FMR LLC

SEC CIK
0000315066

CIEN holding history

CIENA CORP

Every 13F filing in which FMR LLC reported holding CIEN, plus the quarters it sold out. Changes compare share counts with the previous calendar quarter.

CIEN overviewAll 13F holders of CIENFull portfolio

FMR LLC: CIEN holding by quarter
QuarterSharesValue% of portfolioChange in sharesAction
Q2 202619,113,538$9.38B0.41%−2,096,218−9.9%Reduced
Q1 202621,209,756$8.23B0.43%+81,546+0.4%Added
Q4 202521,128,210$4.94B0.25%−30,176−0.1%Reduced
Q3 202521,158,386$3.08B0.16%−74,244−0.3%Reduced
Q2 202521,232,630$1.73B0.10%−80,393−0.4%Reduced
Q1 202521,313,023$1.29B0.08%−221,723−1.0%Reduced
Q4 202421,534,746$1.83B0.11%−129,320−0.6%Reduced
Q3 202421,664,066$1.33B0.08%+108,407+0.5%Added
Q2 202421,555,659$1.04B0.07%+2,419,371+12.6%Added
Q1 202419,136,288$946.29M0.06%+7,818,633+69.1%Added
Q4 202311,317,655$509.41M0.04%+2,377,015+26.6%Added
Q3 20238,940,640$422.53M0.04%+371,041+4.3%Added
Q2 20238,569,599$364.12M0.03%−9,028,065−51.3%Reduced
Q1 202317,597,664$924.23M0.04%+8,687,030+97.5%Added
Q4 20228,910,634$454.26M0.05%+299,753+3.5%Added
Q3 20228,610,881$348.14M0.04%+6,781+0.1%Added
Q2 20228,604,100$393.21M0.04%−213,330−2.4%Reduced
Q1 20228,817,430$534.6M0.04%−70,377−0.8%Reduced
Q4 20218,887,807$684.1M0.05%+1,701,056+23.7%Added
Q3 20217,186,751$369.04M0.03%+825,922+13.0%Added
Q2 20216,360,829$361.87M0.03%+1,418,204+28.7%Added
Q1 20214,942,625$270.46M0.02%+4,942,625New