William Blair & Company’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 | $7.57M | Buy |
19,495
+922
| +5% | +$282K | 0.02% | 408 |
|
|
2025
Q4 | $4.34M | Buy |
18,573
+63
| +0.3% | +$12.2K | 0.01% | 558 |
|
|
2025
Q3 | $2.7M | Sell |
18,510
-3,510
| -16% | -$357K | 0.01% | 656 |
|
|
2025
Q2 | $1.79M | Hold |
22,020
| – | – | 0.01% | 746 |
|
|
2025
Q1 | $1.33M | Sell |
22,020
-250
| -1% | -$19.8K | ﹤0.01% | 808 |
|
|
2024
Q4 | $1.89M | Sell |
22,270
-3
| -0% | -$215 | 0.01% | 728 |
|
|
2024
Q3 | $1.37M | Buy |
22,273
+3
| +0% | +$158 | ﹤0.01% | 812 |
|
|
2024
Q2 | $1.07M | Sell |
22,270
-506
| -2% | -$24K | ﹤0.01% | 850 |
|
|
2024
Q1 | $1.13M | Sell |
22,776
-1,037
| -4% | -$54.7K | ﹤0.01% | 831 |
|
|
2023
Q4 | $1.07M | Hold |
23,813
| – | – | ﹤0.01% | 835 |
|
|
2023
Q3 | $1.13M | Hold |
23,813
| – | – | ﹤0.01% | 797 |
|
|
2023
Q2 | $1.01M | Sell |
23,813
-4
| -0% | -$182 | ﹤0.01% | 834 |
|
|
2023
Q1 | $1.25M | Sell |
23,817
-208
| -0.9% | -$10.4K | 0.01% | 778 |
|
|
2022
Q4 | $1.22M | Sell |
24,025
-5
| -0% | -$226 | 0.01% | 767 |
|
|
2022
Q3 | $972K | Sell |
24,030
-2,803
| -10% | -$135K | ﹤0.01% | 820 |
|
|
2022
Q2 | $1.23M | Buy |
26,833
+632
| +2% | +$32.8K | 0.01% | 776 |
|
|
2022
Q1 | $1.59M | Sell |
26,201
-24
| -0.1% | -$1.57K | 0.01% | 760 |
|
|
2021
Q4 | $2.02M | Sell |
26,225
-233
| -0.9% | -$14.4K | 0.01% | 728 |
|
|
2021
Q3 | $1.36M | Sell |
26,458
-167
| -0.6% | -$9.28K | ﹤0.01% | 809 |
|
|
2021
Q2 | $1.51M | Sell |
26,625
-122
| -0.5% | -$6.72K | 0.01% | 789 |
|
|
2021
Q1 | $1.46M | Sell |
26,747
-143
| -0.5% | -$7.7K | 0.01% | 777 |
|
|
2020
Q4 | $1.42M | Sell |
26,890
-1,457
| -5% | -$64.7K | 0.01% | 744 |
|
|
2020
Q3 | $1.13M | Buy |
28,347
+1,232
| +5% | +$64.8K | ﹤0.01% | 722 |
|
|
2020
Q2 | $1.47M | Buy |
27,115
+16,290
| +150% | +$810K | 0.01% | 628 |
|
|
2020
Q1 | $431K | Hold |
10,825
| – | – | ﹤0.01% | 905 |
|
|
2019
Q4 | $462K | Buy |
10,825
+1,525
| +16% | +$58.1K | ﹤0.01% | 1014 |
|
|
2019
Q3 | $365K | Hold |
9,300
| – | – | ﹤0.01% | 1051 |
|
|
2019
Q2 | $383K | Hold |
9,300
| – | – | ﹤0.01% | 1067 |
|
|
2019
Q1 | $347K | Hold |
9,300
| – | – | ﹤0.01% | 1095 |
|
|
2018
Q4 | $315K | Sell |
9,300
-500
| -5% | -$15.8K | ﹤0.01% | 1072 |
|
|
2018
Q3 | $306K | Buy |
9,800
+464
| +5% | +$13K | ﹤0.01% | 1132 |
|
|
2018
Q2 | $247K | Hold |
9,336
| – | – | ﹤0.01% | 1191 |
|
|
2018
Q1 | $242K | Buy |
+9,336
| New | +$220K | ﹤0.01% | 1150 |
|
|
2017
Q4 | – | Sell |
-9,634
| Closed | -$212K | – | 1375 |
|
|
2017
Q3 | $212K | Buy |
9,634
+73
| +0.8% | +$1.75K | ﹤0.01% | 1228 |
|
|
2017
Q2 | $239K | Sell |
9,561
-21,875
| -70% | -$524K | ﹤0.01% | 1279 |
|
|
2017
Q1 | $824K | Buy |
31,436
+7,445
| +31% | +$183K | 0.01% | 760 |
|
|
2016
Q4 | $586K | Buy |
23,991
+14,691
| +158% | +$321K | 0.01% | 782 |
|
|
2016
Q3 | $203K | Sell |
9,300
-5,000
| -35% | -$104K | ﹤0.01% | 1163 |
|
|
2016
Q2 | $268K | Buy |
14,300
+740
| +5% | +$13.4K | ﹤0.01% | 1026 |
|
|
2016
Q1 | $258K | Sell |
13,560
-6,000
| -31% | -$111K | ﹤0.01% | 979 |
|
|
2015
Q4 | $404K | Sell |
19,560
-3,468
| -15% | -$79.7K | ﹤0.01% | 864 |
|
|
2015
Q3 | $477K | Sell |
23,028
-6,433
| -22% | -$150K | ﹤0.01% | 984 |
|
|
2015
Q2 | $697K | Buy |
29,461
+9,252
| +46% | +$211K | ﹤0.01% | 1670 |
|
|
2015
Q1 | $390K | Sell |
20,209
-12,800
| -39% | -$255K | ﹤0.01% | 1804 |
|
|
2014
Q4 | $640K | Buy |
33,009
+175
| +0.5% | +$2.92K | ﹤0.01% | 1621 |
|
|
2014
Q3 | $548K | Buy |
32,834
+1,277
| +4% | +$25K | ﹤0.01% | 1667 |
|
|
2014
Q2 | $683K | Sell |
31,557
-700
| -2% | -$14.4K | ﹤0.01% | 1571 |
|
|
2014
Q1 | $734K | Buy |
32,257
+3,600
| +13% | +$84.7K | ﹤0.01% | 1505 |
|
|
2013
Q4 | $685K | Buy |
+28,657
| New | +$682K | ﹤0.01% | 1488 |
|
Other funds holding CIEN
VCM
VPM
