Westfield Capital Management
CIEN icon

Westfield Capital Management’s Ciena CIEN Stock Holding History

Westfield Capital Management’s Portfolio CIEN Stock Details CIEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$10.3M Sell
20,950
-10,800
-34% -$5.51M 0.03% 217
2026
Q1 		$12.3M Hold
31,750
– – 0.05% 182
2025
Q4 		$7.43M Hold
31,750
– – 0.03% 193
2025
Q3 		$4.63M Hold
31,750
– – 0.02% 212
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% -$39M 0.01% 214
2024
Q3 		$35.4M Buy
+574,814
New +$30.3M 0.16% 162
2022
Q4 		– Sell
-939,130
Closed -$38M – 231
2022
Q3 		$38M Buy
939,130
+177,763
+23% +$8.54M 0.3% 128
2022
Q2 		$34.8M Sell
761,367
-237,498
-24% -$12.3M 0.27% 132
2022
Q1 		$60.6M Buy
998,865
+989,405
+10,459% +$64.8M 0.39% 91
2021
Q4 		$728K Buy
+9,460
New +$584K ﹤0.01% 228
2019
Q2 		– Sell
-7,600
Closed -$284K – 248
2019
Q1 		$284K Buy
+7,600
New +$295K ﹤0.01% 241
2018
Q3 		– Sell
-751,661
Closed -$19.9M – 257
2018
Q2 		$19.9M Sell
751,661
-99,625
-12% -$2.53M 0.15% 184
2018
Q1 		$22M Sell
851,286
-1,113,999
-57% -$26.2M 0.17% 171
2017
Q4 		$41.1M Sell
1,965,285
-629,000
-24% -$13.3M 0.31% 119
2017
Q3 		$57M Buy
2,594,285
+459,190
+22% +$11M 0.44% 86
2017
Q2 		$53.4M Sell
2,135,095
-443,085
-17% -$10.6M 0.46% 80
2017
Q1 		$60.9M Buy
2,578,180
+142,014
+6% +$3.48M 0.52% 64
2016
Q4 		$59.5M Buy
2,436,166
+756,100
+45% +$16.5M 0.52% 70
2016
Q3 		$36.6M Buy
+1,680,066
New +$35M 0.3% 113
2016
Q2 		– Sell
-1,674,520
Closed -$31.8M – 265
2016
Q1 		$31.8M Sell
1,674,520
-304,607
-15% -$5.63M 0.24% 133
2015
Q4 		$40.9M Buy
+1,979,127
New +$45.5M 0.28% 111

Other funds holding CIEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Westfield Capital Management's CIEN Position: Q2 2026 in Review

Westfield Capital Management reduced its Ciena (CIEN) stake by 34% in Q2 2026, selling an estimated $5.51M and leaving 20,950 shares worth $10.3M. The position accounts for 0.03% of the portfolio, ranked #217.

Westfield Capital Management first reported a position in CIEN in Q4 2015 and has held it in 23 quarters since. The position peaked at $60.9M in Q1 2017. 1,218 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Westfield Capital Management held 20,950 shares of Ciena worth $10.3M as of Q2 2026.
  • Westfield Capital Management sold 10,800 Ciena shares in Q2 2026, an estimated $5.51M.
  • Ciena made up 0.03% of Westfield Capital Management's portfolio in Q2 2026, its #217 holding.
  • Westfield Capital Management first reported a position in Ciena in Q4 2015 and has held it in 23 quarters since.
  • Westfield Capital Management's Ciena position peaked at $60.9M in Q1 2017.
  • 1,218 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Westfield Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.