,242,000 | 297,000 | $51.35 |
| 06/30/2021 | CIENA CORP | CIEN | 104,495 | 48,846 | 5,945,000 | 3,004,000 | $56.89 |
| 12/31/2020 | CIENA CORP | CIEN | 55,649 | -153 | 2,941,000 | 726,000 | $52.85 |
| 09/30/2020 | CIENA CORP | CIEN | 55,802 | -35,442 | 2,215,000 | -2,727,000 | $39.69 |
| 06/30/2020 | CIENA CORP | CIEN | 91,244 | -1,953 | 4,942,000 | 1,232,000 | $54.16 |
| 03/31/2020 | CIENA CORP | CIEN | 93,197 | -62,917 | 3,710,000 | -2,955,000 | $39.81 |
| 12/31/2019 | CIENA CORP | CIEN | 156,114 | -67,435 | 6,665,000 | -2,105,000 | $42.69 |
| 09/30/2019 | CIENA CORP | CIEN | 223,549 | 3,207 | 8,770,000 | -293,000 | $39.23 |
| 06/30/2019 | CIENA CORP | CIEN | 220,342 | 13,988 | 9,063,000 | 1,358,000 | $41.13 |
| 03/31/2019 | CIENA CORP | CIEN | 206,354 | -19,214 | 7,705,000 | 56,000 | $37.34 |
| 12/31/2018 | CIENA CORP | CIEN | 225,568 | 194,504 | 7,649,000 | 6,679,000 | $33.91 |
| 09/30/2018 | CIENA CORP | CIEN | 31,064 | 20,509 | 970,000 | 690,000 | $31.23 |
| 06/30/2018 | CIENA CORP | CIEN | 10,555 | 10,555 | 280,000 | 280,000 | $26.53 |
| 03/31/2011 | CIENA CORP | CIEN | 0 | -3,422 | 0 | -72,033 | |
| 12/31/2010 | CIENA CORP | CIEN | 3,422 | -23,184 | 72,033 | -748,230 | $21.05 |
| 03/31/2008 | CIENA CORP | CIEN | 26,606 | 25,787 | 820,263 | 792,327 | $30.83 |
| 12/31/2007 | CIENA CORP | CIEN | 819 | 819 | 27,936 | 27,936 | $34.11 |
| 03/31/2007 | CIENA CORP | CIEN | 0 | -13,571 | 0 | -369,810 | |
| 09/30/2006 | CIENA CORP | CIEN | 13,571 | 13,571 | 369,810 | 369,810 | $27.25 |
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