Westfield Capital Management’s Ciena CIEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$2.58M Hold
31,750
0.01% 215
2025
Q1
$1.92M Hold
31,750
0.01% 224
2024
Q4
$2.69M Sell
31,750
-543,064
-94% -$46.1M 0.01% 214
2024
Q3
$35.4M Buy
+574,814
New +$35.4M 0.16% 162
2022
Q4
Sell
-939,130
Closed -$38M 231
2022
Q3
$38M Buy
939,130
+177,763
+23% +$7.19M 0.3% 128
2022
Q2
$34.8M Sell
761,367
-237,498
-24% -$10.9M 0.27% 132
2022
Q1
$60.6M Buy
998,865
+989,405
+10,459% +$60M 0.39% 91
2021
Q4
$728K Buy
+9,460
New +$728K ﹤0.01% 228
2019
Q2
Sell
-7,600
Closed -$284K 248
2019
Q1
$284K Buy
+7,600
New +$284K ﹤0.01% 241
2018
Q3
Sell
-751,661
Closed -$19.9M 257
2018
Q2
$19.9M Sell
751,661
-99,625
-12% -$2.64M 0.15% 184
2018
Q1
$22M Sell
851,286
-1,113,999
-57% -$28.9M 0.17% 171
2017
Q4
$41.1M Sell
1,965,285
-629,000
-24% -$13.2M 0.31% 119
2017
Q3
$57M Buy
2,594,285
+459,190
+22% +$10.1M 0.44% 86
2017
Q2
$53.4M Sell
2,135,095
-443,085
-17% -$11.1M 0.46% 80
2017
Q1
$60.9M Buy
2,578,180
+142,014
+6% +$3.35M 0.52% 64
2016
Q4
$59.5M Buy
2,436,166
+756,100
+45% +$18.5M 0.52% 70
2016
Q3
$36.6M Buy
+1,680,066
New +$36.6M 0.3% 113
2016
Q2
Sell
-1,674,520
Closed -$31.8M 265
2016
Q1
$31.8M Sell
1,674,520
-304,607
-15% -$5.79M 0.24% 133
2015
Q4
$40.9M Buy
+1,979,127
New +$40.9M 0.28% 111